gameitem.java

一款j2me的钓鱼游戏,大家可以自由设计鱼.可以部署在eclipse,netbeans.

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 

package org.cesar.inmotion.util;

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

public abstract class GameItem
{

    private int x;
    private int y;
    private int xspeed;
    private int yspeed;
    private boolean visible;
    private Image image;
    private int height;
    private int width;

    public GameItem(int i, int j)
    {
        x = i;
        y = j;
    }

    public GameItem(int i, int j, Image image1)
    {
        image = image1;
        x = i;
        y = j;
        if(image == null)
        {
            height = 0;
            width = 0;
        } else
        {
            height = image.getHeight();
            width = image.getWidth();
        }
    }

    private boolean rectangleIntersection(int i, int j, int k, int l)
    {
        if((getY() + getHeight()) - 1 < k)
            return false;
        if(getY() > l)
            return false;
        if((getX() + getWidth()) - 1 < i)
            return false;
        return getX() <= j;
    }

    public void setWidth(int i)
    {
        width = i;
    }

    public int getWidth()
    {
        return width;
    }

    public void setHeight(int i)
    {
        height = i;
    }

    public int getHeight()
    {
        return height;
    }

    public void setImage(Image image1)
    {
        image = image1;
    }

    public Image getImage()
    {
        return image;
    }

    public int getX()
    {
        return x;
    }

    public int getY()
    {
        return y;
    }

    public void setX(int i)
    {
        x = i;
    }

    public void setY(int i)
    {
        y = i;
    }

    public int getXspeed()
    {
        return xspeed;
    }

    public void setXspeed(int i)
    {
        xspeed = i;
    }

    public int getYspeed()
    {
        return yspeed;
    }

    public void setYspeed(int i)
    {
        yspeed = i;
    }

    public void setVisible(boolean flag)
    {
        visible = flag;
    }

    public boolean isVisible()
    {
        return visible;
    }

    public abstract void draw(Graphics g);

    public abstract void update();

    public boolean intersects(GameItem gameitem)
    {
        boolean flag = false;
        if(isVisible())
            flag = rectangleIntersection(gameitem.getX(), (gameitem.getX() + gameitem.getWidth()) - 1, gameitem.getY(), (gameitem.getY() + gameitem.getHeight()) - 1);
        return flag;
    }
}