36 lines
1.1 KiB
Plaintext
36 lines
1.1 KiB
Plaintext
import VertexData;
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import Common;
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import Scene;
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struct SkinnedMeshVertexData : VertexData
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{
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SkinnedMeshVertexAttributes getAttributes(uint index, float4x4 transform)
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{
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StaticMeshVertexAttributes attr;
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float4x4 boneTransform = float4x4(1.0f);
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for(int i = 0; i < 4; ++i)
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{
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boneTransform += bones[boneIndices[i]] * boneWeights[i];
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}
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float4 localPos = mul(boneTransform, float4(positions[index], 1));
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float4 worldPos = mul(transform, localPos);
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float4 viewPos = mul(viewParams.viewMatrix, worldPos);
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float4 clipPos = mul(viewParams.projectionMatrix, viewPos);
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attr.clipPosition = clipPos;
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attr.worldPosition = worldPos.xyz;
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attr.texCoords = texCoords[index];
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attr.normal = normals[index];
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attr.tangent = tangents[index];
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attr.biTangent = biTangents[index];
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return attr;
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}
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StructuredBuffer<float3> positions;
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StructuredBuffer<float2> texCoords;
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StructuredBuffer<float3> normals;
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StructuredBuffer<float3> tangents;
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StructuredBuffer<float3> biTangents;
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StructuredBuffer<int4> boneIndices;
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StructuredBuffer<float4> boneWeights;
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StructuredBuffer<float4x4> bones;
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}
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