Add example resources

examples/audio/audio_module_playing.js

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Module playing (streaming)
+*
+*   Example originally created with raylib 1.5, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2016-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+const MAX_CIRCLES = 64
+
+// Initialization
+//--------------------------------------------------------------------------------------
+const screenWidth = 800;
+const screenHeight = 450;
+
+setConfigFlags(FLAG_MSAA_4X_HINT);  // NOTE: Try to enable MSAA 4X
+
+initWindow(screenWidth, screenHeight, "raylib [audio] example - module playing (streaming)");
+
+initAudioDevice();                  // Initialize audio device
+
+const colors = [ORANGE, RED, GOLD, LIME, BLUE, VIOLET, BROWN, LIGHTGRAY, PINK,
+                        YELLOW, GREEN, SKYBLUE, PURPLE, BEIGE];
+
+// Creates some circles for visual effect
+const circles = new Array(MAX_CIRCLES).fill({});
+
+for (let i = MAX_CIRCLES - 1; i >= 0; i--)
+{
+    circles[i].alpha = 0.0;
+    circles[i].radius = getRandomValue(10, 40);
+    circles[i].position = new Vector2(0,0)
+    circles[i].position.x = getRandomValue(circles[i].radius, (screenWidth - circles[i].radius));
+    circles[i].position.y = getRandomValue(circles[i].radius, (screenHeight - circles[i].radius));
+    circles[i].speed = getRandomValue(1, 100)/2000.0;
+    circles[i].color = colors[getRandomValue(0, 13)];
+}
+
+const music = loadMusicStream("resources/mini1111.xm");
+music.looping = false;
+const pitch = 1.0;
+
+playMusicStream(music);
+
+let timePlayed = 0.0;
+let pause = false;
+
+setTargetFPS(60);               // Set our game to run at 60 frames-per-second
+//--------------------------------------------------------------------------------------
+
+// Main game loop
+while (!windowShouldClose())    // Detect window close button or ESC key
+{
+    // Update
+    //----------------------------------------------------------------------------------
+    updateMusicStream(music);      // Update music buffer with new stream data
+
+    // Restart music playing (stop and play)
+    if (isKeyPressed(KEY_SPACE))
+    {
+        stopMusicStream(music);
+        playMusicStream(music);
+    }
+
+    // Pause/Resume music playing
+    if (isKeyPressed(KEY_P))
+    {
+        pause = !pause;
+
+        if (pause) pauseMusicStream(music);
+        else resumeMusicStream(music);
+    }
+
+    if (isKeyDown(KEY_DOWN)) pitch -= 0.01;
+    else if (isKeyDown(KEY_UP)) pitch += 0.01;
+
+    setMusicPitch(music, pitch);
+
+    // Get timePlayed scaled to bar dimensions
+    timePlayed = getMusicTimePlayed(music) / getMusicTimeLength(music) * (screenWidth - 40);
+
+    // Color circles animation
+    for (let i = MAX_CIRCLES - 1; (i >= 0) && !pause; i--)
+    {
+        circles[i].alpha += circles[i].speed;
+        circles[i].radius += circles[i].speed*10.0;
+
+        if (circles[i].alpha > 1.0) circles[i].speed *= -1;
+
+        if (circles[i].alpha <= 0.0)
+        {
+            circles[i].alpha = 0.0;
+            circles[i].radius = getRandomValue(10, 40);
+            circles[i].position.x = getRandomValue(circles[i].radius, (screenWidth - circles[i].radius));
+            circles[i].position.y = getRandomValue(circles[i].radius, (screenHeight - circles[i].radius));
+            circles[i].color = colors[getRandomValue(0, 13)];
+            circles[i].speed = getRandomValue(1, 100) / 2000.0;
+        }
+    }
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    beginDrawing();
+
+        clearBackground(RAYWHITE);
+
+        for (let i = MAX_CIRCLES - 1; i >= 0; i--)
+        {
+            drawCircleV(circles[i].position, circles[i].radius, fade(circles[i].color, circles[i].alpha));
+        }
+
+        // Draw time bar
+        drawRectangle(20, screenHeight - 20 - 12, screenWidth - 40, 12, LIGHTGRAY);
+        drawRectangle(20, screenHeight - 20 - 12, timePlayed, 12, MAROON);
+        drawRectangleLines(20, screenHeight - 20 - 12, screenWidth - 40, 12, GRAY);
+
+    endDrawing();
+    //----------------------------------------------------------------------------------
+}
+
+// De-Initialization
+//--------------------------------------------------------------------------------------
+unloadMusicStream(music);          // Unload music stream buffers from RAM
+
+closeAudioDevice();     // Close audio device (music streaming is automatically stopped)
+
+closeWindow();          // Close window and OpenGL context
+//--------------------------------------------------------------------------------------

examples/audio/audio_music_stream.js

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Music playing (streaming)
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+// Initialization
+//--------------------------------------------------------------------------------------
+const screenWidth = 800;
+const screenHeight = 450;
+
+initWindow(screenWidth, screenHeight, "raylib [audio] example - music playing (streaming)");
+
+initAudioDevice();              // Initialize audio device
+
+const music = loadMusicStream("resources/country.mp3");
+
+playMusicStream(music);
+
+let timePlayed = 0.0;        // Time played normalized [0.0f..1.0f]
+let pause = false;             // Music playing paused
+
+setTargetFPS(30);               // Set our game to run at 30 frames-per-second
+//--------------------------------------------------------------------------------------
+
+// Main game loop
+while (!windowShouldClose())    // Detect window close button or ESC key
+{
+    // Update
+    //----------------------------------------------------------------------------------
+    updateMusicStream(music);   // Update music buffer with new stream data
+    
+    // Restart music playing (stop and play)
+    if (isKeyPressed(KEY_SPACE))
+    {
+        stopMusicStream(music);
+        playMusicStream(music);
+    }
+
+    // Pause/Resume music playing
+    if (isKeyPressed(KEY_P))
+    {
+        pause = !pause;
+
+        if (pause) pauseMusicStream(music);
+        else resumeMusicStream(music);
+    }
+
+    // Get normalized time played for current music stream
+    timePlayed = getMusicTimePlayed(music)/getMusicTimeLength(music);
+
+    if (timePlayed > 1.0) timePlayed = 1.0;   // Make sure time played is no longer than music
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    beginDrawing();
+
+        clearBackground(RAYWHITE);
+
+        drawText("MUSIC SHOULD BE PLAYING!", 255, 150, 20, LIGHTGRAY);
+
+        drawRectangle(200, 200, 400, 12, LIGHTGRAY);
+        drawRectangle(200, 200, (timePlayed*400.0), 12, MAROON);
+        drawRectangleLines(200, 200, 400, 12, GRAY);
+
+        drawText("PRESS SPACE TO RESTART MUSIC", 215, 250, 20, LIGHTGRAY);
+        drawText("PRESS P TO PAUSE/RESUME MUSIC", 208, 280, 20, LIGHTGRAY);
+
+    endDrawing();
+    //----------------------------------------------------------------------------------
+}
+
+// De-Initialization
+//--------------------------------------------------------------------------------------
+unloadMusicStream(music);   // Unload music stream buffers from RAM
+
+closeAudioDevice();         // Close audio device (music streaming is automatically stopped)
+
+closeWindow();              // Close window and OpenGL context
+//--------------------------------------------------------------------------------------

examples/audio/audio_sound_loading.js

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Sound loading and playing
+*
+*   Example originally created with raylib 1.1, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2014-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+// Initialization
+//--------------------------------------------------------------------------------------
+let screenWidth = 800;
+let screenHeight = 450;
+
+initWindow(screenWidth, screenHeight, "raylib [audio] example - sound loading and playing");
+
+initAudioDevice();      // Initialize audio device
+
+const fxWav = loadSound("resources/sound.wav");         // Load WAV audio file
+const fxOgg = loadSound("resources/target.ogg");        // Load OGG audio file
+
+setTargetFPS(60);               // Set our game to run at 60 frames-per-second
+//--------------------------------------------------------------------------------------
+
+// Main game loop
+while (!windowShouldClose())    // Detect window close button or ESC key
+{
+    // Update
+    //----------------------------------------------------------------------------------
+    if (isKeyPressed(KEY_SPACE)) playSound(fxWav);      // Play WAV sound
+    if (isKeyPressed(KEY_ENTER)) playSound(fxOgg);      // Play OGG sound
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    beginDrawing();
+
+        clearBackground(RAYWHITE);
+
+        drawText("Press SPACE to PLAY the WAV sound!", 200, 180, 20, LIGHTGRAY);
+        drawText("Press ENTER to PLAY the OGG sound!", 200, 220, 20, LIGHTGRAY);
+
+    endDrawing();
+    //----------------------------------------------------------------------------------
+}
+
+// De-Initialization
+//--------------------------------------------------------------------------------------
+unloadSound(fxWav);     // Unload sound data
+unloadSound(fxOgg);     // Unload sound data
+
+closeAudioDevice();     // Close audio device
+
+closeWindow();          // Close window and OpenGL context
+//--------------------------------------------------------------------------------------

examples/audio/resources/LICENSE.md

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+| resource             | author      | licence | notes |
+| :------------------- | :---------: | :------ | :---- |
+| country.mp3          | [@emegeme](https://github.com/emegeme) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Originally created for "DART that TARGET" game |
+| target.ogg           | [@emegeme](https://github.com/emegeme) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Originally created for "DART that TARGET" game |
+| target.flac          | [@emegeme](https://github.com/emegeme) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Originally created for "DART that TARGET" game |
+| coin.wav             | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Made with [rFXGen](https://raylibtech.itch.io/rfxgen) |
+| sound.wav            | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Made with [rFXGen](https://raylibtech.itch.io/rfxgen) |
+| spring.wav           | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Made with [rFXGen](https://raylibtech.itch.io/rfxgen) |
+| weird.wav            | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | Made with [rFXGen](https://raylibtech.itch.io/rfxgen) |
+| mini1111.xm          | [tPORt](https://modarchive.org/index.php?request=view_by_moduleid&query=51891) | [Mod Archive Distribution license](https://modarchive.org/index.php?terms-upload) | - |

examples/core/core_2d_camera_platformer.js

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+/*******************************************************************************************
+*
+*   raylib [core] example - 2d camera platformer
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.0
+*
+*   Example contributed by arvyy (@arvyy) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 arvyy (@arvyy)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "raymath.h"
+
+#define G 400
+#define PLAYER_JUMP_SPD 350.0f
+#define PLAYER_HOR_SPD 200.0f
+
+typedef struct Player {
+    Vector2 position;
+    float speed;
+    bool canJump;
+} Player;
+
+typedef struct EnvItem {
+    Rectangle rect;
+    int blocking;
+    Color color;
+} EnvItem;
+
+//----------------------------------------------------------------------------------
+// Module functions declaration
+//----------------------------------------------------------------------------------
+void UpdatePlayer(Player *player, EnvItem *envItems, int envItemsLength, float delta);
+void UpdateCameraCenter(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height);
+void UpdateCameraCenterInsideMap(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height);
+void UpdateCameraCenterSmoothFollow(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height);
+void UpdateCameraEvenOutOnLanding(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height);
+void UpdateCameraPlayerBoundsPush(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height);
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - 2d camera");
+
+    Player player = { 0 };
+    player.position = (Vector2){ 400, 280 };
+    player.speed = 0;
+    player.canJump = false;
+    EnvItem envItems[] = {
+        {{ 0, 0, 1000, 400 }, 0, LIGHTGRAY },
+        {{ 0, 400, 1000, 200 }, 1, GRAY },
+        {{ 300, 200, 400, 10 }, 1, GRAY },
+        {{ 250, 300, 100, 10 }, 1, GRAY },
+        {{ 650, 300, 100, 10 }, 1, GRAY }
+    };
+
+    int envItemsLength = sizeof(envItems)/sizeof(envItems[0]);
+
+    Camera2D camera = { 0 };
+    camera.target = player.position;
+    camera.offset = (Vector2){ screenWidth/2.0f, screenHeight/2.0f };
+    camera.rotation = 0.0f;
+    camera.zoom = 1.0f;
+
+    // Store pointers to the multiple update camera functions
+    void (*cameraUpdaters[])(Camera2D*, Player*, EnvItem*, int, float, int, int) = {
+        UpdateCameraCenter,
+        UpdateCameraCenterInsideMap,
+        UpdateCameraCenterSmoothFollow,
+        UpdateCameraEvenOutOnLanding,
+        UpdateCameraPlayerBoundsPush
+    };
+
+    int cameraOption = 0;
+    int cameraUpdatersLength = sizeof(cameraUpdaters)/sizeof(cameraUpdaters[0]);
+
+    char *cameraDescriptions[] = {
+        "Follow player center",
+        "Follow player center, but clamp to map edges",
+        "Follow player center; smoothed",
+        "Follow player center horizontally; updateplayer center vertically after landing",
+        "Player push camera on getting too close to screen edge"
+    };
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        float deltaTime = GetFrameTime();
+
+        UpdatePlayer(&player, envItems, envItemsLength, deltaTime);
+
+        camera.zoom += ((float)GetMouseWheelMove()*0.05f);
+
+        if (camera.zoom > 3.0f) camera.zoom = 3.0f;
+        else if (camera.zoom < 0.25f) camera.zoom = 0.25f;
+
+        if (IsKeyPressed(KEY_R))
+        {
+            camera.zoom = 1.0f;
+            player.position = (Vector2){ 400, 280 };
+        }
+
+        if (IsKeyPressed(KEY_C)) cameraOption = (cameraOption + 1)%cameraUpdatersLength;
+
+        // Call update camera function by its pointer
+        cameraUpdaters[cameraOption](&camera, &player, envItems, envItemsLength, deltaTime, screenWidth, screenHeight);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(LIGHTGRAY);
+
+            BeginMode2D(camera);
+
+                for (int i = 0; i < envItemsLength; i++) DrawRectangleRec(envItems[i].rect, envItems[i].color);
+
+                Rectangle playerRect = { player.position.x - 20, player.position.y - 40, 40, 40 };
+                DrawRectangleRec(playerRect, RED);
+
+            EndMode2D();
+
+            DrawText("Controls:", 20, 20, 10, BLACK);
+            DrawText("- Right/Left to move", 40, 40, 10, DARKGRAY);
+            DrawText("- Space to jump", 40, 60, 10, DARKGRAY);
+            DrawText("- Mouse Wheel to Zoom in-out, R to reset zoom", 40, 80, 10, DARKGRAY);
+            DrawText("- C to change camera mode", 40, 100, 10, DARKGRAY);
+            DrawText("Current camera mode:", 20, 120, 10, BLACK);
+            DrawText(cameraDescriptions[cameraOption], 40, 140, 10, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+void UpdatePlayer(Player *player, EnvItem *envItems, int envItemsLength, float delta)
+{
+    if (IsKeyDown(KEY_LEFT)) player->position.x -= PLAYER_HOR_SPD*delta;
+    if (IsKeyDown(KEY_RIGHT)) player->position.x += PLAYER_HOR_SPD*delta;
+    if (IsKeyDown(KEY_SPACE) && player->canJump)
+    {
+        player->speed = -PLAYER_JUMP_SPD;
+        player->canJump = false;
+    }
+
+    int hitObstacle = 0;
+    for (int i = 0; i < envItemsLength; i++)
+    {
+        EnvItem *ei = envItems + i;
+        Vector2 *p = &(player->position);
+        if (ei->blocking &&
+            ei->rect.x <= p->x &&
+            ei->rect.x + ei->rect.width >= p->x &&
+            ei->rect.y >= p->y &&
+            ei->rect.y <= p->y + player->speed*delta)
+        {
+            hitObstacle = 1;
+            player->speed = 0.0f;
+            p->y = ei->rect.y;
+        }
+    }
+
+    if (!hitObstacle)
+    {
+        player->position.y += player->speed*delta;
+        player->speed += G*delta;
+        player->canJump = false;
+    }
+    else player->canJump = true;
+}
+
+void UpdateCameraCenter(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height)
+{
+    camera->offset = (Vector2){ width/2.0f, height/2.0f };
+    camera->target = player->position;
+}
+
+void UpdateCameraCenterInsideMap(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height)
+{
+    camera->target = player->position;
+    camera->offset = (Vector2){ width/2.0f, height/2.0f };
+    float minX = 1000, minY = 1000, maxX = -1000, maxY = -1000;
+
+    for (int i = 0; i < envItemsLength; i++)
+    {
+        EnvItem *ei = envItems + i;
+        minX = fminf(ei->rect.x, minX);
+        maxX = fmaxf(ei->rect.x + ei->rect.width, maxX);
+        minY = fminf(ei->rect.y, minY);
+        maxY = fmaxf(ei->rect.y + ei->rect.height, maxY);
+    }
+
+    Vector2 max = GetWorldToScreen2D((Vector2){ maxX, maxY }, *camera);
+    Vector2 min = GetWorldToScreen2D((Vector2){ minX, minY }, *camera);
+
+    if (max.x < width) camera->offset.x = width - (max.x - width/2);
+    if (max.y < height) camera->offset.y = height - (max.y - height/2);
+    if (min.x > 0) camera->offset.x = width/2 - min.x;
+    if (min.y > 0) camera->offset.y = height/2 - min.y;
+}
+
+void UpdateCameraCenterSmoothFollow(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height)
+{
+    static float minSpeed = 30;
+    static float minEffectLength = 10;
+    static float fractionSpeed = 0.8f;
+
+    camera->offset = (Vector2){ width/2.0f, height/2.0f };
+    Vector2 diff = Vector2Subtract(player->position, camera->target);
+    float length = Vector2Length(diff);
+
+    if (length > minEffectLength)
+    {
+        float speed = fmaxf(fractionSpeed*length, minSpeed);
+        camera->target = Vector2Add(camera->target, Vector2Scale(diff, speed*delta/length));
+    }
+}
+
+void UpdateCameraEvenOutOnLanding(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height)
+{
+    static float evenOutSpeed = 700;
+    static int eveningOut = false;
+    static float evenOutTarget;
+
+    camera->offset = (Vector2){ width/2.0f, height/2.0f };
+    camera->target.x = player->position.x;
+
+    if (eveningOut)
+    {
+        if (evenOutTarget > camera->target.y)
+        {
+            camera->target.y += evenOutSpeed*delta;
+
+            if (camera->target.y > evenOutTarget)
+            {
+                camera->target.y = evenOutTarget;
+                eveningOut = 0;
+            }
+        }
+        else
+        {
+            camera->target.y -= evenOutSpeed*delta;
+
+            if (camera->target.y < evenOutTarget)
+            {
+                camera->target.y = evenOutTarget;
+                eveningOut = 0;
+            }
+        }
+    }
+    else
+    {
+        if (player->canJump && (player->speed == 0) && (player->position.y != camera->target.y))
+        {
+            eveningOut = 1;
+            evenOutTarget = player->position.y;
+        }
+    }
+}
+
+void UpdateCameraPlayerBoundsPush(Camera2D *camera, Player *player, EnvItem *envItems, int envItemsLength, float delta, int width, int height)
+{
+    static Vector2 bbox = { 0.2f, 0.2f };
+
+    Vector2 bboxWorldMin = GetScreenToWorld2D((Vector2){ (1 - bbox.x)*0.5f*width, (1 - bbox.y)*0.5f*height }, *camera);
+    Vector2 bboxWorldMax = GetScreenToWorld2D((Vector2){ (1 + bbox.x)*0.5f*width, (1 + bbox.y)*0.5f*height }, *camera);
+    camera->offset = (Vector2){ (1 - bbox.x)*0.5f * width, (1 - bbox.y)*0.5f*height };
+
+    if (player->position.x < bboxWorldMin.x) camera->target.x = player->position.x;
+    if (player->position.y < bboxWorldMin.y) camera->target.y = player->position.y;
+    if (player->position.x > bboxWorldMax.x) camera->target.x = bboxWorldMin.x + (player->position.x - bboxWorldMax.x);
+    if (player->position.y > bboxWorldMax.y) camera->target.y = bboxWorldMin.y + (player->position.y - bboxWorldMax.y);
+}

