HolderSurfaceView.java package com.lyc; import android.graphics.PixelFormat; import android.view.SurfaceView; public class HolderSurfaceView { private HolderSurfaceView() { } private SurfaceView mSurfaceView; private static HolderSurfaceView mHolderSurfaceView = null; public static HolderSurfaceView getInstance() { if (mHolderSurfaceView == null) mHolderSurfaceView = new HolderSurfaceView(); return mHolderSurfaceView; } public void setSurfaceView(SurfaceView view) { mSurfaceView = view; mSurfaceView.setZOrderOnTop(true); mSurfaceView.getHolder().setFormat(PixelFormat.TRANSLUCENT); } public SurfaceView getSurfaceView() { return mSurfaceView; } } DrawTopBase.java package com.lyc; import android.content.Context; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PorterDuff.Mode; import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.SurfaceHolder.Callback; import android.view.SurfaceView; import android.view.View; import android.view.View.OnTouchListener; public class DrawTopBase implements Runnable, Callback ,OnTouchListener{ protected DrawStatus mStatus = DrawStatus.NoWork; protected SurfaceView mSurfaceView; protected SurfaceHolder mSurfaceHolder; protected Context mContext; protected Rect mSurfaceRect = new Rect(0, 0, 0, 0); //前两个参数是左上角的坐标，后两个参数是右下角的坐标（不是宽度和高度） public DrawTopBase() { setSurfaceView(HolderSurfaceView.getInstance().getSurfaceView()); } public void setSurfaceView(SurfaceView view) { mSurfaceView = view; mContext = mSurfaceView.getContext(); mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.addCallback(this); // mSurfaceRect.set(new Rect(0, 0, mSurfaceView.getWidth(), mSurfaceView.getHeight())); mSurfaceRect.set(new Rect(100, 100, 250, 250)); set(); } public void set() { setRect(mSurfaceRect); } protected Thread mThread = null; public void begin() { if (mThread == null) { mThread = new Thread(this); mThread.start(); } } public void end() { mStatus = DrawStatus.Ending; } protected void doWork(Canvas canvas) { } protected void endWork() { } protected Paint mPaint = new Paint(); protected void clear(Canvas canvas) { mPaint.setXfermode(new PorterDuffXfermode(Mode.CLEAR)); canvas.drawPaint(mPaint); mPaint.setXfermode(new PorterDuffXfermode(Mode.SRC)); } protected void clear() { synchronized (mSurfaceHolder) { Canvas canvas = this.mSurfaceHolder.lockCanvas(); try { clear(canvas); } catch (Exception e) { e.printStackTrace(); } finally { if (canvas != null) mSurfaceHolder.unlockCanvasAndPost(canvas); } } } protected void doChange() { change(); } protected void change() { } // protected Rect mRect = new Rect(0, 0, 0, 0); protected Rect mRect = new Rect(50, 50, 250, 250); public void setRect(Rect r) { mRect.set(r); } public Rect getRect() { return mRect; } protected enum DrawStatus { NoWork, Drawing, Ending, Destroyed }; protected long mBegintime; public void run() { mStatus = DrawStatus.Drawing; //获取当前时间 starttime = System.currentTimeMillis(); mBegintime = System.currentTimeMillis(); // 建立两次缓存 clear(); clear(); while (mStatus == DrawStatus.Drawing) { synchronized (mSurfaceHolder) { Canvas canvas = this.mSurfaceHolder.lockCanvas(getRect()); try { if (canvas != null) { clear(canvas); doWork(canvas); } } catch (Exception e) { e.printStackTrace(); } finally { if (canvas != null) mSurfaceHolder.unlockCanvasAndPost(canvas); } doChange(); } calculatePerframe(); } if (mStatus != DrawStatus.Destroyed) clear(); mThread = null; endWork(); } protected long starttime; // 每帧时间 60帧附近 第一次计算前使用 毫秒 private float perframe = 6; //6=16 private int count = 0; // 每隔多长时间测试一次帧时间 private int mRefreshSpeed = 30; //30=12 // 设定要求多长时间每帧 24帧每秒 private float mFPS = 1000 / 4; private float sleep = mFPS; // 设置刷新频率 public void setFPS(int fps) { mFPS = 1000 / fps; } protected void calculatePerframe() { count++; if (count == mRefreshSpeed) // 由于每帧计算会降低游戏效率。