Classes
 ClassDescription
 Face3D Mesh's triangle face
 Mesh3D Mesh constisting of faces and segments
 NumberUV Texture coordinates value.
 OldCube Cube
 OldNumber3D A point in 3D space.
 OldPlane Plane
 OldSphere Sphere
 OldTorus Torus
 OldWireCube Wire cube
 OldWirePlane Wire plane
 Segment3D Mesh's line segment
 Skybox6Old Skybox that is initialized with one solid image
 Vertex2D Vertex in the screen space
 Vertex3D A vertex in 3D space
 Vertices3D Abstract class for objects based on the set of vertices