var xpos = 0;

​

var xpos2 = -150;

​

​

function setup() 

{

​

  createCanvas(400, 400);

}

​

​

​

​

function draw() 

{

​

  background(255);

​

  fill(255, 0, 0);

​

  stroke(0);

​

  ellipseMode(CENTER);

​

  xpos = xpos + 3;

​

  if(xpos > height)

  {

    xpos = height;

  }

​

  ellipse(width/2, xpos, 25, 25);

​

  xpos2 = xpos2 + 2;

​

  if(xpos2 > height)

  {

    xpos2 = height;

  }

  ellipse(width/2, xpos2-50, 25, 25);

​

}

​