gistfile1.pde

// by dave @ bees & bombs >:)

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###.png");
    if (frameCount==numFrames)
      exit();
  }
}

//////////////////////////////////////////////////////////////////////////////

int samplesPerFrame = 32;
int numFrames = 96;        
float shutterAngle = .6;

boolean recording = true;

void setup_() {
  size(500, 500, P3D);
  noStroke();
  smooth(8);
  colorMode(HSB, 1);
}

int N = 12;
float d1 = 60, d2 = 18, d3 = 9;
float r2 = 165, r3 = 45;
float hu;

void draw_() {
  background(24.0/255);
  ambientLight(0, 0, .85);
  directionalLight(0, 0, .15, 1, 1, -4);
  pushMatrix();
  translate(width/2, height*.45, -50);
  rotateX(-.75);
  fill(1);
  sphere(d1);
  for (int i=0; i<N; i++) {
    hu = ((i-2*t)/float(N) + 2) % 1;
    pushMatrix();
    rotateY((i-2*t)*TWO_PI/N);
    translate(r2, 0, 0);
    fill(hu, .9, .85);
    sphere(d2);
    pushMatrix();
    rotateZ(TWO_PI*t + (i-2*t)*TWO_PI/N);
    translate(r3, 0);
    fill((hu+.5)%1, .05, .7);
    sphere(d3);
    popMatrix();
    popMatrix();
  }
  popMatrix();
  noLights();
}