public void Clear(int id)
{
if (id < 0)
{
logger.LogError("Invalid Id {}", id);
return;
}
var offsetInArray = GetOffSet(id);
if (offsetInArray + structSize > binaryArray.Count)
{
Debug.Assert(false);
return;
}
rwLock.EnterReadLock();
var array = binaryArray.GetInternalArray();
Array.Clear(array, offsetInArray, structSize);
rwLock.ExitReadLock();
}
/// <summary>
/// To the helix mesh with bones.
/// </summary>
/// <param name="mesh">The mesh.</param>
/// <returns></returns>
protected virtual BoneSkinnedMeshGeometry3D OnCreateHelixMeshWithBones(Mesh mesh)
{
var m = OnCreateHelixMesh(mesh);
var vertBoneIds = new FastList <BoneIds>(Enumerable.Repeat(new BoneIds(), m.Positions.Count));
var vertBoneInternal = vertBoneIds.GetInternalArray();
var accumArray = new int[m.Positions.Count];
var boneMesh = new BoneSkinnedMeshGeometry3D(m)
{
VertexBoneIds = vertBoneIds
};
for (var j = 0; j < mesh.BoneCount; ++j)
{
if (mesh.Bones[j].HasVertexWeights)
{
for (var i = 0; i < mesh.Bones[j].VertexWeightCount; ++i)
{
var vWeight = mesh.Bones[j].VertexWeights[i];
if (vWeight.VertexID >= accumArray.Length)
{
logger.LogWarning("Bone weight index is out of range. Num verts: {}; Bone vert index: {}",
accumArray.Length, vWeight.VertexID);
continue;
}
var currIdx = accumArray[vWeight.VertexID]++;
ref var id = ref vertBoneInternal[vWeight.VertexID];
switch (currIdx)
{
case 0:
id.Bone1 = j;
id.Weights.X = vWeight.Weight;
break;
case 1:
id.Bone2 = j;
id.Weights.Y = vWeight.Weight;
break;
case 2:
id.Bone3 = j;
id.Weights.Z = vWeight.Weight;
break;
case 3:
id.Bone4 = j;
id.Weights.W = vWeight.Weight;
break;
}
}
}
}