struct VertexOut
{
	float4 VertexPosition		:POSITION;
	float	Z					:TEXCOORD;

};


/*
  Vertex program for cloud rendering 
*/
VertexOut VertexProgram( float4 Position :POSITION,
						uniform float4x4 ModelViewProj	:state.matrix.mvp,
						uniform float4x4 ModelViewMatrix:state.matrix.modelview
						)									
{
	VertexOut Out;	
	
	float4 p=mul(ModelViewProj,Position);
	Out.VertexPosition=p;
	float4 CamPos=mul(ModelViewMatrix,Position);
	Out.Z=CamPos.z;
	
	return Out;	
}

/*
  Fragment program for cloud rendering 
*/
float4 FragmentProgram(	VertexOut	In,
						uniform samplerRECT Texture						
						):COLOR
{
	//float4 Color=float4(1,0,0,1);
	float4 Color=float4(0,0,0,1);
	Color=float4(In.Z,In.Z,In.Z,1);
	return Color;
}