35 lines
702 B
Plaintext
35 lines
702 B
Plaintext
// Based on Listing 5.1, Generative Art
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float xstart, xnoise, ystart, ynoise, tnoise;
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float dt, dxy;
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void setup() {
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size(300, 300);
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background(255);
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xstart = random(10);
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ystart = random(10);
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}
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void draw() {
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// control spatial increment with mouseX
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dxy = map(mouseX, 0, width, 0.001, 0.05);
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// control temporal increment with mouseY
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dt = map(mouseY, 0, height, 0.001, 0.05);
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ynoise = ystart;
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tnoise += dt;
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for (int y = 0; y <= height; y+=1) {
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ynoise += dxy;
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xnoise = xstart;
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for (int x = 0; x <= width; x+=1) {
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xnoise += dxy;
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set(x, y, color(255*noise(xnoise, ynoise, tnoise)));
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}
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}
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}
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void mouseMoved () {
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println("dxy:"+dxy+" dt:"+dt);
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}
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