// Copyright 2006-2010 (C) - Frictional Games
//
// This file is part of HPL1 Engine
//
// For conditions of distribution and use, see copyright notice in LICENSE-shaders
//

///////////////////////////////////////////////////////
/// SIMPLE DIFFUSE COLOR VERTEX PROGRAM ////////////
///////////////////////////////////////////////////////

vec4 position = gl_Vertex;
vec4 color = gl_Color;
vec3 uv = gl_MultiTexCoord0.xyz;

out vec4 vColor;
out vec2 vUv;
out float vFogUv;

uniform mat4 worldViewProj;
uniform float fogStart;
uniform float fogEnd;

void main()
{
	gl_Position = (worldViewProj * position);

	vUv = uv.xy;
	vFogUv = (fogEnd - gl_Position.z)/(fogEnd - fogStart);
	vColor = clamp(color, vec4(0.0), vec4(1.0));
}