star_system

​

  void setup() {

  size(500, 500);

  background(0);

  smooth();

}

​

void draw() {

  background(0);

  //center star

  translate(width/2, height/2);

  rotate( millis() * 0.001 * TWO_PI / 10);

  fill(255,255,0);

  ellipse(0, 0, 50, 50);

  //1 star

  pushMatrix();

  rotate( millis() * 0.02 * TWO_PI / 5);

  fill(0, 255, 200);

  ellipse(30, 30, 20, 20);

  popMatrix();

  // 3 star

  translate(100, 100);

  rotate( millis() * 0.0002 * TWO_PI);

  fill(0,255,0);

  ellipse(0, 0, 40, 40);

  // 4 star 

  rotate( millis() * 0.001 * TWO_PI /5);

  fill(0, 0, 255);

  ellipse(30, 30, 20, 20); 

}

​