public static void CalculateWeights(this SpriteMeshData spriteMeshData, IWeightsGenerator weightsGenerator, ISelection selection, float filterTolerance)
{
Vector2[] controlPoints;
Edge[] bones;
int[] pins;
spriteMeshData.GetControlPoints(out controlPoints, out bones, out pins);
Vector2[] vertices = new Vector2[spriteMeshData.vertices.Count];
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
vertices[i] = spriteMeshData.vertices[i].position;
}
BoneWeight[] boneWeights = weightsGenerator.Calculate(vertices, spriteMeshData.edges.ToArray(), controlPoints, bones, pins);
Debug.Assert(boneWeights.Length == spriteMeshData.vertices.Count);
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
if (selection == null || (selection.Count == 0 || selection.IsSelected(i)))
{
EditableBoneWeight editableBoneWeight = EditableBoneWeightUtility.CreateFromBoneWeight(boneWeights[i]);
if (filterTolerance > 0f)
{
editableBoneWeight.FilterChannels(filterTolerance);
editableBoneWeight.NormalizeChannels();
}
spriteMeshData.vertices[i].editableBoneWeight = editableBoneWeight;
}
}
}
public static void RemoveBone(this EditableBoneWeight editableBoneWeight, int boneIndex)
{
int channelCount = editableBoneWeight.GetChannelCount();
for (int i = 0; i < channelCount; ++i)
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
if (data.boneIndex > boneIndex)
{
data.boneIndex -= 1;
}
else if (data.boneIndex == boneIndex)
{
data.boneIndex = 0;
data.weight = 0f;
editableBoneWeight.EnableChannel(i, false);
}
editableBoneWeight.SetBoneWeightData(i, data);
}
editableBoneWeight.NormalizeChannels();
editableBoneWeight.SortChannels();
}
private static EditableBoneWeight Lerp(EditableBoneWeight first, EditableBoneWeight second, float t)
{
EditableBoneWeight result = new EditableBoneWeight();
foreach (BoneWeightChannel channel in first)
{
if (!channel.enabled)
{
continue;
}
BoneWeightData data = channel.boneWeightData;
data.weight *= (1f - t);
if (data.weight > 0f)
{
result.AddChannel(data, true);
}
}
foreach (BoneWeightChannel channel in second)
{
if (!channel.enabled)
{
continue;
}
BoneWeightData data = channel.boneWeightData;
data.weight *= t;
if (data.weight > 0f)
{
result.AddChannel(data, true);
}
}
result.UnifyChannelsWithSameBoneIndex();
if (result.GetWeightSum() > 1f)
{
result.NormalizeChannels();
}
result.FilterChannels(0f);
result.ClampChannels(4, true);
return(result);
}
public static void SmoothWeights(BoneWeight[] boneWeightIn, IList <int> indices, int boneCount, BoneWeight[] boneWeightOut)
{
Debug.Assert(boneWeightIn != null);
Debug.Assert(boneWeightOut != null);
Debug.Assert(boneWeightIn != boneWeightOut);
Debug.Assert(boneWeightIn.Length == boneWeightOut.Length);
PrepareTempBuffers(boneWeightIn.Length, boneCount);
EditableBoneWeight editableBoneWeight = new EditableBoneWeight();
for (int i = 0; i < boneWeightIn.Length; ++i)
{
editableBoneWeight.SetFromBoneWeight(boneWeightIn[i]);
for (int channelIndex = 0; channelIndex < editableBoneWeight.GetChannelCount(); ++channelIndex)
{
if (editableBoneWeight.IsChannelEnabled(channelIndex))
{
BoneWeightData boneWeightData = editableBoneWeight.GetBoneWeightData(channelIndex);
m_DataInTemp[i, boneWeightData.boneIndex] = boneWeightData.weight;
}
}
}
SmoothPerVertexData(indices, m_DataInTemp, m_DataOutTemp);
for (int i = 0; i < boneWeightIn.Length; ++i)
{
editableBoneWeight.Clear();
for (int boneIndex = 0; boneIndex < boneCount; ++boneIndex)
{
float weight = m_DataOutTemp[i, boneIndex];
int boneIndex2 = weight > 0f ? boneIndex : 0;
editableBoneWeight.AddChannel(new BoneWeightData(boneIndex2, weight), weight > 0);
}
editableBoneWeight.ClampChannels(4);
editableBoneWeight.NormalizeChannels();
boneWeightOut[i] = editableBoneWeight.ToBoneWeight(false);
}
}
