gameflatobj.java

是男人就下一百层

package LR;

import javax.microedition.lcdui.game.Sprite;
import javax.microedition.lcdui.*;
import java.util.Random;

public class gameFlatObj extends Sprite 
{
    /*public final static int DEFAULT_PROPERTIES=0;
    public final static int JUMP_FLAT_PROPERTIES=1;
    public final static int GO_RIGHT_PROPERTIES=2;
    public final static int GO_LEFT_PROPERTIES=3;
    public final static int HARM_PROPERTIES=4;*/
    private final static int IMG_LENGTH=6;
    private static Image[] imgList;
    private static Random rnd;
    private static int nowProp=0;
    private boolean isTop=false;
    private int[] HideObj={0,0,1,1,2,2,3,3,2,2,1,1};
    private int properties=0;
    private int x,y;
    private long stayTime=0;
    
    static
    {
        imgList=new Image[IMG_LENGTH];
        for(int i=0;i<imgList.length;i++)
        {
            try
            {
                imgList[i]=Image.createImage("/flat"+i+".png");
                System.out.println("Picture "+(i+1)+" Loaded");
            }
            catch(Exception e)
            {
                System.out.println("Can't Load pic"+e);
            }
        }
    }
    
    private boolean isStayEnought()
    {
        if((System.currentTimeMillis()-stayTime)>1000)
        {
            stayTime=System.currentTimeMillis();
            return true;
        }
        else
        {
            return false;
        }
    }
    
    public void resetTime()
    {
        stayTime=0;
    }
    
    public gameFlatObj(boolean isFirst)
    {
        super(imgList[getRnd(25,isFirst)],50,8);
        if(isFirst)
        {
            properties=nowProp;
        }
        else
        {
            properties=nowProp;
            //System.out.println(nowProp);
        }
        if(properties==5)
        {
            this.setFrameSequence(HideObj);
        }
        objInit();
    }
    
    public void objInit()
    {
        this.defineCollisionRectangle(0,0,50,6);
        rnd=new Random();
        objReset();
    }
    
    public void up()
    {
        y-=1;
        if(y<0)
        {
            isTop=true;
        }
        this.setPosition(x,y);
    }
    
    public void doOnChar(gameCharObj gco)
    {
        switch(properties)
        {
        case 0:
            gco.up(y);
            break;
        case 1:
            gco.jump();
            break;
        case 2:
            gco.up(y);
            gco.roll(gameCharObj.MOVE_RIGHT);
            break;
        case 3:
            gco.up(y);
            gco.roll(gameCharObj.MOVE_LEFT);
            break;
        case 4:
            gco.up(y);
            if(isStayEnought())
            {
                gco.setCharHarm(false);
            }
            break;
        case 5:
            if((Math.abs(rnd.nextInt())%10)<7)
            {
                gco.up(y);
            }
            else
            {
                gco.go();
            }
        }
    }
    
    public boolean getIsTop()
    {
        return isTop;
    }
    
    public int getProperties()
    {
        return properties;
    }
    
    private void objReset()
    {
        x=getStartPos();
        y=220;
    }
    
    private int getStartPos()
    {
        int tmp=Math.abs(rnd.nextInt())%6;
        switch(tmp)
        {
            case 0:
                return 10;
            case 1:
                return 30;
            case 2:
                return 50;
            case 3:
                return 70;
            case 4:
                return 90;
            case 5:
                return 110;
            default:
                return 10;
        }
    }
    
    private static int getRnd(int i,boolean isFirst) //返回指定数值中的随机整数
    {
        if(isFirst)
        {
            return nowProp=0;
        }
        else
        {
            int tmp=Math.abs(rnd.nextInt())%i;
            switch(tmp)
            {
                case 0:
                case 1:
                case 2:
                case 3:
                case 4:
                case 5:
                case 6:
                    return nowProp=0;
                case 7:
                case 8:
                case 9:
                    return nowProp=1;
                case 10:
                case 11:
                case 12:
                    return nowProp=2;
                case 13:
                case 14:
                case 15:
                    return nowProp=3;
                case 16:
                case 17:
                case 18:
                    return nowProp=4;
                case 19:
                case 20:
                case 21:
                    return nowProp=5;
                case 22:
                case 23:
                default:
                    return nowProp=0;
            }
        }
    }
}