private void SpawnExit(List <int> _avaliableIndex)
{
if (_avaliableIndex.Count >= 4)
{
float x = w - 1.5f;
float y = Random.Range(1, h) - 0.5f;
Vector2[] vec2 = new[] { new Vector2(+0.5f, -0.5f), new Vector2(+0.5f, +0.5f)
, new Vector2(-0.5f, -0.5f), new Vector2(-0.5f, +0.5f) };
BaseElement exit = SetElement <ExitElement>((int)(x + vec2[0].x), (int)(y + vec2[0].y));
exit.transform.position = new Vector3(x, y, 0);
exit.GetComponent <BoxCollider2D>().size = new Vector2(2, 2);
//Destroy(exit.GetComponent<BoxCollider2D>());
//exit.gameObject.AddComponent<BoxCollider2D>();
for (int i = 0; i < vec2.Length; i++)
{
_avaliableIndex.Remove(GetIndexByPos((int)(x + vec2[i].x), (int)(y + vec2[i].y)));
if (i != 0)
{
Destroy(MapArray[(int)(x + vec2[i].x), (int)(y + vec2[i].y)].gameObject);
MapArray[(int)(x + vec2[i].x), (int)(y + vec2[i].y)] = exit;
}
}
}
}
/// <summary>
/// 生成出口
/// </summary>
/// <param name="availableIndex">尚未初始化的地图元素的索引值列表</param>
private void GenerateExit(List <int> availableIndex)
{
float x = w - 1.5f;
float y = Random.Range(1, h) - 0.5f;
BaseElement exit = SetElement(GetIndex((int)(x + 0.5), (int)(y - 0.5)), ElementContent.Exit);
exit.transform.position = new Vector3(x, y, 0);
Destroy(exit.GetComponent <BoxCollider2D>());
exit.gameObject.AddComponent <BoxCollider2D>();
availableIndex.Remove(GetIndex((int)(x + 0.5), (int)(y - 0.5)));
availableIndex.Remove(GetIndex((int)(x + 0.5), (int)(y + 0.5)));
availableIndex.Remove(GetIndex((int)(x - 0.5), (int)(y - 0.5)));
availableIndex.Remove(GetIndex((int)(x - 0.5), (int)(y + 0.5)));
Destroy(mapArray[(int)(x + 0.5), (int)(y + 0.5)].gameObject);
Destroy(mapArray[(int)(x - 0.5), (int)(y - 0.5)].gameObject);
Destroy(mapArray[(int)(x - 0.5), (int)(y + 0.5)].gameObject);
mapArray[(int)(x + 0.5), (int)(y + 0.5)] = exit; //空的位置都指向exit位置
mapArray[(int)(x - 0.5), (int)(y - 0.5)] = exit;
mapArray[(int)(x - 0.5), (int)(y + 0.5)] = exit;
}