R20 version of PointProjector

A simple Cinema 4D plugin that projects the points of a spline or polygon object on geometry. It is basically like Cinema's own "Project" command, but implemented as a deformer, working with both, Splines and Polygon objects, and working non-destructively.

This plugin demonstrates the following C4D API aspects:

• Deformer object plugins, derived from class ObjectData
• Ray intersections with class GeRayCollider
• Supporting MoGraph falloffs with class C4D_Falloff
• Achieving good performance by using a custom caching mechanism with ObjectData::CheckDirty()
• Getting polygons and caches from generator objects
• Drawing in the viewport
• Vector and matrix math in general