坦克代码

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

public class player : MonoBehaviour
{

    private SpriteRenderer spriteRender; // 精灵渲染
    public Sprite[] tankSprite; //坦克的精灵数组，左右  
    public float moveSpeed = 3f;
    public GameObject bulletPrefab;//子弹预制体
    public float speed = 5f;
    private Vector3 bulletEulerAngles; //子弹旋转角度
   
    // Use this for initialization
    void Start()
    {
        spriteRender = this.GetComponent<SpriteRenderer>(); //获取到精灵渲染组件
    }

    // Update is called once per frame
    //void Update()
    //{
    //    float h = Input.GetAxisRaw("Horizontal"); //水平轴 x方向(-1,1)
    //    transform.Translate(Vector3.right * h * moveSpeed * Time.deltaTime, Space.World); //
    //    if (h > 0)  //向右移动
    //    {
    //        spriteRender.sprite = tankSprite[1]; //向右移动的图片
    //    }
    //    else if (h < 0)
    //    {
    //        spriteRender.sprite = tankSprite[3]; //向左移动
    //    }
    //    float v = Input.GetAxisRaw("Vertical"); // 垂直方向
    //    transform.Translate(Vector3.up * v * moveSpeed * Time.deltaTime, Space.World);
    //    if(v > 0)
    //    {
    //        spriteRender.sprite = tankSprite[0];
    //    }
    //    else if (v < 0)
    //    {
    //        spriteRender.sprite = tankSprite[2];
    //    }
    //}
    void FixedUpdate()
    {
        Move();
        Attack();
    
    }
    //tank 的移动方法
    void Move()
    {
        float h = Input.GetAxisRaw("Horizontal"); //水平轴 x方向(-1,1)
        transform.Translate(Vector3.right * h * moveSpeed * Time.fixedDeltaTime, Space.World); //
        if (h > 0)  //向右移动
        {
            spriteRender.sprite = tankSprite[1]; //向右移动的图片
            bulletEulerAngles = new Vector3(0, 0, -90);
        }
        else if (h < 0)
        {
            spriteRender.sprite = tankSprite[3]; //向左移动
            bulletEulerAngles = new Vector3(0, 0, 90);
        }

        if (h != 0)
        {
            return;
        }

        float v = Input.GetAxisRaw("Vertical"); // 垂直方向
        transform.Translate(Vector3.up * v * moveSpeed * Time.fixedDeltaTime, Space.World);
        if (v > 0) //向前移动
        {
            spriteRender.sprite = tankSprite[0];
            bulletEulerAngles = new Vector3(0, 0, 0);
        }
        else if (v < 0) //向后
        {
            spriteRender.sprite = tankSprite[2];
            bulletEulerAngles = new Vector3(0, 0, -180);
        }
    }

    //坦克的攻击方法
    void Attack()
    {
        if ( Input.GetKeyDown(KeyCode.Space))   //如果按下空格键就发射子弹
        {
            GameObject go = GameObject.Instantiate(bulletPrefab, transform.position, Quaternion.Euler(transform.eulerAngles + bulletEulerAngles));
            Destroy(go, 2f); Destroy(go, 2f);//两秒后销毁子弹
        }
        
    }
}