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Quellcode

float4x4 WorldMatrix;
float4x4 ViewMatrix;
float4x4 ProjectionMatrix;

struct VS_OUTPUT
{
    float4 Position : POSITION;
    float3 Normal   : TEXCOORD1;
};

VS_OUTPUT vs_main(float4 Position : POSITION, float3 Normal : NORMAL)
{
    VS_OUTPUT Out = (VS_OUTPUT) 0;

    float4 worldPosition = mul(Position, WorldMatrix);  
    float4 viewPosition  = mul(worldPosition, ViewMatrix);  
 
    Out.Position = mul(viewPosition, ProjectionMatrix); 
    Out.Normal   = Normal;
 
    return Out;
}


float4 ps_main(float4 Position : POSITION, float3 Normal : TEXCOORD1) : COLOR0
{
    float4 LightDir = {1.0f, -0.3f, 1.0f, 1.0f};

    return (dot(LightDir, Normal)+0.2f);
}

technique aaa
{
    pass Pass0
    {
        VertexShader = compile vs_2_0 vs_main();
        PixelShader  = compile ps_2_0 ps_main();
    }
}

Quellcode

return (dot(LightDir, Normal)+0.2f);

Quellcode

int LightCount;
float4 LightColor[LightCount];
float3 LightDirection[LightCount];