mypanel.java

附有详细的源代码

//MyPanel.java


import java.awt.event.*;
import java.awt.*;
import java.util.Date;

 public class MyPanel extends  Panel
{
   public MyPanel(Color bgcolor)
  {
   this.setBackground(bgcolor);//预设背景色
   
   //设置右击快捷菜单
   for(int k=0;k<100;k++)
      {
      	xiaoshi[k]=true;
      }
   p1.add(new MenuItem("增加字母数目"));
   p1.add(new MenuItem("加快下落速度"));
   p1.add(new MenuItem("加快变化速度"));
   p1.add(new MenuItem("加快时间间隔"));
   p1.addSeparator();
   p1.add(new MenuItem("减少字母数目"));
   p1.add(new MenuItem("减慢下落速度"));
   p1.add(new MenuItem("降低变化速度"));
   p1.add(new MenuItem("减缓时间间隔"));

   //xuanze(6);
   xuanze(3);
   for(int i=0;i<6;i++)
	  {
	  	fenshu+=zeng[i];
	  }
	  
  this.add(p1);
 
  }

  int mey=2;
  int ss;
  int es;
  int start=0;
  int hour=0;
  int minute=0;
  int fenshu=0;
  Date d1;
  Date d2;
  int shot=0;
  
 public String changestr(double a)
 {
   String str="0.0000";
   try{ str=""+String.valueOf(a);
	    str=str.substring(0,3);}
   catch(Exception exc){}
   return str;
 }
  
 PopupMenu p1=new PopupMenu();

 boolean reda;
 boolean greena;
 boolean bluea;

 int w;
 int h;
 int xuhao[]=new int[26];
 Image backimg;
 Graphics backg;
 //int num=6;
 int num=2;
 int score=0;
 int total=0;
 char zifu[]=new char[26];
 boolean up=true;
 
 
 //随机产生字母
 int jiji=0;
 public void xuanze(int num)
 {   jiji=0;
	 total+=num;
	 
	 for(int k=0;k<num;k++)
        {
        	xiaoshi[k]=true;
         }
	 
	 if(num>=26){xuhao[25]=25;num=25;}
     else if(num<=1)
          { 
            num=1;
            }
          
     int number1=0;
	 int number=0;
     for(int i1=0;i1<num;i1++)
     {
	    if(num<=24)
	    {
		   number1=26;
		   }
	    else
	    { 
	       number1=25;
	       }
	  number=(int)(Math.floor((number1*Math.random())));
       while(selected(number,i1))
       {
    	 number=(int)(Math.floor((number1*Math.random()))); 
 //System.out.println(number+"");
        }
      xuhao[i1]=number; 
 //System.out.println(""+xuhao[i1]+" "+i1+"");
    }
   
}



 public boolean selected(int number,int ii)
 {
 	for(int j=0;j<ii;j++)
      {
      	if(number==xuhao[j])
        return true;
        }
   return false;
   }
   
 int i=0;
 int delay=100;
 int add=3;
 int dd=0;
 
public void update(Graphics g)
{i++;
 
w=size().width;
h=size().height;
if(i<=1){d1=new Date();

ss=d1.getSeconds();}
if((i%4==0))
{
	d2=new Date();

es=d2.getSeconds();
if(es<ss){es+=60;}

start=es-ss;

if(start<=60&&start>=59){if(xiaoshi[95])
	minute++;
						 xiaoshi[95]=false;
			  }
if(minute==60){
	if(xiaoshi[96]){
		minute=0;hour++;}
	xiaoshi[96]=false;
			  }
}



 if(red>=254){reda=false;}
 if(red<=1){reda=true;}
 if(green>=254){greena=false;}
 if(green<=1){greena=true;}
 if(blue>=252){bluea=false;}
 if(blue<=3){bluea=true;}
 if(i%5==0){
 if(reda){red++;}
				   else{red--;}
 if(greena){green+=2;}else{green-=2;}
 if(bluea){blue+=3;}else{blue-=3;}}
 
 backg.setColor(new Color(red,green,blue));
 backg.fillRect(0,0,w,h);
 backg.setFont(null);
 backg.setColor(Color.white);
 
String defenlv=changestr(((double)(score)/(double)(fenshu)*100));
int sudu=shot*60/(hour*3600+minute*60+start+1);
String mingzhonglv=changestr(((double)shot/(double)(total)*100));
backg.drawString("字母:"+num+" 用时"+hour+":"+minute+":"+start+" 发出:"
                 +total+" 命中:"+shot+" 得分:"+score+" 应得:"
                 +fenshu+" 速度:"+sudu+"键/分",1,20);
backg.drawString("命中率:"
                 +mingzhonglv+"%"+" 得分率"+defenlv+"%",1,40); 
 if(i%delay==0){xuanze(num);
				xiaoshi[95]=true;
				xiaoshi[96]=true;
	 px=new int[num];
	 zeng=new int[num];
	 py=new int[num];	 mey=(int)(num*Math.random())-1;
	 for(int k=0;k<num;k++)
	 {
	   px[k]=(int)((w-20)*Math.random());
	   if(k<mey)
	     {py[k]=(int)((20)*Math.random())+size().height-20;}
	   else
	     {{py[k]=(int)((20)*Math.random());}}
	   zeng[k]=(int)(juli*Math.random())+1;
	   fenshu+=zeng[k];
				 }}
	paint(g);}
	
int zeng[]={3,5,3,7,4,2};
int juli=2;
int red=22;
int green=22;
int blue=22;
public void drawchar(Graphics g,int x,int y,char key)
{
	g.setColor(Color.orange);
	g.fillOval(x,y,20,20);
	g.setColor(Color.blue);
    g.setFont(new Font("TimesRoma",Font.BOLD,18));
    g.drawString(""+(char)key,x+4,y+16);
}

int x=-1;
public void paint(Graphics g)
 {
 	for(int mm=1;mm<3600000;mm++) {}
	 if(backimg==null)
    {
        w=size().width;
        h=size().height;
        backimg=createImage(w,h);
        backg=backimg.getGraphics();
      if(i<=1)
        {}
      for(int i=0;i<zifu.length;i++)
     {
     	zifu[i]=(char)(i+97);
       }
  
