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Sand Button forked from: Sand Button [diff(2)]

  1. // forked from nondelion's Sand Button
  2. package {
  3.     import flash.display.Sprite;
  4.     import flash.utils.setTimeout;
  6.     [SWF(width=465, height=465, backgroundColor=0x00AEEF, frameRate=60)]
  7.     
  8.     public class Main extends Sprite
  9.     {
  10.         private static const TEXTCOLOR:uint = 0xffffff;
  11.         private static const BGCOLOR:uint = 0x00AEEF;
  12.         private static const LABEL_ARRAY:Array = ["","ABOUT","WORKS","CONTACT"];
  13.         
  14.         public function Main()
  15.         {
  16.             init();
  17.         }
  18.         
  19.         private function init():void
  20.         {
  21.             for(var i:int=0; i<4; i++) {
  22.                 var btn:SandButton = new SandButton(LABEL_ARRAY[i],48,TEXTCOLOR,BGCOLOR,false);
  23.                 btn.y = 40*i + 160;
  24.                 btn.x = 120;
  25.                 addChild(btn);
  26.                 setTimeout(btn.appearMotion, 40*(i+1));
  27.             }
  28.         }
  29.     }
  30. }
  32.         import flash.display.Sprite;
  33.     import flash.display.BitmapData;
  34.     import flash.display.Bitmap;
  35.     import flash.events.Event;
  36.     import flash.events.MouseEvent;
  37.     import flash.text.TextField;
  38.     import flash.text.TextFieldAutoSize;
  39.     import flash.text.TextFormat;
  40.     import flash.geom.Rectangle;
  41.     import flash.geom.Point;
  42.     import flash.filters.BlurFilter;
  43.     
  44.     class SandButton extends Sprite
  45.     {
  46.         private static const APPEAR_RANGE:Number = 100;
  47.         private static const TAIL_LENGTH:Number = 30;
  48.         private static const DISTANCE:Number = 500;
  49.         private var bd:BitmapData;
  50.         private var canvas:BitmapData;
  51.         private var particles:Particle;
  52.         private var pnum:uint = 0;
  53.         private var _setup:Boolean;
  54.         
  55.         public function SandButton(buttonLabel:String, size:Number, textColor:uint, bgColor:uint, setup:Boolean)
  56.         {
  57.             _setup = setup;
  58.             
  59.             var tf:TextField = new TextField();
  60.             tf.defaultTextFormat = new TextFormat('Helvetica', size, textColor, true);
  61.             tf.autoSize = TextFieldAutoSize.LEFT;
  62.             tf.text = buttonLabel;
  63.             
  64.             bd = new BitmapData(tf.width+TAIL_LENGTH, tf.height, true, bgColor+(0xff<<24));
  65.             bd.lock();
  66.             bd.fillRect(new Rectangle(tf.width,0,TAIL_LENGTH,tf.height),0x0);
  67.             bd.draw(tf);
  68.             
  69.             var prev:Particle = particles = new Particle();
  70.             var p:Particle;
  71.             
  72.             for (var i:int=0; i < tf.width; i++) {
  73.                 for (var j:int=0; j < tf.height; j++) {
  74.                     var color:uint = bd.getPixel(i, j);
  75.                     if ( color != bgColor ) {
  76.                         p = new Particle();
  77.                         p.x = i;
  78.                         p.y = j;
  79.                         p.sx = (Math.random()+1)*(i+1)*200 + DISTANCE;
  80.                         p.sy = p.y;
  81.                         p.cx = p.sx;
  82.                         p.cy = p.sy;
  83.                         p.vx = 2 + Math.random()*i/200;
  84.                         p.vy = 2;
  85.                         p.color = color;
  86.                         prev.next = p;
  87.                         prev = p;
  88.                         pnum++;
  89.                     } else {
  90.                         bd.setPixel32(i, j, 0x0);
  91.                     }
  92.                 }
  93.             }
  94.             bd.unlock();
  95.             
  96.             if( _setup ) {
  97.                 addChild( new Bitmap( bd ) );
  98.                 initEvent();
  99.             }
  100.         }
  101.         
  102.         private function initEvent():void
  103.         {
  104.             var over:Sprite = new Sprite();
  105.             over.graphics.beginFill(0x0, 0);
  106.             over.graphics.drawRect(0,0,bd.width,bd.height);
  107.             over.graphics.endFill();
  108.             addChild( over );
  109.             
  110.             over.addEventListener( MouseEvent.MOUSE_OVER, clickHandler );
  111.         }
  112.         
  113.         public function appearMotion():void
  114.         {
  115.             if( !_setup ) {
  116.                 bd.fillRect(bd.rect,0x0);
  117.                 addChild( new Bitmap( bd ) );
  118.                 initEvent();
  119.             }
  120.             motion();
  121.         }
  122.         
  123.         private function clickHandler(e:Event):void
  124.         {
  125.             motion();
  126.         }
  127.         
  128.         private function motion():void
  129.         {
  130.             var p:Particle = particles;
  131.             while((p = p.next) != null) {
  132.                 p.cx = p.sx;
  133.                 p.cy = p.sy;
  134.             }
  135.             if( !hasEventListener( Event.ENTER_FRAME ) ) {
  136.                 addEventListener( Event.ENTER_FRAME, update );
  137.             }
  138.         }
  139.         
  140.         private function update(e:Event):void
  141.         {
  142.             var num:int = 0;
  143.             var p:Particle = particles;
  144.             bd.lock();
  145.             bd.fillRect(bd.rect, 0x0);
  146.             
  147.             while((p = p.next) != null) {
  148.              var r:Number = Math.sqrt((p.x-p.cx)*(p.x-p.cx) + (p.y-p.cy)*(p.y-p.cy));
  149.                 p.cx += (p.x - p.cx )/p.vx;
  150.                 p.cy += (p.y - p.cy )/p.vy;
  151.                 if ( Math.abs( p.cx - p.x ) <= 1 && Math.abs( p.cy - p.y) <= 1) {
  152.                     p.cx = p.x;
  153.                     p.cy = p.y;
  154.                     num++;
  155.                 }
  156.                 var a:uint = r < APPEAR_RANGE ? (1-r/APPEAR_RANGE)*255 : 0;
  157.                 var c:uint = p.color + (a << 24);
  158.                 bd.setPixel32(p.cx, p.cy, c);
  159.             }
  160.             bd.unlock();
  161.             if(pnum == num) {
  162.                 e.target.removeEventListener(Event.ENTER_FRAME,arguments.callee);
  163.             }
  164.         }    
  165.     }
  167. class Particle 
  168. {
  169.     public var color:int;
  170.     public var x:Number;
  171.     public var y:Number;
  172.     public var cx:Number;
  173.     public var cy:Number;
  174.     public var sx:Number;
  175.     public var sy:Number;
  176.     public var vx:Number;
  177.     public var vy:Number;
  178.     public var next:Particle;
  179.     
  180.     public function Particle()
  181.     {
  182.         
  183.     }
  184. }
noswf

