createCanvas(400, 400);

  background(random(127,255));

  frameRate(9);

  colorMode(HSB);

}

​

function draw() {

  var x, y, w, h;

  w = random(8,10+width / 8);

  h = random(3,20+height / 12);

  x = width / 6;

  y = height/4;

  // Draw rectangles

  fill('yellow');

  strokeWeight(3);

  rectMode(CENTER);

  rect(x, y, w, h);

  rect(2 * x, y, w, h);

  rect(3 * x, y, w, h);

  rect(4 * x, y, w, h);

  rect(5 * x, y, w, h);

  // Draw ellipses

  fill('blue');

  ellipse(x, 3*y, w, h);

  ellipse(2 * x, 3*y, w, h);

  ellipse(3 * x, 3*y, w, h);

  ellipse(4 * x, 3*y, w, h);

  ellipse(5 * x, 3*y, w, h);

  // Draw triangles

    var c = random(0,360);

  var d = random(6,30);

  y = 2*y-30;

  fill(c,360,100);

  triangle(x,y,x+d,y+d,x-d,y+2*d);

  triangle(2*x,y,2*x+d,y+d,2*x-d,y+2*d);

  triangle(3*x,y,3*x+d,y+d,3*x-d,y+2*d);

  triangle(4*x,y,4*x+d,y+d,4*x-d,y+2*d);

  triangle(5*x,y,5*x+d,y+d,5*x-d,y+2*d);

}