examples/core/core_3d_camera_first_person.c

@@ -0,0 +1,206 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - 3d camera first person
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 1.3
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "rcamera.h"
+
+#define MAX_COLUMNS 20
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera first person");
+
+    // Define the camera to look into our 3d world (position, target, up vector)
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 2.0f, 4.0f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 60.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    int cameraMode = CAMERA_FIRST_PERSON;
+
+    // Generates some random columns
+    float heights[MAX_COLUMNS] = { 0 };
+    Vector3 positions[MAX_COLUMNS] = { 0 };
+    Color colors[MAX_COLUMNS] = { 0 };
+
+    for (int i = 0; i < MAX_COLUMNS; i++)
+    {
+        heights[i] = (float)GetRandomValue(1, 12);
+        positions[i] = (Vector3){ (float)GetRandomValue(-15, 15), heights[i]/2.0f, (float)GetRandomValue(-15, 15) };
+        colors[i] = (Color){ GetRandomValue(20, 255), GetRandomValue(10, 55), 30, 255 };
+    }
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Switch camera mode
+        if (IsKeyPressed(KEY_ONE))
+        {
+            cameraMode = CAMERA_FREE;
+            camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Reset roll
+        }
+
+        if (IsKeyPressed(KEY_TWO))
+        {
+            cameraMode = CAMERA_FIRST_PERSON;
+            camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Reset roll
+        }
+
+        if (IsKeyPressed(KEY_THREE))
+        {
+            cameraMode = CAMERA_THIRD_PERSON;
+            camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Reset roll
+        }
+
+        if (IsKeyPressed(KEY_FOUR))
+        {
+            cameraMode = CAMERA_ORBITAL;
+            camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Reset roll
+        }
+
+        // Switch camera projection
+        if (IsKeyPressed(KEY_P))
+        {
+            if (camera.projection == CAMERA_PERSPECTIVE)
+            {
+                // Create isometric view
+                cameraMode = CAMERA_THIRD_PERSON;
+                // Note: The target distance is related to the render distance in the orthographic projection
+                camera.position = (Vector3){ 0.0f, 2.0f, -100.0f };
+                camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };
+                camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+                camera.projection = CAMERA_ORTHOGRAPHIC;
+                camera.fovy = 20.0f; // near plane width in CAMERA_ORTHOGRAPHIC
+                CameraYaw(&camera, -135 * DEG2RAD, true);
+                CameraPitch(&camera, -45 * DEG2RAD, true, true, false);
+            }
+            else if (camera.projection == CAMERA_ORTHOGRAPHIC)
+            {
+                // Reset to default view
+                cameraMode = CAMERA_THIRD_PERSON;
+                camera.position = (Vector3){ 0.0f, 2.0f, 10.0f };
+                camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };
+                camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+                camera.projection = CAMERA_PERSPECTIVE;
+                camera.fovy = 60.0f;
+            }
+        }
+
+        // Update camera computes movement internally depending on the camera mode
+        // Some default standard keyboard/mouse inputs are hardcoded to simplify use
+        // For advance camera controls, it's reecommended to compute camera movement manually
+        UpdateCamera(&camera, cameraMode);                  // Update camera
+
+/*
+        // Camera PRO usage example (EXPERIMENTAL)
+        // This new camera function allows custom movement/rotation values to be directly provided
+        // as input parameters, with this approach, rcamera module is internally independent of raylib inputs
+        UpdateCameraPro(&camera,
+            (Vector3){
+                (IsKeyDown(KEY_W) || IsKeyDown(KEY_UP))*0.1f -      // Move forward-backward
+                (IsKeyDown(KEY_S) || IsKeyDown(KEY_DOWN))*0.1f,    
+                (IsKeyDown(KEY_D) || IsKeyDown(KEY_RIGHT))*0.1f -   // Move right-left
+                (IsKeyDown(KEY_A) || IsKeyDown(KEY_LEFT))*0.1f,
+                0.0f                                                // Move up-down
+            },
+            (Vector3){
+                GetMouseDelta().x*0.05f,                            // Rotation: yaw
+                GetMouseDelta().y*0.05f,                            // Rotation: pitch
+                0.0f                                                // Rotation: roll
+            },
+            GetMouseWheelMove()*2.0f);                              // Move to target (zoom)
+*/
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawPlane((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector2){ 32.0f, 32.0f }, LIGHTGRAY); // Draw ground
+                DrawCube((Vector3){ -16.0f, 2.5f, 0.0f }, 1.0f, 5.0f, 32.0f, BLUE);     // Draw a blue wall
+                DrawCube((Vector3){ 16.0f, 2.5f, 0.0f }, 1.0f, 5.0f, 32.0f, LIME);      // Draw a green wall
+                DrawCube((Vector3){ 0.0f, 2.5f, 16.0f }, 32.0f, 5.0f, 1.0f, GOLD);      // Draw a yellow wall
+
+                // Draw some cubes around
+                for (int i = 0; i < MAX_COLUMNS; i++)
+                {
+                    DrawCube(positions[i], 2.0f, heights[i], 2.0f, colors[i]);
+                    DrawCubeWires(positions[i], 2.0f, heights[i], 2.0f, MAROON);
+                }
+
+                // Draw player cube
+                if (cameraMode == CAMERA_THIRD_PERSON)
+                {
+                    DrawCube(camera.target, 0.5f, 0.5f, 0.5f, PURPLE);
+                    DrawCubeWires(camera.target, 0.5f, 0.5f, 0.5f, DARKPURPLE);
+                }
+
+            EndMode3D();
+
+            // Draw info boxes
+            DrawRectangle(5, 5, 330, 100, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(5, 5, 330, 100, BLUE);
+
+            DrawText("Camera controls:", 15, 15, 10, BLACK);
+            DrawText("- Move keys: W, A, S, D, Space, Left-Ctrl", 15, 30, 10, BLACK);
+            DrawText("- Look around: arrow keys or mouse", 15, 45, 10, BLACK);
+            DrawText("- Camera mode keys: 1, 2, 3, 4", 15, 60, 10, BLACK);
+            DrawText("- Zoom keys: num-plus, num-minus or mouse scroll", 15, 75, 10, BLACK);
+            DrawText("- Camera projection key: P", 15, 90, 10, BLACK);
+
+            DrawRectangle(600, 5, 195, 100, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(600, 5, 195, 100, BLUE);
+
+            DrawText("Camera status:", 610, 15, 10, BLACK);
+            DrawText(TextFormat("- Mode: %s", (cameraMode == CAMERA_FREE) ? "FREE" :
+                                              (cameraMode == CAMERA_FIRST_PERSON) ? "FIRST_PERSON" :
+                                              (cameraMode == CAMERA_THIRD_PERSON) ? "THIRD_PERSON" :
+                                              (cameraMode == CAMERA_ORBITAL) ? "ORBITAL" : "CUSTOM"), 610, 30, 10, BLACK);
+            DrawText(TextFormat("- Projection: %s", (camera.projection == CAMERA_PERSPECTIVE) ? "PERSPECTIVE" :
+                                                    (camera.projection == CAMERA_ORTHOGRAPHIC) ? "ORTHOGRAPHIC" : "CUSTOM"), 610, 45, 10, BLACK);
+            DrawText(TextFormat("- Position: (%06.3f, %06.3f, %06.3f)", camera.position.x, camera.position.y, camera.position.z), 610, 60, 10, BLACK);
+            DrawText(TextFormat("- Target: (%06.3f, %06.3f, %06.3f)", camera.target.x, camera.target.y, camera.target.z), 610, 75, 10, BLACK);
+            DrawText(TextFormat("- Up: (%06.3f, %06.3f, %06.3f)", camera.up.x, camera.up.y, camera.up.z), 610, 90, 10, BLACK);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_3d_camera_free.c

@@ -0,0 +1,88 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Initialize 3d camera free
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 1.3
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera free");
+
+    // Define the camera to look into our 3d world
+    Camera3D camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FREE);
+
+        if (IsKeyDown('Z')) camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
+                DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
+
+                DrawGrid(10, 1.0f);
+
+            EndMode3D();
+
+            DrawRectangle( 10, 10, 320, 133, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines( 10, 10, 320, 133, BLUE);
+
+            DrawText("Free camera default controls:", 20, 20, 10, BLACK);
+            DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, DARKGRAY);
+            DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, DARKGRAY);
+            DrawText("- Alt + Mouse Wheel Pressed to Rotate", 40, 80, 10, DARKGRAY);
+            DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, DARKGRAY);
+            DrawText("- Z to zoom to (0, 0, 0)", 40, 120, 10, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_3d_picking.c

@@ -0,0 +1,118 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Picking in 3d mode
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d picking");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Vector3 cubePosition = { 0.0f, 1.0f, 0.0f };
+    Vector3 cubeSize = { 2.0f, 2.0f, 2.0f };
+
+    Ray ray = { 0 };                    // Picking line ray
+    RayCollision collision = { 0 };     // Ray collision hit info
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsCursorHidden()) UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Toggle camera controls
+        if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT))
+        {
+            if (IsCursorHidden()) EnableCursor();
+            else DisableCursor();
+        }
+
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+        {
+            if (!collision.hit)
+            {
+                ray = GetMouseRay(GetMousePosition(), camera);
+
+                // Check collision between ray and box
+                collision = GetRayCollisionBox(ray,
+                            (BoundingBox){(Vector3){ cubePosition.x - cubeSize.x/2, cubePosition.y - cubeSize.y/2, cubePosition.z - cubeSize.z/2 },
+                                          (Vector3){ cubePosition.x + cubeSize.x/2, cubePosition.y + cubeSize.y/2, cubePosition.z + cubeSize.z/2 }});
+            }
+            else collision.hit = false;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                if (collision.hit)
+                {
+                    DrawCube(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, RED);
+                    DrawCubeWires(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, MAROON);
+
+                    DrawCubeWires(cubePosition, cubeSize.x + 0.2f, cubeSize.y + 0.2f, cubeSize.z + 0.2f, GREEN);
+                }
+                else
+                {
+                    DrawCube(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, GRAY);
+                    DrawCubeWires(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, DARKGRAY);
+                }
+
+                DrawRay(ray, MAROON);
+                DrawGrid(10, 1.0f);
+
+            EndMode3D();
+
+            DrawText("Try clicking on the box with your mouse!", 240, 10, 20, DARKGRAY);
+
+            if (collision.hit) DrawText("BOX SELECTED", (screenWidth - MeasureText("BOX SELECTED", 30)) / 2, (int)(screenHeight * 0.1f), 30, GREEN);
+
+            DrawText("Right click mouse to toggle camera controls", 10, 430, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_custom_logging.c

@@ -0,0 +1,88 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Custom logging
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 2.5
+*
+*   Example contributed by Pablo Marcos Oltra (@pamarcos) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2018-2023 Pablo Marcos Oltra (@pamarcos) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdio.h>                  // Required for: fopen(), fclose(), fputc(), fwrite(), printf(), fprintf(), funopen()
+#include <time.h>                   // Required for: time_t, tm, time(), localtime(), strftime()
+
+// Custom logging function
+void CustomLog(int msgType, const char *text, va_list args)
+{
+    char timeStr[64] = { 0 };
+    time_t now = time(NULL);
+    struct tm *tm_info = localtime(&now);
+
+    strftime(timeStr, sizeof(timeStr), "%Y-%m-%d %H:%M:%S", tm_info);
+    printf("[%s] ", timeStr);
+
+    switch (msgType)
+    {
+        case LOG_INFO: printf("[INFO] : "); break;
+        case LOG_ERROR: printf("[ERROR]: "); break;
+        case LOG_WARNING: printf("[WARN] : "); break;
+        case LOG_DEBUG: printf("[DEBUG]: "); break;
+        default: break;
+    }
+
+    vprintf(text, args);
+    printf("\n");
+}
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    // Set custom logger
+    SetTraceLogCallback(CustomLog);
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - custom logging");
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+        ClearBackground(RAYWHITE);
+
+        DrawText("Check out the console output to see the custom logger in action!", 60, 200, 20, LIGHTGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_input_gestures.c

@@ -0,0 +1,119 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Input Gestures Detection
+*
+*   Example originally created with raylib 1.4, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2016-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define MAX_GESTURE_STRINGS   20
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures");
+
+    Vector2 touchPosition = { 0, 0 };
+    Rectangle touchArea = { 220, 10, screenWidth - 230.0f, screenHeight - 20.0f };
+
+    int gesturesCount = 0;
+    char gestureStrings[MAX_GESTURE_STRINGS][32];
+
+    int currentGesture = GESTURE_NONE;
+    int lastGesture = GESTURE_NONE;
+
+    //SetGesturesEnabled(0b0000000000001001);   // Enable only some gestures to be detected
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        lastGesture = currentGesture;
+        currentGesture = GetGestureDetected();
+        touchPosition = GetTouchPosition(0);
+
+        if (CheckCollisionPointRec(touchPosition, touchArea) && (currentGesture != GESTURE_NONE))
+        {
+            if (currentGesture != lastGesture)
+            {
+                // Store gesture string
+                switch (currentGesture)
+                {
+                    case GESTURE_TAP: TextCopy(gestureStrings[gesturesCount], "GESTURE TAP"); break;
+                    case GESTURE_DOUBLETAP: TextCopy(gestureStrings[gesturesCount], "GESTURE DOUBLETAP"); break;
+                    case GESTURE_HOLD: TextCopy(gestureStrings[gesturesCount], "GESTURE HOLD"); break;
+                    case GESTURE_DRAG: TextCopy(gestureStrings[gesturesCount], "GESTURE DRAG"); break;
+                    case GESTURE_SWIPE_RIGHT: TextCopy(gestureStrings[gesturesCount], "GESTURE SWIPE RIGHT"); break;
+                    case GESTURE_SWIPE_LEFT: TextCopy(gestureStrings[gesturesCount], "GESTURE SWIPE LEFT"); break;
+                    case GESTURE_SWIPE_UP: TextCopy(gestureStrings[gesturesCount], "GESTURE SWIPE UP"); break;
+                    case GESTURE_SWIPE_DOWN: TextCopy(gestureStrings[gesturesCount], "GESTURE SWIPE DOWN"); break;
+                    case GESTURE_PINCH_IN: TextCopy(gestureStrings[gesturesCount], "GESTURE PINCH IN"); break;
+                    case GESTURE_PINCH_OUT: TextCopy(gestureStrings[gesturesCount], "GESTURE PINCH OUT"); break;
+                    default: break;
+                }
+
+                gesturesCount++;
+
+                // Reset gestures strings
+                if (gesturesCount >= MAX_GESTURE_STRINGS)
+                {
+                    for (int i = 0; i < MAX_GESTURE_STRINGS; i++) TextCopy(gestureStrings[i], "\0");
+
+                    gesturesCount = 0;
+                }
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawRectangleRec(touchArea, GRAY);
+            DrawRectangle(225, 15, screenWidth - 240, screenHeight - 30, RAYWHITE);
+
+            DrawText("GESTURES TEST AREA", screenWidth - 270, screenHeight - 40, 20, Fade(GRAY, 0.5f));
+
+            for (int i = 0; i < gesturesCount; i++)
+            {
+                if (i%2 == 0) DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.5f));
+                else DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.3f));
+
+                if (i < gesturesCount - 1) DrawText(gestureStrings[i], 35, 36 + 20*i, 10, DARKGRAY);
+                else DrawText(gestureStrings[i], 35, 36 + 20*i, 10, MAROON);
+            }
+
+            DrawRectangleLines(10, 29, 200, screenHeight - 50, GRAY);
+            DrawText("DETECTED GESTURES", 50, 15, 10, GRAY);
+
+            if (currentGesture != GESTURE_NONE) DrawCircleV(touchPosition, 30, MAROON);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+}

examples/core/core_input_multitouch.c

@@ -0,0 +1,79 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Input multitouch
+*
+*   Example originally created with raylib 2.1, last time updated with raylib 2.5
+*
+*   Example contributed by Berni (@Berni8k) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Berni (@Berni8k) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define MAX_TOUCH_POINTS 10
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - input multitouch");
+
+    Vector2 touchPositions[MAX_TOUCH_POINTS] = { 0 };
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //---------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Get the touch point count ( how many fingers are touching the screen )
+        int tCount = GetTouchPointCount();
+        // Clamp touch points available ( set the maximum touch points allowed )
+        if(tCount > MAX_TOUCH_POINTS) tCount = MAX_TOUCH_POINTS;
+        // Get touch points positions
+        for (int i = 0; i < tCount; ++i) touchPositions[i] = GetTouchPosition(i);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+            
+            for (int i = 0; i < tCount; ++i)
+            {
+                // Make sure point is not (0, 0) as this means there is no touch for it
+                if ((touchPositions[i].x > 0) && (touchPositions[i].y > 0))
+                {
+                    // Draw circle and touch index number
+                    DrawCircleV(touchPositions[i], 34, ORANGE);
+                    DrawText(TextFormat("%d", i), (int)touchPositions[i].x - 10, (int)touchPositions[i].y - 70, 40, BLACK);
+                }
+            }
+
+            DrawText("touch the screen at multiple locations to get multiple balls", 10, 10, 20, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_random_values.c

