processing template made by @beesandbombs

templade.pde

//template by @beesandbombs edited by @13utters

int[][] result;
float t, c;
float ease(float p) {
  return 3*p*p - 2*p*p*p;
}

float ease(float p, float g) {
  if (p < 0.5) 
    return 0.5 * pow(2*p, g);
  else
    return 1 - 0.5 * pow(2*(1 - p), g);
}

float mn = .5*sqrt(3), ia = atan(sqrt(.5));
int bigT = 1;

void push() {
  pushMatrix();
  pushStyle();
}

void pop() {
  popStyle();
  popMatrix();
}

float c01(float g) {
  return constrain(g, 0, 1);
}

void draw() {
  if (recording) {
    for (int i=0; i<width*height; i++)
      for (int a=0; a<3; a++)
        result[i][a] = 0;

    c = 0;
    for (int sa=0; sa<samplesPerFrame; sa++) {
      t = map(frameCount-1 + sa*shutterAngle/samplesPerFrame, 0, numFrames, 0, bigT);
      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 | 
        int(result[i][0]*1.0/samplesPerFrame) << 16 | 
        int(result[i][1]*1.0/samplesPerFrame) << 8 | 
        int(result[i][2]*1.0/samplesPerFrame);
    updatePixels();

    saveFrame("frames/f###.gif");
    if (frameCount==numFrames)
      exit();
  } else if (preview) {
    c = mouseY*1.0/height;
    t = (millis()/(20.0*numFrames))%bigT;
    if (mousePressed)
      println(t);
    draw_();
  } else {
    t = mouseX*1.0/width;
    c = mouseY*1.0/height;
    if (mousePressed)
      println(c);
    draw_();
  }
}

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

int samplesPerFrame = 4;
int numFrames = 64*2;        
float shutterAngle = .6;

boolean recording = false, 
          preview = true;

void setup() {
  size(720,720,P3D);
  pixelDensity(recording ? 1 : 2);
  smooth(8);
  result = new int[width*height][3];

}

float tt;

void draw_() {
  tt = map(t, -1, 1, -PI, PI);
  //tt = lerp(-PI, PI, t);
  push();
  //YOUR CODE HERE
  pop();
}

//gifsicle --delay 2 --loop f*.gif > ../out_.gif