private void FillIndicesWeights(ref VertexBoneIndicesWeights indicesWeights, int index, List <VertexArealBoneIndexWeight> tmpStorage)
{
if (index >= tmpStorage.Count)
{
return;
}
indicesWeights.Indices[index] = tmpStorage[index].Index;
indicesWeights.Weights[index] = tmpStorage[index].Weight;
}
private void NormalizeBoneWeights(ref VertexBoneIndicesWeights indicesWeights)
{
float sum = 0;
for (int it = 0; it < 4; it++)
{
sum += indicesWeights.Weights[it];
}
for (int it = 0; it < 4; it++)
{
indicesWeights.Weights[it] /= sum;
}
}
public VertexBoneIndicesWeights?GetAffectingBoneIndicesWeights(ref List <VertexArealBoneIndexWeight> tmpStorage)
{
if (!Triangle.BoneWeights.HasValue)
{
return(null);
}
if (tmpStorage == null)
{
tmpStorage = new List <VertexArealBoneIndexWeight>(4);
}
tmpStorage.Clear();
MyTriangle_BoneIndicesWeigths boneWeights = Triangle.BoneWeights.Value;
float u, v, w;
Vector3.Barycentric(IntersectionPointInObjectSpace, Triangle.InputTriangle.Vertex0,
Triangle.InputTriangle.Vertex1, Triangle.InputTriangle.Vertex2, out u, out v, out w);
FillIndicesWeightsStorage(tmpStorage, ref boneWeights.Vertex0, u);
FillIndicesWeightsStorage(tmpStorage, ref boneWeights.Vertex1, v);
FillIndicesWeightsStorage(tmpStorage, ref boneWeights.Vertex2, w);
tmpStorage.Sort(Comparison);
VertexBoneIndicesWeights indicesWeights = new VertexBoneIndicesWeights();
FillIndicesWeights(ref indicesWeights, 0, tmpStorage);
FillIndicesWeights(ref indicesWeights, 1, tmpStorage);
FillIndicesWeights(ref indicesWeights, 2, tmpStorage);
FillIndicesWeights(ref indicesWeights, 3, tmpStorage);
NormalizeBoneWeights(ref indicesWeights);
return(indicesWeights);
}
private void NormalizeBoneWeights(ref VertexBoneIndicesWeights indicesWeights)
{
float sum = 0;
for (int it = 0; it < 4; it++)
sum += indicesWeights.Weights[it];
for (int it = 0; it < 4; it++)
indicesWeights.Weights[it] /= sum;
}
private void FillIndicesWeights(ref VertexBoneIndicesWeights indicesWeights, int index, List<VertexArealBoneIndexWeight> tmpStorage)
{
if (index >= tmpStorage.Count)
return;
indicesWeights.Indices[index] = tmpStorage[index].Index;
indicesWeights.Weights[index] = tmpStorage[index].Weight;
}
public VertexBoneIndicesWeights? GetAffectingBoneIndicesWeights(ref List<VertexArealBoneIndexWeight> tmpStorage)
{
if (!Triangle.BoneWeights.HasValue)
return null;
if (tmpStorage == null)
tmpStorage = new List<VertexArealBoneIndexWeight>(4);
tmpStorage.Clear();
MyTriangle_BoneIndicesWeigths boneWeights = Triangle.BoneWeights.Value;
float u, v, w;
Vector3.Barycentric(IntersectionPointInObjectSpace, Triangle.InputTriangle.Vertex0,
Triangle.InputTriangle.Vertex1, Triangle.InputTriangle.Vertex2, out u, out v, out w);
FillIndicesWeightsStorage(tmpStorage, ref boneWeights.Vertex0, u);
FillIndicesWeightsStorage(tmpStorage, ref boneWeights.Vertex1, v);
FillIndicesWeightsStorage(tmpStorage, ref boneWeights.Vertex2, w);
tmpStorage.Sort(Comparison);
VertexBoneIndicesWeights indicesWeights = new VertexBoneIndicesWeights();
FillIndicesWeights(ref indicesWeights, 0, tmpStorage);
FillIndicesWeights(ref indicesWeights, 1, tmpStorage);
FillIndicesWeights(ref indicesWeights, 2, tmpStorage);
FillIndicesWeights(ref indicesWeights, 3, tmpStorage);
NormalizeBoneWeights(ref indicesWeights);
return indicesWeights;
}