@@ -0,0 +1,72 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Generate random values
+*
+*   Example originally created with raylib 1.1, last time updated with raylib 1.1
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2014-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - generate random values");
+
+    // SetRandomSeed(0xaabbccff);   // Set a custom random seed if desired, by default: "time(NULL)"
+
+    int randValue = GetRandomValue(-8, 5);   // Get a random integer number between -8 and 5 (both included)
+    
+    int framesCounter = 0;          // Variable used to count frames
+    
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        framesCounter++;
+
+        // Every two seconds (120 frames) a new random value is generated
+        if (((framesCounter/120)%2) == 1)
+        {
+            randValue = GetRandomValue(-8, 5);
+            framesCounter = 0;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("Every 2 seconds a new random value is generated:", 130, 100, 20, MAROON);
+
+            DrawText(TextFormat("%i", randValue), 360, 180, 80, LIGHTGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_scissor_test.c

@@ -0,0 +1,76 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Scissor test
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.0
+*
+*   Example contributed by Chris Dill (@MysteriousSpace) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Chris Dill (@MysteriousSpace)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - scissor test");
+
+    Rectangle scissorArea = { 0, 0, 300, 300 };
+    bool scissorMode = true;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KEY_S)) scissorMode = !scissorMode;
+
+        // Centre the scissor area around the mouse position
+        scissorArea.x = GetMouseX() - scissorArea.width/2;
+        scissorArea.y = GetMouseY() - scissorArea.height/2;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            if (scissorMode) BeginScissorMode((int)scissorArea.x, (int)scissorArea.y, (int)scissorArea.width, (int)scissorArea.height);
+
+            // Draw full screen rectangle and some text
+            // NOTE: Only part defined by scissor area will be rendered
+            DrawRectangle(0, 0, GetScreenWidth(), GetScreenHeight(), RED);
+            DrawText("Move the mouse around to reveal this text!", 190, 200, 20, LIGHTGRAY);
+
+            if (scissorMode) EndScissorMode();
+
+            DrawRectangleLinesEx(scissorArea, 1, BLACK);
+            DrawText("Press S to toggle scissor test", 10, 10, 20, BLACK);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_smooth_pixelperfect.c

@@ -0,0 +1,122 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - smooth pixel-perfect camera
+*
+*   Example originally created with raylib 3.7, last time updated with raylib 4.0
+*   
+*   Example contributed by Giancamillo Alessandroni (@NotManyIdeasDev) and
+*   reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2021-2023 Giancamillo Alessandroni (@NotManyIdeasDev) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <math.h>       // Required for: sinf(), cosf()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    const int virtualScreenWidth = 160;
+    const int virtualScreenHeight = 90;
+
+    const float virtualRatio = (float)screenWidth/(float)virtualScreenWidth;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - smooth pixel-perfect camera");
+
+    Camera2D worldSpaceCamera = { 0 };  // Game world camera
+    worldSpaceCamera.zoom = 1.0f;
+
+    Camera2D screenSpaceCamera = { 0 }; // Smoothing camera
+    screenSpaceCamera.zoom = 1.0f;
+
+    RenderTexture2D target = LoadRenderTexture(virtualScreenWidth, virtualScreenHeight); // This is where we'll draw all our objects.
+
+    Rectangle rec01 = { 70.0f, 35.0f, 20.0f, 20.0f };
+    Rectangle rec02 = { 90.0f, 55.0f, 30.0f, 10.0f };
+    Rectangle rec03 = { 80.0f, 65.0f, 15.0f, 25.0f };
+
+    // The target's height is flipped (in the source Rectangle), due to OpenGL reasons
+    Rectangle sourceRec = { 0.0f, 0.0f, (float)target.texture.width, -(float)target.texture.height };
+    Rectangle destRec = { -virtualRatio, -virtualRatio, screenWidth + (virtualRatio*2), screenHeight + (virtualRatio*2) };
+
+    Vector2 origin = { 0.0f, 0.0f };
+
+    float rotation = 0.0f;
+
+    float cameraX = 0.0f;
+    float cameraY = 0.0f;
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        rotation += 60.0f*GetFrameTime();   // Rotate the rectangles, 60 degrees per second
+
+        // Make the camera move to demonstrate the effect
+        cameraX = (sinf(GetTime())*50.0f) - 10.0f;
+        cameraY = cosf(GetTime())*30.0f;
+
+        // Set the camera's target to the values computed above
+        screenSpaceCamera.target = (Vector2){ cameraX, cameraY };
+
+        // Round worldSpace coordinates, keep decimals into screenSpace coordinates
+        worldSpaceCamera.target.x = (int)screenSpaceCamera.target.x;
+        screenSpaceCamera.target.x -= worldSpaceCamera.target.x;
+        screenSpaceCamera.target.x *= virtualRatio;
+
+        worldSpaceCamera.target.y = (int)screenSpaceCamera.target.y;
+        screenSpaceCamera.target.y -= worldSpaceCamera.target.y;
+        screenSpaceCamera.target.y *= virtualRatio;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginTextureMode(target);
+            ClearBackground(RAYWHITE);
+
+            BeginMode2D(worldSpaceCamera);
+                DrawRectanglePro(rec01, origin, rotation, BLACK);
+                DrawRectanglePro(rec02, origin, -rotation, RED);
+                DrawRectanglePro(rec03, origin, rotation + 45.0f, BLUE);
+            EndMode2D();
+        EndTextureMode();
+
+        BeginDrawing();
+            ClearBackground(RED);
+
+            BeginMode2D(screenSpaceCamera);
+                DrawTexturePro(target.texture, sourceRec, destRec, origin, 0.0f, WHITE);
+            EndMode2D();
+
+            DrawText(TextFormat("Screen resolution: %ix%i", screenWidth, screenHeight), 10, 10, 20, DARKBLUE);
+            DrawText(TextFormat("World resolution: %ix%i", virtualScreenWidth, virtualScreenHeight), 10, 40, 20, DARKGREEN);
+            DrawFPS(GetScreenWidth() - 95, 10);
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadRenderTexture(target);    // Unload render texture
+
+    CloseWindow();                  // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_split_screen.c

@@ -0,0 +1,151 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - split screen
+*
+*   Example originally created with raylib 3.7, last time updated with raylib 4.0
+*
+*   Example contributed by Jeffery Myers (@JeffM2501) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2021-2023 Jeffery Myers (@JeffM2501)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+Camera cameraPlayer1 = { 0 };
+Camera cameraPlayer2 = { 0 };
+
+// Scene drawing
+void DrawScene(void)
+{
+    int count = 5;
+    float spacing = 4;
+
+    // Grid of cube trees on a plane to make a "world"
+    DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 50, 50 }, BEIGE); // Simple world plane
+
+    for (float x = -count*spacing; x <= count*spacing; x += spacing)
+    {
+        for (float z = -count*spacing; z <= count*spacing; z += spacing)
+        {
+            DrawCube((Vector3) { x, 1.5f, z }, 1, 1, 1, LIME);
+            DrawCube((Vector3) { x, 0.5f, z }, 0.25f, 1, 0.25f, BROWN);
+        }
+    }
+
+    // Draw a cube at each player's position
+    DrawCube(cameraPlayer1.position, 1, 1, 1, RED);
+    DrawCube(cameraPlayer2.position, 1, 1, 1, BLUE);
+}
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - split screen");
+
+    // Setup player 1 camera and screen
+    cameraPlayer1.fovy = 45.0f;
+    cameraPlayer1.up.y = 1.0f;
+    cameraPlayer1.target.y = 1.0f;
+    cameraPlayer1.position.z = -3.0f;
+    cameraPlayer1.position.y = 1.0f;
+
+    RenderTexture screenPlayer1 = LoadRenderTexture(screenWidth/2, screenHeight);
+
+    // Setup player two camera and screen
+    cameraPlayer2.fovy = 45.0f;
+    cameraPlayer2.up.y = 1.0f;
+    cameraPlayer2.target.y = 3.0f;
+    cameraPlayer2.position.x = -3.0f;
+    cameraPlayer2.position.y = 3.0f;
+
+    RenderTexture screenPlayer2 = LoadRenderTexture(screenWidth / 2, screenHeight);
+
+    // Build a flipped rectangle the size of the split view to use for drawing later
+    Rectangle splitScreenRect = { 0.0f, 0.0f, (float)screenPlayer1.texture.width, (float)-screenPlayer1.texture.height };
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // If anyone moves this frame, how far will they move based on the time since the last frame
+        // this moves thigns at 10 world units per second, regardless of the actual FPS
+        float offsetThisFrame = 10.0f*GetFrameTime();
+
+        // Move Player1 forward and backwards (no turning)
+        if (IsKeyDown(KEY_W))
+        {
+            cameraPlayer1.position.z += offsetThisFrame;
+            cameraPlayer1.target.z += offsetThisFrame;
+        }
+        else if (IsKeyDown(KEY_S))
+        {
+            cameraPlayer1.position.z -= offsetThisFrame;
+            cameraPlayer1.target.z -= offsetThisFrame;
+        }
+
+        // Move Player2 forward and backwards (no turning)
+        if (IsKeyDown(KEY_UP))
+        {
+            cameraPlayer2.position.x += offsetThisFrame;
+            cameraPlayer2.target.x += offsetThisFrame;
+        }
+        else if (IsKeyDown(KEY_DOWN))
+        {
+            cameraPlayer2.position.x -= offsetThisFrame;
+            cameraPlayer2.target.x -= offsetThisFrame;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        // Draw Player1 view to the render texture
+        BeginTextureMode(screenPlayer1);
+            ClearBackground(SKYBLUE);
+            BeginMode3D(cameraPlayer1);
+                DrawScene();
+            EndMode3D();
+            DrawText("PLAYER1 W/S to move", 10, 10, 20, RED);
+        EndTextureMode();
+
+        // Draw Player2 view to the render texture
+        BeginTextureMode(screenPlayer2);
+            ClearBackground(SKYBLUE);
+            BeginMode3D(cameraPlayer2);
+                DrawScene();
+            EndMode3D();
+            DrawText("PLAYER2 UP/DOWN to move", 10, 10, 20, BLUE);
+        EndTextureMode();
+
+        // Draw both views render textures to the screen side by side
+        BeginDrawing();
+            ClearBackground(BLACK);
+            DrawTextureRec(screenPlayer1.texture, splitScreenRect, (Vector2){ 0, 0 }, WHITE);
+            DrawTextureRec(screenPlayer2.texture, splitScreenRect, (Vector2){ screenWidth/2.0f, 0 }, WHITE);
+        EndDrawing();
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadRenderTexture(screenPlayer1); // Unload render texture
+    UnloadRenderTexture(screenPlayer2); // Unload render texture
+
+    CloseWindow();                      // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_window_flags.c

@@ -0,0 +1,196 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - window flags
+*
+*   Example originally created with raylib 3.5, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2020-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //---------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    // Possible window flags
+    /*
+    FLAG_VSYNC_HINT
+    FLAG_FULLSCREEN_MODE    -> not working properly -> wrong scaling!
+    FLAG_WINDOW_RESIZABLE
+    FLAG_WINDOW_UNDECORATED
+    FLAG_WINDOW_TRANSPARENT
+    FLAG_WINDOW_HIDDEN
+    FLAG_WINDOW_MINIMIZED   -> Not supported on window creation
+    FLAG_WINDOW_MAXIMIZED   -> Not supported on window creation
+    FLAG_WINDOW_UNFOCUSED
+    FLAG_WINDOW_TOPMOST
+    FLAG_WINDOW_HIGHDPI     -> errors after minimize-resize, fb size is recalculated
+    FLAG_WINDOW_ALWAYS_RUN
+    FLAG_MSAA_4X_HINT
+    */
+
+    // Set configuration flags for window creation
+    //SetConfigFlags(FLAG_VSYNC_HINT | FLAG_MSAA_4X_HINT | FLAG_WINDOW_HIGHDPI);
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - window flags");
+
+    Vector2 ballPosition = { GetScreenWidth() / 2.0f, GetScreenHeight() / 2.0f };
+    Vector2 ballSpeed = { 5.0f, 4.0f };
+    float ballRadius = 20;
+
+    int framesCounter = 0;
+
+    //SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //----------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //-----------------------------------------------------
+        if (IsKeyPressed(KEY_F)) ToggleFullscreen();  // modifies window size when scaling!
+
+        if (IsKeyPressed(KEY_R))
+        {
+            if (IsWindowState(FLAG_WINDOW_RESIZABLE)) ClearWindowState(FLAG_WINDOW_RESIZABLE);
+            else SetWindowState(FLAG_WINDOW_RESIZABLE);
+        }
+
+        if (IsKeyPressed(KEY_D))
+        {
+            if (IsWindowState(FLAG_WINDOW_UNDECORATED)) ClearWindowState(FLAG_WINDOW_UNDECORATED);
+            else SetWindowState(FLAG_WINDOW_UNDECORATED);
+        }
+
+        if (IsKeyPressed(KEY_H))
+        {
+            if (!IsWindowState(FLAG_WINDOW_HIDDEN)) SetWindowState(FLAG_WINDOW_HIDDEN);
+
+            framesCounter = 0;
+        }
+
+        if (IsWindowState(FLAG_WINDOW_HIDDEN))
+        {
+            framesCounter++;
+            if (framesCounter >= 240) ClearWindowState(FLAG_WINDOW_HIDDEN); // Show window after 3 seconds
+        }
+
+        if (IsKeyPressed(KEY_N))
+        {
+            if (!IsWindowState(FLAG_WINDOW_MINIMIZED)) MinimizeWindow();
+
+            framesCounter = 0;
+        }
+
+        if (IsWindowState(FLAG_WINDOW_MINIMIZED))
+        {
+            framesCounter++;
+            if (framesCounter >= 240) RestoreWindow(); // Restore window after 3 seconds
+        }
+
+        if (IsKeyPressed(KEY_M))
+        {
+            // NOTE: Requires FLAG_WINDOW_RESIZABLE enabled!
+            if (IsWindowState(FLAG_WINDOW_MAXIMIZED)) RestoreWindow();
+            else MaximizeWindow();
+        }
+
+        if (IsKeyPressed(KEY_U))
+        {
+            if (IsWindowState(FLAG_WINDOW_UNFOCUSED)) ClearWindowState(FLAG_WINDOW_UNFOCUSED);
+            else SetWindowState(FLAG_WINDOW_UNFOCUSED);
+        }
+
+        if (IsKeyPressed(KEY_T))
+        {
+            if (IsWindowState(FLAG_WINDOW_TOPMOST)) ClearWindowState(FLAG_WINDOW_TOPMOST);
+            else SetWindowState(FLAG_WINDOW_TOPMOST);
+        }
+
+        if (IsKeyPressed(KEY_A))
+        {
+            if (IsWindowState(FLAG_WINDOW_ALWAYS_RUN)) ClearWindowState(FLAG_WINDOW_ALWAYS_RUN);
+            else SetWindowState(FLAG_WINDOW_ALWAYS_RUN);
+        }
+
+        if (IsKeyPressed(KEY_V))
+        {
+            if (IsWindowState(FLAG_VSYNC_HINT)) ClearWindowState(FLAG_VSYNC_HINT);
+            else SetWindowState(FLAG_VSYNC_HINT);
+        }
+
+        // Bouncing ball logic
+        ballPosition.x += ballSpeed.x;
+        ballPosition.y += ballSpeed.y;
+        if ((ballPosition.x >= (GetScreenWidth() - ballRadius)) || (ballPosition.x <= ballRadius)) ballSpeed.x *= -1.0f;
+        if ((ballPosition.y >= (GetScreenHeight() - ballRadius)) || (ballPosition.y <= ballRadius)) ballSpeed.y *= -1.0f;
+        //-----------------------------------------------------
+
+        // Draw
+        //-----------------------------------------------------
+        BeginDrawing();
+
+        if (IsWindowState(FLAG_WINDOW_TRANSPARENT)) ClearBackground(BLANK);
+        else ClearBackground(RAYWHITE);
+
+        DrawCircleV(ballPosition, ballRadius, MAROON);
+        DrawRectangleLinesEx((Rectangle) { 0, 0, (float)GetScreenWidth(), (float)GetScreenHeight() }, 4, RAYWHITE);
+
+        DrawCircleV(GetMousePosition(), 10, DARKBLUE);
+
+        DrawFPS(10, 10);
+
+        DrawText(TextFormat("Screen Size: [%i, %i]", GetScreenWidth(), GetScreenHeight()), 10, 40, 10, GREEN);
+
+        // Draw window state info
+        DrawText("Following flags can be set after window creation:", 10, 60, 10, GRAY);
+        if (IsWindowState(FLAG_FULLSCREEN_MODE)) DrawText("[F] FLAG_FULLSCREEN_MODE: on", 10, 80, 10, LIME);
+        else DrawText("[F] FLAG_FULLSCREEN_MODE: off", 10, 80, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_RESIZABLE)) DrawText("[R] FLAG_WINDOW_RESIZABLE: on", 10, 100, 10, LIME);
+        else DrawText("[R] FLAG_WINDOW_RESIZABLE: off", 10, 100, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_UNDECORATED)) DrawText("[D] FLAG_WINDOW_UNDECORATED: on", 10, 120, 10, LIME);
+        else DrawText("[D] FLAG_WINDOW_UNDECORATED: off", 10, 120, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_HIDDEN)) DrawText("[H] FLAG_WINDOW_HIDDEN: on", 10, 140, 10, LIME);
+        else DrawText("[H] FLAG_WINDOW_HIDDEN: off", 10, 140, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_MINIMIZED)) DrawText("[N] FLAG_WINDOW_MINIMIZED: on", 10, 160, 10, LIME);
+        else DrawText("[N] FLAG_WINDOW_MINIMIZED: off", 10, 160, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_MAXIMIZED)) DrawText("[M] FLAG_WINDOW_MAXIMIZED: on", 10, 180, 10, LIME);
+        else DrawText("[M] FLAG_WINDOW_MAXIMIZED: off", 10, 180, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_UNFOCUSED)) DrawText("[G] FLAG_WINDOW_UNFOCUSED: on", 10, 200, 10, LIME);
+        else DrawText("[U] FLAG_WINDOW_UNFOCUSED: off", 10, 200, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_TOPMOST)) DrawText("[T] FLAG_WINDOW_TOPMOST: on", 10, 220, 10, LIME);
+        else DrawText("[T] FLAG_WINDOW_TOPMOST: off", 10, 220, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_ALWAYS_RUN)) DrawText("[A] FLAG_WINDOW_ALWAYS_RUN: on", 10, 240, 10, LIME);
+        else DrawText("[A] FLAG_WINDOW_ALWAYS_RUN: off", 10, 240, 10, MAROON);
+        if (IsWindowState(FLAG_VSYNC_HINT)) DrawText("[V] FLAG_VSYNC_HINT: on", 10, 260, 10, LIME);
+        else DrawText("[V] FLAG_VSYNC_HINT: off", 10, 260, 10, MAROON);
+
+        DrawText("Following flags can only be set before window creation:", 10, 300, 10, GRAY);
+        if (IsWindowState(FLAG_WINDOW_HIGHDPI)) DrawText("FLAG_WINDOW_HIGHDPI: on", 10, 320, 10, LIME);
+        else DrawText("FLAG_WINDOW_HIGHDPI: off", 10, 320, 10, MAROON);
+        if (IsWindowState(FLAG_WINDOW_TRANSPARENT)) DrawText("FLAG_WINDOW_TRANSPARENT: on", 10, 340, 10, LIME);
+        else DrawText("FLAG_WINDOW_TRANSPARENT: off", 10, 340, 10, MAROON);
+        if (IsWindowState(FLAG_MSAA_4X_HINT)) DrawText("FLAG_MSAA_4X_HINT: on", 10, 360, 10, LIME);
+        else DrawText("FLAG_MSAA_4X_HINT: off", 10, 360, 10, MAROON);
+
+        EndDrawing();
+        //-----------------------------------------------------
+    }
+
+    // De-Initialization
+    //---------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //----------------------------------------------------------
+
+    return 0;
+}

