android 撞球打砖块初步试验实例

package game.crazyBall; import game.constant.Constant; import game.visableItems.Ball; import android.content.Context; import android.content.res.Resources; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.drawable.Drawable; import android.os.Handler; import android.util.Log; import android.view.KeyEvent; import android.view.SurfaceHolder; public class crazyBallThread extends Thread { private boolean isRunning; private SurfaceHolder mSurfaceHolder; private Handler mHandler; private Context mContext; private int mCanvasHeight = 1; private int mCanvasWidth = 1; private Bitmap mBackgroundImage; private Drawable mBallimg; public static final int STATE_LOSE = 1; public static final int STATE_PAUSE = 2; public static final int STATE_READY = 3; public static final int STATE_RUNNING = 4; public static final int STATE_WIN = 5; private Ball mball; private Ball mball2; private Ball mball3; private Ball mball4; private long damiTime; public crazyBallThread(SurfaceHolder surfaceHolder, Context context, Handler handler) { mSurfaceHolder = surfaceHolder; mHandler = handler; mContext = context; Resources res = context.getResources(); mBackgroundImage = BitmapFactory.decodeResource(res, R.drawable.earthrise); mBallimg = context.getResources().getDrawable(R.drawable.world_go); mball = new Ball(100,100,mBallimg,30.0,20,10,System.currentTimeMillis()+200); mball2 = new Ball(100,150,mBallimg,100.0,20,10,System.currentTimeMillis()+200); mball3 = new Ball(200,100,mBallimg,190.0,20,10,System.currentTimeMillis()+200); mball4 = new Ball(200,150,mBallimg,280.0,20,10,System.currentTimeMillis()+200); damiTime = System.currentTimeMillis(); isRunning = true; } @Override public void run() { while(isRunning){ Canvas c = null; try { c = mSurfaceHolder.lockCanvas(null); synchronized (mSurfaceHolder) { //if (mMode == STATE_RUNNING) updatePhysics(); doDraw(c); } } finally { // do this in a finally so that if an exception is thrown // during the above, we don't leave the Surface in an // inconsistent state if (c != null) { mSurfaceHolder.unlockCanvasAndPost(c); } } } } public void setSurfaceSize(int width, int height) { // synchronized to make sure these all change atomically synchronized (mSurfaceHolder) { mCanvasWidth = width; mCanvasHeight = height; // don't forget to resize the background image mBackgroundImage = mBackgroundImage.createScaledBitmap(mBackgroundImage, width, height, true); } } private void updatePhysics(){ // if(mball.getMCurX() + mball.getW() >= mCanvasWidth){ // mball.reflex(Constant.HitBorder_Left); // } // if(mball.getMCurX() <= 0){ // mball.reflex(Constant.HitBorder_Right); // } // if(mball.getMCurY() + mball.getH() >= mCanvasHeight){ // mball.reflex(Constant.HitBorder_bottom); // } // if(mball.getMCurY() <= 0){ // mball.reflex(Constant.HitBorder_top); // } } private void doDraw(Canvas canvas) { canvas.drawBitmap(mBackgroundImage, 0, 0,null); //canvas.rotate(0, 30, 30); mball.move(canvas, damiTime,0,mCanvasWidth,0,mCanvasHeight); mball2.move(canvas, damiTime,0,mCanvasWidth,0,mCanvasHeight); mball3.move(canvas, damiTime,0,mCanvasWidth,0,mCanvasHeight); mball4.move(canvas, damiTime,0,mCanvasWidth,0,mCanvasHeight); damiTime += 100; } }