Section: OpenGL Models
[r1 g1 b1 n1 p1 p2 p3 ... r2 g2 b2 n2 p1 p2 p3 ... ]
i.e., an RGB color spec, followed by a point count ni, followed
by a length ni vector of coordinates that are x,y,z triplets.
The usage of this function is
glclump(name,vector)
where name is the name of the clump and vector is the aforementioned
vector of points.