Collision Module
Manages fixture collision detection.
This module provides the following classes:
- b2AABB
- b2BroadPhase
- b2ClipVertex
- b2Collision
- b2ContactFeature
- b2ContactID
- b2Distance
- b2DistanceInput
- b2DistanceOutput
- b2DistanceProxy
- b2DynamicTree
- b2EPAxis
- b2Manifold
- b2ManifoldPoint
- b2RayCastInput
- b2RayCastOutput
- b2ReferenceFace
- b2SeparationFunction
- b2Simplex
- b2SimplexCache
- b2SimplexVertex
- b2TempPolygon
- b2TimeOfImpact
- b2TOIInput
- b2TOIOutput
- b2TreeNode
- b2WorldManifold