OK It works, but I have a problem ... The projected image is distorted on the edges.

How can I solve this problem?

screeny:


my code:

Code:

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//--------------------------------------------------------------
//		Texture Projection Shader HLSL
//
//			© by zSteam
//
//		date: 19.10.2007
// -------------------------------------------------------------

float4x4 matWorldViewProj;
float4x4 matMtl;

struct VS_OUTPUT
{
	float4 oPos	: POSITION;
	float2 oTex0	: TEXCOORD0;
	float2 oTex1	: TEXCOORD1;
};

VS_OUTPUT mainVS( float4 Pos : POSITION, float2 Tex : TEXCOORD0 )
{
	float2 tps;

	VS_OUTPUT Out = (VS_OUTPUT) 0; 

	Out.oPos = mul(Pos, matWorldViewProj);
				
	tps = mul(Pos, matMtl) * 0.01f;
	tps = (tps * 0.5f) + 0.5f;

	Out.oTex0.xy = tps.xy;
	Out.oTex1.xy = Tex.xy;

	return Out;
}

texture entSkin1;
texture mtlSkin1;

sampler ColorMapSampler = sampler_state
{
	Texture = <entSkin1>;
	MinFilter = Linear;
	MagFilter = Linear;
	MipFilter = Linear;   
};

sampler ProjTex = sampler_state
{
	Texture = <mtlSkin1>;
	MinFilter = Linear;
	MagFilter = Linear;
	MipFilter = Linear;   
	AddressU  = Clamp; // don't wrap around edges
	AddressV  = Clamp; // don't wrap around edges
};

float4 mainPS(float2 Tex0 : TEXCOORD0, float2 Tex1 : TEXCOORD1 ) : COLOR
{
	float4 base = tex2D(ColorMapSampler, Tex1);
	float4 proj = tex2D(ProjTex, Tex0)*4;

	return (base*proj);
}

technique projector
{
	pass p1
	{
		VertexShader = compile vs_1_1 mainVS();
		PixelShader = compile ps_1_1 mainPS();
	}
}

technique fallback { pass one { } }
  

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