helpcanvas.java

J2ME手机版游戏——配对赛源代码

import javax.microedition.lcdui.*;
import move.ui.XCanvas;
import move.ui.StringLayout;
//Download by http://www.codefans.net
class HelpCanvas extends XCanvas{

	int height;
	StringLayout sLayout;
	String s="规定的时间内，在所有图片中找到“成对”的组，每找到一个对相同的，就可成对并消掉，直到消掉全部的图片游戏进入下一关。\n\n"+
		"方向键：控制指针移动\n"+
		"OK或#：翻开图片\n"+
		"左功能键：返回\n"+
		"右功能键：暂停\n";
			

	public HelpCanvas()
	{
		setPosition(0,0);
		sLayout = new StringLayout(s, 10, 20, getWidth()-20, 3);
		height = sLayout.getHeight() + 30;
	}

    public void paint(Graphics g)
	{
		g.setColor(0);
		g.fillRect(0,0,getWidth(),getHeight());
		g.setColor(255,255,255);
		sLayout.draw(g, 10, top+20);
	}

	public void keyPressed(int keyCode)
	{
		switch(keyCode)
		{
			case SOFTKEY2:
				SuperMate.changeScene(SuperMate.DISPLAY_MAIN);
				break;			
		}
		switch(getGameAction(keyCode))
		{			
			case FIRE:
				SuperMate.changeScene(SuperMate.DISPLAY_MAIN);
				break;
			case UP:
				if(top<0) top+=17;
				break;				
			case DOWN:
				if(top>getHeight()-height) top-=17;
				break;				
		}
		repaint();
		serviceRepaints();
	}

}