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]]> backProjectionCut); // Modulate with spotlight image shadow *= spotLight; float4 ocolor = tex2D(trunkTexture, texCoord); // Shadow any light contribution except ambient return Ka * ocolor + (Kd * diffuse * ocolor + Ks * specular) * shadow; } ]]> backProjectionCut); // Modulate with spotlight image shadow *= spotLight; float4 ocolor = float4(0.0, 0.0, 0.0, 0.0); float2 epsilon = float2(epsilonX, epsilonY); float4 value = tex2D(indirectTexture, subTexCoord).xyzw; float2 coords = float2(0.0, 1.0) - abs(texCoord - ( value.xy - epsilon ) ); if (value.w != 0.0) { float2 newcoord = (float2(1.0, 1.0) - value.zw) + ((coords * sourceTextureSize) / sqrtNumSamples); ocolor = float4(tex2D(sourceTexture, newcoord).xyzw); ocolor = float4(Ka * ocolor.xyz + (Kd * diffuse * ocolor.xyz + Ks * specular) * shadow, ocolor.w); } // Shadow any light contribution except ambient return ocolor; } ]]> backProjectionCut); // Modulate with spotlight image shadow *= spotLight; // Shadow any light contribution except ambient return Ka * platformColor + (Kd * diffuse * platformColor + Ks * specular) * shadow; } ]]>