太空大战–声音与特效

主角子弹发射音效

选择主角游戏体，在菜单栏中选择Component->Audio->Audio Source组件。凡是需要发声的游戏体都需要该组件。

打开Player.cs脚本，添加代码。
1、添加声音源组件属性，和声音文件属性

//声音源
protected AudioSource m_audio;//子弹发射声音文件
public AudioClip m_shootClip;

2、在Start函数里获取游戏体的声音源组件

void Start()
{m_transform = this.transform;m_audio = GetComponent<AudioSource>();
}

3、在Update函数里添加播放声音的代码

if(Input.GetKey(KeyCode.Space) || Input.GetMouseButton(0))
{//创建子弹实例Instantiate(m_rocket, m_transform.position, m_transform.rotation);//播放声音m_audio.PlayOneShot(m_shootClip);}

将声音文件shoot.wav和m_shootClip关联。

关联完成后运行游戏，这时发射子弹就会有声音播放。

主角死亡特效

打开Player.cs，添加以下代码。
1、添加爆照特效的属性

//爆炸特效
public Transform m_explosionFX;

2、在OnTriggerEnter函数中添加创建爆炸特效的代码

private void OnTriggerEnter(Collider other)
{if(other.tag != "PlayerRocket"){m_life -= 1;if(m_life <= 0){Destroy(this.gameObject);Instantiate(m_explosionFX, m_transform.position, Quaternion.identity);}}
}

将爆炸特效属性与explosion.prefab文件关联。

这时主角死亡时就会产生爆炸的特效。

高级敌人发射子弹音效

选择Enemy2b游戏体和Enemy游戏体，按照之前的步骤添加Audio Source组件。
打开Player.cs，添加代码如下。
1、添加声音源组件属性

//声音源
protected AudioSource m_audio;

2、在Start函数里获取游戏体的声音源组件

void Start()
{m_transform = this.transform;m_audio = GetComponent<AudioSource>();
}

打开SuperEnemy.cs，添加代码如下。
1、添加声音文件属性

//子弹发射声音文件
public AudioClip m_shootClip;

2、在UpdateMove函数中添加播放声音文件代码

protected override void UpdateMove()
{//朝着主角方向前进transform.Translate(new Vector3(0, 0, -m_speed * Time.deltaTime));m_fireTimer -= Time.deltaTime;if(m_fireTimer <= 0){m_fireTimer = 2;if(m_player != null){//使用向量减法来获取朝向主角的向量方向Vector3 v = m_player.transform.position - transform.position;Instantiate(m_rocket, transform.position, Quaternion.LookRotation(v));//播放声音文件m_audio.PlayOneShot(m_shootClip);}else{GameObject obj = GameObject.FindGameObjectWithTag("Player");if(obj != null){m_player = obj.transform;}}}
}

将Shoot.wav与Enemy2b下的m_shootClip绑定。

敌人死亡特效

打开Enemy.cs，添加代码如下
1、添加爆炸特效的属性

//爆炸特效
public Transform m_explosionFX;

2、修改OnTriggerEnter函数，添加创建爆炸特效代码

void OnTriggerEnter(Collider other)
{//如果撞到的是主角子弹if (other.tag == "PlayerRocket") {//获取该子弹的Rocket属性Rocket rocket = other.GetComponent<Rocket>();if(rocket != null){m_life -= rocket.m_power;               if (m_life <= 0){Destroy(this.gameObject);Instantiate(m_explosionFX, m_transform.position, Quaternion.identity);}}}//如果撞到的是主角飞船else if(other.tag == "Player"){Destroy(this.gameObject);}
}

