S老师 打飞机 学习

using UnityEngine;
using System.Collections;

/// <summary>
/// 奖励
/// </summary>
public class Award : MonoBehaviour {

    public int type = 0; //0 gun   1 explode

    public float speed = 1.5f;


    void Update(){
        this.transform.Translate( Vector3.down*Time.deltaTime*speed );
        if(this.transform.position.y<=-4.5f){
            Destroy(this.gameObject);
        }
    }
}

using UnityEngine;
using System.Collections;


/// <summary>
/// 背景移动
/// </summary>
public class BackgroundTransform : MonoBehaviour {

    public static float moveSpeed = 2f;
    
    void Update () {
        this.transform.Translate( Vector3.down * moveSpeed * Time.deltaTime );
        Vector3 postion = this.transform.position;
        if(postion.y<=-8.52f){
            this.transform.position = new Vector3(postion.x,postion.y+8.52f*2,postion.z );
        }
    }
}

using UnityEngine;
using System.Collections;

/// <summary>
/// 子弹
/// </summary>
public class Bullet : MonoBehaviour {

    public float speed = 2;
    
    // Update is called once per frame
    void Update () {
        transform.Translate( Vector3.up * speed *Time.deltaTime );
        if(transform.position.y>4.3f){
            Destroy(this.gameObject);
        }
    }

    void OnTriggerEnter2D(Collider2D other) {
        if(other.tag=="Enemy"){
            if(!other.GetComponent<Enemy>().isDeath){
                other.gameObject.SendMessage("BeHit");
                GameObject.Destroy(this.gameObject);
            }
        }
    }

}

using UnityEngine;
using System.Collections;

public enum EnemyType{
    smallEnemy,
    middleEnemy,
    bigEnemy
}

/// <summary>
/// 敌人
/// </summary>
public class Enemy : MonoBehaviour {

    public int hp = 1;

    public float speed = 2;

    public int score = 100;

    public EnemyType type= EnemyType.smallEnemy;

    public bool isDeath = false;

    public Sprite[] explosionSprites;

    private float timer=0;

    public int explosionAnimationFrame=10;

    private SpriteRenderer render;

    public float hitTimer = 0.2f;
    private float resetHitTime ;

    public Sprite[] hitSprites;

    // Use this for initialization
    void Start () {
        render = this.GetComponent<SpriteRenderer>();

        resetHitTime=hitTimer;
        hitTimer=0;
    }
    
    // Update is called once per frame
    void Update () {
        this.transform.Translate( Vector3.down*speed*Time.deltaTime );
        if(this.transform.position.y<=-5.6f){
            Destroy(this.gameObject);
        }

        if(isDeath){
                timer+=Time.deltaTime;// 0
                int frameIndex = (int)(timer/(1f/explosionAnimationFrame));
                if(frameIndex>=explosionSprites.Length){
                    //destroy
                    Destroy(this.gameObject);
                }else{
                    render.sprite= explosionSprites[frameIndex];
                }
        }else{
            if(type==EnemyType.middleEnemy||type==EnemyType.bigEnemy){
                if(hitTimer>=0){
                    hitTimer-=Time.deltaTime;

                    int frameIndex = (int)((resetHitTime-hitTimer)/(1f/explosionAnimationFrame));
                    frameIndex%=2;
                    render.sprite= hitSprites[frameIndex];
                }
            }
        }
    }

    public void BeHit(){
        hp-=1;
        // explosion
        if(hp<=0){
            toDie();
        }else{
            hitTimer=resetHitTime;
        }
    }

    private void toDie(){
        if(!isDeath){
            isDeath=true;
            GameManager._instance.score+=score;
        }
    }
}

using UnityEngine;
using System.Collections;

public enum GameState{
    Runing,
    Pause
}

/// <summary>
/// 游戏管理
/// </summary>
public class GameManager : MonoBehaviour {

    public static GameManager _instance;

    public int score=0;

    private GUIText guiText;
    public GameState gameState = GameState.Runing;

    void Awake(){
        _instance=this;
        guiText=GameObject.FindGameObjectWithTag("ScoreGUI").GetComponent<GUIText>();
    }
    
    // Update is called once per frame
    void Update () {
        guiText.text="Score:"+score;
    }
    public void transfromGameState(){
        if(gameState==GameState.Runing){
            pauseGame();
        }else if(gameState==GameState.Pause){
            continueGame();
        }
    }

    public void pauseGame(){
        Time.timeScale=0;// time.delatTime = 0
        gameState=GameState.Pause;
    }
    public void continueGame(){
        Time.timeScale=1;
        gameState=GameState.Runing;
    }
}

using UnityEngine;
using System.Collections;

/// <summary>
/// 游戏暂停
/// </summary>
public class GamePause : MonoBehaviour {

    void OnMouseUpAsButton() {
        print ("click me!");
        GameManager._instance.transfromGameState();

        GetComponent<AudioSource>().Play();
    }

}

using UnityEngine;
using System.Collections;

/// <summary>
/// 飞机的枪
/// </summary>
public class Gun : MonoBehaviour {

    public float rate =0.2f;

    public GameObject bullet;


    public void fire(){
        GameObject.Instantiate(bullet,transform.position,Quaternion.identity );
    }

    public void openFire(){
        InvokeRepeating("fire",1,rate);
    }

    public void stopFire(){
        CancelInvoke("fire");
    }

}

using UnityEngine;
using System.Collections;