examples/core/core_window_letterbox.c

@@ -0,0 +1,107 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - window scale letterbox (and virtual mouse)
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 4.0
+*
+*   Example contributed by Anata (@anatagawa) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Anata (@anatagawa) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"        // Required for: Vector2Clamp()
+
+#define MAX(a, b) ((a)>(b)? (a) : (b))
+#define MIN(a, b) ((a)<(b)? (a) : (b))
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    const int windowWidth = 800;
+    const int windowHeight = 450;
+
+    // Enable config flags for resizable window and vertical synchro
+    SetConfigFlags(FLAG_WINDOW_RESIZABLE | FLAG_VSYNC_HINT);
+    InitWindow(windowWidth, windowHeight, "raylib [core] example - window scale letterbox");
+    SetWindowMinSize(320, 240);
+
+    int gameScreenWidth = 640;
+    int gameScreenHeight = 480;
+
+    // Render texture initialization, used to hold the rendering result so we can easily resize it
+    RenderTexture2D target = LoadRenderTexture(gameScreenWidth, gameScreenHeight);
+    SetTextureFilter(target.texture, TEXTURE_FILTER_BILINEAR);  // Texture scale filter to use
+
+    Color colors[10] = { 0 };
+    for (int i = 0; i < 10; i++) colors[i] = (Color){ GetRandomValue(100, 250), GetRandomValue(50, 150), GetRandomValue(10, 100), 255 };
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Compute required framebuffer scaling
+        float scale = MIN((float)GetScreenWidth()/gameScreenWidth, (float)GetScreenHeight()/gameScreenHeight);
+
+        if (IsKeyPressed(KEY_SPACE))
+        {
+            // Recalculate random colors for the bars
+            for (int i = 0; i < 10; i++) colors[i] = (Color){ GetRandomValue(100, 250), GetRandomValue(50, 150), GetRandomValue(10, 100), 255 };
+        }
+
+        // Update virtual mouse (clamped mouse value behind game screen)
+        Vector2 mouse = GetMousePosition();
+        Vector2 virtualMouse = { 0 };
+        virtualMouse.x = (mouse.x - (GetScreenWidth() - (gameScreenWidth*scale))*0.5f)/scale;
+        virtualMouse.y = (mouse.y - (GetScreenHeight() - (gameScreenHeight*scale))*0.5f)/scale;
+        virtualMouse = Vector2Clamp(virtualMouse, (Vector2){ 0, 0 }, (Vector2){ (float)gameScreenWidth, (float)gameScreenHeight });
+
+        // Apply the same transformation as the virtual mouse to the real mouse (i.e. to work with raygui)
+        //SetMouseOffset(-(GetScreenWidth() - (gameScreenWidth*scale))*0.5f, -(GetScreenHeight() - (gameScreenHeight*scale))*0.5f);
+        //SetMouseScale(1/scale, 1/scale);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        // Draw everything in the render texture, note this will not be rendered on screen, yet
+        BeginTextureMode(target);
+            ClearBackground(RAYWHITE);  // Clear render texture background color
+
+            for (int i = 0; i < 10; i++) DrawRectangle(0, (gameScreenHeight/10)*i, gameScreenWidth, gameScreenHeight/10, colors[i]);
+
+            DrawText("If executed inside a window,\nyou can resize the window,\nand see the screen scaling!", 10, 25, 20, WHITE);
+            DrawText(TextFormat("Default Mouse: [%i , %i]", (int)mouse.x, (int)mouse.y), 350, 25, 20, GREEN);
+            DrawText(TextFormat("Virtual Mouse: [%i , %i]", (int)virtualMouse.x, (int)virtualMouse.y), 350, 55, 20, YELLOW);
+        EndTextureMode();
+        
+        BeginDrawing();
+            ClearBackground(BLACK);     // Clear screen background
+
+            // Draw render texture to screen, properly scaled
+            DrawTexturePro(target.texture, (Rectangle){ 0.0f, 0.0f, (float)target.texture.width, (float)-target.texture.height },
+                           (Rectangle){ (GetScreenWidth() - ((float)gameScreenWidth*scale))*0.5f, (GetScreenHeight() - ((float)gameScreenHeight*scale))*0.5f,
+                           (float)gameScreenWidth*scale, (float)gameScreenHeight*scale }, (Vector2){ 0, 0 }, 0.0f, WHITE);
+        EndDrawing();
+        //--------------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadRenderTexture(target);        // Unload render texture
+
+    CloseWindow();                      // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_window_should_close.c

@@ -0,0 +1,77 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Window should close
+*
+*   Example originally created with raylib 4.2, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2013-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - window should close");
+    
+    SetExitKey(KEY_NULL);       // Disable KEY_ESCAPE to close window, X-button still works
+    
+    bool exitWindowRequested = false;   // Flag to request window to exit
+    bool exitWindow = false;    // Flag to set window to exit
+
+    SetTargetFPS(60);           // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!exitWindow)
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Detect if X-button or KEY_ESCAPE have been pressed to close window
+        if (WindowShouldClose() || IsKeyPressed(KEY_ESCAPE)) exitWindowRequested = true;
+        
+        if (exitWindowRequested)
+        {
+            // A request for close window has been issued, we can save data before closing
+            // or just show a message asking for confirmation
+            
+            if (IsKeyPressed(KEY_Y)) exitWindow = true;
+            else if (IsKeyPressed(KEY_N)) exitWindowRequested = false;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            if (exitWindowRequested)
+            {
+                DrawRectangle(0, 100, screenWidth, 200, BLACK);
+                DrawText("Are you sure you want to exit program? [Y/N]", 40, 180, 30, WHITE);
+            }
+            else DrawText("Try to close the window to get confirmation message!", 120, 200, 20, LIGHTGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/core_world_screen.c

@@ -0,0 +1,85 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - World to screen
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 1.4
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - core world screen");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
+    Vector2 cubeScreenPosition = { 0.0f, 0.0f };
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_THIRD_PERSON);
+
+        // Calculate cube screen space position (with a little offset to be in top)
+        cubeScreenPosition = GetWorldToScreen((Vector3){cubePosition.x, cubePosition.y + 2.5f, cubePosition.z}, camera);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
+                DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
+
+                DrawGrid(10, 1.0f);
+
+            EndMode3D();
+
+            DrawText("Enemy: 100 / 100", (int)cubeScreenPosition.x - MeasureText("Enemy: 100/100", 20)/2, (int)cubeScreenPosition.y, 20, BLACK);
+            
+            DrawText(TextFormat("Cube position in screen space coordinates: [%i, %i]", (int)cubeScreenPosition.x, (int)cubeScreenPosition.y), 10, 10, 20, LIME);
+            DrawText("Text 2d should be always on top of the cube", 10, 40, 20, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/core/resources/LICENSE.md

@@ -0,0 +1,4 @@
+| resource      | author      | licence | notes |
+| :------------ | :---------: | :------ | :---- |
+| ps3.png       | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| xbox.png      | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |

examples/core/resources/distortion100.fs

@@ -0,0 +1,52 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// NOTE: Add here your custom variables
+uniform vec2 leftLensCenter;
+uniform vec2 rightLensCenter;
+uniform vec2 leftScreenCenter;
+uniform vec2 rightScreenCenter;
+uniform vec2 scale;
+uniform vec2 scaleIn;
+uniform vec4 deviceWarpParam;
+uniform vec4 chromaAbParam;
+
+void main()
+{
+    // Compute lens distortion
+    vec2 lensCenter = fragTexCoord.x < 0.5? leftLensCenter : rightLensCenter;
+    vec2 screenCenter = fragTexCoord.x < 0.5? leftScreenCenter : rightScreenCenter;
+    vec2 theta = (fragTexCoord - lensCenter)*scaleIn;
+    float rSq = theta.x*theta.x + theta.y*theta.y;
+    vec2 theta1 = theta*(deviceWarpParam.x + deviceWarpParam.y*rSq + deviceWarpParam.z*rSq*rSq + deviceWarpParam.w*rSq*rSq*rSq);
+    vec2 thetaBlue = theta1*(chromaAbParam.z + chromaAbParam.w*rSq);
+    vec2 tcBlue = lensCenter + scale*thetaBlue;
+
+    if (any(bvec2(clamp(tcBlue, screenCenter - vec2(0.25, 0.5), screenCenter + vec2(0.25, 0.5)) - tcBlue)))
+    {
+        // Set black fragment for everything outside the lens border
+        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
+    }
+    else
+    {
+        // Compute color chroma aberration
+        float blue = texture2D(texture0, tcBlue).b;
+        vec2 tcGreen = lensCenter + scale*theta1;
+        float green = texture2D(texture0, tcGreen).g;
+
+        vec2 thetaRed = theta1*(chromaAbParam.x + chromaAbParam.y*rSq);
+        vec2 tcRed = lensCenter + scale*thetaRed;
+
+        float red = texture2D(texture0, tcRed).r;
+        gl_FragColor = vec4(red, green, blue, 1.0);
+    }
+}

examples/core/resources/distortion330.fs

@@ -0,0 +1,53 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec2 fragTexCoord;
+in vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// Output fragment color
+out vec4 finalColor;
+
+// NOTE: Add here your custom variables
+uniform vec2 leftLensCenter = vec2(0.288, 0.5);
+uniform vec2 rightLensCenter = vec2(0.712, 0.5);
+uniform vec2 leftScreenCenter = vec2(0.25, 0.5);
+uniform vec2 rightScreenCenter = vec2(0.75, 0.5);
+uniform vec2 scale = vec2(0.25, 0.45);
+uniform vec2 scaleIn = vec2(4, 2.2222);
+uniform vec4 deviceWarpParam = vec4(1, 0.22, 0.24, 0);
+uniform vec4 chromaAbParam = vec4(0.996, -0.004, 1.014, 0.0);
+
+void main()
+{
+    // Compute lens distortion
+    vec2 lensCenter = fragTexCoord.x < 0.5? leftLensCenter : rightLensCenter;
+    vec2 screenCenter = fragTexCoord.x < 0.5? leftScreenCenter : rightScreenCenter;
+    vec2 theta = (fragTexCoord - lensCenter)*scaleIn;
+    float rSq = theta.x*theta.x + theta.y*theta.y;
+    vec2 theta1 = theta*(deviceWarpParam.x + deviceWarpParam.y*rSq + deviceWarpParam.z*rSq*rSq + deviceWarpParam.w*rSq*rSq*rSq);
+    vec2 thetaBlue = theta1*(chromaAbParam.z + chromaAbParam.w*rSq);
+    vec2 tcBlue = lensCenter + scale*thetaBlue;
+
+    if (any(bvec2(clamp(tcBlue, screenCenter - vec2(0.25, 0.5), screenCenter + vec2(0.25, 0.5)) - tcBlue)))
+    {
+        // Set black fragment for everything outside the lens border
+        finalColor = vec4(0.0, 0.0, 0.0, 1.0);
+    }
+    else
+    {
+        // Compute color chroma aberration
+        float blue = texture(texture0, tcBlue).b;
+        vec2 tcGreen = lensCenter + scale*theta1;
+        float green = texture(texture0, tcGreen).g;
+
+        vec2 thetaRed = theta1*(chromaAbParam.x + chromaAbParam.y*rSq);
+        vec2 tcRed = lensCenter + scale*thetaRed;
+
+        float red = texture(texture0, tcRed).r;
+        finalColor = vec4(red, green, blue, 1.0);
+    }
+}

examples/models/models_animation.c

@@ -0,0 +1,111 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load 3d model with animations and play them
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.5
+*
+*   Example contributed by Culacant (@culacant) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Culacant (@culacant) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************
+*
+*   NOTE: To export a model from blender, make sure it is not posed, the vertices need to be 
+*         in the same position as they would be in edit mode and the scale of your models is 
+*         set to 0. Scaling can be done from the export menu.
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - model animation");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera mode type
+
+    Model model = LoadModel("resources/models/iqm/guy.iqm");                    // Load the animated model mesh and basic data
+    Texture2D texture = LoadTexture("resources/models/iqm/guytex.png");         // Load model texture and set material
+    SetMaterialTexture(&model.materials[0], MATERIAL_MAP_DIFFUSE, texture);     // Set model material map texture
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };            // Set model position
+
+    // Load animation data
+    unsigned int animsCount = 0;
+    ModelAnimation *anims = LoadModelAnimations("resources/models/iqm/guyanim.iqm", &animsCount);
+    int animFrameCounter = 0;
+
+    DisableCursor();                    // Catch cursor
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Play animation when spacebar is held down
+        if (IsKeyDown(KEY_SPACE))
+        {
+            animFrameCounter++;
+            UpdateModelAnimation(model, anims[0], animFrameCounter);
+            if (animFrameCounter >= anims[0].frameCount) animFrameCounter = 0;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModelEx(model, position, (Vector3){ 1.0f, 0.0f, 0.0f }, -90.0f, (Vector3){ 1.0f, 1.0f, 1.0f }, WHITE);
+
+                for (int i = 0; i < model.boneCount; i++)
+                {
+                    DrawCube(anims[0].framePoses[animFrameCounter][i].translation, 0.2f, 0.2f, 0.2f, RED);
+                }
+
+                DrawGrid(10, 1.0f);         // Draw a grid
+
+            EndMode3D();
+
+            DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, 10, 20, MAROON);
+            DrawText("(c) Guy IQM 3D model by @culacant", screenWidth - 200, screenHeight - 20, 10, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);                     // Unload texture
+    UnloadModelAnimations(anims, animsCount);   // Unload model animations data
+    UnloadModel(model);                         // Unload model
+
+    CloseWindow();                  // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_billboard.c

@@ -0,0 +1,111 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Drawing billboards
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "raymath.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - drawing billboards");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 5.0f, 4.0f, 5.0f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Texture2D bill = LoadTexture("resources/billboard.png");    // Our billboard texture
+    Vector3 billPositionStatic = { 0.0f, 2.0f, 0.0f };          // Position of static billboard
+    Vector3 billPositionRotating = { 1.0f, 2.0f, 1.0f };        // Position of rotating billboard
+
+    // Entire billboard texture, source is used to take a segment from a larger texture.
+    Rectangle source = { 0.0f, 0.0f, (float)bill.width, (float)bill.height };
+
+    // NOTE: Billboard locked on axis-Y
+    Vector3 billUp = { 0.0f, 1.0f, 0.0f };
+
+    // Rotate around origin
+    // Here we choose to rotate around the image center
+    // NOTE: (-1, 1) is the range where origin.x, origin.y is inside the texture
+    Vector2 rotateOrigin = { 0.0f };
+
+    // Distance is needed for the correct billboard draw order
+    // Larger distance (further away from the camera) should be drawn prior to smaller distance.
+    float distanceStatic;
+    float distanceRotating;
+    float rotation = 0.0f;
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        rotation += 0.4f;
+        distanceStatic = Vector3Distance(camera.position, billPositionStatic);
+        distanceRotating = Vector3Distance(camera.position, billPositionRotating);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+                // Draw order matters!
+                if (distanceStatic > distanceRotating) 
+                {
+                    DrawBillboard(camera, bill, billPositionStatic, 2.0f, WHITE);
+                    DrawBillboardPro(camera, bill, source, billPositionRotating, billUp, (Vector2) {1.0f, 1.0f}, rotateOrigin, rotation, WHITE);
+                } 
+                else
+                {
+                    DrawBillboardPro(camera, bill, source, billPositionRotating, billUp, (Vector2) {1.0f, 1.0f}, rotateOrigin, rotation, WHITE);
+                    DrawBillboard(camera, bill, billPositionStatic, 2.0f, WHITE);
+                }
+                
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(bill);        // Unload texture
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_box_collisions.c

