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| // by dave @ beesandbombs.tumblr.com >:) | |
| int[][] result; | |
| float t; | |
| void setup() { | |
| setup_(); | |
| result = new int[width*height][3]; | |
| } | |
| void draw() { | |
| if (!recording) { | |
| t = mouseX*1.0/width; | |
| draw_(); | |
| } else { | |
| for (int i=0; i<width*height; i++) | |
| for (int a=0; a<3; a++) | |
| result[i][a] = 0; | |
| for (int sa=0; sa<samplesPerFrame; sa++) { | |
| t = map(frameCount-1 + sa*shutterAngle/samplesPerFrame, 0, numFrames, 0, 1); | |
| draw_(); | |
| loadPixels(); | |
| for (int i=0; i<pixels.length; i++) { | |
| result[i][0] += pixels[i] >> 16 & 0xff; | |
| result[i][1] += pixels[i] >> 8 & 0xff; | |
| result[i][2] += pixels[i] & 0xff; | |
| } | |
| } | |
| loadPixels(); | |
| for (int i=0; i<pixels.length; i++) | |
| pixels[i] = 0xff << 24 | (result[i][0]/samplesPerFrame) << 16 | | |
| (result[i][1]/samplesPerFrame) << 8 | (result[i][2]/samplesPerFrame); | |
| updatePixels(); | |
| saveFrame("f###.gif"); | |
| if (frameCount==numFrames) | |
| exit(); | |
| } | |
| } | |
| ////////////////////////////////////////////////////////////////////////////// | |
| int samplesPerFrame = 4; | |
| int numFrames = 201; | |
| float shutterAngle = .6; | |
| boolean recording = true; | |
| void setup_() { | |
| size(500, 500, P2D); | |
| smooth(8); | |
| strokeCap(SQUARE); | |
| noFill(); | |
| } | |
| float d = 150; | |
| int N = 8; | |
| float g = 16; | |
| void draw_() { | |
| background(0); | |
| strokeWeight(3.8); | |
| pushMatrix(); | |
| translate(width/2, height/2); | |
| scale(1.15); | |
| rotate(TWO_PI*t/N); | |
| stroke(240); | |
| for (int i=0; i<N; i++) { | |
| pushMatrix(); | |
| rotate(i*TWO_PI/N); | |
| arc(d/2, 0, d, d, 2*TWO_PI*t, PI+2*TWO_PI*t); | |
| popMatrix(); | |
| } | |
| strokeWeight(6); | |
| stroke(0); | |
| for (int i=0; i<N; i++) { | |
| pushMatrix(); | |
| rotate((i+.5)*TWO_PI/N); | |
| arc(d/2, 0, d-g, d-g, HALF_PI+TWO_PI*t, PI+HALF_PI+TWO_PI*t); | |
| popMatrix(); | |
| } | |
| strokeWeight(1.7); | |
| stroke(255); | |
| for (int i=0; i<N; i++) { | |
| pushMatrix(); | |
| rotate((i+.5)*TWO_PI/N); | |
| arc(d/2, 0, d-g, d-g, HALF_PI+TWO_PI*t, PI+HALF_PI+TWO_PI*t); | |
| popMatrix(); | |
| } | |
| popMatrix(); | |
| } |
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