sprite.java

充气球的j2me代码,可以自由的部署在eclipse,netbeas里面.希望大家喜欢.

// 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 
// Source File Name:   Sprite.java

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

public class Sprite
{

    private Image image;
    private int x;
    private int y;
    private int width;
    private int height;
    private int numFrames;
    private int frame;
    private boolean visible;

    public Sprite(Image image, int width, int height, int numFrames)
        throws Exception
    {
        visible = true;
        this.image = image;
        this.width = width;
        this.height = height;
        this.numFrames = numFrames;
        if(image.getHeight() != height)
            throw new Exception("Height not correct: " + height + " must be: " + image.getHeight());
        if(image.getWidth() / numFrames != width)
            throw new Exception("Width not correct:" + width + " must be: " + image.getWidth());
        else
            return;
    }

    public void paint(Graphics g)
    {
        if(visible)
        {
            g.setClip(x, y, width, height);
            g.drawImage(image, x - frame * width, y, 20);
            g.setClip(0, 0, 176, 208);
        }
    }

    public int getX()
    {
        return x;
    }

    public void setX(int x)
    {
        this.x = x;
    }

    public int getY()
    {
        return y;
    }

    public void setY(int y)
    {
        this.y = y;
    }

    public int getWidth()
    {
        return width;
    }

    public int getHeight()
    {
        return height;
    }

    public int getFrame()
    {
        return frame;
    }

    public void setFrame(int frame)
        throws Exception
    {
        if(frame < 0 || frame > numFrames - 1)
        {
            throw new Exception("Not correct frame number:" + frame + "-" + numFrames);
        } else
        {
            this.frame = frame;
            return;
        }
    }

    public void setVisible(boolean visible)
    {
        this.visible = visible;
    }

    public int getNumFrames()
    {
        return numFrames;
    }
}