AxisAlignedBoundingBox AxisAlignedBoundingBox represents a bounding box volume that has its planes aligned to the local coordinate axes of the bounded object.
 BoundingSphere BoundingSphere represents a spherical bounding volume defined by a center point and a radius.
 BoundingVolumeBase An abstract base class for all bounding volume classes.
 NullBounds NullBounds represents a debug bounding "volume" that is either considered always in, or always out of the frustum.