| Key | Action |
|---|---|
| W | Forward |
| S | Backward |
| A | Left |
| D | Right |
| R | Up |
| F | Down |
| Escape | Close window |
| Enter | Change post processing effect |
| Space | Draw with or without empty faces |
| Mouse scroll | Zoom in/out |
https://www.linkedin.com/learning/learning-opengl
https://github.com/StfnoPad/GAGraphicsTemplate
https://github.com/jesusgollonet/ofpennereasing/tree/master/PennerEasing