Miscellany
public text v1 · immutable glBegin(GL_TRIANGLES);
glEnable(GL_BLEND);
glColor4f(la->r,la->g,la->b,0.2);
glVertex3fv(vvec);
glColor4f(la->r,la->g,la->b,0.1);
glVertex3fv(vec);
glColor4f(la->r,la->g,la->b,0.0);
glVertex3fv(lvec);
glDisable(GL_BLEND);
glEnd();