glMaterial*()
GLfloat mat0_ambient[ ] = {0.2, 0.2, 0.2, 1.0};
GLfloat mat0_diffuse[ ] = {0.7, 0.0, 0.0, 1.0};
GLfloat mat0_specular[ ] = {1.0, 1.0, 1.0, 1.0};
GLfloat mat0_shininess[ ] = {5.0};
glMaterialfv(GL_FRONT,
GL_AMBIENT, mat0_ambient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat0_diffuse);
glMaterialfv(GL_FRONT,
GL_SPECULAR, mat0_specular);
glMaterialfv(GL_FRONT,
GL_SHININESS, mat0_shininess);