public void Write(GrnNode boneSecNode)
{
GrnBoneNode boneNode = new GrnBoneNode(boneSecNode);
boneNode.ParentIndex = this.ParentIndex;
boneNode.Position = this.Position;
boneNode.Rotation = this.Rotation;
boneNode.Scale = this.Scale;
boneSecNode.AppendChild(boneNode);
}