/// <summary>
/// 生成一个损毁的坦克，生成位置和状态与此脚本物体一致
/// </summary>
void DepolyADestroyedTank()
{
ctrller = tmp;
float x = Random.Range(-30.0f, 30);
float y = Random.Range(-15.0f, 15);
switch (ctrller)
{
case Ctrller.player:
destroyedTank = (GameObject)Resources.Load("Prefabs/Player");
CloneATank();
ctrller = Ctrller.player;
break;
case Ctrller.wingman:
destroyedTank = (GameObject)Resources.Load("Prefabs/Wingman");
CloneATank();
ctrller = Ctrller.wingman;
break;
case Ctrller.enemy:
GameObject GameController = GameObject.Find("GameController");
GameController.GetComponent <EnemyController>().enemyNums--;
destroyedTank = (GameObject)Resources.Load("Prefabs/enemy");
CloneATank();
Destroy(this.gameObject); //敌人血量为0时，复制新坦克到原位置，原坦克销毁
break;
}
this.transform.position = new Vector3(x, y, this.transform.position.z); //位置恢复
this.gameObject.GetComponent <Rigidbody2D>().constraints = RigidbodyConstraints2D.None;
this.gameObject.GetComponent <Rigidbody2D>().constraints = RigidbodyConstraints2D.FreezeRotation; //解冻
health = healthPre; //血量回复
bulletNum = bulleNumPre; //弹药恢复
}
/// <summary>
/// 根据被击中位置，减少血量
/// </summary>
/// <param name="isFront">是否为前装甲中弹</param>
public void UpdateHealth(bool isFront)
{
if (ctrller != Ctrller.destroyed) //没有被摧毁的情况下
{
if (isFront) //前装甲被击中，health.x减少damage.x血量
{
health = new Vector2(health.x - damage.x, health.y);
}
else //后装甲被击中，health.y减少damage.y血量
{
health = new Vector2(health.x, health.y - damage.y);
}
if (health.x < 0 || health.y < 0) //前后装甲任意一个损坏之后，不销毁车辆，冻结其位置和旋转，5秒后在原处生成一个损坏的车辆，原来的车辆恢复。
{
health = new Vector2(0, 0); //装甲值清零
ctrller = Ctrller.destroyed; //取消对该脚本物体的控制
remainChance--; //剩余机会减1
if (remainChance < 0)
{
isDone = true;
}
this.gameObject.GetComponent <Rigidbody2D>().constraints = RigidbodyConstraints2D.FreezeAll; //冻结该脚本物体
Invoke("DepolyADestroyedTank", 5); //5秒后生成损坏车辆，并解冻复位
}
}
}
private float targetAngle; //炮塔目标角度（度数）
void Start()
{
turret = this.transform.Find("Turret"); //获得炮塔物体
muzzle = turret.transform.Find("Muzzle"); //获得火焰物体
cannonBall = (GameObject)Resources.Load("Prefabs/CannonBalls"); //加载炮弹物体
// this.transform.localRotation = targetRotation;
ctrller = this.GetComponent <Tank>().ctrller; //同步炮塔的控制者为坦克控制者
muzzle.gameObject.SetActive(false); //将火焰不可见
}
private void Awake()
{
health = healthPre;
bulletNum = bulleNumPre;
remainChance = 2;
rigidbodyTank = this.transform.GetComponent <Rigidbody2D>();
audioMove = this.transform.GetComponent <AudioSource>();
tmp = ctrller;
destroyedVehicle = GameObject.Find("GameController/DestroyedVehicle");
}
/// <summary>
/// 修正敌人的炮塔角度，使其瞄准_ctrller
/// </summary>
/// <param name="_ctrller">被瞄准者</param>
private void AimTo(Ctrller _ctrller)
{
int deviation = Random.Range(0, deviation_max); //获得偏差量
//目标位置向量减去此敌人位置向量，得到差向量
switch (_ctrller)
{
case Ctrller.player:
vec = player.transform.position - this.transform.position;
break;
case Ctrller.wingman:
vec = wingman.transform.position - this.transform.position;
break;
}
//根据差向量，用反正切函数得到相对位置偏角，再用四元数targetRot表示，再加上偏差量
targetAng = 180 / Mathf.PI * Mathf.Atan2(vec.y, vec.x) + deviation;
targetRot = Quaternion.Euler(0, 0, targetAng);
}
void FixedUpdate()
{
ctrller = this.GetComponent <Tank>().ctrller; //同步炮塔的控制者为坦克控制者
switch (ctrller)
{
case Ctrller.player:
//player开火设定
// Fire(Input.GetButtonDown("Fire1"));
Fire(Input.GetKeyDown(KeyCode.K)); //按下了K键
//player转向设定
RotateTurret(Input.GetKey(KeyCode.J), Input.GetKey(KeyCode.L));
break;
case Ctrller.wingman:
//wingman开火
Fire(Input.GetKeyDown(KeyCode.Keypad2)); //按下了小键盘2键
//wingman转向
RotateTurret(Input.GetKey(KeyCode.Keypad1), Input.GetKey(KeyCode.Keypad3));
break;
}
}
