plane.java

追踪子弹的小程序

package aibullet;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
/**
 * @author java-bin
 * @version 1.0
 */
public class Plane extends Sprite
{
    private Image plane_img=null;
    private int plane_size_W;//width of picture
    private int plane_size_H;//heigth of picture
    public Plane(Image plane_img,int w,int h)
    {
        super(plane_img,w,h);
        this.plane_img=plane_img;
        this.plane_size_W=w;
        this.plane_size_H=h;
    }
    public int getPosX()
    {
        return getX()+plane_size_W/2-3;
    }
    public int getPoxY()
    {
        return getY()-3;
    }
}