//very simple program of animating stairs int i; //a function to set up the general drawing parameters void setup() { size(400, 400); background(255); smooth(); i = 0; frameRate(8); } //the draw function - which will loop void draw() { fill(random(0, 255), random(0, 255), random(0, 255)); rect(i, i, 20, 10); i = i+10; }