Java实现窗体中角色逐渐风化效果

效果图如下：


源码：
AirslakeImage.java

packageorg.test;

importjava.awt.Button;
importjava.awt.Color;
importjava.awt.Frame;
importjava.awt.Graphics;
importjava.awt.Image;
importjava.awt.Panel;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjava.awt.event.WindowAdapter;
importjava.awt.event.WindowEvent;
importjava.awt.image.PixelGrabber;
importjava.util.Random;

importorg.loon.framework.game.image.Bitmap;
importorg.loon.framework.game.image.LColor;
/***//**
*<p>Title:LoonFramework</p>
*<p>Description:java实现图片风化效果</p>
*<p>Copyright:Copyright(c)2007</p>
*<p>Company:LoonFramework</p>
*@authorchenpeng
*@email：ceponline@yahoo.com.cn
*@version0.1
*/
publicclassAirslakeImageextendsPanelimplementsRunnable,ActionListener...{

/***//**
*
*/
privatestaticfinallongserialVersionUID=1L;

staticfinalpublicint_WIDTH=400;

staticfinalpublicint_HEIGHT=400;

privateboolean_isRun=false;

privateImage_img;

privateImage_screen;

privateGraphics_back;

privateint_imgWidth;
privateint_imgHeight;

privateFraction[]_fractions;

privateThread_timer;

privateButton_meganteButton;
privateButton_revivalButton;


privateRandom_rand=newRandom();

publicAirslakeImage()...{

_screen=newBitmap(_WIDTH,_HEIGHT).getImage();

_back=_screen.getGraphics();

setSize(_WIDTH,_HEIGHT);

_meganteButton=newButton("破碎图片");
_meganteButton.addActionListener(this);
add(_meganteButton);

_revivalButton=newButton("还原图片");
_revivalButton.addActionListener(this);
add(_revivalButton);
_revivalButton.setEnabled(false);

loadImage("role.png");

init(_img);
}

/***//**
*初始化image图像，分解其中像素
*@param_img
*/
privatevoidinit(Image_img)...{
if(_timer!=null)...{
_timer=null;
_isRun=false;
}
_fractions=newFraction[_imgWidth*_imgHeight];
PixelGrabberpg=newPixelGrabber(_img,0,0,_imgWidth,_imgHeight,true);
try...{
pg.grabPixels();
}catch(InterruptedExceptione)...{
e.printStackTrace();
}
intpixel[]=(int[])pg.getPixels();

//重新封装像素
for(inty=0;y<_imgHeight;y++)...{
for(intx=0;x<_imgWidth;x++)...{
intn=y*_imgWidth+x;
_fractions[n]=newFraction();
doubleangle=_rand.nextInt(360);
doublespeed=10.0/_rand.nextInt(30);
_fractions[n].x=x+90;
_fractions[n].y=y+20;
_fractions[n].vx=Math.cos(angle*Math.PI/180)*speed;
_fractions[n].vy=Math.sin(angle*Math.PI/180)*speed;
_fractions[n].color=pixel[n];
_fractions[n].countToCrush=x/6+_rand.nextInt(10);
}
}
}

publicvoidupdate(Graphicsg)...{
paint(g);
}

publicvoidpaint(Graphicsg)...{
//变更背景色
_back.setColor(Color.WHITE);
//清空背景
_back.fillRect(0,0,_WIDTH,_HEIGHT);

for(intn=0;n<_imgWidth*_imgHeight;n++)...{
intx=(int)_fractions[n].x;
inty=(int)_fractions[n].y;
LColorcolor=LColor.getLColor(_fractions[n].color);
//纯黑色区域不读取
if(!LColor.equals(color,LColor.fromArgb(0,0,0)))...{
//获得rgb三色
intred=color.R;
intgreen=color.G;
intblue=color.B;
_back.setColor(newColor(red,green,blue));
//绘制
_back.drawLine(x,y,x,y);
}
}
g.drawImage(_screen,0,0,this);
}

publicvoidactionPerformed(ActionEvente)...{
if(e.getSource()==_meganteButton)...{
execute();
_meganteButton.setEnabled(false);
_revivalButton.setEnabled(true);
}elseif(e.getSource()==_revivalButton)...{
init(_img);
repaint();
_meganteButton.setEnabled(true);
_revivalButton.setEnabled(false);
}
}



/***//**
*加载图像
*@paramfilename
*/
privatevoidloadImage(Stringfilename)...{
Bitmapbitmap=newBitmap(("./image/"+filename).intern());
//替换透明区域颜色(象素化后，转为rgb形式的透明区域色值将显示为r=0,g=0,b=0),可以直接用pixel识别透明区域,也可以替换或跳过该区域)
_img=bitmap.getImage();
_imgWidth=_img.getWidth(this);
_imgHeight=_img.getHeight(this);
}



/***//**
*执行操作
*
*/
privatevoidexecute()...{
_timer=newThread(this);
_timer.start();
_isRun=true;
}

classFraction...{
//图片在窗体中x
publicdoublex;
//图片在窗体中y
publicdoubley;
//显示图x
publicdoublevx;
//显示图y
publicdoublevy;
//color
publicintcolor;
//变形颗粒数量
publicintcountToCrush;
}

publicvoidrun()...{
while(_isRun)...{
for(intn=0;n<_imgWidth*_imgHeight;n++)...{
if(_fractions[n].countToCrush<=0)...{
_fractions[n].x+=_fractions[n].vx;
_fractions[n].y+=_fractions[n].vy;
_fractions[n].vy+=0.1;
}else...{
_fractions[n].countToCrush--;
}

}
//间隔
try...{
Thread.sleep(60);
}catch(InterruptedExceptione)...{
e.printStackTrace();
}
repaint();
}
}


publicstaticvoidmain(String[]args)...{
java.awt.EventQueue.invokeLater(newRunnable()...{
publicvoidrun()...{
Framefrm=newFrame("java实现图片风化效果");
frm.add(newAirslakeImage());
frm.setResizable(false);
frm.setSize(_WIDTH,_HEIGHT);
frm.addWindowListener(newWindowAdapter()...{
publicvoidwindowClosing(WindowEvente)...{
System.exit(0);
}
});
frm.setLocationRelativeTo(null);
frm.setVisible(true);
}
});
}
}