20到50差不多 { long timepass = System.currentTimeMillis(); long time = timepass - starttime; perframe = time / mRefreshSpeed;// 每帧时间 sleep = perframe > mFPS ? mFPS - (perframe - mFPS) / mRefreshSpeed : mFPS; starttime = timepass; count = 0; } try { Thread.sleep((long) (sleep)); // Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } // new Thread(){ // public void run(){ // try { // // sleep(2000); // } catch (Exception e) { // // TODO: handle exception // e.printStackTrace(); // }finally{ //// finish(); // } // } // }.start(); } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { mSurfaceRect.set(new Rect(0, 0, width, height)); // mSurfaceRect.set(new Rect(0, 0, 200, 500)); set(); } public void surfaceCreated(SurfaceHolder holder) { } public void surfaceDestroyed(SurfaceHolder holder) { mStatus = DrawStatus.Destroyed; } public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub return false; } } package com.lyc; import java.util.Random; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Rect; import android.view.MotionEvent; import android.view.SurfaceHolder; import android.view.View; public class DrawYH extends DrawTopBase { private int m_nAppX; private int m_nAppY; private int m_centerX; private int m_centerY; private int m_mouseX; private int m_mouseY; private int m_sleepTime; private boolean isError; private boolean m_isPaintFinished; boolean isRunning; boolean isInitialized; Thread runner; int pix0[]; Bitmap offImage; // Image dbImg; int pixls; int pixls2; Random rand; int bits; double bit_px[]; double bit_py[]; double bit_vx[]; double bit_vy[]; int bit_sx[]; int bit_sy[]; int bit_l[]; int bit_f[]; int bit_p[]; int bit_c[]; int bit_max = 100; // int bit_sound = 2; int ru; int rv; @Override public void surfaceCreated(SurfaceHolder holder) { // TODO Auto-generated method stub super.surfaceCreated(holder); this.begin(); // stopBGMedia(); // bgMedia = new GameSoundMedia(mContext); // bgMedia.playInMediaPlayer(R.raw.bg, null); } // private void stopBGMedia() { // if (bgMedia != null) { // try { // bgMedia.stopAll(); // bgMedia = null; // } catch (Exception e) { // e.printStackTrace(); // } // // } // } @Override public void surfaceDestroyed(SurfaceHolder holder) { // stopBGMedia(); super.surfaceDestroyed(holder); } @Override public void set() { super.set(); if (this.getRect().width() > 10 && this.getRect().height() > 10) init(); } Draw.java //重要类 public Draw() { //画烟花 super(); m_mouseX = 0; m_mouseY = 0; m_sleepTime = 5; //5 isError = false; isInitialized = false; rand = new Random(); bits = 10000; //控制烟花数量 bit_px = new double[bits]; bit_py = new double[bits]; bit_vx = new double[bits]; bit_vy = new double[bits]; bit_sx = new int[bits]; bit_sy = new int[bits]; bit_l = new int[bits]; bit_f = new int[bits]; bit_p = new int[bits]; bit_c = new int[bits]; ru = 50; rv = 50; // init(); } Canvas mCanvas; private Rect drawRect = new Rect(0, 0, 0, 0); public void init() { m_nAppX = this.getRect().width() / 2; m_nAppY = this.getRect().height() / 2; drawRect = new Rect(0, 0, m_nAppX, m_nAppY); m_centerX = m_nAppX / 2; m_centerY = m_nAppY / 2; m_mouseX = m_centerX; m_mouseY = m_centerY; // resize(m_nAppX, m_nAppY); pixls = m_nAppX * m_nAppY; pixls2 = pixls - m_nAppX * 3; pix0 = new int[pixls]; offImage = Bitmap.createBitmap(m_nAppX, m_nAppY, Bitmap.Config.ARGB_8888); mCanvas = new Canvas(); mCanvas.setBitmap(offImage); for (int i = 0; i < pixls; i++) pix0[i] = 0xff000000; for (int j = 0; j < bits; j++) bit_f[j] = 0; isInitialized = true; } @Override protected void doWork(Canvas canvas) { // TODO Auto-generated method stub super.doWork(canvas); if (offImage != null) canvas.drawBitmap(offImage, drawRect, this.getRect(), mPaint); } @Override protected void change() { super.change(); if (isInitialized) { for (int j = 0; j < pixls2; j++) { //pixls=pixls2 int k = pix0[j]; int l = pix0[j + 1]; int i1 = pix0[j + m_nAppX]; int j1 = pix0[j + m_nAppX + 1]; int i = (k & 0xff0000) >> 16; int k1 = ((((l & 0xff0000) >> 16) - i) * ru >> 8) + i; i = (k & 0xff00) >> 8; int l1 = ((((l & 0xff00) >> 8) - i) * ru >> 8) + i; i = k & 0xff; int i2 = (((l & 0xff) - i) * ru >> 8) + i; i = (i1 & 0xff0000) >> 16; int j2 = ((((j1 & 0xff0000) >> 16) - i) * ru >> 8) + i; i = (i1 & 0xff00) >> 8; int k2 = ((((j1 & 0xff00) >> 8) - i) * ru >> 8) + i; i = i1 & 0xff; int l2 = (((j1 & 0xff) - i) * ru >> 8) + i; int i3 = ((j2 - k1) * rv >> 8) + k1; int j3 = ((k2 - l1) * rv >> 8) + l1; int k3 = ((l2 - i2) * rv >> 8) + i2; pix0[j] = i3 << 16 | j3 << 8 | k3 | 0x77000000; // if(pix0[j]==0x77000000)pix0[j]=0x55000000; } rend(); mCanvas.drawBitmap(pix0, 0, m_nAppX, 0, 0, m_nAppX, m_nAppY, true,mPaint); } } public void dot() { dot(rand.nextInt(m_nAppX), rand.nextInt(m_nAppY)); } public void dot(int x, int y) { m_mouseX = x; m_mouseY = y; int k = (int) (rand.nextDouble() * 256D); int l = (int) (rand.nextDouble() * 256D); int i1 = (int) (rand.nextDouble() * 256D); int j1 = k << 16 | l << 8 | i1 | 0xff000000; int k1 = 0; for (int l1 = 0; l1 < bits; l1++) { if (bit_f[l1] != 0) continue; bit_px[l1] = m_mouseX; bit_py[l1] = m_mouseY; double d = rand.nextDouble() * 6.2800000000000002D; double d1 = rand.nextDouble(); bit_vx[l1] = Math.sin(d) * d1; bit_vy[l1] = Math.cos(d) * d1; bit_l[l1] = (int) (rand.nextDouble() * 100D) + 100; bit_p[l1] = (int) (rand.nextDouble() * 3D); bit_c[l1] = j1; bit_sx[l1] = m_mouseX; bit_sy[l1] = m_nAppY - 5; bit_f[l1] = 2; if (++k1 == bit_max) break; } } void rend() { boolean flag = false; boolean flag1 = false; boolean flag2 = false; for (int k = 0; k < bits; k++) switch (bit_f[k]) { case 1: // '\001' bit_vy[k] += rand.nextDouble() / 50D; bit_px[k] += bit_vx[k]; bit_py[k] += bit_vy[k]; bit_l[k]--; if (bit_l[k] == 0 || bit_px[k] < 0.0D || bit_py[k] < 0.0D || bit_px[k] > (double) m_nAppX || bit_py[k] > (double) (m_nAppY - 3)) { bit_c[k] = 0xff000000; bit_f[k] = 0; } else if (bit_p[k] == 0) { if ((int) (rand.nextDouble() * 2D) == 0) bit_set((int) bit_px[k], (int) bit_py[k], -1); } else { bit_set((int) bit_px[k], (int) bit_py[k], bit_c[k]); } break; case 2: // '\002' bit_sy[k] -= 5; if ((double) bit_sy[k] <= bit_py[k]) { bit_f[k] = 1; flag2 = true; } if ((int) (rand.nextDouble() * 20D) == 0) { int i = (int) (rand.nextDouble() * 2D); int j = (int) (rand.nextDouble() * 5D); bit_set(bit_sx[k] + i, bit_sy[k] + j, -1); } break; default: break; } // if (flag2 && bit_sound > 0) // sm.playInMediaPlayer(R.raw.firework, null); // soundPool.play(id_sound1, 0); } void bit_set(int i, int j, int k) { int l = i + j * m_nAppX; pix0[l] = k; } protected void calculatePerframe() { try { Thread.sleep(m_sleepTime); } catch (InterruptedException e) { e.printStackTrace(); } } @Override public boolean onTouch(View v, MotionEvent event) { // return super.onTouch(v, event); int x = (int) event.getX(); int y = (int) event.getY(); x = x / 2; y = y / 2; if (x > m_nAppX) x = m_nAppX; if (y > m_nAppY) y = m_nAppY; if (x < 0) x = 0; if (y < 0) y = 0; switch (event.getAction()) { // case MotionEvent.ACTION_DOWN: // // break; // case MotionEvent.ACTION_UP: // this.dot(x, y); // if (this.bit_sound > 1) // sm.playInMediaPlayer(R.raw.syu, null); // soundPool.play(id_sound2, 0); // break; case MotionEvent.ACTION_MOVE: this.dot(x,y); break; } m_mouseX = x; m_mouseY = y; return true; } } package com.lyc; import android.app.Activity; import android.os.Bundle; import android.view.SurfaceView; public class MainActivity extends Activity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // setContentView(R.layout.main); SurfaceView v = new SurfaceView(this); // bt1 = (Button) findViewById(R.id.bt1); HolderSurfaceView.getInstance().setSurfaceView(v); // v.setBackgroundResource(R.drawable.mov005); this.setContentView(v); final DrawYH yh=new DrawYH(); v.setOnTouchListener(yh); yh.begin(); } } 
