var size = 0 var randomX = 0 var randomY = 0 var mouseIndex = 0 function setup() { createCanvas(500, 500); background(255,255,255) noFill(); for (i = 0; i < 30; i++){ size = random(0, 15)*i; randomX = random(-width/10, width/10); randomY = random(-height/10, height/10); square(width/2 +randomX - size/2, height/2 +randomY- size/2, size); } } function draw() { } function mousePressed(){ mouseIndex++ size = random(0, 15)*i; randomX = random(-width/10, width/10); randomY = random(-height/10, height/10); square(width/2 +randomX - size/2, height/2 +randomY- size/2, size); }