createCanvas(400, 400);

}

​

let x= 0

let y=399

let x1= 0

let y1=399

​

function draw() {

  background(220);

  strokeWeight(5)

  circle(x, height/2, 50)

  if (x >= 399) {

  circle(y, height/2, 50)

   y = y-5

​

  } 

  x=x+5

​

  if (y <=0) {

      x= 0

    y=399

  }

  fill(x,150,y)

​

  strokeWeight(5)

  circle(width/2, x1, 50)

  if (x1 >= 399) {

  circle(width/2, y1, 50)

   y1 = y1-5

​

  } 

  x1=x1+5

​

  if (y1 <=0) {

      x1= 0

    y1=399

  }

  fill(y1,x1,150)

​

​

}