gamescreen.java~80~

基于数字机顶盒J2me平台开发的互动游戏《金鼠财神》游戏

package WealthGod106;

import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
import java.io.*;


public class GameScreen extends GameCanvas  implements Runnable {
  Graphics g;
  LayerManager lm;
  Image light,bz1,bz2,mouse;
  Sprite sp_light,sp_bz1,sp_bz2;
  Sprites sp_mouse;
  Globals gl;
  public GameScreen() throws IOException{
   super(true);
   g = getGraphics();
   gl = new Globals();
   gl.setGraphics(g);
   lm = new LayerManager();
   light = Image.createImage("/res/light.png");
   sp_light = new Sprite(light,561,194);//
   sp_light.setPosition(0,0);
   bz1 = Image.createImage("/res/bz1.png");
   sp_bz1 = new Sprite(bz1,56,53);//
   sp_bz1.setPosition(80,150);
   bz2 = Image.createImage("/res/bz2.png");
   sp_bz2 = new Sprite(bz2,57,48);
   sp_bz2.setPosition(280,150);

   mouse = Image.createImage("/res/mouse.png");
   sp_mouse = new Sprites(mouse,152,154,0,400,0,600,0,50,3,0,0,0);
   sp_mouse.ENUM_STYPE = 3;

   lm.append(sp_mouse);
   sp_mouse.szPrize = "3元话费";
   sp_mouse.szShowID = "123456";
   lm.append(sp_bz1);
   lm.append(sp_bz2);
   lm.append(sp_light);


   this.start();

  }

  public void start()
  {
     Thread t=new Thread(this);
     t.setPriority(Thread.MAX_PRIORITY);//设置优先级
     t.start();
  }

  public void run() {
    while(true){
       input();
       render(g);
       System.gc();
       try {
         Thread.sleep(100);
       }
       catch (InterruptedException ex4) {
       }
    }
  }

  void input()
  {
    int keyStates = getKeyStates();
//    if ((keyStates & UP_PRESSED) != 0)
//    else if ( (keyStates & RIGHT_PRESSED) != 0)
//    else if ( (keyStates & LEFT_PRESSED) != 0)
//    else if ( (keyStates & DOWN_PRESSED) != 0)
//    if ( (keyStates & FIRE_PRESSED) != 0)
  }

  void render(Graphics g)
  {
      int w = getWidth();
      int h = getHeight();
      g.setColor(0x000000);
      g.fillRect(0, 0, w, h);
      Font indicator = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD,Font.SIZE_LARGE);
      g.setFont(indicator);
      try {
        Image bk = Image.createImage("/res/bk.png");
        g.drawImage(bk, 0, 0, Graphics.TOP | Graphics.LEFT);
        Image word1 = Image.createImage("/res/word1.png");
        g.drawImage(word1, 0, 382, Graphics.TOP | Graphics.LEFT);
        Image word2 = Image.createImage("/res/word2.png");
        g.drawImage(word2, 561, 0, Graphics.TOP | Graphics.LEFT);
      }
      catch (IOException ex) {}
      for(int i=0;i<lm.getSize();i++){
         Sprite spp = (Sprite)lm.getLayerAt(i);
         spp.nextFrame();
       }

      lm.paint(g, 0, 0);
      flushGraphics();
    }
}