@@ -0,0 +1,126 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Detect basic 3d collisions (box vs sphere vs box)
+*
+*   Example originally created with raylib 1.3, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - box collisions");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { { 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
+
+    Vector3 playerPosition = { 0.0f, 1.0f, 2.0f };
+    Vector3 playerSize = { 1.0f, 2.0f, 1.0f };
+    Color playerColor = GREEN;
+
+    Vector3 enemyBoxPos = { -4.0f, 1.0f, 0.0f };
+    Vector3 enemyBoxSize = { 2.0f, 2.0f, 2.0f };
+
+    Vector3 enemySpherePos = { 4.0f, 0.0f, 0.0f };
+    float enemySphereSize = 1.5f;
+
+    bool collision = false;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+
+        // Move player
+        if (IsKeyDown(KEY_RIGHT)) playerPosition.x += 0.2f;
+        else if (IsKeyDown(KEY_LEFT)) playerPosition.x -= 0.2f;
+        else if (IsKeyDown(KEY_DOWN)) playerPosition.z += 0.2f;
+        else if (IsKeyDown(KEY_UP)) playerPosition.z -= 0.2f;
+
+        collision = false;
+
+        // Check collisions player vs enemy-box
+        if (CheckCollisionBoxes(
+            (BoundingBox){(Vector3){ playerPosition.x - playerSize.x/2,
+                                     playerPosition.y - playerSize.y/2,
+                                     playerPosition.z - playerSize.z/2 },
+                          (Vector3){ playerPosition.x + playerSize.x/2,
+                                     playerPosition.y + playerSize.y/2,
+                                     playerPosition.z + playerSize.z/2 }},
+            (BoundingBox){(Vector3){ enemyBoxPos.x - enemyBoxSize.x/2,
+                                     enemyBoxPos.y - enemyBoxSize.y/2,
+                                     enemyBoxPos.z - enemyBoxSize.z/2 },
+                          (Vector3){ enemyBoxPos.x + enemyBoxSize.x/2,
+                                     enemyBoxPos.y + enemyBoxSize.y/2,
+                                     enemyBoxPos.z + enemyBoxSize.z/2 }})) collision = true;
+
+        // Check collisions player vs enemy-sphere
+        if (CheckCollisionBoxSphere(
+            (BoundingBox){(Vector3){ playerPosition.x - playerSize.x/2,
+                                     playerPosition.y - playerSize.y/2,
+                                     playerPosition.z - playerSize.z/2 },
+                          (Vector3){ playerPosition.x + playerSize.x/2,
+                                     playerPosition.y + playerSize.y/2,
+                                     playerPosition.z + playerSize.z/2 }},
+            enemySpherePos, enemySphereSize)) collision = true;
+
+        if (collision) playerColor = RED;
+        else playerColor = GREEN;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw enemy-box
+                DrawCube(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, GRAY);
+                DrawCubeWires(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, DARKGRAY);
+
+                // Draw enemy-sphere
+                DrawSphere(enemySpherePos, enemySphereSize, GRAY);
+                DrawSphereWires(enemySpherePos, enemySphereSize, 16, 16, DARKGRAY);
+
+                // Draw player
+                DrawCubeV(playerPosition, playerSize, playerColor);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawText("Move player with cursors to collide", 220, 40, 20, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_cubicmap.c

@@ -0,0 +1,95 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Cubicmap loading and drawing
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - cubesmap loading and drawing");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 16.0f, 14.0f, 16.0f };     // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };          // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };              // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                    // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                 // Camera projection type
+
+    Image image = LoadImage("resources/cubicmap.png");      // Load cubicmap image (RAM)
+    Texture2D cubicmap = LoadTextureFromImage(image);       // Convert image to texture to display (VRAM)
+
+    Mesh mesh = GenMeshCubicmap(image, (Vector3){ 1.0f, 1.0f, 1.0f });
+    Model model = LoadModelFromMesh(mesh);
+
+    // NOTE: By default each cube is mapped to one part of texture atlas
+    Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");    // Load map texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;    // Set map diffuse texture
+
+    Vector3 mapPosition = { -16.0f, 0.0f, -8.0f };          // Set model position
+
+    UnloadImage(image);     // Unload cubesmap image from RAM, already uploaded to VRAM
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, mapPosition, 1.0f, WHITE);
+
+            EndMode3D();
+
+            DrawTextureEx(cubicmap, (Vector2){ screenWidth - cubicmap.width*4.0f - 20, 20.0f }, 0.0f, 4.0f, WHITE);
+            DrawRectangleLines(screenWidth - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN);
+
+            DrawText("cubicmap image used to", 658, 90, 10, GRAY);
+            DrawText("generate map 3d model", 658, 104, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(cubicmap);    // Unload cubicmap texture
+    UnloadTexture(texture);     // Unload map texture
+    UnloadModel(model);         // Unload map model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_draw_cube_texture.c

@@ -0,0 +1,245 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Draw textured cube
+*
+*   Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2022-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "rlgl.h"       // Required to define vertex data (immediate-mode style)
+
+//------------------------------------------------------------------------------------
+// Custom Functions Declaration
+//------------------------------------------------------------------------------------
+void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color); // Draw cube textured
+void DrawCubeTextureRec(Texture2D texture, Rectangle source, Vector3 position, float width, float height, float length, Color color); // Draw cube with a region of a texture
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - draw cube texture");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+    camera.fovy = 45.0f;
+    camera.projection = CAMERA_PERSPECTIVE;
+    
+    // Load texture to be applied to the cubes sides
+    Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw cube with an applied texture
+                DrawCubeTexture(texture, (Vector3){ -2.0f, 2.0f, 0.0f }, 2.0f, 4.0f, 2.0f, WHITE);
+
+                // Draw cube with an applied texture, but only a defined rectangle piece of the texture
+                DrawCubeTextureRec(texture, (Rectangle){ 0, texture.height/2, texture.width/2, texture.height/2 }, 
+                    (Vector3){ 2.0f, 1.0f, 0.0f }, 2.0f, 2.0f, 2.0f, WHITE);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture); // Unload texture
+    
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+//------------------------------------------------------------------------------------
+// Custom Functions Definition
+//------------------------------------------------------------------------------------
+// Draw cube textured
+// NOTE: Cube position is the center position
+void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color)
+{
+    float x = position.x;
+    float y = position.y;
+    float z = position.z;
+
+    // Set desired texture to be enabled while drawing following vertex data
+    rlSetTexture(texture.id);
+
+    // Vertex data transformation can be defined with the commented lines,
+    // but in this example we calculate the transformed vertex data directly when calling rlVertex3f()
+    //rlPushMatrix();
+        // NOTE: Transformation is applied in inverse order (scale -> rotate -> translate)
+        //rlTranslatef(2.0f, 0.0f, 0.0f);
+        //rlRotatef(45, 0, 1, 0);
+        //rlScalef(2.0f, 2.0f, 2.0f);
+
+        rlBegin(RL_QUADS);
+            rlColor4ub(color.r, color.g, color.b, color.a);
+            // Front Face
+            rlNormal3f(0.0f, 0.0f, 1.0f);       // Normal Pointing Towards Viewer
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z + length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z + length/2);  // Top Left Of The Texture and Quad
+            // Back Face
+            rlNormal3f(0.0f, 0.0f, - 1.0f);     // Normal Pointing Away From Viewer
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z - length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z - length/2);  // Bottom Left Of The Texture and Quad
+            // Top Face
+            rlNormal3f(0.0f, 1.0f, 0.0f);       // Normal Pointing Up
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y + height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y + height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2);  // Top Right Of The Texture and Quad
+            // Bottom Face
+            rlNormal3f(0.0f, - 1.0f, 0.0f);     // Normal Pointing Down
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y - height/2, z - length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y - height/2, z - length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            // Right face
+            rlNormal3f(1.0f, 0.0f, 0.0f);       // Normal Pointing Right
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z - length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z - length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x + width/2, y + height/2, z + length/2);  // Top Left Of The Texture and Quad
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x + width/2, y - height/2, z + length/2);  // Bottom Left Of The Texture and Quad
+            // Left Face
+            rlNormal3f( - 1.0f, 0.0f, 0.0f);    // Normal Pointing Left
+            rlTexCoord2f(0.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z - length/2);  // Bottom Left Of The Texture and Quad
+            rlTexCoord2f(1.0f, 0.0f); rlVertex3f(x - width/2, y - height/2, z + length/2);  // Bottom Right Of The Texture and Quad
+            rlTexCoord2f(1.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z + length/2);  // Top Right Of The Texture and Quad
+            rlTexCoord2f(0.0f, 1.0f); rlVertex3f(x - width/2, y + height/2, z - length/2);  // Top Left Of The Texture and Quad
+        rlEnd();
+    //rlPopMatrix();
+
+    rlSetTexture(0);
+}
+
+// Draw cube with texture piece applied to all faces
+void DrawCubeTextureRec(Texture2D texture, Rectangle source, Vector3 position, float width, float height, float length, Color color)
+{
+    float x = position.x;
+    float y = position.y;
+    float z = position.z;
+    float texWidth = (float)texture.width;
+    float texHeight = (float)texture.height;
+
+    // Set desired texture to be enabled while drawing following vertex data
+    rlSetTexture(texture.id);
+
+    // We calculate the normalized texture coordinates for the desired texture-source-rectangle
+    // It means converting from (tex.width, tex.height) coordinates to [0.0f, 1.0f] equivalent 
+    rlBegin(RL_QUADS);
+        rlColor4ub(color.r, color.g, color.b, color.a);
+
+        // Front face
+        rlNormal3f(0.0f, 0.0f, 1.0f);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z + length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z + length/2);
+
+        // Back face
+        rlNormal3f(0.0f, 0.0f, - 1.0f);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z - length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z - length/2);
+
+        // Top face
+        rlNormal3f(0.0f, 1.0f, 0.0f);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z - length/2);
+
+        // Bottom face
+        rlNormal3f(0.0f, - 1.0f, 0.0f);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z + length/2);
+
+        // Right face
+        rlNormal3f(1.0f, 0.0f, 0.0f);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z - length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z - length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x + width/2, y + height/2, z + length/2);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x + width/2, y - height/2, z + length/2);
+
+        // Left face
+        rlNormal3f( - 1.0f, 0.0f, 0.0f);
+        rlTexCoord2f(source.x/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z - length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, (source.y + source.height)/texHeight);
+        rlVertex3f(x - width/2, y - height/2, z + length/2);
+        rlTexCoord2f((source.x + source.width)/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z + length/2);
+        rlTexCoord2f(source.x/texWidth, source.y/texHeight);
+        rlVertex3f(x - width/2, y + height/2, z - length/2);
+
+    rlEnd();
+
+    rlSetTexture(0);
+}

examples/models/models_first_person_maze.c

@@ -0,0 +1,133 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - first person maze
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>           // Required for: free()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - first person maze");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.2f, 0.4f, 0.2f };    // Camera position
+    camera.target = (Vector3){ 0.185f, 0.4f, 0.0f };    // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+    Vector3 position = { 0.0f, 0.0f, 0.0f };            // Set model position
+
+    Image imMap = LoadImage("resources/cubicmap.png");      // Load cubicmap image (RAM)
+    Texture2D cubicmap = LoadTextureFromImage(imMap);       // Convert image to texture to display (VRAM)
+    Mesh mesh = GenMeshCubicmap(imMap, (Vector3){ 1.0f, 1.0f, 1.0f });
+    Model model = LoadModelFromMesh(mesh);
+
+    // NOTE: By default each cube is mapped to one part of texture atlas
+    Texture2D texture = LoadTexture("resources/cubicmap_atlas.png");    // Load map texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;    // Set map diffuse texture
+
+    // Get map image data to be used for collision detection
+    Color *mapPixels = LoadImageColors(imMap);
+    UnloadImage(imMap);             // Unload image from RAM
+
+    Vector3 mapPosition = { -16.0f, 0.0f, -8.0f };  // Set model position
+
+    DisableCursor();                // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        Vector3 oldCamPos = camera.position;    // Store old camera position
+
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Check player collision (we simplify to 2D collision detection)
+        Vector2 playerPos = { camera.position.x, camera.position.z };
+        float playerRadius = 0.1f;  // Collision radius (player is modelled as a cilinder for collision)
+
+        int playerCellX = (int)(playerPos.x - mapPosition.x + 0.5f);
+        int playerCellY = (int)(playerPos.y - mapPosition.z + 0.5f);
+
+        // Out-of-limits security check
+        if (playerCellX < 0) playerCellX = 0;
+        else if (playerCellX >= cubicmap.width) playerCellX = cubicmap.width - 1;
+
+        if (playerCellY < 0) playerCellY = 0;
+        else if (playerCellY >= cubicmap.height) playerCellY = cubicmap.height - 1;
+
+        // Check map collisions using image data and player position
+        // TODO: Improvement: Just check player surrounding cells for collision
+        for (int y = 0; y < cubicmap.height; y++)
+        {
+            for (int x = 0; x < cubicmap.width; x++)
+            {
+                if ((mapPixels[y*cubicmap.width + x].r == 255) &&       // Collision: white pixel, only check R channel
+                    (CheckCollisionCircleRec(playerPos, playerRadius,
+                    (Rectangle){ mapPosition.x - 0.5f + x*1.0f, mapPosition.z - 0.5f + y*1.0f, 1.0f, 1.0f })))
+                {
+                    // Collision detected, reset camera position
+                    camera.position = oldCamPos;
+                }
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+                DrawModel(model, mapPosition, 1.0f, WHITE);                     // Draw maze map
+            EndMode3D();
+
+            DrawTextureEx(cubicmap, (Vector2){ GetScreenWidth() - cubicmap.width*4.0f - 20, 20.0f }, 0.0f, 4.0f, WHITE);
+            DrawRectangleLines(GetScreenWidth() - cubicmap.width*4 - 20, 20, cubicmap.width*4, cubicmap.height*4, GREEN);
+
+            // Draw player position radar
+            DrawRectangle(GetScreenWidth() - cubicmap.width*4 - 20 + playerCellX*4, 20 + playerCellY*4, 4, 4, RED);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadImageColors(mapPixels);   // Unload color array
+
+    UnloadTexture(cubicmap);        // Unload cubicmap texture
+    UnloadTexture(texture);         // Unload map texture
+    UnloadModel(model);             // Unload map model
+
+    CloseWindow();                  // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_geometric_shapes.c

@@ -0,0 +1,88 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Draw some basic geometric shapes (cube, sphere, cylinder...)
+*
+*   Example originally created with raylib 1.0, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2014-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - geometric shapes");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 10.0f, 10.0f };
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+    camera.fovy = 45.0f;
+    camera.projection = CAMERA_PERSPECTIVE;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // TODO: Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawCube((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, RED);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, GOLD);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, -2.0f}, 3.0f, 6.0f, 2.0f, MAROON);
+
+                DrawSphere((Vector3){-1.0f, 0.0f, -2.0f}, 1.0f, GREEN);
+                DrawSphereWires((Vector3){1.0f, 0.0f, 2.0f}, 2.0f, 16, 16, LIME);
+
+                DrawCylinder((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, SKYBLUE);
+                DrawCylinderWires((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, DARKBLUE);
+                DrawCylinderWires((Vector3){4.5f, -1.0f, 2.0f}, 1.0f, 1.0f, 2.0f, 6, BROWN);
+
+                DrawCylinder((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, GOLD);
+                DrawCylinderWires((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, PINK);
+
+                DrawCapsule     ((Vector3){-3.0f, 1.5f, -4.0f}, (Vector3){-4.0f, -1.0f, -4.0f}, 1.2f, 8, 8, VIOLET);
+                DrawCapsuleWires((Vector3){-3.0f, 1.5f, -4.0f}, (Vector3){-4.0f, -1.0f, -4.0f}, 1.2f, 8, 8, PURPLE);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_heightmap.c

@@ -0,0 +1,90 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Heightmap loading and drawing
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 3.5
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2015-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - heightmap loading and drawing");
+
+    // Define our custom camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 18.0f, 21.0f, 18.0f };     // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };          // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };              // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                    // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                 // Camera projection type
+
+    Image image = LoadImage("resources/heightmap.png");     // Load heightmap image (RAM)
+    Texture2D texture = LoadTextureFromImage(image);        // Convert image to texture (VRAM)
+
+    Mesh mesh = GenMeshHeightmap(image, (Vector3){ 16, 8, 16 }); // Generate heightmap mesh (RAM and VRAM)
+    Model model = LoadModelFromMesh(mesh);                  // Load model from generated mesh
+
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set map diffuse texture
+    Vector3 mapPosition = { -8.0f, 0.0f, -8.0f };           // Define model position
+
+    UnloadImage(image);             // Unload heightmap image from RAM, already uploaded to VRAM
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, mapPosition, 1.0f, RED);
+
+                DrawGrid(20, 1.0f);
+
+            EndMode3D();
+
+            DrawTexture(texture, screenWidth - texture.width - 20, 20, WHITE);
+            DrawRectangleLines(screenWidth - texture.width - 20, 20, texture.width, texture.height, GREEN);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_loading.c

@@ -0,0 +1,153 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Models loading
+*
+*   NOTE: raylib supports multiple models file formats:
+*
+*     - OBJ  > Text file format. Must include vertex position-texcoords-normals information,
+*              if files references some .mtl materials file, it will be loaded (or try to).
+*     - GLTF > Text/binary file format. Includes lot of information and it could
+*              also reference external files, raylib will try loading mesh and materials data.
+*     - IQM  > Binary file format. Includes mesh vertex data but also animation data,
+*              raylib can load .iqm animations.
+*     - VOX  > Binary file format. MagikaVoxel mesh format:
+*              https://github.com/ephtracy/voxel-model/blob/master/MagicaVoxel-file-format-vox.txt
+*     - M3D  > Binary file format. Model 3D format:
+*              https://bztsrc.gitlab.io/model3d
+*
+*   Example originally created with raylib 2.0, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2014-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - models loading");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 50.0f, 50.0f, 50.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 10.0f, 0.0f };     // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;                   // Camera mode type
+
+    Model model = LoadModel("resources/models/obj/castle.obj");                 // Load model
+    Texture2D texture = LoadTexture("resources/models/obj/castle_diffuse.png"); // Load model texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;            // Set map diffuse texture
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };                    // Set model position
+
+    BoundingBox bounds = GetMeshBoundingBox(model.meshes[0]);   // Set model bounds
+
+    // NOTE: bounds are calculated from the original size of the model,
+    // if model is scaled on drawing, bounds must be also scaled
+
+    bool selected = false;          // Selected object flag
+
+    DisableCursor();                // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Load new models/textures on drag&drop
+        if (IsFileDropped())
+        {
+            FilePathList droppedFiles = LoadDroppedFiles();
+
+            if (droppedFiles.count == 1) // Only support one file dropped
+            {
+                if (IsFileExtension(droppedFiles.paths[0], ".obj") ||
+                    IsFileExtension(droppedFiles.paths[0], ".gltf") ||
+                    IsFileExtension(droppedFiles.paths[0], ".glb") ||
+                    IsFileExtension(droppedFiles.paths[0], ".vox") ||
+                    IsFileExtension(droppedFiles.paths[0], ".iqm") ||
+                    IsFileExtension(droppedFiles.paths[0], ".m3d"))       // Model file formats supported
+                {
+                    UnloadModel(model);                         // Unload previous model
+                    model = LoadModel(droppedFiles.paths[0]);   // Load new model
+                    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set current map diffuse texture
+
+                    bounds = GetMeshBoundingBox(model.meshes[0]);
+
+                    // TODO: Move camera position from target enough distance to visualize model properly
+                }
+                else if (IsFileExtension(droppedFiles.paths[0], ".png"))  // Texture file formats supported
+                {
+                    // Unload current model texture and load new one
+                    UnloadTexture(texture);
+                    texture = LoadTexture(droppedFiles.paths[0]);
+                    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;
+                }
+            }
+
+            UnloadDroppedFiles(droppedFiles);    // Unload filepaths from memory
+        }
+
+        // Select model on mouse click
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+        {
+            // Check collision between ray and box
+            if (GetRayCollisionBox(GetMouseRay(GetMousePosition(), camera), bounds).hit) selected = !selected;
+            else selected = false;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, position, 1.0f, WHITE);        // Draw 3d model with texture
+
+                DrawGrid(20, 10.0f);         // Draw a grid
+
+                if (selected) DrawBoundingBox(bounds, GREEN);   // Draw selection box
+
+            EndMode3D();
+
+            DrawText("Drag & drop model to load mesh/texture.", 10, GetScreenHeight() - 20, 10, DARKGRAY);
+            if (selected) DrawText("MODEL SELECTED", GetScreenWidth() - 110, 10, 10, GREEN);
+
+            DrawText("(c) Castle 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_loading_gltf.c

