Use the arrow keys to move. Blue is bounce don't touch red black is regular ground. --> If u want to edit the project: First point with your mouse pointer to a place. Then you see which X and Y those are. Insert first the X, then the Y. Then choose another X and Y and again Insert first the X, then the Y. Size: You choose by yourself, I think 5 is the best. And then RGB. Red, Green and Blue. If u want black, type 0 by R, 0 by G, and 0 by B. If u want red, type 255 by R, 0 by G and 0 by B. If u want Green, then type 0 by R, 255 by G, and 0 by B. If u want Blue, Type 0 by R, 0 by G, and 255 by B. But if u want other colours, you can try all combinations! PRESS l TO SEE YOUR SAVED COBINATIONS! PRESS c TO CLEAR. PRESS r TO RESET THE LIST.