Android小球碰撞游戏

package lab.Memory; import java.util.ArrayList; import java.util.Timer; import java.util.TimerTask; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.Point; import android.graphics.Rect; import android.graphics.Typeface; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.util.Log; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceView; public class GameView extends SurfaceView implements SurfaceHolder.Callback { public static final int DRAW_THREAD=0; public static final int MODIFY_THREAD=1; public static final int EVENT_THREAD=2; public static final int GAME_PAUSED=2; public static final int GAME_IN=1; public static final int GAME_OVER=0; public static final Rect rcArea=new Rect(20,15,300,355); private static final Rect rcMenu=new Rect(40,160,280,320); private static final Rect rcBack=new Rect(28,355,65,390); private static final Rect rcPause=new Rect(260,364,291,394); private static final Rect rcMusic=new Rect(140,362,188,392); private static final Point ptLevel=new Point(116,416); private static final Point ptGoal=new Point(248,416); private static final Point ptBall=new Point(116,433); private static final Point ptDone=new Point(248,433); private static final Point [] ptLifebar={new Point(60,452),new Point(206,452),new Point(60,467),new Point(206,467)}; private static final int [] colorArray={Color.rgb(255,0,0),Color.rgb(235,108,20),Color.rgb(255,255,0), Color.rgb(0,255,0), Color.rgb(0,255,255),Color.rgb(0,0,255),Color.rgb(128,30,180),Color.rgb(0,0,0)}; private Memory activity; public ArrayList<Ball> balls_array; //Array of balls in game public ArrayList<Tools> tools_array; //Array of tools in game private GameDrawThread drawThread; //Thread of drawing private GameDataHandleThread dataThread; //Thread of data modification private Timer mTimer; //Timer used to create tools in game private TimerTask mTimerTask; private boolean music=false; //Music allowed or not private int[] preBallNumArray={0,2,3,4,5}; private int[] customBallNumArray={0,5,6,7,8}; private float[] percentageArray={0.0f,0.3f,0.4f,0.5f,0.6f}; private int [][] preBallsPosition={{160,140,180,120,160,200,100,140,180,220}, {160,200,200,240,240,240,280,280,280,280}}; private int level=1; //Game level private int preDefinedBallNum=2; //Number of existed balls private int customBallNumber=5; //Balls can create in current level public float percentage=0.2f; //Target percentage of current level public float percentageCompleted=0.0f; //Percentage completed of current level public int threads_flag=DRAW_THREAD; //Used for synchronization between two threads public int DataModifyCount=0; //Count the times of data modification before one draw operation public int gameStatus=GAME_IN; //State of game public boolean createBall=false; //Set when one ball is creating public Ball oncreateBall; //Handle to the new born ball public long startTime; //Start time of the new born ball, used to decide its radius public long elapseTime=0; //Equals currentTime-startTime public long startPauseTime; //The time when game is paused public long pauseTime=0; //How long the paused state last, used to modify balls' life value private int oldPositionX; //Used to decide the initial newBallspeedX private int oldPositionY; //Used to decide the initial newBallspeedY private double newBallspeedX=0.0; private double newBallspeedY=0.0; SensorManager sensorManager; Sensor sensor; //Direction sensor handle float orientation=0.0f; //Angle of direction changed of phone public Bitmap image_ball; public Bitmap image_over; public Bitmap image_status; public Bitmap image_bkg; public Bitmap image_tools; SensorEventListener sensorListener = new SensorEventListener(){ public void onSensorChanged(SensorEvent event) { orientation = event.values[0]-orientation; Log.i("Orentation : ",""+orientation); } public void onAccuracyChanged(Sensor sensor, int accuracy) {} }; private class ToolTimerTask extends TimerTask{ public void run() { if((int)(Math.random()*(10-level))!=0) //High level means more tools return; if(tools_array.size()>=Tools.MAX_TOOL_NUM) return; Tools newTool=new Tools(level); //Create a new tool and add to tools_array tools_array.add(newTool); for(int i=0,j=newTool.iconPosi;i<Tools.MAX_TOOL_NUM;i++,j++) //Assign icon position to new tool { int k; for(k=0;k<tools_array.size();k++) if(j%Tools.POSI_NUM==tools_array.get(k).iconPosi) break; if(k==tools_array.size()) newTool.iconPosi=j%Tools.POSI_NUM; } } } public GameView(Context context,Memory activity){ super(context); this.activity=activity; drawThread=new GameDrawThread(getHolder(), this); dataThread=new GameDataHandleThread(this); mTimer = new Timer(true); mTimerTask = new ToolTimerTask(); getHolder().addCallback(this); balls_array=new ArrayList<Ball>(); tools_array=new ArrayList<Tools>(); balls_array.add(new Ball(160,160,8.0,6.0,5,Ball.COLOR_BLACK,Ball.PRE_DEFINED)); //Initial balls in game balls_array.add(new Ball(140,200,8.0,-8.0,5,Ball.COLOR_BLACK,Ball.PRE_DEFINED)); sensorManager = (SensorManager)activity.getSystemService(Context.SENSOR_SERVICE); sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION); boolean reg = sensorManager.registerListener(sensorListener, sensor,SensorManager.SENSOR_DELAY_NORMAL); if(reg) { Log.e("Sensor Registe : ","Sensor registe failure in GameView !"); activity.mHandler.sendEmptyMessage(Memory.EXIT); //Register sensor fail and exit game } InitImage(); //Load image } @Override public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) { } @Override public void surfaceCreated(SurfaceHolder holder) { StartGame(); } @Override public void surfaceDestroyed(SurfaceHolder arg0) { sensorManager.unregisterListener(sensorListener, sensor); mTimerTask.cancel(); mTimer.cancel(); boolean retry = true; drawThread.setFlag(false); //End the drawThread dataThread.setFlag(false); //End the dataThread while (retry) { //Wait for threads to complete their tasks try { drawThread.join(); dataThread.join(); retry = false; } catch (InterruptedException e) { } } } @Override public void onDraw(Canvas canvas) { if(gameStatus==GAME_OVER) //Game is over and show corresponding image { canvas.drawBitmap(image_over,160-image_over.getWidth()/2,180-image_over.getHeight()/2,null); updateState(