Classes
 ClassDescription
 DrawBitmap Unscaled bitmap drawing primitive
 DrawBorderTriangle Triangle drawing primitive with custom borders
 DrawDisplayObject 
 DrawGroup 
 DrawPrimitive Abstract class for all drawing primitives
 DrawScaledBitmap Scaled bitmap primitive
 DrawSegment Line segment drawing primitive
 DrawTriangle Triangle drawing primitive
 Line2D Line in 2D space
 Plane3D Plane in 3D space
 ScreenVertex Vertex in the screen space
 ZCompare Static class for functions comparing mutual ordering of drawing primitives