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C-/C++-Quelltext

//Pixelshder
float4 BumpMapPixelShader(PixelInputType input) : COLOR
{
    float4 textureColor;
    float4 bumpMap;
    float3 bumpNormal;
    float3 lightDir;
    float lightIntensity;
    float4 color;


    textureColor = tex2D( ColorMap, input.tex );
    
    bumpMap = tex2D( BumpMap, input.tex );

    bumpMap = (bumpMap * 2.0f) - 1.0f;

    bumpNormal = input.normal + bumpMap.x * input.tangent + bumpMap.y * input.binormal;
    
    bumpNormal = normalize(bumpNormal);

    lightDir = -lightDirection;

    if(!bOn)
    {
        lightIntensity = saturate(dot(input.normal, lightDir));
    }
    else
    {
        lightIntensity = saturate(dot(bumpNormal, lightDir));
    }

    color = saturate(diffuseColor * lightIntensity);

    color = color * textureColor;
    
    return color;
}

C-/C++-Quelltext

////////////////////////////////////////////////////////////////////////////////
// Pixel Shader
////////////////////////////////////////////////////////////////////////////////
float4 BumpMapPixelShader(PixelInputType input) : COLOR
{
    float4 textureColor;
    float4 bumpMap;
    float3 bumpNormal;
    float3 lightDir;
    float lightIntensity;
    float4 color;

    for(int i = 0; i <= 1; i++)
    {
        textureColor = tex2D( ColorMap, input.tex );
    
        bumpMap = tex2D( BumpMap, input.tex );

        // Expand the range of the normal value from (0, +1) to (-1, +1).
        bumpMap = (bumpMap * 2.0f) - 1.0f;

        bumpNormal = input.normal + bumpMap.x * input.tangent + bumpMap.y * input.binormal;
    
        bumpNormal = normalize(bumpNormal);

        float3 lD = lightDirection;
        if(i == 1)
        {
            lD.xy = 0.0f;
            lD.z = 1.0f;
        }

        lightDir = -lD;

        if(!bOn)
        {
            lightIntensity = saturate(dot(input.normal, lightDir));
        }
        else
        {
            lightIntensity = saturate(dot(bumpNormal, lightDir));
        }

        float4 C = diffuseColor;
        if(i == 0)
             C.rgb = 0.7f;
        else
        {
             C.r = 1.0f;
             C.gb = 0.0f;
        }
        color += saturate( C * lightIntensity);
    }
    color = color * textureColor;
    
    return color;
}