myback.java

用JavaME开发的手机版CS和射击飞机的游戏

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


public class MyBack {
	private Image m_backImg;						//背景画面图像
//	private Image m_cloudImg;
	
	public MyBack(){
		try{				//读取背景图像
			m_backImg = Image.createImage("/back.png");
	//		m_cloudImg= Image.createImage("/demo/cloud.png");
	//        lm.append(m_backImg);
		}
		catch (Exception ex){} 
	}
	
	/*****
	 * 显示背景内容
	 * @参数 g.............对应显示屏幕
	 * @参数 scrWidth......屏幕的宽
	 * @参数 scrHeight.....屏幕的高
	 */
	public void Paint( Graphics g, int scrWidth, int scrHeight ){
		if( m_backImg != null ){
			//将背景显示到屏幕的中心
			int x = ( scrWidth - m_backImg.getWidth() ) / 2;
			int y = ( scrHeight - m_backImg.getHeight() ) / 2;
			g.drawImage(m_backImg, x, y, 0 );
		}
/*		if( m_cloudImg !=null ){
			g.drawImage(m_cloudImg,20,20,0);
		    g.drawImage(m_cloudImg,90,50,0);
		    g.drawImage(m_cloudImg,30,120,0);
		}*/
	}

	

}