一款简单射击类游戏代码

import java.io.IOException; import java.io.InputStream; import java.util.Random; import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.Graphics; import javax.microedition.lcdui.Image; import javax.microedition.lcdui.game.GameCanvas; import javax.microedition.media.Manager; import javax.microedition.media.MediaException; import javax.microedition.media.Player; public class C extends GameCanvas implements Runnable { private Audio audio; boolean loadMusic=false; boolean hasSound; public static Player rotateMusic; boolean hasPlayer=false; private InputStream is1; private MyMIDlet app; private Thread thread; private boolean gameRunning = true; private int mainFlag = 0; private int gameFlag = 0;//全局的游戏计数器，只在这里被赋值 private int stageClearFlag = 0; private boolean tans=false; private final int SCREEN_W = 240; //屏幕宽 private final int SCREEN_H = 291; //屏幕高 //状态量 private final int MAIN_LOGO = 1; //LOGO private final int MAIN_TITLE = 2; //标题 private final int MAIN_ABOUT = 3; //主菜单 private final int MAIN_GAME = 8; //游戏 private final int MAIN_HELP = 10; //帮助 private final int MAIN_RESULT = 12; // private final int MAIN_END = 13; //结局 private final int MAIN_MAKING = 14; //读取关卡 private int hiScore = 0; private boolean flagBossDie; private int flagBossDieCount; private static Image title; private static Image arrow; private static Image menu; private int drawPoint = 1; private static Image imgMyShip; //玩家飞机图片 private static Image background; private static Image lifeicon; private static Image bombicon; private static Image playerFront;//座机前的小飞机 private static Image playerShot;//座机1、2钟普通子弹 private static Image subShot;//座机导弹 private static Image[] jiGuang = new Image[4]; private static Image imgLazerHit;//被激光击中时的图片 private static Image superAttack_1; private static Image superAttack_2; private static Image superAttack_3; private boolean playerAlive = true; private int backY;//控制背景的Y //按键是否被按下 private boolean P_UP = false; private boolean P_DOWN = false; private boolean P_LEFT = false; private boolean P_RIGHT = false; private static Image playerDieBomb; private static Image enemyDieBomb; private static Image bossDieBomb; private int readCount = 0; private int logoCount = 0; private int makingCount = 0; private int titleCount = 0; private static Image net; private static Image sp; private static Image cp; private int stage = 1; private int mapScroll; private boolean bossBattle = false; private boolean bossCreated = false; private int gameOverFlag = 0; private boolean stageClear = false; // private boolean soundON = false; private boolean gameAlive = false; boolean alowRun = true; private boolean alowSound = true; private int soundPause = 0; private final int[] superMode = {0,50,50,56,56,52,54,52,54,53,0}; private int superKey = 0; private boolean manyLife = false;//是否为无限生命 private int helpCount = 0; MyMIDlet myMIDlet; RaidenCanvas raidenCanvas ; public C(MyMIDlet m) { super(false); myMIDlet=m; System.out.println(C.RIGHT_PRESSED); setFullScreenMode(true); app = m; //Midlet Object thread = null; // audio = Audio.getInstance(); // audio.playSound(Audio.START); System.out.println("di yici "); // myMIDlet=new MyMIDlet(1); raidenCanvas=new RaidenCanvas(m); init(); try { is1 = getClass().getResourceAsStream("/1.mid"); rotateMusic = Manager.createPlayer(is1, "audio/midi"); }catch (MediaException ex) { System.out.println(ex.toString()); }catch (IOException ex) { System.out.println("2"); } //hasSound=true; loadMusic=true; // playSound(); thread = new Thread(this); //当前类的线程 thread.start(); } public synchronized void stop() { thread=null; } public void init() { mainFlag = MAIN_LOGO; try { if (net == null) net = Image.createImage("/logo1.png"); if (sp == null) sp = Image.createImage("/logo2.png"); if (cp == null) cp = Image.createImage("/cp.png"); }catch(Exception e){System.out.println("no photo of net||sp||cp");} } protected void changeMain(int state)//改变主状态 { mainFlag = state; } public void run() { long rate = 20;//20ms刷屏一次 long sta = 0; long end = 0; long diff = 0; while (alowRun) { sta = System.currentTimeMillis(); Thread.yield(); if (gameRunning) { autoEvent();//逻辑处理 ***** } repaint(); //绘画处理 this.serviceRepaints();//强制绘图，先把图像绘出出来 end = System.currentTimeMillis(); diff = end - sta; if (diff < rate) try { Thread.sleep(rate - diff); }catch(Exception e){} } } protected void pauseGame() { clearButton(); if (gameRunning)//&&(mainFlag == MAIN_GAME||mainFlag == MAIN_TITLE)) { gameRunning = false; } else { gameRunning = true; } } protected void clearButton() { P_UP = false; P_DOWN = false; P_LEFT = false; P_RIGHT = false; } public void hideNotify() { if(gameRunning && (mainFlag == MAIN_GAME||mainFlag == MAIN_TITLE)) //游戏主界面 { pauseGame(); } if(hasSound) // releaseSound(); { try{ rotateMusic.stop(); }catch(MediaException e){} rotateMusic.deallocate(); rotateMusic.close(); loadMusic=false; } } public void showNotify() { if(!gameRunning&&mainFlag==MAIN_TITLE) gameRunning=true; } public void autoEvent()// 只被run调用 { switch(mainFlag) { case MAIN_LOGO: logoCount++;//标题状态时的计数器 if (logoCount > 200) { net = null; sp = null; loadDate(); } if (logoCount > 260) { //playSound(); changeMain(MAIN_TITLE);//转到下一状态 } break; case MAIN_TITLE: titleCount++; //playSound(); //if(hasSound&&!loadMusic) //loadSound(); //if(gameRunning&&hasSound&&!hasPlayer)//!gameRunning&& //playSound(); break; case MAIN_HELP://帮助 if(helpCount > 0) helpCount--; break; case MAIN_MAKING://游戏开始之前的预处理 //这个状态没有接受键盘处理 makingCount++; changeMain(MAIN_GAME);//转到游戏状态 // } break; case MAIN_GAME: gameFlag++; //游戏计数器 if(!gameRunning&&hasSound&&!loadMusic) loadSound(); if(!gameRunning&&hasSound&&!hasPlayer) playSound(); break; } } protected void keyPressed(int keycode) { if(mainFlag==MAIN_LOGO) { if (logoCount < 100) logoCount = 100;//任意键加快跳转 else if (logoCount > 100 && logoCount < 200) logoCount = 200;//任意键加快跳转 return; } switch (mainFlag) { case MAIN_TITLE: switch(keycode) { case -6://Nokia 40/60的中、左软件 case -5: switch (drawPoint) { case 1: System.out.println("pppppppppppppppppppppppppppppppppppppppppppp"); //开始游戏 //reset();//boss和背景置null****** //makeNewGame();****** //makingCount = 0; changeMain(MAIN_MAKING);//跳转关卡 // System.gc(); break; case 2://显示帮助 changeMain(MAIN_HELP); break; case 3://关于 changeMain(MAIN_