mirror of https://github.com/mode777/rayjs.git
77 lines
3.1 KiB
C
77 lines
3.1 KiB
C
|
/*******************************************************************************************
|
||
|
|
*
|
||
|
|
* 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;
|
||
|
|
}
|