gamecanvas.java

j2me游戏 j2me游戏j2me游戏j2me游戏j2me游戏j2me游戏j2me游戏

package demo;
import javax.microedition.lcdui.*;
public class GameCanvas extends Canvas{
	 
	//手机系统相关变量
	 public int SCREEN_W = 0;
	 public int SCREEN_H =  0;
	 public Image buffer = null;
	 public Graphics buffer_g = null;
	 GameMidlet midlet;
	 //所有图片信息
	 Image pandaLeftImg[] = null;
	 Image pandaRightImg[] = null;
	 Image fruitImg[] = null;
	 Image winImg = null;
	 Image overImg = null;
	 
	//控制 状态
	public final static int LEVELINFO=0; //关卡前提示用户该关通过需要信息（时间/分数）
	 public final static int GAME=1;
	 public final static int WIN=2;
	 public final static int LOST=3;
	 public final static int GAMEEND=4;
	 public final static int PAUSE=5;
	 
	 public int gameState = LEVELINFO ;
	 public int preGameState = LEVELINFO;
	 public int nextGameState = LEVELINFO;
	 
	int levelLaseTime = 0;
	int score =0;
	int level =0;
	//NPC 设定
	//苹果=0 西瓜=1 加分道具=2 加时间道具=3 多水果道具=4 加减速道具=5
	  public int levelTypes[][]={//每关中允许出现的NPC类型
	      {0,0,0,0,0,0},	{0,0,0,1,1,1},	{0,0,1,1,2,2},
	      {0,0,1,1,2,3},	{0,0,1,2,3,4},	{0,1,2,3,4,5},
	      {0,1,2,3,4,5},	{0,1,2,3,4,5},	{0,1,2,3,4,5},
	      {0,1,2,3,4,5},	{2,2,2,3,4,3},	{0,1,2,3,4,5},
	      {0,1,2,3,4,5},	{0,1,2,3,4,5},	{0,1,2,3,4,5},
	      {0,1,2,3,4,5},	{2,3,2,3,2,3},	{0,1,2,3,4,5},
	      {0,1,2,3,4,5},	{0,1,2,3,4,5}
	  }; 
	public int levelTime[] ={
			   0,100,100,	100,100,100,	100,100,100,
			   100,100,100,	100,90,80,	70,60,50,
			   50,40,30,20
		    };
	public int levelScore[]={0,500,600,	700,800,900,	1000,1200,1400,	
			   1600,1800,2000,	1000,2000,2000,	2000,2000,1000,
			   2000,2000,2000,2000
		      };
	//玩家控制角色 卡卡（方向） + 绳子（坐标）
	
	public GameCanvas(GameMidlet _midlet){
		midlet =_midlet;
		SCREEN_W = this.getWidth();
		SCREEN_H = this.getHeight();
		try{
			buffer = Image.createImage(SCREEN_W,SCREEN_H);
			buffer_g = buffer.getGraphics();
			
			 pandaLeftImg = new Image[]{midlet.loadImage("/panda_l1.png"),
					 midlet.loadImage("/panda_l2.png")
			 };
			 pandaRightImg = new Image[]{midlet.loadImage("/panda_r1.png"),
					 midlet.loadImage("/panda_r2.png")
			 };
			 fruitImg = new Image[]{midlet.loadImage("/f1.png"),
					 midlet.loadImage("/f2.png"),
					 midlet.loadImage("/d1.png"),
					 midlet.loadImage("/d2.png"),
					 midlet.loadImage("/d3.png"),
					 midlet.loadImage("/d4.png")
			 };
			 winImg = midlet.loadImage("/win.png");
			 overImg = midlet.loadImage("/over.png");
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	void initLevle(int _level){
		//level =_level;
		levelLaseTime = levelTime[_level];
		score =levelScore[_level];
		
		
	}
	protected void paint(Graphics g){
		buffer_g.setClip(0, 0, SCREEN_W, SCREEN_H);
		buffer_g.fillRect(0, 0, SCREEN_W, SCREEN_H);
		try{
			switch(gameState){
			case LEVELINFO: //关卡前提示用户该关通过需要信息（时间/分数）
			break;
			case	GAME:
			break;
			case WIN:
				break;
			case LOST:
				break;
			case GAMEEND:
				break;
			case PAUSE:
				break;
			}
		}catch(Exception e){
			e.printStackTrace();
		}
		
	}
	//外部事件--打电话 短信
	protected void hideNotify(){
		
		preGameState = gameState;
		gameState = PAUSE;
		
	}
	protected void showNotify(){
		gameState = preGameState;
	}
}