noStroke(); rectMode(CENTER); var draw = function () { background(51); fill(2229, 1297, 298, 999); triangle(mouseX, height/2, mouseY/2+10, mouseY/2+10); fill(255, 255, 125, 125); triangle(width-mouseX, height/2, ((height-mouseY)/2)+10, ((height-mouseY)/2)+10); };