void SaveDataChangeAt(int i, Bone prev, Bone next)
{
var change = next.Changed(prev);
if ((change & Bone.ChangeFlags.Position) != 0)
{
_syncPositionList [i] = next.position;
}
if ((change & Bone.ChangeFlags.Rotation) != 0)
{
_syncRotationList [i] = next.rotation;
}
if ((change & Bone.ChangeFlags.Scale) != 0)
{
_syncScaleList [i] = next.scale;
}
}