"Android Combat" Surfaceview draw various effects demo

1. Bolted bombs

public class Mysurface extends Surfaceview implements Callback, Runnable {surfaceholder Holder;boolean goOn = True;int w;i NT H; Bitmap bitmap;int x;int y;int bx;int By;boolean down = true;boolean right = True;int p = 30;public mysurface (Context Conte XT, int wi, int hi) {super (context);//TODO auto-generated Constructor Stubholder = Getholder (); Holder.addcallback (this); Setfocusable (True); Setfocusableintouchmode (true); w = wi;h = Hi; Bitmap Obitmap = Bitmapfactory.decoderesource (Getresources (), r.drawable.b1); Bitmap = Bitmap.createscaledbitmap ( Obitmap, 260, $, false); bx = Bitmap.getwidth (); by = Bitmap.getheight (); Thread t = new thread (this);} @Overridepublic void surfacecreated (Surfaceholder holder) {//TODO auto-generated method Stubthread t = new Thread (this); t . Start ();  @Overridepublic void Surfacechanged (surfaceholder holder, int format, int width,int height) {//TODO auto-generated method stub} @Overridepublic void Surfacedestroyed (Surfaceholder holder) {//TODO auto-generated method StuBgoon = false;} @Overridepublic void Run () {//TODO auto-generated method Stubwhile (goOn) {mydraw (); try {if (Y < h-by && Dow N) {y + = p;} else {down = false;if (x < W-BX && right) {x + = p;} else {right = False;if (Y > 0 && !down) {y-= p;} else {if (x > 0 &&!right) {x = P;} else {down = True;right = True;}}}} Thread.Sleep (10);} catch (Interruptedexception e) {//TODO auto-generated catch Blocke.printstacktrace ();}}} Canvas canvas;private void Mydraw () {//TODO auto-generated Method Stubcanvas = Holder.lockcanvas (); if (canvas! = null) {P Aint paint = new paint ();p aint.setxfermode (New Porterduffxfermode (mode.clear)); Canvas.drawpaint (paint); Paint.setxfermode (New Porterduffxfermode (MODE.SRC)); Canvas.drawcolor (Color.gray); try {if (canvas! = null) { Canvas.drawbitmap (bitmap, x, y, null);}} finally {if (canvas! = null) {holder.unlockcanvasandpost (canvas);}}}}

"Android Combat" Surfaceview draw various effects demo