OUTDATED, AND INCORRECT! GO TO: https://scratch.mit.edu/projects/794964033/ Space - reset everything (basically green flag) Q - switch menu P- pause Z - spawn particle (with current settings, at mouse) C - centre camera on particle (that your mouse is on) L - lock camera on particle (that your mouse is on) K - kill particle O - revive particle WASD - move camera E - reset camera M - set custom mass amount Z coordinate is represented by size & layer W coordinate is represented by brightness a meter is a pixel the mass is in kilograms with realistic time off, every frame is one second