Planet Simulation

INSTRUCTIONS: Press space (and Hold) to spawn particles, the particles will spawn at your cursor. Press "S" to show Settings, Press "H" to hide settings.  Press "C" to clear all particles. To Customize your planet, Press and hold the Corresponding Number (while holding down space) to get the Colour. 1: Red  2: Orange 3: Yellow 4: Blue 5: Green 6: Purple 7: Pink 8: Gray 9: White 0: Black