将explosion.prefab文件和Enemy下的m_explosionFX关联。

关联后敌人阵亡时就会产生爆炸的特效了。

完整的Player.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Player : MonoBehaviour
{//控制飞行速度public float m_speed = 1;//获取transform游戏组件Transform m_transform;//用来获取子弹的prefabpublic Transform m_rocket;//用来控制子弹的发射频率float m_rocketTime = 0;//主角生命public int m_life = 3;//声音源protected AudioSource m_audio;//子弹发射声音文件public AudioClip m_shootClip;//爆炸特效public Transform m_explosionFX;// Start is called before the first frame updatevoid Start(){m_transform = this.transform;//获取声音源组件m_audio = GetComponent<AudioSource>();}// Update is called once per framevoid Update(){//x轴方向移动的距离float moveh = 0;//z轴方向移动的距离float movev = 0;if (Input.GetKey(KeyCode.UpArrow)){movev += Time.deltaTime * m_speed;}if (Input.GetKey(KeyCode.DownArrow)){movev -= Time.deltaTime * m_speed;}if (Input.GetKey(KeyCode.LeftArrow)){moveh -= Time.deltaTime * m_speed;}if(Input.GetKey(KeyCode.RightArrow)){moveh += Time.deltaTime * m_speed;}m_transform.Translate(new Vector3(moveh, 0, movev));m_rocketTime -= Time.deltaTime;if(m_rocketTime <= 0){m_rocketTime = 0.1f; //控制发射频率为隔0.1秒可以发射一次//按住空格键或者鼠标左键可以发射子弹if(Input.GetKey(KeyCode.Space) || Input.GetMouseButton(0)){//创建子弹实例Instantiate(m_rocket, m_transform.position, m_transform.rotation);//播放声音m_audio.PlayOneShot(m_shootClip);}}}private void OnTriggerEnter(Collider other){if(other.tag != "PlayerRocket"){m_life -= 1;if(m_life <= 0){Destroy(this.gameObject);Instantiate(m_explosionFX, m_transform.position, Quaternion.identity);}}}
}

完整的Enemy.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Enemy : MonoBehaviour
{//敌人的速度public float m_speed = 1.0f;//敌人的生命public int m_life = 10;//获取敌人的transform组件Transform m_transform;//获取敌人的Renderer组件internal Renderer m_renderer;//判断是否激活internal bool m_isActiv = false;//声音源protected AudioSource m_audio;//爆炸特效public Transform m_explosionFX;// Start is called before the first frame updatevoid Start(){m_transform = this.transform;m_renderer = GetComponent<Renderer>();m_audio = GetComponent<AudioSource>();}private void OnBecameVisible(){m_isActiv = true;}// Update is called once per framevoid Update(){UpdateMove();if(m_isActiv && !m_renderer.isVisible){Destroy(this.gameObject);}}protected virtual void UpdateMove(){//让敌人左右移动float rx = Mathf.Sin(Time.time) * Time.deltaTime;//让敌人朝主角方向前进m_transform.Translate(new Vector3(rx, 0, -m_speed * Time.deltaTime));}void OnTriggerEnter(Collider other){//如果撞到的是主角子弹if (other.tag == "PlayerRocket") {//获取该子弹的Rocket属性Rocket rocket = other.GetComponent<Rocket>();if(rocket != null){m_life -= rocket.m_power;if (m_life <= 0){Destroy(this.gameObject);Instantiate(m_explosionFX, m_transform.position, Quaternion.identity);}}}//如果撞到的是主角飞船else if(other.tag == "Player"){Destroy(this.gameObject);}}
}

完整的SuperEnemy.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class SuperEnemy : Enemy
{// Start is called before the first frame update// 重写父类中的MoveUpdate方法//开火频率protected float m_fireTimer = 2;//获取主角属性protected Transform m_player;//获取子弹属性public Transform m_rocket;//子弹发射声音文件public AudioClip m_shootClip;protected override void UpdateMove(){//朝着主角方向前进transform.Translate(new Vector3(0, 0, -m_speed * Time.deltaTime));m_fireTimer -= Time.deltaTime;if(m_fireTimer <= 0){m_fireTimer = 2;if(m_player != null){//使用向量减法来获取朝向主角的向量方向Vector3 v = m_player.transform.position - transform.position;Instantiate(m_rocket, transform.position, Quaternion.LookRotation(v));//播放声音文件m_audio.PlayOneShot(m_shootClip);}else{GameObject obj = GameObject.FindGameObjectWithTag("Player");if(obj != null){m_player = obj.transform;}}}}
}