引用：http://www.oschina.net/code/snippet_54100_6233
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private boolean drawall=false; |
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private RefreshHandler mRedrawHandler = new RefreshHandler(); |
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class RefreshHandler extends Handler { |
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@Override |
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public void handleMessage(Message msg) { |
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KetrisCanvas.this.update(); |
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KetrisCanvas.this.invalidate(); |
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} |
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public void sleep(long delayMillis) { |
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this.removeMessages(0); |
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sendMessageDelayed(obtainMessage(0), delayMillis); |
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} |
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}; |
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long mLastMove=0; |
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long mMoveDelay=30; |
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public void update() { |
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long now = System.currentTimeMillis(); |
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if (now - mLastMove > mMoveDelay) { |
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//gameLogic(); 这里是游戏逻辑 |
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|
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mLastMove = now; |
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} |
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mRedrawHandler.sleep(mMoveDelay); |
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|
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} |
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public void onDraw(Canvas canvas) |
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{super.onDraw(canvas); |
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this.paint(); //这里是绘制到缓冲屏幕 |
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canvas.drawBitmap(g.offs, 0, 0, g.p); |
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} |
[代码] [Java]代码
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public class KetrisCanvas extends SurfaceView implements SurfaceHolder.Callback |
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{ |
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在构造方法完成 下面2句 |
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holder = this.getHolder();//获取holder |
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holder.addCallback(this); |
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@Override |
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public void surfaceChanged(SurfaceHolder holder, int format, int width, |
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int height) { |
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// TODO Auto-generated method stub |
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|
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} |
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Thread t; |
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boolean isrun=true; |
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final SurfaceHolder holder; |
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@Override |
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public void surfaceCreated(SurfaceHolder holder) { |
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// TODO Auto-generated method stub |
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|
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t=new Thread(){ |
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public void run() |
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{ while(isrun) |
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{ |
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long start=System.currentTimeMillis(); |
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Canvas canvas=KetrisCanvas.this.holder.lockCanvas(null); |
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//这里完成游戏逻辑 |
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paint();//这里是屏幕绘制 |
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canvas.drawBitmap(g.offs, 0, 0,null ); |
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|
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KetrisCanvas.this.holder.unlockCanvasAndPost(canvas); |
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long end=System.currentTimeMillis(); |
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if(200>end-start) |
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{ |
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try{Thread.sleep(200-(end-start));}catch(Exception e){} |
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} |
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} |
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} |
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}; |
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t.start(); |
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} |
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@Override |
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public void surfaceDestroyed(SurfaceHolder holder) { |
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// TODO Auto-generated method stub |
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if(t!=null) |
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{ isrun=false; |
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} |
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} |