//-------------------------------------------------------------------------------------------------------
/**
* @brief FindPath 寻路算法
* @param curPos 当前位置
* @param tarPos 目标位置
* @param[out] path 输出路径
*/
public bool FindPath(Vector2 curPos, Vector2 tarPos, out List <Vector2> path)
{
path = null;
//UnityEngine.Profiler.BeginSample("FindPath");
PathMove.Instance().findPath(new Vector2(curPos.x, -curPos.y), new Vector2(tarPos.x, -tarPos.y), 0.0f, out path);
//UnityEngine.Profiler.EndSample();
if (path.Count <= 0)
{
return(false);
}
return(true);
}
//-------------------------------------------------------------------------------------------------------
// 获取地图上距离(计算阻挡)
public bool CalcDistance(Vector2 curPos, Vector2 tarPos, out float fDistance, TileType tileType = TileType.TileType_None)
{
if (tileType == TileType.TileType_None) // 直接计算直线距离
{
fDistance = Vector2.Distance(curPos, tarPos);
return(true);
}
//if(MapObstacle.Instance.Check())
float ShortestMoveDst = 0.1f;
MapGrid dstPt = MapGrid.GetMapGrid(new MapVector2(tarPos.x, tarPos.y));
Vector2 dir = tarPos - curPos;
dir.Normalize();
dir *= ShortestMoveDst;
MapGrid curPt = new MapGrid(0, 0);
var vecDst = tarPos;
bool bBlock = false; // 校验
for (; (vecDst - curPos).magnitude > ShortestMoveDst; curPos += dir)
{
var tmp = MapGrid.GetMapGrid(new MapVector2(curPos.x, curPos.y));
if (curPt != tmp)
{
curPt = tmp;
}
else
{
continue;
}
if (!MapObstacle.Instance.Check((int)curPt.x, (int)curPt.z, tileType))
{
bBlock = true;
break;
}
if (curPt == dstPt)
{
break;
}
}
fDistance = 0.0f;
if (!bBlock)
{
fDistance = Vector2.Distance(curPos, tarPos);
}
else
{
List <Vector2> path = null;
if (!PathMove.Instance().findPath(new Vector2(curPos.x, curPos.y), new Vector2(tarPos.x, tarPos.y), 0.0f, out path))
{
return(false);
}
Vector2 lastPos = curPos;
for (int i = 0; i < path.Count; ++i)
{
fDistance += Vector2.Distance(lastPos, path[i]);
lastPos = path[i];
}
}
return(true);
}
//-------------------------------------------------------------------------------------------------------
// 删除寻路回调
public void RemoveFindPathCallback(Action <List <Vector2> > findPath)
{
PathMove.Instance().PathFind -= findPath;
}
