​

let x,y,r,g,b;

​

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(0);

}

​

function draw() {

  r=random(255);

  g=random(0);

  b=random(255);

  x=random(width);

  y=random(height);

  noStroke();

  fill(r,g,b,100);

  circle(x,y, 24);  

}

​

function mousePressed(){

  background(0) 

}

​