J2ME小特效之波浪字体

GAMELOFT新出的游戏MiamiNights中开始页面有个 波浪字体很漂亮
“PRESS 5”     7个字符依次向空中飞起再落下 晚上想了下写了出来

{geshibot lang="javascript"}import javax.microedition.lcdui.*;
/**
* 进行低阶绘图的Canvas类
*
* @author aflylove
* @version 1.0
*/
class DrawCanvas extends Canvas implements Runnable{
private Image img;
/** 构造函数 */
private String str=new String("PRESS 5");
private int[] ak={0,0,0,0,0,0,0,1,2,3,3,2,1,0,0,0,0,0,0,0};
boolean kaishi=true;
private int k=6;
public DrawCanvas (){
  new Thread(this).start();
                 }                
  protected void paint(Graphics g){
   g.setColor(0x00ffffff);
   g.fillRect(0,0,getWidth(),getHeight());
   g.setColor(0x00000000);
   for(int i=0;i<str.length();i++){
     g.drawString(str.substring(i,i+1),20+i*7,10-ak[k-i],0);
     g.drawString(str.substring(i,i+1),21+i*7,11-ak[k-i],0);//加重字体7是字体宽度
   } 
}
   public void run(){
    while(kaishi){
     try {
    repaint();    //再描绘
    Thread.sleep(70);  //等待一定时间
       k++;
    if(k>(ak.length-1)) k=6;  
    }
   catch(InterruptedException e){}
    }  
   }
}{/geshibot}