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Text File  |  2007-08-03  |  237b  |  5 lines
  1. sampler bump_normalmap;
  2. float4 main(float2 texCoord: TEXCOORD0, float3 lightVec: TEXCOORD1) : COLOR {
  3.    float3 bump = tex2D(bump_normalmap, texCoord) * 2 - 1;
  4.    return pow(saturate(dot(normalize(lightVec), normalize(bump))), 64);
  5. }