- Space - Toggle simulation execution
- Left click - Add point
- Right click - Lock point
- Left click + shift - Delete point
- Left drag - Create line from point to point
- Left drag + ctrl - Move point
- R - Reset
- G - Create grid of points and lines
- Esc - Quit
- It's possible to create a line from point to itself, this will immediately crash
Thanks to Sebastian Lague for the algorithms