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28 lines
758 B
Plaintext
28 lines
758 B
Plaintext
// GLSL version of Conway's game of life, ported from GLSL sandbox:
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// http://glsl.heroku.com/e#207.3
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// Exemplifies the use of the buffer uniform in the shader, that gives
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// access to the previous frame.
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PShader conway;
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PGraphics pg;
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void setup() {
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size(400, 400, P3D);
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pg = createGraphics(400, 400, P2D);
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pg.noSmooth();
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conway = loadShader("conway.glsl");
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conway.set("resolution", float(pg.width), float(pg.height));
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}
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void draw() {
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conway.set("time", millis()/1000.0);
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float x = map(mouseX, 0, width, 0, 1);
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float y = map(mouseY, 0, height, 1, 0);
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conway.set("mouse", x, y);
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pg.beginDraw();
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pg.background(0);
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pg.shader(conway);
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pg.rect(0, 0, pg.width, pg.height);
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pg.endDraw();
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image(pg, 0, 0, width, height);
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}
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