J2ME编写的坦克大战

import java.io.IOException; import javax.microedition.lcdui.*; import javax.microedition.lcdui.game.*; public class MicroTankCanvas extends GameCanvas implements Runnable, CommandListener { public static boolean mTrucking; public static MicroTankSprite mTank; public static MicroETankSprite eTank; public static TiledLayer mBoard; public static ExplosionSprite explosion; public static int num = 1; public static int enumeration = 5; public static int fx; public static int sd; public static boolean gameover = false; public static LayerManager mLayerManager; public static int w; public static int h; private MicroTankMIDlet midlet; private Command command; private Command exitCommand = new Command("退出", Command.EXIT, 0); public MicroTankCanvas(MicroTankMIDlet midlet) throws IOException { super(true); this.midlet = midlet; addCommand(exitCommand); setCommandListener(this); mBoard = createBoard(); explosion = createExplosion(); explosion.setVisible(false); mLayerManager = new LayerManager(); mLayerManager.append(explosion); createTank(); createETank(); mLayerManager.append(mBoard); splash(); } public static void createTank() { try { Image image = Image.createImage("/tank.png"); mTank = new MicroTankSprite(image, 14, 14); mLayerManager.append(mTank); mLayerManager.append(mTank.bullets); mTank.setPosition(100, 52); fx = 3; sd = -4; } catch (IOException ioe) { } catch (Exception e) { } } public static void createETank() { try { Image images = Image.createImage("/enemyTank.png"); eTank = new MicroETankSprite(images, 14, 14); mLayerManager.append(eTank); mLayerManager.append(eTank.ebullets); eTank.setPosition(18, 12); eTank.start(); } catch (IOException ioe) { } catch (Exception e) { } } private ExplosionSprite createExplosion() throws IOException { Image image = Image.createImage("/explosion.png"); return new ExplosionSprite(image, 3, 3); } private TiledLayer createBoard() throws IOException { Image image = Image.createImage("/bg.png"); TiledLayer tiledLayer = new TiledLayer(11, 11, image, 15, 15); int[] map = { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 4, 4, 4, 4, 4, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 4, 0, 0, 4, 0, 0, 0, 0, 4, 0, 0, 4, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 4, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; for (int i = 0; i < map.length; i++) { int column = i % 11; int row = (i - column) / 11; tiledLayer.setCell(column, row, map[i]); } return tiledLayer; } public void start() { Thread t = new Thread(this); t.start(); } public void run() { Graphics g = getGraphics(); while (mTrucking) { long times_s = System.currentTimeMillis(); input(); tick(); render(g); long times_e = System.currentTimeMillis(); long times = times_e - times_s; if (times > 80) { times = 80; } try { Thread.sleep(80 - times); } catch (InterruptedException ie) { ie.printStackTrace(); } } } private void tick() { if (mTank.collidesWith(mBoard, true)) { mTank.undo(); } if (eTank.collidesWith(mBoard, true)) { eTank.undo(); } if (eTank.collidesWith(mTank, true)) { eTank.setVisible(false); mTank.setVisible(false); mTank.setVisible(false); mLayerManager.remove(MicroTankCanvas.mTank); eTank.setVisible(false); mLayerManager.remove(MicroTankCanvas.eTank); eTank.elift = false; createTank(); createETank(); } } private void input() { int keyStates = getKeyStates(); if ((keyStates & LEFT_PRESSED) != 0) { mTank.forward(-2, 1); fx = 1; sd = -5; if ((keyStates & FIRE_PRESSED) != 0) { mTank.bullets.start(mTank.getX(), mTank.getY(), fx, sd, 1); } } else if ((keyStates & RIGHT_PRESSED) != 0) { mTank.forward(2, 2); fx = 2; sd = 5; if ((keyStates & FIRE_PRESSED) != 0) { mTank.bullets.start(mTank.getX(), mTank.getY(), fx, sd, 1); } } else if ((keyStates & UP_PRESSED) != 0) { mTank.forward(-2, 3); fx = 3; sd = -5; if ((keyStates & FIRE_PRESSED) != 0) { mTank.bullets.start(mTank.getX(), mTank.getY(), fx, sd, 1); } } else if ((keyStates & DOWN_PRESSED) != 0) { mTank.forward(2, 4); fx = 4; sd = 5; if ((keyStates & FIRE_PRESSED) != 0) { mTank.bullets.start(mTank.getX(), mTank.getY(), fx, sd, 1); } } else if ((keyStates & FIRE_PRESSED) != 0) { mTank.bullets.start(mTank.getX(), mTank.getY(), fx, sd, 1); } } private void render(Graphics g) { w = getWidth(); h = getHeight(); g.setColor(0x000000); g.fillRect(0, 0, w, h); g.setColor(0xffffff); g.drawString("我方", 2, 250, g.LEFT | g.TOP); g.drawString(String.valueOf(num), 30, 250, g.LEFT | g.TOP); g.drawString("敌方", 50, 250, g.LEFT | g.TOP); g.drawString(String.valueOf(enumeration), 80, 250, g.LEFT | g.TOP); int x = 1; int y = 1; // mLayerManager.setViewWindow(mTank.getX()-200,mTank.getY()-200,mTank. // getX()+200,mTank.getY()+200); mLayerManager.paint(g, x, y); flushGraphics(); if (gameover) { mTrucking = false; w = getWidth(); h = getHeight(); g.setColor(0x000000); g.fillRect(0, 0, w, h); g.setColor(0xffffff); g.drawString("GAME OVER", w / 2 - 80, h / 2, g.LEFT | g.TOP); g.drawString("Tank 1.0 B", w / 2 - 80, h / 2 + 15, g.LEFT | g.TOP); g.drawString("www.reasy.net 瑞易科技", w / 2 - 80, h / 2 + 30, g.LEFT | g.TOP); flushGraphics(); } } public void splash() { Image tanklogo = null; try { tanklogo = Image.createImage("/tanklogo.png"); } catch (IOException e) { } Graphics g = getGraphics(); g.setColor(0); g.fillRect(0, 0, getWidth(), getHeight()); g.drawImage(tanklogo, 0, 0, 0); g.setColor(0xffffff); g.drawString("坦克大战", tanklogo.getWidth(), 20, 0); g.drawString("reasy.net", tanklogo.getWidth(), 40, 0); g.drawString("瑞易科技", tanklogo.getWidth(), 80, 0); g.setColor(0x999999); g.drawString("一个演示", tanklogo.getWidth(), 100, 0); repaint(); command = new Command(mTrucking == false ? "开始" : "重新开始", Command.OK, 1); addCommand(command); } public void commandAction(Command c, Displayable s) { if (c.getCommandType() == Command.EXIT) { midlet.notifyDestroyed(); } else if (c.getCommandType() == Command.OK) { mTrucking = true; start(); } } public void stop() { mTrucking = false; } }