/*****************************************************************************
The Dark Mod GPL Source Code

This file is part of the The Dark Mod Source Code, originally based
on the Doom 3 GPL Source Code as published in 2011.

The Dark Mod Source Code is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version. For details, see LICENSE.TXT.

Project: The Dark Mod (http://www.thedarkmod.com/)

******************************************************************************/
#version 330 core

#pragma tdm_include "tdm_utils.glsl"

uniform mat4 u_projectionMatrix;
uniform mat4 u_modelViewMatrix;
uniform vec4 u_localLightOrigin;

in vec4 attr_Position;
  
void main( void ) {
	vec4 projectedPosition = attr_Position;
	if( attr_Position.w != 1.0 ) {
		// project vertex position to infinity
		projectedPosition -= u_localLightOrigin;
	}
	gl_Position = objectPosToClip(projectedPosition, u_modelViewMatrix, u_projectionMatrix);
}