Fibonacci Animation

int maxDots = 700;

float g; //golden ratio

float gAng;

float rad;

float rgrowth;

float cur = 0;

float rot = 0;

float x,y;

float w = 2;

float h = 2;

float deg = 0.9992;

float colorInc;

​

void setup() {

  size(800,800);

  background(0);

  smooth();

  noFill();

  colorMode(HSB);

  strokeWeight(0.2);

  frameRate(80);

  g = 1/1.618033989;

  gAng = 360-360 * g + 0; //change this value for varying effects

  rad = 5;

  rgrowth = 1.004;

}

​

void draw() {

  cur++;

  rot += gAng;

  rot -= int(rot/360) * 360;

  rad *= rgrowth;

  stroke(g*cur/3,g*cur/3,255);

  x = cos(rot * PI/180) * rad + width/2;

  y = sin(rot * PI/180) * rad + height/2;

  ellipse(x,y,w,h);

  w+=g/14;

  h+=g/14;

}

​