    }
   
      for(int k=0;k<num;k++)
	 {
	   if(xiaoshi[k])
	  {
	  	 if(k<mey)
	  	{
	  	    drawchar(backg,px[k],py[k]-=zeng[k],zifu[xuhao[k]]);
	  	    }
		 else{
		 	drawchar(backg,px[k],py[k]+=zeng[k],zifu[xuhao[k]]);
		 	 }
			if(this.i%1000==0)
		   {
		   	drawchar(backg,px[k]+zeng[k],py[k]+=zeng[k],zifu[xuhao[k]]);
		   	}
		}
	 }
	 
    for(int k=0;k<num;k++)
   {
	 if(xiaoshi[k])
	{
	   if(x==xuhao[k])
	  {
	  	xiaoshi[k]=false;
	  	shot++;
	  	score+=zeng[k];
	  	jiji++;
		backg.setColor(Color.orange);
		backg.fill3DRect(px[k]+6,py[k]+5,6,size().height-py[k],true);
		backg.setColor(Color.magenta);
		dddd=px[k]-15;
		backg.fill3DRect(px[k]-15,size().height-10,50,10,true);
	    
	    if(jiji==num)
	   {
		   backg.setColor(new Color(red,green,blue));
		   try{
			    xuanze(num);
				for(int i=0;i<num;i++)
				   fenshu+=zeng[i];
			  }
		   catch(Exception ex){}
		}
	   }
		
     }
   }
   
 backg.setColor(new Color(255-red,255-green,255-blue));
 backg.fill3DRect(dddd,size().height-10,40,10,true);
 g.drawImage(backimg,0,0,w,h,this);
 if(up)
 {
 	repaint(time);
 	}
 }
 
 int time=30;
 boolean xiaoshi[]=new boolean[100];
 
 //int px[]={80,255,170,240,290,350};
// int py[]={200,340,50,30,60,70};
 int px[]={40,40,40,40,40,40};
 int py[]={700,700,700,700,700,700};
public boolean keyDown(Event e, int key)
	{
		if(up==false)
	      {up=true;repaint();}
		x=key-97;
		
	
		return super.keyDown(e, key);
	}
public boolean keyUp(Event e, int key)
	{
		x=-1;
		
		return super.keyDown(e, key);
	}

public boolean mouseDown(Event e, int p2, int p3)
	{
		if(e.metaDown())
	  	  {
	  	  	up=false;
	    	p1.show(this,p2,p3);}
		else up=true;
		
		return super.mouseDown(e, p2, p3);
	}
	
	
int dddd=2000;
public boolean action(Event e, Object what)
	{
		this.setCursor(new Cursor(Cursor.WAIT_CURSOR));
		if("增加字母数目".equals(what))
	   {
		 	num++;
			if(num>=11)
		   {
		   	   delay=(size().height-50)/(juli/2);
		   	   }
			 if(num>=26)
			 num=26;
		
		xuanze(num);
	    px=new int[num];
	    zeng=new int[num];
	    py=new int[num];
	    mey=(int)(num*Math.random())-1;
	    mey=(int)(num*Math.random())-1;
	   for(int k=0;k<num;k++)
	  {
		 px[k]=(int)((w-20)*Math.random());
		 if(k<mey)
		{
			py[k]=(int)((20)*Math.random())+size().height-20;
			}
		 else
		{
			py[k]=(int)((20)*Math.random());
			}
		 zeng[k]=(int)(juli*Math.random())+1;fenshu+=zeng[k];
		 }
	   }
	   
	   
	 if("减少字母数目".equals(what))
     {
     	num--;
		if(num>=11)
	   {delay=(size().height-50)/(juli/2);}
		if(num<=1)
		num=1;
		
	   xuanze(num);
	   px=new int[num];
	   zeng=new int[num];
	   py=new int[num]; 
	   mey=(int)(num*Math.random())-1;
	
	   for(int k=0;k<num;k++)
	  {
		 px[k]=(int)((w-20)*Math.random());
		 if(k<mey)
		{
		 	py[k]=(int)((20)*Math.random())+size().width-20;
		 	}
		 else
		    {
		    	py[k]=(int)((20)*Math.random());
		    	}
		 zeng[k]=(int)(juli*Math.random())+1;fenshu+=zeng[k];
		 }
	 }
	
	
	if("加快下落速度".equals(what))
	   {juli+=3;}
    if("加快变化速度".equals(what))
       {delay-=5;if(delay<=10){delay=10;}}
 	if("加快时间间隔".equals(what))
 	   {time+=3;}
	if("减慢下落速度".equals(what))
	   {juli-=3;if(juli<=3){juli=3;}}
	if("降低变化速度".equals(what))
	   {delay+=5;}
	if("减缓时间间隔".equals(what))
	   {time-=3;if(time<=4){time=4;}}
	
	
    this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
    up=true;
	 

	
		return super.action(e, what);

	}
	 
	
}