GLDEFMATERIAL GLDEFMATERIAL Defines a GL Material

Usage

Define a material.  The syntax for its use is

  gldefmaterial(name,ambient,diffuse,specular,shininess)

where name is the name of the material, and ambient
is a 4 x 1 vector containing the ambient component of 
the material property, and diffuse is a 4 x 1 vector
and specular is a 4 x 1 vector containing the specular
component of the material properties and shininess is
the exponent that governs the shinines of the material.
