mirror of https://github.com/mode777/rayjs.git
74 lines
3.4 KiB
JavaScript
74 lines
3.4 KiB
JavaScript
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/*******************************************************************************************
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*
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* raylib [shapes] example - draw circle sector (with gui options)
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*
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* Example originally created with raylib 2.5, last time updated with raylib 2.5
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*
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* Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2018-2023 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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// Initialization
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//--------------------------------------------------------------------------------------
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const screenWidth = 800;
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const screenHeight = 450;
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initWindow(screenWidth, screenHeight, "raylib [shapes] example - draw circle sector");
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const center = new Vector2((getScreenWidth() - 300)/2.0, getScreenHeight()/2.0);
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let outerRadius = 180.0;
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let startAngle = 0.0;
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let endAngle = 180.0;
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let segments = 0;
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let minSegments = 4;
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setTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!windowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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// NOTE: All variables update happens inside GUI control functions
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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beginDrawing();
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clearBackground(RAYWHITE);
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drawLine(500, 0, 500, getScreenHeight(), fade(LIGHTGRAY, 0.6));
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drawRectangle(500, 0, getScreenWidth() - 500, getScreenHeight(), fade(LIGHTGRAY, 0.3));
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drawCircleSector(center, outerRadius, startAngle, endAngle, segments, fade(MAROON, 0.3));
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drawCircleSectorLines(center, outerRadius, startAngle, endAngle, segments, fade(MAROON, 0.6));
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// Draw GUI controls
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//------------------------------------------------------------------------------
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startAngle = guiSliderBar(new Rectangle(600, 40, 120, 20), "StartAngle", startAngle, startAngle, 0, 720);
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endAngle = guiSliderBar(new Rectangle(600, 70, 120, 20), "EndAngle", endAngle, endAngle, 0, 720);
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outerRadius = guiSliderBar(new Rectangle(600, 140, 120, 20), "Radius", Math.round(outerRadius), outerRadius, 0, 200);
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segments = guiSliderBar(new Rectangle(600, 170, 120, 20), "Segments", Math.floor(segments), segments, 0, 100);
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//------------------------------------------------------------------------------
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minSegments = Math.ceil((endAngle - startAngle) / 90);
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drawText("MODE: " + (segments >= minSegments) ? "MANUAL" : "AUTO", 600, 200, 10, (segments >= minSegments)? MAROON : DARKGRAY);
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drawFPS(10, 10);
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endDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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closeWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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