Planets

2D gravity sim from Dec 2020
Improved version of Particles in Space

Controls
Left Click: Make a body
Spacebar: Pause
R: Restart
S: Spawn "storm" of bodies
F: Spawn "field" of many small bodies
Hold click on body to increase size
Right click body to delete

Features
2D gravity per body per frame
Colors for body
Collisions with conserved mass and momentum