var paintDrop = function( ){ this.pSize = 5; this.color = color(random(0, 255), random(0, 255), random(0, 255)); }; var drops= []; rectMode(CENTER); var drawDrops = function() { for(var i = 0; i < drops.length; i += 1) { drops[i].pSize += 1; fill(drops[i].color); rect(100, 100, drops[i].pSize, drops[i].pSize); rect(300, 300, drops[i].pSize, drops[i].pSize); } }; var draw = function() { background(0); noStroke(); drawDrops(); }; var mouseClicked = function() { drops.push(new paintDrop()); };