@@ -0,0 +1,102 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - loading gltf with animations
+*
+*   LIMITATIONS:
+*     - Only supports 1 armature per file, and skips loading it if there are multiple armatures
+*     - Only supports linear interpolation (default method in Blender when checked 
+*       "Always Sample Animations" when exporting a GLTF file)
+*     - Only supports translation/rotation/scale animation channel.path, 
+*       weights not considered (i.e. morph targets)
+*
+*   Example originally created with raylib 3.7, last time updated with raylib 4.2
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2020-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - loading gltf");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 5.0f, 5.0f, 5.0f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 2.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Load gltf model
+    Model model = LoadModel("resources/models/gltf/robot.glb");
+    
+    // Load gltf model animations
+    unsigned int animsCount = 0;
+    unsigned int animIndex = 0;
+    unsigned int animCurrentFrame = 0;
+    ModelAnimation *modelAnimations = LoadModelAnimations("resources/models/gltf/robot.glb", &animsCount);
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };    // Set model position
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_THIRD_PERSON);
+        // Select current animation
+        if (IsKeyPressed(KEY_UP)) animIndex = (animIndex + 1)%animsCount;
+        else if (IsKeyPressed(KEY_DOWN)) animIndex = (animIndex + animsCount - 1)%animsCount;
+        
+        // Update model animation
+        ModelAnimation anim = modelAnimations[animIndex];
+        animCurrentFrame = (animCurrentFrame + 1)%anim.frameCount;
+        UpdateModelAnimation(model, anim, animCurrentFrame);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawModel(model, position, 1.0f, WHITE);    // Draw animated model
+                DrawGrid(10, 1.0f);
+
+            EndMode3D();
+
+            DrawText("Use the UP/DOWN arrow keys to switch animation", 10, 10, 20, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(model);         // Unload model and meshes/material
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_loading_m3d.c

@@ -0,0 +1,173 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load models M3D
+*
+*   Example originally created with raylib 4.5, last time updated with raylib 4.5
+*
+*   Example contributed by bzt (@bztsrc) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   NOTES:
+*     - Model3D (M3D) fileformat specs: https://gitlab.com/bztsrc/model3d
+*     - Bender M3D exported: https://gitlab.com/bztsrc/model3d/-/tree/master/blender
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2022-2023 bzt (@bztsrc)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - M3D model loading");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 1.5f, 1.5f, 1.5f };    // Camera position
+    camera.target = (Vector3){ 0.0f, 0.4f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Vector3 position = { 0.0f, 0.0f, 0.0f };            // Set model position
+    
+    char modelFileName[128] = "resources/models/m3d/cesium_man.m3d";
+    bool drawMesh = 1;
+    bool drawSkeleton = 1;
+    bool animPlaying = false;   // Store anim state, what to draw
+
+    // Load model
+    Model model = LoadModel(modelFileName); // Load the bind-pose model mesh and basic data
+
+    // Load animations
+    unsigned int animsCount = 0;
+    int animFrameCounter = 0, animId = 0;
+    ModelAnimation *anims = LoadModelAnimations(modelFileName, &animsCount); // Load skeletal animation data
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        if (animsCount)
+        {
+            // Play animation when spacebar is held down (or step one frame with N)
+            if (IsKeyDown(KEY_SPACE) || IsKeyPressed(KEY_N))
+            {
+                animFrameCounter++;
+                
+                if (animFrameCounter >= anims[animId].frameCount) animFrameCounter = 0;
+                
+                UpdateModelAnimation(model, anims[animId], animFrameCounter);
+                animPlaying = true;
+            }
+            
+            // Select animation by pressing A
+            if (IsKeyPressed(KEY_A))
+            {
+                animFrameCounter = 0;
+                animId++;
+                
+                if (animId >= animsCount) animId = 0;
+                UpdateModelAnimation(model, anims[animId], 0);
+                animPlaying = true;
+            }
+        }
+        
+        // Toggle skeleton drawing
+        if (IsKeyPressed(KEY_S)) drawSkeleton ^= 1;
+
+        // Toggle mesh drawing
+        if (IsKeyPressed(KEY_M)) drawMesh ^= 1;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw 3d model with texture
+                if (drawMesh) DrawModel(model, position, 1.0f, WHITE);
+
+                // Draw the animated skeleton
+                if (drawSkeleton)
+                {
+                    // Loop to (boneCount - 1) because the last one is a special "no bone" bone, 
+                    // needed to workaround buggy models
+                    // without a -1, we would always draw a cube at the origin
+                    for (int i = 0; i < model.boneCount - 1; i++)
+                    {
+                        // By default the model is loaded in bind-pose by LoadModel(). 
+                        // But if UpdateModelAnimation() has been called at least once 
+                        // then the model is already in animation pose, so we need the animated skeleton
+                        if (!animPlaying || !animsCount)
+                        {
+                            // Display the bind-pose skeleton
+                            DrawCube(model.bindPose[i].translation, 0.04f, 0.04f, 0.04f, RED);
+                            
+                            if (model.bones[i].parent >= 0)
+                            {
+                                DrawLine3D(model.bindPose[i].translation,
+                                    model.bindPose[model.bones[i].parent].translation, RED);
+                            }
+                        }
+                        else
+                        {
+                            // Display the frame-pose skeleton
+                            DrawCube(anims[animId].framePoses[animFrameCounter][i].translation, 0.05f, 0.05f, 0.05f, RED);
+                            
+                            if (anims[animId].bones[i].parent >= 0)
+                            {
+                                DrawLine3D(anims[animId].framePoses[animFrameCounter][i].translation,
+                                    anims[animId].framePoses[animFrameCounter][anims[animId].bones[i].parent].translation, RED);
+                            }
+                        }
+                    }
+                }
+
+                DrawGrid(10, 1.0f);         // Draw a grid
+
+            EndMode3D();
+
+            DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, GetScreenHeight() - 60, 10, MAROON);
+            DrawText("PRESS A to CYCLE THROUGH ANIMATIONS", 10, GetScreenHeight() - 40, 10, DARKGRAY);
+            DrawText("PRESS M to toggle MESH, S to toggle SKELETON DRAWING", 10, GetScreenHeight() - 20, 10, DARKGRAY);
+            DrawText("(c) CesiumMan model by KhronosGroup", GetScreenWidth() - 210, GetScreenHeight() - 20, 10, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+
+    // Unload model animations data
+    UnloadModelAnimations(anims, animsCount);
+
+    UnloadModel(model);         // Unload model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_loading_vox.c

@@ -0,0 +1,133 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Load models vox (MagicaVoxel)
+*
+*   Example originally created with raylib 4.0, last time updated with raylib 4.0
+*
+*   Example contributed by Johann Nadalutti (@procfxgen) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2021-2023 Johann Nadalutti (@procfxgen) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"        // Required for: MatrixTranslate()
+
+#define MAX_VOX_FILES  3
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    const char *voxFileNames[] = {
+        "resources/models/vox/chr_knight.vox",
+        "resources/models/vox/chr_sword.vox",
+        "resources/models/vox/monu9.vox"
+    };
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - magicavoxel loading");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Load MagicaVoxel files
+    Model models[MAX_VOX_FILES] = { 0 };
+
+    for (int i = 0; i < MAX_VOX_FILES; i++)
+    {
+        // Load VOX file and measure time
+        double t0 = GetTime()*1000.0;
+        models[i] = LoadModel(voxFileNames[i]);
+        double t1 = GetTime()*1000.0;
+
+        TraceLog(LOG_WARNING, TextFormat("[%s] File loaded in %.3f ms", voxFileNames[i], t1 - t0));
+
+        // Compute model translation matrix to center model on draw position (0, 0 , 0)
+        BoundingBox bb = GetModelBoundingBox(models[i]);
+        Vector3 center = { 0 };
+        center.x = bb.min.x  + (((bb.max.x - bb.min.x)/2));
+        center.z = bb.min.z  + (((bb.max.z - bb.min.z)/2));
+
+        Matrix matTranslate = MatrixTranslate(-center.x, 0, -center.z);
+        models[i].transform = matTranslate;
+    }
+
+    int currentModel = 0;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        // Cycle between models on mouse click
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) currentModel = (currentModel + 1)%MAX_VOX_FILES;
+
+        // Cycle between models on key pressed
+        if (IsKeyPressed(KEY_RIGHT))
+        {
+            currentModel++;
+            if (currentModel >= MAX_VOX_FILES) currentModel = 0;
+        }
+        else if (IsKeyPressed(KEY_LEFT))
+        {
+            currentModel--;
+            if (currentModel < 0) currentModel = MAX_VOX_FILES - 1;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            // Draw 3D model
+            BeginMode3D(camera);
+
+                DrawModel(models[currentModel], (Vector3){ 0, 0, 0 }, 1.0f, WHITE);
+                DrawGrid(10, 1.0);
+
+            EndMode3D();
+
+            // Display info
+            DrawRectangle(10, 400, 310, 30, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(10, 400, 310, 30, Fade(DARKBLUE, 0.5f));
+            DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
+            DrawText(TextFormat("File: %s", GetFileName(voxFileNames[currentModel])), 10, 10, 20, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    // Unload models data (GPU VRAM)
+    for (int i = 0; i < MAX_VOX_FILES; i++) UnloadModel(models[i]);
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+

examples/models/models_mesh_generation.c

@@ -0,0 +1,190 @@
+/*******************************************************************************************
+*
+*   raylib example - procedural mesh generation
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define NUM_MODELS  9               // Parametric 3d shapes to generate
+
+static Mesh GenMeshCustom(void);    // Generate a simple triangle mesh from code
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh generation");
+
+    // We generate a checked image for texturing
+    Image checked = GenImageChecked(2, 2, 1, 1, RED, GREEN);
+    Texture2D texture = LoadTextureFromImage(checked);
+    UnloadImage(checked);
+
+    Model models[NUM_MODELS] = { 0 };
+
+    models[0] = LoadModelFromMesh(GenMeshPlane(2, 2, 5, 5));
+    models[1] = LoadModelFromMesh(GenMeshCube(2.0f, 1.0f, 2.0f));
+    models[2] = LoadModelFromMesh(GenMeshSphere(2, 32, 32));
+    models[3] = LoadModelFromMesh(GenMeshHemiSphere(2, 16, 16));
+    models[4] = LoadModelFromMesh(GenMeshCylinder(1, 2, 16));
+    models[5] = LoadModelFromMesh(GenMeshTorus(0.25f, 4.0f, 16, 32));
+    models[6] = LoadModelFromMesh(GenMeshKnot(1.0f, 2.0f, 16, 128));
+    models[7] = LoadModelFromMesh(GenMeshPoly(5, 2.0f));
+    models[8] = LoadModelFromMesh(GenMeshCustom());
+    
+    // Generated meshes could be exported as .obj files
+    //ExportMesh(models[0].meshes[0], "plane.obj");
+    //ExportMesh(models[1].meshes[0], "cube.obj");
+    //ExportMesh(models[2].meshes[0], "sphere.obj");
+    //ExportMesh(models[3].meshes[0], "hemisphere.obj");
+    //ExportMesh(models[4].meshes[0], "cylinder.obj");
+    //ExportMesh(models[5].meshes[0], "torus.obj");
+    //ExportMesh(models[6].meshes[0], "knot.obj");
+    //ExportMesh(models[7].meshes[0], "poly.obj");
+    //ExportMesh(models[8].meshes[0], "custom.obj");
+
+    // Set checked texture as default diffuse component for all models material
+    for (int i = 0; i < NUM_MODELS; i++) models[i].materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;
+
+    // Define the camera to look into our 3d world
+    Camera camera = { { 5.0f, 5.0f, 5.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
+
+    // Model drawing position
+    Vector3 position = { 0.0f, 0.0f, 0.0f };
+
+    int currentModel = 0;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+        {
+            currentModel = (currentModel + 1)%NUM_MODELS; // Cycle between the textures
+        }
+
+        if (IsKeyPressed(KEY_RIGHT))
+        {
+            currentModel++;
+            if (currentModel >= NUM_MODELS) currentModel = 0;
+        }
+        else if (IsKeyPressed(KEY_LEFT))
+        {
+            currentModel--;
+            if (currentModel < 0) currentModel = NUM_MODELS - 1;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+               DrawModel(models[currentModel], position, 1.0f, WHITE);
+               DrawGrid(10, 1.0);
+
+            EndMode3D();
+
+            DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
+            DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL MODELS", 40, 410, 10, BLUE);
+
+            switch(currentModel)
+            {
+                case 0: DrawText("PLANE", 680, 10, 20, DARKBLUE); break;
+                case 1: DrawText("CUBE", 680, 10, 20, DARKBLUE); break;
+                case 2: DrawText("SPHERE", 680, 10, 20, DARKBLUE); break;
+                case 3: DrawText("HEMISPHERE", 640, 10, 20, DARKBLUE); break;
+                case 4: DrawText("CYLINDER", 680, 10, 20, DARKBLUE); break;
+                case 5: DrawText("TORUS", 680, 10, 20, DARKBLUE); break;
+                case 6: DrawText("KNOT", 680, 10, 20, DARKBLUE); break;
+                case 7: DrawText("POLY", 680, 10, 20, DARKBLUE); break;
+                case 8: DrawText("Custom (triangle)", 580, 10, 20, DARKBLUE); break;
+                default: break;
+            }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(texture); // Unload texture
+
+    // Unload models data (GPU VRAM)
+    for (int i = 0; i < NUM_MODELS; i++) UnloadModel(models[i]);
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+// Generate a simple triangle mesh from code
+static Mesh GenMeshCustom(void)
+{
+    Mesh mesh = { 0 };
+    mesh.triangleCount = 1;
+    mesh.vertexCount = mesh.triangleCount*3;
+    mesh.vertices = (float *)MemAlloc(mesh.vertexCount*3*sizeof(float));    // 3 vertices, 3 coordinates each (x, y, z)
+    mesh.texcoords = (float *)MemAlloc(mesh.vertexCount*2*sizeof(float));   // 3 vertices, 2 coordinates each (x, y)
+    mesh.normals = (float *)MemAlloc(mesh.vertexCount*3*sizeof(float));     // 3 vertices, 3 coordinates each (x, y, z)
+
+    // Vertex at (0, 0, 0)
+    mesh.vertices[0] = 0;
+    mesh.vertices[1] = 0;
+    mesh.vertices[2] = 0;
+    mesh.normals[0] = 0;
+    mesh.normals[1] = 1;
+    mesh.normals[2] = 0;
+    mesh.texcoords[0] = 0;
+    mesh.texcoords[1] = 0;
+
+    // Vertex at (1, 0, 2)
+    mesh.vertices[3] = 1;
+    mesh.vertices[4] = 0;
+    mesh.vertices[5] = 2;
+    mesh.normals[3] = 0;
+    mesh.normals[4] = 1;
+    mesh.normals[5] = 0;
+    mesh.texcoords[2] = 0.5f;
+    mesh.texcoords[3] = 1.0f;
+
+    // Vertex at (2, 0, 0)
+    mesh.vertices[6] = 2;
+    mesh.vertices[7] = 0;
+    mesh.vertices[8] = 0;
+    mesh.normals[6] = 0;
+    mesh.normals[7] = 1;
+    mesh.normals[8] = 0;
+    mesh.texcoords[4] = 1;
+    mesh.texcoords[5] =0;
+
+    // Upload mesh data from CPU (RAM) to GPU (VRAM) memory
+    UploadMesh(&mesh, false);
+
+    return mesh;
+}

