What is it?

This is a 2D simulation that uses Newton's laws of gravity to simulate interactions between any number of particles.

How to use

Mouse Buttons

• Hold LEFT CLICK to drag particles.
• RIGHT CLICK to display info in the top-left corner about the particle / select a particle
• SCROLL WHEEL to change camera speed

Keyboard Keys

• WASD to move the camera around
• ENTER to open the particle creation menu
  • ENTER again to create the particle
  • ESC to exit the menu and not create the particle
• ESC to stop displaying particle info
• BACKSPACE to delete the selected/dragged particle
• R to refill simulation with particles

Key + Mouse Combos

• LEFT CTRL + SCROLL WHEEL to change the camera zoom
• Hold LEFT CTRL + RIGHT CLICK to follow the selected particle