Interfaces
 InterfaceDescription
 IBlockerConsumer Interface for containers capable of storing blockers
 IBlockerProvider Interface for objects that provide blockers instances for rendering occlusion culling
Classes
 ClassDescription
 Blocker Abstract primitive that can block other primitives from drawing
 BlockerArray Array for storing blockers
 ConvexBlock Convex object blocking all drawing primitives under it
 ConvexBlocker Convex hull that blocks all them primitives containing completely inside