examples/models/models_mesh_picking.c

@@ -0,0 +1,246 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Mesh picking in 3d mode, ground plane, triangle, mesh
+*
+*   Example originally created with raylib 1.7, last time updated with raylib 4.0
+*
+*   Example contributed by Joel Davis (@joeld42) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2023 Joel Davis (@joeld42) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "raymath.h"
+
+#define FLT_MAX     340282346638528859811704183484516925440.0f     // Maximum value of a float, from bit pattern 01111111011111111111111111111111
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - mesh picking");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 20.0f, 20.0f, 20.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 8.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.6f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    Ray ray = { 0 };        // Picking ray
+
+    Model tower = LoadModel("resources/models/obj/turret.obj");                 // Load OBJ model
+    Texture2D texture = LoadTexture("resources/models/obj/turret_diffuse.png"); // Load model texture
+    tower.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;            // Set model diffuse texture
+
+    Vector3 towerPos = { 0.0f, 0.0f, 0.0f };                        // Set model position
+    BoundingBox towerBBox = GetMeshBoundingBox(tower.meshes[0]);    // Get mesh bounding box
+
+    // Ground quad
+    Vector3 g0 = (Vector3){ -50.0f, 0.0f, -50.0f };
+    Vector3 g1 = (Vector3){ -50.0f, 0.0f,  50.0f };
+    Vector3 g2 = (Vector3){  50.0f, 0.0f,  50.0f };
+    Vector3 g3 = (Vector3){  50.0f, 0.0f, -50.0f };
+
+    // Test triangle
+    Vector3 ta = (Vector3){ -25.0f, 0.5f, 0.0f };
+    Vector3 tb = (Vector3){ -4.0f, 2.5f, 1.0f };
+    Vector3 tc = (Vector3){ -8.0f, 6.5f, 0.0f };
+
+    Vector3 bary = { 0.0f, 0.0f, 0.0f };
+
+    // Test sphere
+    Vector3 sp = (Vector3){ -30.0f, 5.0f, 5.0f };
+    float sr = 4.0f;
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsCursorHidden()) UpdateCamera(&camera, CAMERA_FIRST_PERSON);          // Update camera
+
+        // Toggle camera controls
+        if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT))
+        {
+            if (IsCursorHidden()) EnableCursor();
+            else DisableCursor();
+        }
+
+        // Display information about closest hit
+        RayCollision collision = { 0 };
+        char *hitObjectName = "None";
+        collision.distance = FLT_MAX;
+        collision.hit = false;
+        Color cursorColor = WHITE;
+
+        // Get ray and test against objects
+        ray = GetMouseRay(GetMousePosition(), camera);
+
+        // Check ray collision against ground quad
+        RayCollision groundHitInfo = GetRayCollisionQuad(ray, g0, g1, g2, g3);
+
+        if ((groundHitInfo.hit) && (groundHitInfo.distance < collision.distance))
+        {
+            collision = groundHitInfo;
+            cursorColor = GREEN;
+            hitObjectName = "Ground";
+        }
+
+        // Check ray collision against test triangle
+        RayCollision triHitInfo = GetRayCollisionTriangle(ray, ta, tb, tc);
+
+        if ((triHitInfo.hit) && (triHitInfo.distance < collision.distance))
+        {
+            collision = triHitInfo;
+            cursorColor = PURPLE;
+            hitObjectName = "Triangle";
+
+            bary = Vector3Barycenter(collision.point, ta, tb, tc);
+        }
+
+        // Check ray collision against test sphere
+        RayCollision sphereHitInfo = GetRayCollisionSphere(ray, sp, sr);
+
+        if ((sphereHitInfo.hit) && (sphereHitInfo.distance < collision.distance))
+        {
+            collision = sphereHitInfo;
+            cursorColor = ORANGE;
+            hitObjectName = "Sphere";
+        }
+
+        // Check ray collision against bounding box first, before trying the full ray-mesh test
+        RayCollision boxHitInfo = GetRayCollisionBox(ray, towerBBox);
+
+        if ((boxHitInfo.hit) && (boxHitInfo.distance < collision.distance))
+        {
+            collision = boxHitInfo;
+            cursorColor = ORANGE;
+            hitObjectName = "Box";
+
+            // Check ray collision against model meshes
+            RayCollision meshHitInfo = { 0 };
+            for (int m = 0; m < tower.meshCount; m++)
+            {
+                // NOTE: We consider the model.transform for the collision check but 
+                // it can be checked against any transform Matrix, used when checking against same
+                // model drawn multiple times with multiple transforms
+                meshHitInfo = GetRayCollisionMesh(ray, tower.meshes[m], tower.transform);
+                if (meshHitInfo.hit)
+                {
+                    // Save the closest hit mesh
+                    if ((!collision.hit) || (collision.distance > meshHitInfo.distance)) collision = meshHitInfo;
+                    
+                    break;  // Stop once one mesh collision is detected, the colliding mesh is m
+                }
+            }
+
+            if (meshHitInfo.hit)
+            {
+                collision = meshHitInfo;
+                cursorColor = ORANGE;
+                hitObjectName = "Mesh";
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // Draw the tower
+                // WARNING: If scale is different than 1.0f,
+                // not considered by GetRayCollisionModel()
+                DrawModel(tower, towerPos, 1.0f, WHITE);
+
+                // Draw the test triangle
+                DrawLine3D(ta, tb, PURPLE);
+                DrawLine3D(tb, tc, PURPLE);
+                DrawLine3D(tc, ta, PURPLE);
+
+                // Draw the test sphere
+                DrawSphereWires(sp, sr, 8, 8, PURPLE);
+
+                // Draw the mesh bbox if we hit it
+                if (boxHitInfo.hit) DrawBoundingBox(towerBBox, LIME);
+
+                // If we hit something, draw the cursor at the hit point
+                if (collision.hit)
+                {
+                    DrawCube(collision.point, 0.3f, 0.3f, 0.3f, cursorColor);
+                    DrawCubeWires(collision.point, 0.3f, 0.3f, 0.3f, RED);
+
+                    Vector3 normalEnd;
+                    normalEnd.x = collision.point.x + collision.normal.x;
+                    normalEnd.y = collision.point.y + collision.normal.y;
+                    normalEnd.z = collision.point.z + collision.normal.z;
+
+                    DrawLine3D(collision.point, normalEnd, RED);
+                }
+
+                DrawRay(ray, MAROON);
+
+                DrawGrid(10, 10.0f);
+
+            EndMode3D();
+
+            // Draw some debug GUI text
+            DrawText(TextFormat("Hit Object: %s", hitObjectName), 10, 50, 10, BLACK);
+
+            if (collision.hit)
+            {
+                int ypos = 70;
+
+                DrawText(TextFormat("Distance: %3.2f", collision.distance), 10, ypos, 10, BLACK);
+
+                DrawText(TextFormat("Hit Pos: %3.2f %3.2f %3.2f",
+                                    collision.point.x,
+                                    collision.point.y,
+                                    collision.point.z), 10, ypos + 15, 10, BLACK);
+
+                DrawText(TextFormat("Hit Norm: %3.2f %3.2f %3.2f",
+                                    collision.normal.x,
+                                    collision.normal.y,
+                                    collision.normal.z), 10, ypos + 30, 10, BLACK);
+
+                if (triHitInfo.hit && TextIsEqual(hitObjectName, "Triangle"))
+                    DrawText(TextFormat("Barycenter: %3.2f %3.2f %3.2f",  bary.x, bary.y, bary.z), 10, ypos + 45, 10, BLACK);
+            }
+
+            DrawText("Right click mouse to toggle camera controls", 10, 430, 10, GRAY);
+
+            DrawText("(c) Turret 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(tower);         // Unload model
+    UnloadTexture(texture);     // Unload texture
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_orthographic_projection.c

@@ -0,0 +1,102 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Show the difference between perspective and orthographic projection
+*
+*   Example originally created with raylib 2.0, last time updated with raylib 3.7
+*
+*   Example contributed by Max Danielsson (@autious) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2018-2023 Max Danielsson (@autious) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define FOVY_PERSPECTIVE    45.0f
+#define WIDTH_ORTHOGRAPHIC  10.0f
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - geometric shapes");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { { 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, FOVY_PERSPECTIVE, CAMERA_PERSPECTIVE };
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KEY_SPACE))
+        {
+            if (camera.projection == CAMERA_PERSPECTIVE)
+            {
+                camera.fovy = WIDTH_ORTHOGRAPHIC;
+                camera.projection = CAMERA_ORTHOGRAPHIC;
+            }
+            else
+            {
+                camera.fovy = FOVY_PERSPECTIVE;
+                camera.projection = CAMERA_PERSPECTIVE;
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawCube((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, RED);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, 2.0f}, 2.0f, 5.0f, 2.0f, GOLD);
+                DrawCubeWires((Vector3){-4.0f, 0.0f, -2.0f}, 3.0f, 6.0f, 2.0f, MAROON);
+
+                DrawSphere((Vector3){-1.0f, 0.0f, -2.0f}, 1.0f, GREEN);
+                DrawSphereWires((Vector3){1.0f, 0.0f, 2.0f}, 2.0f, 16, 16, LIME);
+
+                DrawCylinder((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, SKYBLUE);
+                DrawCylinderWires((Vector3){4.0f, 0.0f, -2.0f}, 1.0f, 2.0f, 3.0f, 4, DARKBLUE);
+                DrawCylinderWires((Vector3){4.5f, -1.0f, 2.0f}, 1.0f, 1.0f, 2.0f, 6, BROWN);
+
+                DrawCylinder((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, GOLD);
+                DrawCylinderWires((Vector3){1.0f, 0.0f, -4.0f}, 0.0f, 1.5f, 3.0f, 8, PINK);
+
+                DrawGrid(10, 1.0f);        // Draw a grid
+
+            EndMode3D();
+
+            DrawText("Press Spacebar to switch camera type", 10, GetScreenHeight() - 30, 20, DARKGRAY);
+
+            if (camera.projection == CAMERA_ORTHOGRAPHIC) DrawText("ORTHOGRAPHIC", 10, 40, 20, BLACK);
+            else if (camera.projection == CAMERA_PERSPECTIVE) DrawText("PERSPECTIVE", 10, 40, 20, BLACK);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_rlgl_solar_system.c

@@ -0,0 +1,172 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - rlgl module usage with push/pop matrix transformations
+*
+*   NOTE: This example uses [rlgl] module functionality (pseudo-OpenGL 1.1 style coding)
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2018-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+#include "rlgl.h"
+
+#include <math.h>           // Required for: cosf(), sinf()
+
+//------------------------------------------------------------------------------------
+// Module Functions Declaration
+//------------------------------------------------------------------------------------
+void DrawSphereBasic(Color color);      // Draw sphere without any matrix transformation
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    const float sunRadius = 4.0f;
+    const float earthRadius = 0.6f;
+    const float earthOrbitRadius = 8.0f;
+    const float moonRadius = 0.16f;
+    const float moonOrbitRadius = 1.5f;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl module usage with push/pop matrix transformations");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 16.0f, 16.0f, 16.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    float rotationSpeed = 0.2f;         // General system rotation speed
+
+    float earthRotation = 0.0f;         // Rotation of earth around itself (days) in degrees
+    float earthOrbitRotation = 0.0f;    // Rotation of earth around the Sun (years) in degrees
+    float moonRotation = 0.0f;          // Rotation of moon around itself
+    float moonOrbitRotation = 0.0f;     // Rotation of moon around earth in degrees
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_ORBITAL);
+
+        earthRotation += (5.0f*rotationSpeed);
+        earthOrbitRotation += (365/360.0f*(5.0f*rotationSpeed)*rotationSpeed);
+        moonRotation += (2.0f*rotationSpeed);
+        moonOrbitRotation += (8.0f*rotationSpeed);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                rlPushMatrix();
+                    rlScalef(sunRadius, sunRadius, sunRadius);          // Scale Sun
+                    DrawSphereBasic(GOLD);                              // Draw the Sun
+                rlPopMatrix();
+
+                rlPushMatrix();
+                    rlRotatef(earthOrbitRotation, 0.0f, 1.0f, 0.0f);    // Rotation for Earth orbit around Sun
+                    rlTranslatef(earthOrbitRadius, 0.0f, 0.0f);         // Translation for Earth orbit
+
+                    rlPushMatrix();
+                        rlRotatef(earthRotation, 0.25, 1.0, 0.0);       // Rotation for Earth itself
+                        rlScalef(earthRadius, earthRadius, earthRadius);// Scale Earth
+
+                        DrawSphereBasic(BLUE);                          // Draw the Earth
+                    rlPopMatrix();
+
+                    rlRotatef(moonOrbitRotation, 0.0f, 1.0f, 0.0f);     // Rotation for Moon orbit around Earth
+                    rlTranslatef(moonOrbitRadius, 0.0f, 0.0f);          // Translation for Moon orbit
+                    rlRotatef(moonRotation, 0.0f, 1.0f, 0.0f);          // Rotation for Moon itself
+                    rlScalef(moonRadius, moonRadius, moonRadius);       // Scale Moon
+
+                    DrawSphereBasic(LIGHTGRAY);                         // Draw the Moon
+                rlPopMatrix();
+
+                // Some reference elements (not affected by previous matrix transformations)
+                DrawCircle3D((Vector3){ 0.0f, 0.0f, 0.0f }, earthOrbitRadius, (Vector3){ 1, 0, 0 }, 90.0f, Fade(RED, 0.5f));
+                DrawGrid(20, 1.0f);
+
+            EndMode3D();
+
+            DrawText("EARTH ORBITING AROUND THE SUN!", 400, 10, 20, MAROON);
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+//--------------------------------------------------------------------------------------------
+// Module Functions Definitions (local)
+//--------------------------------------------------------------------------------------------
+
+// Draw sphere without any matrix transformation
+// NOTE: Sphere is drawn in world position ( 0, 0, 0 ) with radius 1.0f
+void DrawSphereBasic(Color color)
+{
+    int rings = 16;
+    int slices = 16;
+
+    // Make sure there is enough space in the internal render batch
+    // buffer to store all required vertex, batch is reseted if required
+    rlCheckRenderBatchLimit((rings + 2)*slices*6);
+
+    rlBegin(RL_TRIANGLES);
+        rlColor4ub(color.r, color.g, color.b, color.a);
+
+        for (int i = 0; i < (rings + 2); i++)
+        {
+            for (int j = 0; j < slices; j++)
+            {
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*i))*sinf(DEG2RAD*(j*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*i)),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*i))*cosf(DEG2RAD*(j*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*((j+1)*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*((j+1)*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*(j*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*(j*360/slices)));
+
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*i))*sinf(DEG2RAD*(j*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*i)),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*i))*cosf(DEG2RAD*(j*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i)))*sinf(DEG2RAD*((j+1)*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i)))*cosf(DEG2RAD*((j+1)*360/slices)));
+                rlVertex3f(cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*sinf(DEG2RAD*((j+1)*360/slices)),
+                           sinf(DEG2RAD*(270+(180/(rings + 1))*(i+1))),
+                           cosf(DEG2RAD*(270+(180/(rings + 1))*(i+1)))*cosf(DEG2RAD*((j+1)*360/slices)));
+            }
+        }
+    rlEnd();
+}

