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);
}
private void SetWeight(float value, bool createNewChannel = true)
{
if (boneIndex == -1)
{
return;
}
Debug.Assert(selection != null);
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
if (selection.Count == 0 && emptySelectionEditsAll ||
selection.Count > 0 && selection.IsSelected(i))
{
EditableBoneWeight editableBoneWeight = spriteMeshData.vertices[i].editableBoneWeight;
int channel = editableBoneWeight.GetChannelFromBoneIndex(boneIndex);
if (channel == -1)
{
if (createNewChannel)
{
editableBoneWeight.AddChannel(new BoneWeightData(boneIndex, 0f), true);
channel = editableBoneWeight.GetChannelFromBoneIndex(boneIndex);
}
else
{
continue;
}
}
BoneWeightData data = editableBoneWeight.GetBoneWeightData(channel);
data.weight += value;
editableBoneWeight.SetBoneWeightData(channel, data);
if (editableBoneWeight.GetWeightSum() > 1f)
{
editableBoneWeight.CompensateOtherChannels(channel);
}
editableBoneWeight.FilterChannels(0f);
}
}
}
public static void NormalizeChannels(this EditableBoneWeight editableBoneWeight)
{
ValidateChannels(editableBoneWeight);
float sum = editableBoneWeight.GetWeightSum();
if (sum == 0f || sum == 1f)
{
return;
}
for (int i = 0; i < editableBoneWeight.GetChannelCount(); ++i)
{
if (editableBoneWeight.IsChannelEnabled(i))
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
data.weight = data.weight / sum;
editableBoneWeight.SetBoneWeightData(i, data);
}
}
}
