Android游戏开发基础飞机大战

package l.y.l; import java.util.ArrayList; import java.util.List; import java.util.Random; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; import android.view.MotionEvent; import android.view.SurfaceView; import android.view.SurfaceHolder; import android.view.SurfaceHolder.Callback; import l.y.l.R; //战斗类 public class Fighting extends SurfaceView implements Callback, Runnable { //屏幕的宽 private int screenWidth; //屏幕的高 private int screenHeight; //画布 Canvas canvas = null; //画笔 Paint paint = null; SurfaceHolder holder = null; //背景图片 Bitmap backGround[] = new Bitmap[2]; //当前背景图片1的高度 int bg1 = 0; //当前背景图片2的高度 int bg2 = 0; //线程运行标志位 public static boolean flag = false; //暂停标志位 public static boolean pause = false; Thread thread; public static Plane plane = null; //主角飞机对象 int enemyCount = 20;//敌机个数 List<Plane> enemys = new ArrayList<Plane>();//敌机组 Boss boss; Award award;//奖励 Context context; //触屏后飞机将要移动到的位置的X、Y坐标 int moveToX = 0; int moveToY = 0; int enemyFlag = 0;//敌机重置标志位 int enemyInterval = 20;//敌机出现时间间隔 boolean bombFlag = false; public static int score = 0;//总分 public static int num;//消灭敌机的数量 public int round = 1;//关卡 Random random = new Random(); public int bossFlag = 20;//消灭bossFlag个敌机后boss才会出现 Bitmap pauseIcon = null; Bitmap playIcon = null; Fighting(Context context,int screenWidth, int screenHeight) { super(context); this.context = context; this.screenWidth = screenWidth; this.screenHeight = screenHeight; holder = getHolder(); paint = new Paint(); //设置背景图片1的位置 bg1 = 0; //设置背景图片2的位置 bg2 = -screenHeight; holder.addCallback(this); //初始化战斗界面 init(); //获取焦点 setFocusable(true); } private void init(){ getBackGround(context); //初始化飞机图片 Bitmap[] temp = new Bitmap[3]; temp[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.my); temp[1] = BitmapFactory.decodeResource(context.getResources(), R.drawable.my_l); temp[2] = BitmapFactory.decodeResource(context.getResources(), R.drawable.my_2); temp[0] = Bitmap.createScaledBitmap(temp[0], temp[0].getWidth()/2, temp[0].getHeight()/2, true); temp[1] = Bitmap.createScaledBitmap(temp[1], temp[1].getWidth()/2, temp[1].getHeight()/2, true); temp[2] = Bitmap.createScaledBitmap(temp[2], temp[2].getWidth()/2, temp[2].getHeight()/2, true); //初始化boss Bitmap[] temp1 = new Bitmap[3]; temp1[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss1); temp1[1] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss2); temp1[2] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss3_t); boss = new Boss(context, screenWidth, screenHeight, temp1); //初始化敌机 Bitmap[] temp2 = new Bitmap[3]; temp2[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.enemy13); temp2[1] = BitmapFactory.decodeResource(context.getResources(), R.drawable.enemy13_t); temp2[2] = BitmapFactory.decodeResource(context.getResources(), R.drawable.enemy14_t); for(int i = 0; i < enemyCount; i++){ Enemy enemy = new Enemy(context, screenWidth, screenHeight, temp2); //左右移动型 enemy.moveStyle = 1; enemys.add(enemy); } //初始化飞机 plane = new Plane(context, screenWidth, screenHeight, temp); plane.enemys = enemys; plane.boss = boss; plane.setTarget();//给飞机设置目标 plane.shotInterval = 3;//设置飞机射击速度 for(Plane enemy:enemys){ enemy.enemys.add(plane); enemy.setTarget(); } boss.enemys.add(plane); boss.setTarget(); boss.shotStyle = 5; boss.moveStyle = 1; award = new Award(context, screenWidth, screenHeight); award.state = true; if(FinalPlaneActivity.backMusicFlag){ FinalPlaneActivity.backMusic.start(); } pauseIcon = BitmapFactory.decodeResource(context.getResources(), R.drawable.pause); pauseIcon = Bitmap.createScaledBitmap(pauseIcon, 30, 30, false); playIcon = BitmapFactory.decodeResource(context.getResources(), R.drawable.play); playIcon = Bitmap.createScaledBitmap(playIcon, 30, 30, false); } /** * 获取背景图片 * @param context 当前上下文 */ private void getBackGround(Context context){ backGround[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.background2); backGround[1] = BitmapFactory.decodeResource(context.getResources(), R.drawable.background3); backGround[0] = Bitmap.createScaledBitmap(backGround[0], screenWidth, screenHeight, false); backGround[1] = Bitmap.createScaledBitmap(backGround[1], screenWidth, screenHeight, false); } @Override public void run() { // TODO Auto-generated method stub while(flag){ if(!pause){ try { Thread.sleep(50); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } draw(); } } } private void draw(){ canvas = holder.lockCanvas(); drawBackGround(canvas); //打满十个小敌机，会出现boss if(num == bossFlag){ boss.reset();//boss重置 boss.state = 2;//刚重置时boss不显示 switch(round){ case 1: boss.moveStyle = 1; boss.shotStyle = 2; boss.planePics[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss1); boss.width = boss.planePics[0].getWidth(); boss.height = boss.planePics[0].getHeight(); boss.moveStyle = 0;//左右水平移动 boss.shotStyle = 1;//发射一枚子弹 boss.health = 1000; break; case 2: boss.moveStyle = 1; boss.shotStyle = 2; boss.planePics[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss2); boss.width = boss.planePics[0].getWidth(); boss.height = boss.planePics[0].getHeight(); //改变敌机的发射模式 for(Plane enemy:enemys){ int enemyMoveStyle = Math.abs(random.nextInt()%2); enemy.moveStyle = enemyMoveStyle; enemy.health = 20; } boss.health = 3000; break; case 3: boss.moveStyle = 1; boss.shotStyle = 3; boss.planePics[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss3_t); boss.width = boss.planePics[0].getWidth(); boss.height = boss.planePics[0].getHeight(); //改变敌机的发射模式 for(Plane enemy:enemys){ enemy.shotStyle = 1; enemy.health = 30; } boss.health = 6000; break; case 4: boss.moveStyle = 1; boss.shotStyle = 4; boss.planePics[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss4); boss.width = boss.planePics[0].getWidth(); boss.health = boss.planePics[0].getHeight(); //改变敌机的发射模式 for(Plane enemy:enemys){ enemy.shotStyle = 1; enemy.health = 40; } boss.health = 10000; break; case 5: boss.moveStyle = 1; boss.shotStyle = 5; boss.planePics[0] = BitmapFactory.decodeResource(context.getResources(), R.drawable.boss5); boss.width = boss.planePics[0].getWidth(); boss.height = boss.planePics[0].getHeight(); //改变敌机的发射模式 for(Plane enemy:enemys){ enemy.shotStyle = 1; enemy.health = 50; } boss.health = 15000; break; default :round ++; } boss.maxHealth = boss.health; }else if(num > bossFlag){ boss.state = 1; if(boss.state == 1) boss.move(canvas, paint, moveToX, moveToY);//画boss，boss死亡时会将消灭敌机输重新置0 if(boss.health <= 0){ round++; bossFlag+=20; num = 0; boss.state = 2; } } //战机死亡后，初始化出现位置,所有敌机爆炸,子弹消失 if(plane.health <= 0){ moveToX = screenWi