Collisions :

- boxedin :
  - sphere bouncing inside a 3DS object
  - sphere collision detection with a complex (high poly) mesh
  - using the octree to speed up collision detection
- boxsphere :
  - testing for collisions between a box and a sphere
- facevsface :
  - accurate face vs face collision detection between freeforms
  - accurate collision detection between cubes (test case)
  - moving objects in 3D with the mouse
- meshhit :
  - basic raycast collision with a mesh
  - finding mesh surface point and normal below mouse
- occlusionquery :
  - simple demo showing how to use an occlusion query to see if an object is visible
- octree :
  - raycast collision with a complex (high poly) mesh
  - using the octree to speed up collision detection
- raybox :
  - testing for collisions between a ray and a box
- raycast :
  - raycasting intersection sample (RayCastIntersect function)
  - a two-cents worth raytracer
- sphere :
  - ultra-basic collision detection sample
- trianglebox :
  - testing for collisions between a triangle and a box

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