private void OnTriggerEnter2D(Collider2D collision)
{
// 吃掉食物，并且重新生成食物，而且还有20%的几率生成奖励 Reward
if (collision.gameObject.CompareTag("Food"))
{
Destroy(collision.gameObject);
mainUIController.UpdateScoreAndLength();
// 20% 的几率生成 Reward
foodMaker.MakeFoods((Random.Range(0, 100) < 20 ? true : false));
// 吃掉食物生成蛇身
SnakeBodySpawn();
}
else if (collision.gameObject.CompareTag("Reward"))
{
Destroy(collision.gameObject);
mainUIController.UpdateScoreAndLength(Random.Range(20, 200));
// 吃掉食物生成蛇身
SnakeBodySpawn();
}
else if (collision.gameObject.CompareTag("SnakeBody"))
{
Die();
}
else
{
// 有边界撞墙直接死亡
if (mainUIController.isBorder == true)
{
Die();
}
else
{
switch (collision.gameObject.name)
{
case "Up":
transform.localPosition = new Vector3(transform.localPosition.x,
-transform.localPosition.y + 30, transform.localPosition.z);
break;
case "Down":
transform.localPosition = new Vector3(transform.localPosition.x,
-transform.localPosition.y - 30, transform.localPosition.z);
break;
case "Left":
transform.localPosition = new Vector3(-transform.localPosition.x + 120,
transform.localPosition.y, transform.localPosition.z);
break;
case "Right":
transform.localPosition = new Vector3(-transform.localPosition.x + 180,
transform.localPosition.y, transform.localPosition.z);
break;
}
}
}
}
