/// <summary>
/// 添加子父物体
/// </summary>
/// <returns></returns>
public InteractionParent AddParent()
{
if (interactionParent == null)
{
interactionParent = new InteractionParent();
}
return(interactionParent);
}
/// <summary>
/// 移除父子关系
/// </summary>
public void RemoveParent()
{
interactionParent = null;
}
