Vic

//-----------------------------------------------------------------------------// SkinnedModel.fx//// Microsoft Game Technology Group// Copyright (C) Microsoft Corporation. All rights reserved.//-----------------------------------------------------------------------------// Maximum number of bone matrices we can render using shader 2.0 in a single pass.// If you change this, update SkinnedModelProcessor.cs to match.#define MaxBones 59// Input parameters.float4x4 World;float4x4 View;float4x4 Projection;float4x4 Bones[MaxBones];float3 Light1Direction = normalize(float3(1, 1, -2));float3 Light1Color = float3(0.9, 0.8, 0.7);float3 Light2Direction = normalize(float3(-1, -1, 1));float3 Light2Color = float3(0.1, 0.3, 0.8);float3 AmbientColor = 0.2;texture Texture;sampler Sampler = sampler_state{    Texture = (Texture);    MinFilter = Linear;    MagFilter = Linear;    MipFilter = Linear;};// Vertex shader input structure.struct VS_INPUT{    float4 Position : POSITION0;    float3 Normal : NORMAL0;    float2 TexCoord : TEXCOORD0;    float4 BoneIndices : BLENDINDICES0;    float4 BoneWeights : BLENDWEIGHT0;};// Vertex shader output structure.struct VS_OUTPUT{    float4 Position : POSITION0;    float3 Lighting : COLOR0;    float2 TexCoord : TEXCOORD0;};// Vertex shader program.VS_OUTPUT VertexShader(VS_INPUT input){    VS_OUTPUT output;        // Blend between the weighted bone matrices.    float4x4 skinTransform = 0;        skinTransform += Bones[input.BoneIndices.x] * input.BoneWeights.x;    skinTransform += Bones[input.BoneIndices.y] * input.BoneWeights.y;    skinTransform += Bones[input.BoneIndices.z] * input.BoneWeights.z;    skinTransform += Bones[input.BoneIndices.w] * input.BoneWeights.w;        // Skin the vertex position.    float4 position = mul(input.Position, skinTransform);        output.Position = mul(mul(mul(position, View), Projection), World);    // Skin the vertex normal, then compute lighting.    float3 normal = normalize(mul(input.Normal, skinTransform));        float3 light1 = max(dot(normal, Light1Direction), 0) * Light1Color;    float3 light2 = max(dot(normal, Light2Direction), 0) * Light2Color;    output.Lighting = light1 + light2 + AmbientColor;    output.TexCoord = input.TexCoord;        return output;}// Pixel shader input structure.struct PS_INPUT{    float3 Lighting : COLOR0;    float2 TexCoord : TEXCOORD0;};// Pixel shader program.float4 PixelShader(PS_INPUT input) : COLOR0{    float4 color = tex2D(Sampler, input.TexCoord);    color.rgb *= input.Lighting;        return color;}technique SkinnedModelTechnique{    pass SkinnedModelPass    {        VertexShader = compile vs_2_0 VertexShader();        PixelShader = compile ps_2_0 PixelShader();    }}