gamesetting.java

最近弄的一个跨栏小游戏

import java.io.IOException;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;


public class GameSetting {

	public GameSetting(GameScreen gs){
		this.gs = gs;
	}

	public void init(){
		try {
			if(sound1_img==null)
			    sound1_img = Image.createImage("/isSound.png");
			if(sound2_img==null)
				sound2_img = Image.createImage("/noSound.png");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void paint(Graphics g){
		g.setClip(0, 0, GameScreen.screenW, GameScreen.screenH);
		GameMenu.drawBack(1, g);
		g.setClip(90, 80, 15, 30);
		g.drawImage(sound2_img, 90, 80, 20);
		g.setClip(90, 80+index*15, 15, 15);
		g.drawImage(sound1_img, 90, 80, 20);
		GameMenu.drawIcons(1, GameScreen.screenW-25, GameScreen.screenH-20, g);
	}
	
	public void run(){
		doLogic();
	}
	
	public void keyPress(int keyCode){
		if(gs.getGameAction(keyCode)==Canvas.UP || keyCode==Canvas.KEY_NUM2)
			index--;
		if(gs.getGameAction(keyCode)==Canvas.DOWN || keyCode==Canvas.KEY_NUM8)
			index++;
		if(keyCode==-7){
			gs.setGameState(GameScreen.MAINMENU);
			if(index==0)
			    GameMenu.changeSoundState(true);
			else
				GameMenu.changeSoundState(false);
		}
	}
	
	public void doLogic(){
		if(index<0)
			index = 1;
		if(index>=2)
			index = 0;
	}
	
	private GameScreen gs = null;
	private Image sound1_img;
	private Image sound2_img;
	private int index;
}