examples/models/models_skybox.c

@@ -0,0 +1,271 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Skybox loading and drawing
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 4.0
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2023 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "rlgl.h"
+#include "raymath.h"      // Required for: MatrixPerspective(), MatrixLookAt()
+
+#if defined(PLATFORM_DESKTOP)
+    #define GLSL_VERSION            330
+#else   // PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB
+    #define GLSL_VERSION            100
+#endif
+
+// Generate cubemap (6 faces) from equirectangular (panorama) texture
+static TextureCubemap GenTextureCubemap(Shader shader, Texture2D panorama, int size, int format);
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox loading and drawing");
+
+    // Define the camera to look into our 3d world
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 1.0f, 1.0f, 1.0f };    // Camera position
+    camera.target = (Vector3){ 4.0f, 1.0f, 4.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 45.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Load skybox model
+    Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
+    Model skybox = LoadModelFromMesh(cube);
+
+    bool useHDR = true;
+
+    // Load skybox shader and set required locations
+    // NOTE: Some locations are automatically set at shader loading
+    skybox.materials[0].shader = LoadShader(TextFormat("resources/shaders/glsl%i/skybox.vs", GLSL_VERSION),
+                                            TextFormat("resources/shaders/glsl%i/skybox.fs", GLSL_VERSION));
+
+    SetShaderValue(skybox.materials[0].shader, GetShaderLocation(skybox.materials[0].shader, "environmentMap"), (int[1]){ MATERIAL_MAP_CUBEMAP }, SHADER_UNIFORM_INT);
+    SetShaderValue(skybox.materials[0].shader, GetShaderLocation(skybox.materials[0].shader, "doGamma"), (int[1]) { useHDR ? 1 : 0 }, SHADER_UNIFORM_INT);
+    SetShaderValue(skybox.materials[0].shader, GetShaderLocation(skybox.materials[0].shader, "vflipped"), (int[1]){ useHDR ? 1 : 0 }, SHADER_UNIFORM_INT);
+
+    // Load cubemap shader and setup required shader locations
+    Shader shdrCubemap = LoadShader(TextFormat("resources/shaders/glsl%i/cubemap.vs", GLSL_VERSION),
+                                    TextFormat("resources/shaders/glsl%i/cubemap.fs", GLSL_VERSION));
+
+    SetShaderValue(shdrCubemap, GetShaderLocation(shdrCubemap, "equirectangularMap"), (int[1]){ 0 }, SHADER_UNIFORM_INT);
+
+    char skyboxFileName[256] = { 0 };
+    
+    Texture2D panorama;
+
+    if (useHDR)
+    {
+        TextCopy(skyboxFileName, "resources/dresden_square_2k.hdr");
+
+        // Load HDR panorama (sphere) texture
+        panorama = LoadTexture(skyboxFileName);
+
+        // Generate cubemap (texture with 6 quads-cube-mapping) from panorama HDR texture
+        // NOTE 1: New texture is generated rendering to texture, shader calculates the sphere->cube coordinates mapping
+        // NOTE 2: It seems on some Android devices WebGL, fbo does not properly support a FLOAT-based attachment,
+        // despite texture can be successfully created.. so using PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 instead of PIXELFORMAT_UNCOMPRESSED_R32G32B32A32
+        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = GenTextureCubemap(shdrCubemap, panorama, 1024, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+
+        //UnloadTexture(panorama);    // Texture not required anymore, cubemap already generated
+    }
+    else
+    {
+        Image img = LoadImage("resources/skybox.png");
+        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = LoadTextureCubemap(img, CUBEMAP_LAYOUT_AUTO_DETECT);    // CUBEMAP_LAYOUT_PANORAMA
+        UnloadImage(img);
+    }
+
+    DisableCursor();                    // Limit cursor to relative movement inside the window
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateCamera(&camera, CAMERA_FIRST_PERSON);
+
+        // Load new cubemap texture on drag&drop
+        if (IsFileDropped())
+        {
+            FilePathList droppedFiles = LoadDroppedFiles();
+
+            if (droppedFiles.count == 1)         // Only support one file dropped
+            {
+                if (IsFileExtension(droppedFiles.paths[0], ".png;.jpg;.hdr;.bmp;.tga"))
+                {
+                    // Unload current cubemap texture and load new one
+                    UnloadTexture(skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
+                    if (useHDR)
+                    {
+                        Texture2D panorama = LoadTexture(droppedFiles.paths[0]);
+
+                        // Generate cubemap from panorama texture
+                        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = GenTextureCubemap(shdrCubemap, panorama, 1024, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+                        UnloadTexture(panorama);
+                    }
+                    else
+                    {
+                        Image img = LoadImage(droppedFiles.paths[0]);
+                        skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = LoadTextureCubemap(img, CUBEMAP_LAYOUT_AUTO_DETECT);
+                        UnloadImage(img);
+                    }
+
+                    TextCopy(skyboxFileName, droppedFiles.paths[0]);
+                }
+            }
+
+            UnloadDroppedFiles(droppedFiles);    // Unload filepaths from memory
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                // We are inside the cube, we need to disable backface culling!
+                rlDisableBackfaceCulling();
+                rlDisableDepthMask();
+                    DrawModel(skybox, (Vector3){0, 0, 0}, 1.0f, WHITE);
+                rlEnableBackfaceCulling();
+                rlEnableDepthMask();
+
+                DrawGrid(10, 1.0f);
+
+            EndMode3D();
+            
+            //DrawTextureEx(panorama, (Vector2){ 0, 0 }, 0.0f, 0.5f, WHITE);
+
+            if (useHDR) DrawText(TextFormat("Panorama image from hdrihaven.com: %s", GetFileName(skyboxFileName)), 10, GetScreenHeight() - 20, 10, BLACK);
+            else DrawText(TextFormat(": %s", GetFileName(skyboxFileName)), 10, GetScreenHeight() - 20, 10, BLACK);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadShader(skybox.materials[0].shader);
+    UnloadTexture(skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
+
+    UnloadModel(skybox);        // Unload skybox model
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
+
+// Generate cubemap texture from HDR texture
+static TextureCubemap GenTextureCubemap(Shader shader, Texture2D panorama, int size, int format)
+{
+    TextureCubemap cubemap = { 0 };
+
+    rlDisableBackfaceCulling();     // Disable backface culling to render inside the cube
+
+    // STEP 1: Setup framebuffer
+    //------------------------------------------------------------------------------------------
+    unsigned int rbo = rlLoadTextureDepth(size, size, true);
+    cubemap.id = rlLoadTextureCubemap(0, size, format);
+
+    unsigned int fbo = rlLoadFramebuffer(size, size);
+    rlFramebufferAttach(fbo, rbo, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER, 0);
+    rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X, 0);
+
+    // Check if framebuffer is complete with attachments (valid)
+    if (rlFramebufferComplete(fbo)) TraceLog(LOG_INFO, "FBO: [ID %i] Framebuffer object created successfully", fbo);
+    //------------------------------------------------------------------------------------------
+
+    // STEP 2: Draw to framebuffer
+    //------------------------------------------------------------------------------------------
+    // NOTE: Shader is used to convert HDR equirectangular environment map to cubemap equivalent (6 faces)
+    rlEnableShader(shader.id);
+
+    // Define projection matrix and send it to shader
+    Matrix matFboProjection = MatrixPerspective(90.0*DEG2RAD, 1.0, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR);
+    rlSetUniformMatrix(shader.locs[SHADER_LOC_MATRIX_PROJECTION], matFboProjection);
+
+    // Define view matrix for every side of the cubemap
+    Matrix fboViews[6] = {
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  1.0f,  0.0f,  0.0f }, (Vector3){ 0.0f, -1.0f,  0.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){ -1.0f,  0.0f,  0.0f }, (Vector3){ 0.0f, -1.0f,  0.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f,  1.0f,  0.0f }, (Vector3){ 0.0f,  0.0f,  1.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f, -1.0f,  0.0f }, (Vector3){ 0.0f,  0.0f, -1.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f,  0.0f,  1.0f }, (Vector3){ 0.0f, -1.0f,  0.0f }),
+        MatrixLookAt((Vector3){ 0.0f, 0.0f, 0.0f }, (Vector3){  0.0f,  0.0f, -1.0f }, (Vector3){ 0.0f, -1.0f,  0.0f })
+    };
+
+    rlViewport(0, 0, size, size);   // Set viewport to current fbo dimensions
+    
+    // Activate and enable texture for drawing to cubemap faces
+    rlActiveTextureSlot(0);
+    rlEnableTexture(panorama.id);
+
+    for (int i = 0; i < 6; i++)
+    {
+        // Set the view matrix for the current cube face
+        rlSetUniformMatrix(shader.locs[SHADER_LOC_MATRIX_VIEW], fboViews[i]);
+        
+        // Select the current cubemap face attachment for the fbo
+        // WARNING: This function by default enables->attach->disables fbo!!!
+        rlFramebufferAttach(fbo, cubemap.id, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_CUBEMAP_POSITIVE_X + i, 0);
+        rlEnableFramebuffer(fbo);
+
+        // Load and draw a cube, it uses the current enabled texture
+        rlClearScreenBuffers();
+        rlLoadDrawCube();
+
+        // ALTERNATIVE: Try to use internal batch system to draw the cube instead of rlLoadDrawCube
+        // for some reason this method does not work, maybe due to cube triangles definition? normals pointing out?
+        // TODO: Investigate this issue...
+        //rlSetTexture(panorama.id); // WARNING: It must be called after enabling current framebuffer if using internal batch system!
+        //rlClearScreenBuffers();
+        //DrawCubeV(Vector3Zero(), Vector3One(), WHITE);
+        //rlDrawRenderBatchActive();
+    }
+    //------------------------------------------------------------------------------------------
+
+    // STEP 3: Unload framebuffer and reset state
+    //------------------------------------------------------------------------------------------
+    rlDisableShader();          // Unbind shader
+    rlDisableTexture();         // Unbind texture
+    rlDisableFramebuffer();     // Unbind framebuffer
+    rlUnloadFramebuffer(fbo);   // Unload framebuffer (and automatically attached depth texture/renderbuffer)
+
+    // Reset viewport dimensions to default
+    rlViewport(0, 0, rlGetFramebufferWidth(), rlGetFramebufferHeight());
+    rlEnableBackfaceCulling();
+    //------------------------------------------------------------------------------------------
+
+    cubemap.width = size;
+    cubemap.height = size;
+    cubemap.mipmaps = 1;
+    cubemap.format = format;
+
+    return cubemap;
+}

examples/models/models_waving_cubes.c

@@ -0,0 +1,117 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Waving cubes
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 3.7
+*
+*   Example contributed by Codecat (@codecat) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Codecat (@codecat) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <math.h>       // Required for: sinf()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - waving cubes");
+
+    // Initialize the camera
+    Camera3D camera = { 0 };
+    camera.position = (Vector3){ 30.0f, 20.0f, 30.0f }; // Camera position
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 70.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
+
+    // Specify the amount of blocks in each direction
+    const int numBlocks = 15;
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        double time = GetTime();
+
+        // Calculate time scale for cube position and size
+        float scale = (2.0f + (float)sin(time))*0.7f;
+
+        // Move camera around the scene
+        double cameraTime = time*0.3;
+        camera.position.x = (float)cos(cameraTime)*40.0f;
+        camera.position.z = (float)sin(cameraTime)*40.0f;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                DrawGrid(10, 5.0f);
+
+                for (int x = 0; x < numBlocks; x++)
+                {
+                    for (int y = 0; y < numBlocks; y++)
+                    {
+                        for (int z = 0; z < numBlocks; z++)
+                        {
+                            // Scale of the blocks depends on x/y/z positions
+                            float blockScale = (x + y + z)/30.0f;
+
+                            // Scatter makes the waving effect by adding blockScale over time
+                            float scatter = sinf(blockScale*20.0f + (float)(time*4.0f));
+
+                            // Calculate the cube position
+                            Vector3 cubePos = {
+                                (float)(x - numBlocks/2)*(scale*3.0f) + scatter,
+                                (float)(y - numBlocks/2)*(scale*2.0f) + scatter,
+                                (float)(z - numBlocks/2)*(scale*3.0f) + scatter
+                            };
+
+                            // Pick a color with a hue depending on cube position for the rainbow color effect
+                            Color cubeColor = ColorFromHSV((float)(((x + y + z)*18)%360), 0.75f, 0.9f);
+
+                            // Calculate cube size
+                            float cubeSize = (2.4f - scale)*blockScale;
+
+                            // And finally, draw the cube!
+                            DrawCube(cubePos, cubeSize, cubeSize, cubeSize, cubeColor);
+                        }
+                    }
+                }
+
+            EndMode3D();
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/models_yaw_pitch_roll.c

@@ -0,0 +1,122 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Plane rotations (yaw, pitch, roll)
+*
+*   Example originally created with raylib 1.8, last time updated with raylib 4.0
+*
+*   Example contributed by Berni (@Berni8k) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2017-2023 Berni (@Berni8k) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include "raymath.h"        // Required for: MatrixRotateXYZ()
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    //SetConfigFlags(FLAG_MSAA_4X_HINT | FLAG_WINDOW_HIGHDPI);
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - plane rotations (yaw, pitch, roll)");
+
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 50.0f, -120.0f };// Camera position perspective
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };      // Camera looking at point
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
+    camera.fovy = 30.0f;                                // Camera field-of-view Y
+    camera.projection = CAMERA_PERSPECTIVE;             // Camera type
+
+    Model model = LoadModel("resources/models/obj/plane.obj");                  // Load model
+    Texture2D texture = LoadTexture("resources/models/obj/plane_diffuse.png");  // Load model texture
+    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;            // Set map diffuse texture
+
+    float pitch = 0.0f;
+    float roll = 0.0f;
+    float yaw = 0.0f;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Plane pitch (x-axis) controls
+        if (IsKeyDown(KEY_DOWN)) pitch += 0.6f;
+        else if (IsKeyDown(KEY_UP)) pitch -= 0.6f;
+        else
+        {
+            if (pitch > 0.3f) pitch -= 0.3f;
+            else if (pitch < -0.3f) pitch += 0.3f;
+        }
+
+        // Plane yaw (y-axis) controls
+        if (IsKeyDown(KEY_S)) yaw -= 1.0f;
+        else if (IsKeyDown(KEY_A)) yaw += 1.0f;
+        else
+        {
+            if (yaw > 0.0f) yaw -= 0.5f;
+            else if (yaw < 0.0f) yaw += 0.5f;
+        }
+
+        // Plane roll (z-axis) controls
+        if (IsKeyDown(KEY_LEFT)) roll -= 1.0f;
+        else if (IsKeyDown(KEY_RIGHT)) roll += 1.0f;
+        else
+        {
+            if (roll > 0.0f) roll -= 0.5f;
+            else if (roll < 0.0f) roll += 0.5f;
+        }
+
+        // Tranformation matrix for rotations
+        model.transform = MatrixRotateXYZ((Vector3){ DEG2RAD*pitch, DEG2RAD*yaw, DEG2RAD*roll });
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            // Draw 3D model (recomended to draw 3D always before 2D)
+            BeginMode3D(camera);
+
+                DrawModel(model, (Vector3){ 0.0f, -8.0f, 0.0f }, 1.0f, WHITE);   // Draw 3d model with texture
+                DrawGrid(10, 10.0f);
+
+            EndMode3D();
+
+            // Draw controls info
+            DrawRectangle(30, 370, 260, 70, Fade(GREEN, 0.5f));
+            DrawRectangleLines(30, 370, 260, 70, Fade(DARKGREEN, 0.5f));
+            DrawText("Pitch controlled with: KEY_UP / KEY_DOWN", 40, 380, 10, DARKGRAY);
+            DrawText("Roll controlled with: KEY_LEFT / KEY_RIGHT", 40, 400, 10, DARKGRAY);
+            DrawText("Yaw controlled with: KEY_A / KEY_S", 40, 420, 10, DARKGRAY);
+
+            DrawText("(c) WWI Plane Model created by GiaHanLam", screenWidth - 240, screenHeight - 20, 10, DARKGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadModel(model);     // Unload model data
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/models/resources/LICENSE.md

@@ -0,0 +1,22 @@
+| resource             | author      | licence | notes |
+| :------------------- | :---------: | :------ | :---- |
+| models/obj/castle.obj,<br>models/obj/castle_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/bridge.obj,<br>models/obj/bridge_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/house.obj,<br>models/obj/house_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode)  | - |
+| models/obj/market.obj,<br>models/obj/market_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode)  | - |
+| models/obj/turret.obj,<br>models/obj/turret_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/well.obj,<br>models/obj/well_diffuse.png | [Alberto Cano](https://www.artstation.com/albertocano) | [CC-BY-NC](https://creativecommons.org/licenses/by-nc/4.0/legalcode) | - |
+| models/obj/cube.obj,<br>models/obj/cube_diffuse.png | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/obj/plane.obj,<br>models/obj/plane_diffuse.png | [GiaHanLam](https://sketchfab.com/GiaHanLam)  | [CC-BY](https://creativecommons.org/licenses/by/4.0/)  | Used by: [`models_yaw_pitch_roll.c`](https://github.com/raysan5/raylib/blob/master/examples/models/models_yaw_pitch_roll.c)
+| models/iqm/guy.iqm,<br>models/iqm/guyanim.iqm,<br>models/iqm/guytex.png,<br>models/iqm/guy.blend | [@culacant](https://github.com/culacant)  | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/gltf/robot.glb,<br>models/gltf/robot.blend | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| models/vox/chr_knight.vox |  ❔         | ❔     | - |
+| models/vox/chr_sword.vox  |  ❔         | ❔     | - |
+| models/vox/monu9.vox   |  ❔            | ❔     | - |
+| billboard.png          | [@emegeme](https://github.com/emegeme)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| cubicmap.png           | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| cubicmap_atlas.png     | [@emegeme](https://github.com/emegeme)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| heightmap.png          | [@raysan5](https://github.com/raysan5)    | [CC0](https://creativecommons.org/publicdomain/zero/1.0/)     | - |
+| dresden_square_1k.hdr  | [HDRIHaven](https://hdrihaven.com/hdri/?h=dresden_square) | [CC0](https://hdrihaven.com/p/license.php) | - |
+| dresden_square_2k.hdr  | [HDRIHaven](https://hdrihaven.com/hdri/?h=dresden_square) | [CC0](https://hdrihaven.com/p/license.php) | - |
+| skybox.png             |  ❔            | ❔     | - |

examples/models/resources/models/gltf/LICENSE

@@ -0,0 +1,2 @@
+robot.glb model by @Quaternius (https://www.patreon.com/quaternius)
+Licensed under CC0 1.0 Universal (CC0 1.0) - Public Domain Dedication (https://creativecommons.org/publicdomain/zero/1.0/)

examples/models/resources/models/obj/cube.obj

@@ -0,0 +1,68 @@
+# reference material
+#mtllib cube.mtl
+
+# object box
+
+# vertex  (XZY)
+v  5.5  0  1.5
+v  8.5  0  1.5
+v  5.5  0  -1.5
+v  8.5  0  -1.5
+v  5.5  3  1.5
+v  8.5  3  1.5
+v  5.5  3  -1.5
+v  8.5  3  -1.5
+
+# normals  (XYZ)
+vn  0  -1  0
+vn  0  1  0
+vn  0  0  1
+vn  1  0  0
+vn  0  0  -1
+vn  -1  0  0
+
+# UVs (XY)
+vt 0.5  0    0 
+vt 1    0    0
+vt 1    0.5  0
+vt 0.5  0.5  0
+vt 0.5  0.5  0
+vt 1    0.5  0
+vt 0.5  1    0
+vt 1    1    0
+vt 0    0.5  0
+vt 1    0.5  0
+vt 1    0    0
+vt 0    0    0
+vt 0    0.5  0
+vt 1    0.5  0
+vt 1    1    0
+vt 0    1    0
+vt 0.5  0    0
+vt 0    0    0
+vt 0    0.5  0
+vt 0.5  0.5  0
+vt 0    0.5  0
+vt 0.5  0.5  0
+vt 0.5  1    0
+vt 0    1    0
+
+# merger 
+g box
+
+# reference material
+#usemtl mat01
+
+# faces
+f 1/9/1 3/10/1 4/11/1 
+f 4/11/1 2/12/1 1/9/1 
+f 5/13/2 6/14/2 8/15/2 
+f 8/15/2 7/16/2 5/13/2 
+f 1/17/6 2/18/6 6/19/6 
+f 6/19/6 5/20/6 1/17/6 
+f 2/6/1 4/5/1 8/7/1 
+f 8/7/1 6/8/1 2/6/1
+f 4/2/3 3/1/3 7/4/3 
+f 7/4/3 8/3/3 4/2/3 
+f 3/22/5 1/21/5 5/24/5 
+f 5/24/5 7/23/5 3/22/5 

examples/models/resources/models/vox/LICENSE

@@ -0,0 +1,9 @@
+The following models are provided by the official github repo of voxel-model format by MagikaVoxel developer @ephtracy
+
+GitHub official repo: https://github.com/ephtracy/voxel-model
+
+ - chr_knight.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_knight.vox
+ - chr_sword.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_sword.vox
+ - monu9.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/monument/monu9.vox
+ 
+Worth mentioning there is no license specified for the models yet: https://github.com/ephtracy/voxel-model/issues/22

examples/models/resources/shaders/glsl100/cubemap.fs

@@ -0,0 +1,29 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform sampler2D equirectangularMap;
+
+vec2 SampleSphericalMap(vec3 v)
+{
+    vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
+    uv *= vec2(0.1591, 0.3183);
+    uv += 0.5;
+    return uv;
+}
+
+void main()
+{
+    // Normalize local position
+    vec2 uv = SampleSphericalMap(normalize(fragPosition));
+
+    // Fetch color from texture map
+    vec3 color = texture2D(equirectangularMap, uv).rgb;
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

examples/models/resources/shaders/glsl100/cubemap.vs

@@ -0,0 +1,20 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Calculate final vertex position
+    gl_Position = matProjection*matView*vec4(vertexPosition, 1.0);
+}

examples/models/resources/shaders/glsl100/skybox.fs

@@ -0,0 +1,31 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+void main()
+{
+    // Fetch color from texture map
+    vec4 texelColor = vec4(0.0);
+
+    if (vflipped) texelColor = textureCube(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z));
+    else texelColor = textureCube(environmentMap, fragPosition);
+
+    vec3 color = vec3(texelColor.x, texelColor.y, texelColor.z);
+
+    if (doGamma) // Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

examples/models/resources/shaders/glsl100/skybox.vs

@@ -0,0 +1,24 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}