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/* * SuperPosition * by PixelPusher * * Inspired by http://www.bugman123.com/Physics/Physics.html * * two radiating points in contrasting colors * Have a blast with it... */ int frames; int maxFrames; int numElipses; void setup() { size(256, 256); ellipseMode(CENTER); noFill(); strokeWeight(4); frames = 0; maxFrames = 3; numElipses = 40; frameRate(4); } void draw() { background(100); smooth(); frames = (frames+1) % maxFrames; pushMatrix(); translate(0, height/4); stroke(200, 0, 180); drawEllipses(numElipses); translate(0, height/2); stroke(0, 200, 180); drawEllipses(numElipses); popMatrix(); } void drawEllipses(int num) { for (int i=0; i<num; i++) { if ( (i % maxFrames) == frames) { float w = 2*256.0*i/num; ellipse(0, 0, w, w); } } } boolean odd(int n) { return ((n % 2) == 0); } boolean even(int n) { return !odd(n); }
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