黄金矿工的游戏

				/*
				 * Hook.java
				 *
				 * Created on 2007年3月15日, 下午4:49
				 *
				 * To change this template, choose Tools | Template Manager
				 * and open the template in the editor.
				 */
				import javax.microedition.lcdui.Graphics;
				import javax.microedition.lcdui.Image;
				import java.io.IOException;
				import javax.microedition.lcdui.game.Sprite;
				/**
				 *矿勾
				 * @author MissYou
				 */
				public class Hook {
				    public static final int SPEED = 5;
				    public static final int INIX = 120;
				    public static final int INIY = 37;
				    private static final double [] TRIANGLE = { 0.9848, 0.9397, 0.8660, 
				        0.7660, 0.6427, 0.5, 0.3420, 0.1736 };
				    private int nowSpeed;
				    private Image Source;
				    private double X, Y;
				    private int currentImage;
				    private Sprite HookSprite;
				    
				    /** Creates a new instance of Hook */
				    public Hook() {
				        try{
				            Source = Image.createImage("/GoldHook.png");
				            HookSprite = new Sprite(Source, 40, 29);
				            HookSprite.defineReferencePixel(20, 12);
				            Initialize();
				        } catch(IOException ioe){
				            System.out.println("GoldHook can't be loaded.");
				        }
				    }
				    
				    public void Initialize(){
				        getHookSprite().setVisible(true);
				        getHookSprite().setFrame(0);
				        nowSpeed = SPEED;
				        X = INIX;
				        Y = INIY;
				        currentImage = 0;
				        HookSprite.setRefPixelPosition((int)X,(int)Y);
				    }
				    
				    public int getnowSpeed(){
				        return nowSpeed;
				    }
				    
				    public int getX(){
				        return (int)X;
				    }
				    
				    public int getY(){
				        return (int)Y;
				    }
				    
				    public void setXY(int x, int y){
				        X = x;
				        Y = y;
				    }
				    
				    public void setnowSpeed(int nowspeed){
				        nowSpeed = nowspeed;
				    }
				    
				    public void setCurrentImage( int currentimage ){
				        currentImage = currentimage;
				    }
				    
				    public Image getSource(){
				        return Source;
				    }
				    
				    public Sprite getHookSprite(){
				        return HookSprite;
				    }   
				    
				    public void extReSetXY(){
				        if ( HookSprite.getFrame() == 8 )
				            Y = Y + getnowSpeed();
				        else{
				            if ( HookSprite.getFrame() < 8 ){
				                X=X-nowSpeed*TRIANGLE[HookSprite.getFrame()];
				                Y=Y+nowSpeed*TRIANGLE[TRIANGLE.length-HookSprite.getFrame()-1];
				            }
				            else{
				                X=X+nowSpeed*TRIANGLE[16-HookSprite.getFrame()];
				                Y=Y+nowSpeed*TRIANGLE[HookSprite.getFrame()%9];
				            }
				        }
				        HookSprite.setRefPixelPosition((int)X, (int)Y);
				    }
				    
				    public void backReSetXY(){
				        if ( HookSprite.getFrame() == 8 )
				            Y = Y - getnowSpeed();
				        else{
				            if ( HookSprite.getFrame() < 8 ){
				                X=X+nowSpeed*TRIANGLE[HookSprite.getFrame()];
				                Y=Y-nowSpeed*TRIANGLE[TRIANGLE.length-HookSprite.getFrame()-1];
				            }
				            else{
				                X=X-nowSpeed*TRIANGLE[16-HookSprite.getFrame()];
				                Y=Y-nowSpeed*TRIANGLE[HookSprite.getFrame()%9];
				            }
				        }        
				        HookSprite.setRefPixelPosition((int)X, (int)Y);
				    }
				}