The sketch continually fills rectangles on the window:

[josephh]

Hi @add,

@add

hello everyone! how I can do this exercise?

Programming is about solving problems but we are not going to give you the full solution yet!

You can read this previous thread which may help you achieve what you want to do:

Why my draw() don't drawing continuously?

void setup () { size (842,480);frameRate(20);} float x = random (842); float y = random (480); float r = random (256); float g = random (256); float b = random (256); void draw () {loop ();fill (r,g,b);rect (x,y,x,y);} Can someone explain me pls why ? :3