Tilemap World和Local的空间转换

Tilemap_WorldLocal_Convert.cs

        /// <summary>
        /// World -> World
        /// 比如房间的墙体放在Map里面去Gen,在Logic层存储的都是WorldTileIndex,这样和Modify的Tile去混合时候都可以使用一套相同的坐标系
        /// </summary>
        public static Vector2Int WorldPos_To_WorldTileIndex(Vector3 _worldPos) { return new(Mathf.FloorToInt(_worldPos.x), Mathf.FloorToInt(_worldPos.y)); }


        /// <summary>
        /// 把Tilemap的局部Index转到世界做标下
        /// </summary>
        public static Vector2Int LocalIndexToWorldIndex(this Tilemap _target, Vector2Int _localIndex)
        {
            var tileCenterWorldPosV3 = _target.GetCellCenterWorld(new Vector3Int(_localIndex.x, _localIndex.y, 0));
            return WorldPos_To_WorldTileIndex(tileCenterWorldPosV3);
        }

        /// <summary>
        /// 世界TileIndex->Local TileIndex
        /// </summary>
        public static Vector3Int WorldIndexToLocalIndex(this Tilemap _target, Vector2Int _worldIndex)
        {
            var worldTileCenterPos = new Vector3(_worldIndex.x + 0.5f, _worldIndex.y + 0.5f, 0);
            return _target.WorldToCell(worldTileCenterPos);
        }