set R,D,W to 1,2 and 3 with the [1] [2] and [3] keys 1 = Rock [R] key to delete all rocks 2 = Dirt [D] key to delete all dirt 3 = Water [W] key to delete all water Press the [SPACE BAR] to spawn an element at the mouse's position.
(THIS IS NOT A GAME) but a prototype physics system on a 2 dimensional scale.
