fish.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.sea.basic;

import java.util.Random;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import org.cesar.inmotion.sea.GameCanvas;
import org.cesar.inmotion.util.GameItem;

public class Fish extends GameItem
{

    private boolean dead;
    private boolean up;
    private byte cycles;
    public static final byte DIR_LEFT = -1;
    public static final byte DIR_RIGHT = 1;
    public static final byte DIR_NONE = 0;
    private byte DIR_ACTIVE;
    private Image images[];

    public Fish(Image aimage[], byte byte0)
    {
        super(0, 0, aimage[0]);
        dead = false;
        up = false;
        DIR_ACTIVE = 1;
        images = aimage;
        setDirection(byte0);
        setXspeed(2);
        setYspeed(1);
        cycles = (byte)Math.abs((new Random()).nextInt() % 10);
    }

    public void ressurect()
    {
        dead = false;
        setXspeed(1);
    }

    public boolean isDead()
    {
        return dead;
    }

    public void kill()
    {
        dead = true;
    }

    public void update()
    {
        if(getX() >= -50 && getX() <= (GameCanvas.ScreenWidth - getImage().getWidth()) + 50)
        {
            setX(getX() + DIR_ACTIVE * getXspeed());
            if(cycles == 10)
            {
                if(up)
                    setY(getY() + getYspeed());
                else
                    setY(getY() - getYspeed());
                cycles = 0;
                up = !up;
            }
            cycles++;
        } else
        {
            setVisible(false);
        }
    }

    public void draw(Graphics g)
    {
        if(isVisible() && !dead)
            g.drawImage(getImage(), getX(), getY(), 20);
    }

    public byte getDirection()
    {
        return DIR_ACTIVE;
    }

    public void setDirection(byte byte0)
    {
        DIR_ACTIVE = byte0;
        switch(DIR_ACTIVE)
        {
        case -1: 
            setImage(images[0]);
            break;

        case 1: // '\001'
            setImage(images[1]);
            break;

        default:
            setVisible(false);
            kill();
            break;
        }
    }
}