/*
=============
R_DrawNullModel
=============
*/
void R_DrawNullModel (void)
{
	qglDepthMask ( GL_FALSE );
	qglBegin ( GL_LINES );

	qglColor4f ( 1, 0, 0, 0.5 );
	qglVertex3fv ( currententity->origin );
	qglVertex3f ( currententity->origin[0] + currententity->axis[0][0] * 15,
		currententity->origin[1] + currententity->axis[0][1] * 15, 
		currententity->origin[2] + currententity->axis[0][2] * 15);

	qglColor4f ( 0, 1, 0, 0.5 );
	qglVertex3fv ( currententity->origin );
	qglVertex3f ( currententity->origin[0] - currententity->axis[1][0] * 15,
		currententity->origin[1] - currententity->axis[1][1] * 15, 
		currententity->origin[2] - currententity->axis[1][2] * 15);

	qglColor4f ( 0, 0, 1, 0.5 );
	qglVertex3fv ( currententity->origin );
	qglVertex3f ( currententity->origin[0] + currententity->axis[2][0] * 15,
		currententity->origin[1] + currententity->axis[2][1] * 15, 
		currententity->origin[2] + currententity->axis[2][2] * 15);

	qglEnd ();
	qglDepthMask ( GL_TRUE );
}