void Start()
{
instance = this;
tempList = new List <Vector2>();
for (int i = 0; i < 10; i++)
{
tempList.Add(RoomGenerationInCircle.getRandomPointInCircle(100, 1));
}
// tempList.Add(new Vector2(-123,73));
// tempList.Add(new Vector2(108,-63));
// tempList.Add(new Vector2(-107,-46));
// tempList.Add(new Vector2(-39,-8));
// tempList.Add(new Vector2(-54,110));
triangles = Polygon2D.DelaunayTriangulation(tempList);
// foreach (var item in triangles)
// {
// Debug.DrawLine(item.pointA, item.pointB);
// Debug.DrawLine(item.pointA, item.pointC);
// Debug.DrawLine(item.pointC, item.pointB);
// }
// StartCoroutine(Draw());
}
private void Update()
{
foreach (var item in tempList)
{
Debug.DrawLine(item + Vector2.up, item + Vector2.down);
Debug.DrawLine(item + Vector2.left, item + Vector2.right);
}
foreach (var item in triangles)
{
Debug.DrawLine(item.pointA, item.pointB);
Debug.DrawLine(item.pointA, item.pointC);
Debug.DrawLine(item.pointC, item.pointB);
}
if (Input.GetKeyDown("space"))
{
tempList.RemoveRange(0, tempList.Count);
for (int i = 0; i < 10; i++)
{
tempList.Add(RoomGenerationInCircle.getRandomPointInCircle(100, 1));
}
triangles = Polygon2D.DelaunayTriangulation(tempList);
}
}
// todo 尝试使用异步完成
public IEnumerator GenerationRooms()
{
UnityEngine.Random.InitState(seed);
int currentFinishCount = 0;
float roomAverage = 0;
//设置当前状态
isGenerating = true;
for (int i = 0; i < RoomCount; i++)
{
// todo 将tilesize设定成参数。
// 生成房间初始位置
Vector2 pos = getRandomPointInEllipse(GenerateRadius, GenerateRadius, 1);
// Debug.Log("pos : " + pos);
// 房间大小可以使用随机也可以使用预制的房间
Vector2 size = getRandomSizeInCircle(RoomRadius, 2);
// Debug.Log("size : " + size);
roomAverage += size.Sum();
// 根据大小和初始位置生成房间
RoomForCircle temp = GenerationRoom(this.transform, pos, size, testSprtie);
roomList.Add(temp);
temp.transform.localScale = new Vector3(1, 1, 1);
// 设置物体碰撞完成时的callback回调
temp.rigidBody.onSimualtedFinishCallback += () => { currentFinishCount++; };
//延迟
yield return(new WaitForFixedUpdate());
}
// todo 可以自行调用来完成碰撞，减少随机性。可以通过随机来控制
float timer = 0;
while (timer < maxWaitTime && currentFinishCount < RoomCount)
{
yield return(new WaitForFixedUpdate());
timer += Time.fixedDeltaTime;
}
// 获取主要房间
roomAverage /= roomList.Count;
mainRoomList = GetMainRoom(roomList, roomAverage * mainRoomThreshold);
foreach (var room in mainRoomList)
{
// todo 可定制的主房间，使用代理
DrawRoomInTilemap(floorTilemap, wallTilemap, floorTile, wallTile, room.transform.position.ToVector2(), room.size);
}
// 通过三角剖分获取主要房间之间的联通路
List <Vector2> mainRoomPos = mainRoomList.ToPosition();
List <Triangle> triangles = Polygon2D.DelaunayTriangulation(mainRoomPos);
roadList = triangles.GetEdges();
foreach (var r in roadList)
{
Debug.DrawLine(mainRoomPos[r.indexA], mainRoomPos[r.indexB], Color.green, 1f);
}
// 使用最小生成树算法生成真实路径，
List <Edge> mainRoadList = GetMainRoad(roadList, mainRoomPos);
foreach (var r in mainRoadList)
{
Debug.DrawLine(mainRoomPos[r.indexA], mainRoomPos[r.indexB], Color.red, 1f);
}
// 算法思路：
// 将两个房间确定一个矩形范围，在范围中确定一个点，用作折现点。
foreach (var road in mainRoadList)
{
RoomForCircle roomA = mainRoomList[road.indexA];
RoomForCircle roomB = mainRoomList[road.indexB];
// todo 可定制的path 使用代理
// 获取房间之间的路径点, 获取的路径点头和尾分别是房间A和房间B的门口
Vector2[] PathPoints = GetPathsBetweenRoom(roomA, roomB);
GameObject pA = new GameObject("point0" + roomA.GetHashCode());
pA.transform.parent = this.gameObject.transform;
pA.transform.position = PathPoints[0];
for (int i = 0; i < PathPoints.Length - 1; i++)
{
Debug.DrawLine(PathPoints[i] + new Vector2(0.5f, 0.5f), PathPoints[i + 1] + new Vector2(0.5f, 0.5f), Color.white, 1f);
GameObject temp = new GameObject("point" + i);
temp.transform.parent = pA.transform;
temp.transform.position = PathPoints[i + 1] + new Vector2(0.5f, 0.5f);
}
// 对连线之间的房间进行选取，映射到tilemap中
// todo 可选的判断方法，间隔一个距离使用raycast 进行判断，减少性能消耗。
// BUG 房间内有概率出现走廊。
// BUG side房间的判断有时候有问题
for (int i = 0; i < PathPoints.Length - 1; i++)
{
RaycastHit2D[] result = new RaycastHit2D[mainRoadList.Count];// todo 这里的数量可以动态调整
int n = Physics2D.RaycastNonAlloc(
PathPoints[i] + new Vector2(0.5f, 0.5f),
(PathPoints[i + 1] - PathPoints[i]).normalized,
result, Vector2.Distance(PathPoints[i + 1], PathPoints[i]));
for (int j = 0; j < n; j++)
{
RaycastHit2D temp = result[j];
RoomForCircle room = temp.collider.gameObject.GetComponent <RoomForCircle>();
if (room.roomType == RoomType.NoneRoom)
{
room.roomType = RoomType.SideRoom;
room.sprite.color = Color.red;
// todo 可定制的side房间，使用代理
DrawRoomInTilemap(floorTilemap, wallTilemap, floorTile, wallTile, room.transform.position, room.size);
}
}
}
DrawHallwayInTilemap(floorTilemap, wallTilemap, floorTile, wallTile, PathPoints);
}
isGenerating = false;
this.gameObject.SetActive(false);
}