/// <summary>
/// 飞机
/// </summary>
public class Hero : MonoBehaviour {

    public bool animation = true;

    public int frameCountPersconds = 10;

    public float timer  = 0;

    public Sprite[] sprites;

    public float superGunTime = 10f;

    public Gun gunTop;
    public Gun gunLeft;
    public Gun gunRight;

    private float resetSuperGunTime ;

    private SpriteRenderer spriteRender;

    private bool isMouseDown = false;

    private Vector3 lastMousePosition = Vector3.zero;

    private Transform hero;

    private int gunCount =1;

    void Start(){
        spriteRender = this.GetComponent<SpriteRenderer>();
        hero = GameObject.FindGameObjectWithTag("Player").transform;

        resetSuperGunTime = superGunTime;
        superGunTime=0;

        gunTop.openFire();
    }

    // Update is called once per frame
    void Update () {
        if(animation){
            timer+=Time.deltaTime;// 1f/frameCountPersconds
            int frameIndex = (int)(timer/(1f/frameCountPersconds));
            int frame = frameIndex%2;
            spriteRender.sprite = sprites[frame];
        }
        if(Input.GetMouseButtonDown(0)){
            isMouseDown=true;
        }
        if(Input.GetMouseButtonUp(0)){
            isMouseDown=false;
            lastMousePosition = Vector3.zero;
        }
        if(isMouseDown && GameManager._instance.gameState==GameState.Runing ){
            if(lastMousePosition!=Vector3.zero){
                //Camera.main.ScreenToWorldPoint(Input.mousePosition)
                //print (Camera.main.ScreenToWorldPoint(Input.mousePosition));
                Vector3 offset = Camera.main.ScreenToWorldPoint(Input.mousePosition) -lastMousePosition;

                transform.position = transform.position+offset;
                checkPosition();
            }
            lastMousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
        }
        superGunTime-=Time.deltaTime;
        if(superGunTime>0){
            if(gunCount==1){
                transformToSuperGun();
            }
        }else{
            if(gunCount==2){
                tranformToNormalGun();
            }
        }
    }

    private void transformToSuperGun(){
        gunCount=2;
        gunLeft.openFire();
        gunRight.openFire();
        gunTop.stopFire();
    }
    private void tranformToNormalGun(){
        gunCount=1;
        
        gunLeft.stopFire();
        gunRight.stopFire();
        gunTop.openFire();
    }


    private void checkPosition(){
        //check x -2.22f +2.22f
        // check y -3.9 3.4
        Vector3 pos = transform.position;
        float x = pos.x;
        float y = pos.y;
        if(x<-2.22f){
            x=-2.22f;
        }
        if(x>2.22f){
            x=2.22f;
        }
        if(y<-3.9f){
            y=-3.9f;
        }
        if(y>3.4f){
            y=3.4f;
        }
        transform.position= new Vector3(x,y,0);
    }

    public void OnTriggerEnter2D(Collider2D collider){
        if(collider.tag=="Award"){
            GetComponent<AudioSource>().Play();
            Award award = collider.GetComponent<Award>();
            if(award.type==0){
                //transform gun
                superGunTime=resetSuperGunTime;
                Destroy(collider.gameObject);
            }
        }
    }
}

using UnityEngine;
using System.Collections;

/// <summary>
/// 敌人孵化
/// </summary>
public class Spawn : MonoBehaviour {

    public GameObject enemy0Prefab;
    public GameObject enemy1Prefab;
    public GameObject enemy2Prefab;

    
    public GameObject awardType0Prefab;
    public GameObject awardType1Prefab;
    
    public float enemy0Rate = 0.5f;
    public float enemy1Rate = 5f;
    public float enemy2Rate = 8f;

    public float awardType0Rate = 7;

    public float awardType1Rate = 10;

    // Use this for initialization
    void Start () {
        InvokeRepeating("createEnemy0",1,enemy0Rate);
        InvokeRepeating("createEnemy1",3,enemy1Rate);
        InvokeRepeating("createEnemy2",6,enemy2Rate);

        InvokeRepeating("createAwardType0",10,awardType0Rate);
        InvokeRepeating("createAwardType1",10,awardType1Rate);


    }
    
    // Update is called once per frame
    void Update () {
    
    }
    
    public void createEnemy0(){
        float x = Random.Range(-2.15f,2.15f);
        GameObject.Instantiate(enemy0Prefab,new Vector3(x,transform.position.y,0),Quaternion.identity);
        
    }
    public void createEnemy1(){
        float x = Random.Range(-2.04f,2.04f);
        GameObject.Instantiate(enemy1Prefab,new Vector3(x,transform.position.y,0),Quaternion.identity);
        
    }
    public void createEnemy2(){
        float x = Random.Range(-2.04f,2.04f);
        GameObject.Instantiate(enemy2Prefab,new Vector3(x,transform.position.y,0),Quaternion.identity);
        
    }


    public void createAwardType0(){
        GetComponent<AudioSource>().Play();
        float x = Random.Range(-2.1f,2.1f);
        GameObject.Instantiate(awardType0Prefab,new Vector3(x,transform.position.y,0),Quaternion.identity);
    }
    public void createAwardType1(){
        GetComponent<AudioSource>().Play();
        float x = Random.Range(-2.1f,2.1f);
        GameObject.Instantiate(awardType1Prefab,new Vector3(x,transform.position.y,0),Quaternion.identity);
    }
}

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