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34 lines
777 B
Plaintext
34 lines
777 B
Plaintext
/**
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* Pulses.
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*
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* Software drawing instruments can follow a rhythm or abide by rules independent
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* of drawn gestures. This is a form of collaborative drawing in which the draftsperson
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* controls some aspects of the image and the software controls others.
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*/
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int angle = 0;
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void setup() {
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size(640, 360);
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background(102);
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smooth();
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noStroke();
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fill(0, 102);
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}
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void draw() {
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// Draw only when mouse is pressed
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if (mousePressed == true) {
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angle += 10;
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float val = cos(radians(angle)) * 6.0;
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for (int a = 0; a < 360; a += 75) {
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float xoff = cos(radians(a)) * val;
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float yoff = sin(radians(a)) * val;
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fill(0);
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ellipse(mouseX + xoff, mouseY + yoff, val, val);
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}
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fill(255);
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ellipse(mouseX, mouseY, 2, 2);
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}
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}
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