/// <summary>
/// 按照给定的偏移量计算是否这个邻居是临近的状态，如果是就组在一起
/// </summary>
/// <param name="neighbour">The neighbour.</param>
/// <param name="neighbourOffset">The neighbour offset.</param>
/// <returns>临近返回true，否则false</returns>
bool CheckNearNeighbour(GameObject neighbour, Vector2 neighbourOffset)
{
if (neighbour == null)
{
return(false);
}
PieceController neighbourController = neighbour.GetComponent <PieceController>();
//处在同一个组内部，不需要再组了，也不需要移动位置，所以直接返回true
if (isInGroup && neighbourController.groupController == groupController)
{
return(true);
}
//其他情况
Vector2 pos = transform.position;
//计算临近状态代表的一个rect，中心就是邻居的旁边，rect的大小是允许的误差值，在这个rect内就算是临近
Rect automoveRange = new Rect(0, 0, 2 * boardManager.maxAutoMoveDistance, 2 * boardManager.maxAutoMoveDistance);
Vector2 neighbourPos = neighbour.transform.position;
automoveRange.center = neighbourPos + neighbourOffset;
if (automoveRange.Contains(pos))
{
if (isInGroup == false)
{
//两个都不在组里
if (neighbourController.isInGroup == false)
{
transform.position = automoveRange.center;
//把两个组成一个新的group
GroupControler.CreatePieceGroup(this, neighbour.GetComponent <PieceController>());
}
//对方在组里
else
{
transform.position = automoveRange.center;
//把自己加入邻居的group
neighbourController.groupController.AddChild(this);
}
}
else
{
Vector3 offset = new Vector3(automoveRange.center.x, automoveRange.center.y) - transform.position;
//两个都在组里但是不在同一个组,将自己的组内成员全部转移到对方组内，同时位移，然后删除原来的组
if (neighbourController.isInGroup == true)
{
groupController.ChangeGroupThenSelfdestroy(neighbourController.groupController, offset);
}
//对方不在组里,将其加入自己的组内
else
{
groupController.MoveAllChild(offset);
groupController.AddChild(neighbourController);
}
}
return(true);
}
return(false);
}
/// <summary>
/// Changes the group then selfdestroy.将自己的所有child转移到另一个group，进行位移，然后删除自己
/// </summary>
/// <param name="changeTo">The change to.</param>
/// <param name="moveOffset">The move offset.</param>
public void ChangeGroupThenSelfdestroy(GroupControler changeTo, Vector3 moveOffset)
{
for (int i = 0; i < child.Count; i++)
{
child[i].transform.position = child[i].transform.position + moveOffset;
changeTo.AddChild(child[i]);
}
Destroy(gameObject);
}
/// <summary>
/// Creates the piece group.
/// </summary>
/// <param name="original">The original.</param>
/// <param name="neighbour">The neighbour.</param>
public static void CreatePieceGroup(PieceController original, PieceController neighbour)
{
//创建一个group对象作为父节点，其坐标为0
GameObject groupPiece = new GameObject();
groupPiece.transform.SetParent(original.transform.parent);
groupPiece.transform.position = Vector3.zero;
groupPiece.AddComponent <GroupControler>();
GroupControler controller = groupPiece.GetComponent <GroupControler>();
//将这两个对象的父节点都修改为这个
original.transform.SetParent(groupPiece.transform);
neighbour.transform.SetParent(groupPiece.transform);
//修改这两个对象的标志位
original.isInGroup = true;
neighbour.isInGroup = true;
original.groupController = controller;
neighbour.groupController = controller;
//记录这两个对象
controller.child.Add(original);
controller.child.Add(neighbour);
}
