void setup() {
  size(640, 360);
}

void draw() {
  background(260);


  pushMatrix();
  translate(width*0.2, height*0.5);
  rotate(frameCount / 20.0);
  star(0, 100, 15, 240, 3);
  popMatrix();
  fill(20, 130, 200);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 45.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 30, 45);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 40.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 30, 260);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 35.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(26, 260, 255);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 30.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 150, 45);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 25.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 30, 45);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 20.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 260, 45);


  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 15.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 30, 45);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 14.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(150, 260, 45);

   pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 10.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 0, 0);

  pushMatrix();
  translate(width*0.7, height*0.5);
  rotate(frameCount / 12.0);
  star(0, 200, 80, 100, 40);
  popMatrix();
  fill(260, 150, 0);

  pushMatrix();
  translate(width*0.8, height*0.5);
  rotate(frameCount / -30.0);
  star(0, 20, 30, 120, 5);
  popMatrix();
  fill(150, 26, 260);


}

void star(float x, float y, float radius1, float radius2, int npoints) {
  float angle = TWO_PI / npoints;
  float halfAngle = angle/2.0;
  beginShape();
  for (float a = 0; a < TWO_PI; a += angle) {
    float sx = x + cos(a) * radius2;
    float sy = y + sin(a) * radius2;
    vertex(sx, sy);
    sx = x + cos(a+halfAngle) * radius1;
    sy = y + sin(a+halfAngle) * radius1;
    vertex(sx, sy);
  }
  endShape(CLOSE);
}