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33 lines
574 B
Plaintext
33 lines
574 B
Plaintext
/**
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* Sine.
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*
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* Smoothly scaling size with the sin() function.
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*/
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float diameter;
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float angle = 0;
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void setup() {
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size(640, 360);
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diameter = height - 10;
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noStroke();
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noStroke();
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fill(255, 204, 0);
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}
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void draw() {
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background(0);
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float d1 = 10 + (sin(angle) * diameter/2) + diameter/2;
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float d2 = 10 + (sin(angle + PI/2) * diameter/2) + diameter/2;
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float d3 = 10 + (sin(angle + PI) * diameter/2) + diameter/2;
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ellipse(0, height/2, d1, d1);
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ellipse(width/2, height/2, d2, d2);
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ellipse(width, height/2, d3, d3);
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angle += 0.02;
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}
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