## Further reading 

### Collision detection

[Real-Time Rendering: Object Intersection](http://www.realtimerendering.com/intersections.html)

[Dirk Gregorius - Valve Software](http://media.steampowered.com/apps/valve/2015/DirkGregorius_Contacts.pdf)

[Advanced Collision Detection Techniques](http://www.gamasutra.com/view/feature/131598/advanced_collision_detection_.php)

[3D Collisions book](https://gdbooks.gitbooks.io/3dcollisions/)