Terrain

Controls:
WASD / left stick to move
mouse / right stick to move
CTRL + Click to capture mouse for mouse look
ESC to release mouse

Source: https://github.com/dontgetfoundout/terrain

Inspired by:
- Acerola's terrain video and implementation
  - https://github.com/GarrettGunnell/Godot-Terrain

- Christopher Biscardi's Spacecraft in Noiseland bevy example:

  - https://github.com/rust-adventure/bevy-examples/blob/main/examples/spacecraft-noiseland/README.md