using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ShootLogic : MonoBehaviour
{
    [Tooltip("子弹出口")]
    public GameObject shootPoint;
    [Tooltip("弹舱")]
    public Transform magazine;
    [Tooltip("子弹预设体")]
    public GameObject bulletPrefab;
    [Tooltip("炮筒")]
    public GameObject barrel;
    [Tooltip("炮筒旋转速度")]
    public float turnSpeed = 5;
    

    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space)) this.InvokeRepeating("Shoot", 0.5f, 0.5f);
        if (Input.GetKeyUp(KeyCode.Space)) this.CancelInvoke("Shoot");

        if (Input.GetKeyDown(KeyCode.A)) this.InvokeRepeating("LeftTurn", 0, 0.1f);
        if (Input.GetKeyUp(KeyCode.A)) this.CancelInvoke("LeftTurn");
        if (Input.GetKeyDown(KeyCode.D)) this.InvokeRepeating("RightTurn", 0, 0.1f);
        if (Input.GetKeyUp(KeyCode.D)) this.CancelInvoke("RightTurn"); 
        if (Input.GetKeyDown(KeyCode.W)) this.InvokeRepeating("UpTurn", 0, 0.1f);
        if (Input.GetKeyUp(KeyCode.W)) this.CancelInvoke("UpTurn"); 
        if (Input.GetKeyDown(KeyCode.S)) this.InvokeRepeating("DownTurn", 0, 0.1f);
        if (Input.GetKeyUp(KeyCode.S)) this.CancelInvoke("DownTurn"); 

    }

    void Shoot()
    {
        GameObject bullet = Object.Instantiate(bulletPrefab, magazine);
        bullet.transform.position = shootPoint.transform.position;
        bullet.transform.eulerAngles = barrel.transform.eulerAngles;
    }

    void LeftTurn()
    {
        if (this.transform.eulerAngles.y > 300 || this.transform.eulerAngles.y < 60) this.transform.Rotate(0, -turnSpeed, 0, Space.Self);
    }
    void RightTurn()
    {
        if (this.transform.eulerAngles.y > 300 || this.transform.eulerAngles.y < 60) this.transform.Rotate(0, turnSpeed, 0, Space.Self);
    }
    void UpTurn()
    {
        if (this.transform.eulerAngles.x > 330) this.transform.Rotate(-turnSpeed, 0, 0, Space.Self);
    }
    void DownTurn()
    {
        if (this.transform.eulerAngles.x < 30) this.transform.Rotate(turnSpeed, 0, 0, Space.Self);
    }
}