Sand Button forked from: Sand Button [diff(1)]

  1. // forked from nondelion's Sand Button
  2. package {
  3.     import flash.display.Sprite;
  4.     import flash.utils.setTimeout;
  6.     [SWF(width=465, height=465, backgroundColor=0x00AEEF, frameRate=60)]
  7.     
  8.     public class Main extends Sprite
  9.     {
  10.         private static const TEXTCOLOR:uint = 0xffffff;
  11.         private static const BGCOLOR:uint = 0x00AEEF;
  12.         private static const LABEL_ARRAY:Array = ["HOME","ABOUT","WORKS","CONTACT"];
  13.         
  14.         public function Main()
  15.         {
  16.             init();
  17.         }
  18.         
  19.         private function init():void
  20.         {
  21.             for(var i:int=0; i<4; i++) {
  22.                 var btn:SandButton = new SandButton(LABEL_ARRAY[i],48,TEXTCOLOR,BGCOLOR,false);
  23.                 btn.y = 40*i + 160;
  24.                 btn.x = 120;
  25.                 addChild(btn);
  26.                 setTimeout(btn.appearMotion, 40*(i+1));
  27.             }
  28.         }
  29.     }
  30. }
  32.         import flash.display.Sprite;
  33.     import flash.display.BitmapData;
  34.     import flash.display.Bitmap;
  35.     import flash.events.Event;
  36.     import flash.events.MouseEvent;
  37.     import flash.text.TextField;
  38.     import flash.text.TextFieldAutoSize;
  39.     import flash.text.TextFormat;
  40.     import flash.geom.Rectangle;
  41.     import flash.geom.Point;
  42.     import flash.filters.BlurFilter;
  43.     
  44.     class SandButton extends Sprite
  45.     {
  46.         private static const APPEAR_RANGE:Number = 100;
  47.         private static const TAIL_LENGTH:Number = 30;
  48.         private static const DISTANCE:Number = 500;
  49.         private var bd:BitmapData;
  50.         private var canvas:BitmapData;
  51.         private var particles:Particle;
  52.         private var pnum:uint = 0;
  53.         private var _setup:Boolean;
  54.         
  55.         public function SandButton(buttonLabel:String, size:Number, textColor:uint, bgColor:uint, setup:Boolean)
  56.         {
  57.             _setup = setup;
  58.             
  59.             var tf:TextField = new TextField();
  60.             tf.defaultTextFormat = new TextFormat('Helvetica', size, textColor, true);
  61.             tf.autoSize = TextFieldAutoSize.LEFT;
  62.             tf.text = buttonLabel;
  63.             
  64.             bd = new BitmapData(tf.width+TAIL_LENGTH, tf.height, true, bgColor+(0xff<<24));
  65.             bd.lock();
  66.             bd.fillRect(new Rectangle(tf.width,0,TAIL_LENGTH,tf.height),0x0);
  67.             bd.draw(tf);
  68.             
  69.             var prev:Particle = particles = new Particle();
  70.             var p:Particle;
  71.             
  72.             for (var i:int=0; i < tf.width; i++) {
  73.                 for (var j:int=0; j < tf.height; j++) {
  74.                     var color:uint = bd.getPixel(i, j);
  75.                     if ( color != bgColor ) {
  76.                         p = new Particle();
  77.                         p.x = i;
  78.                         p.y = j;
  79.                         p.sx = (Math.random()+1)*(i+1)*200 + DISTANCE;
  80.                         p.sy = p.y;
  81.                         p.cx = p.sx;
  82.                         p.cy = p.sy;
  83.                         p.vx = 2 + Math.random()*i/200;
  84.                         p.vy = 2;
  85.                         p.color = color;
  86.                         prev.next = p;
  87.                         prev = p;
  88.                         pnum++;
  89.                     } else {
  90.                         bd.setPixel32(i, j, 0x0);
  91.                     }
  92.                 }
  93.             }
  94.             bd.unlock();
  95.             
  96.             if( _setup ) {
  97.                 addChild( new Bitmap( bd ) );
  98.                 initEvent();
  99.             }
  100.         }
  101.         
  102.         private function initEvent():void
  103.         {
  104.             var over:Sprite = new Sprite();
  105.             over.graphics.beginFill(0x0, 0);
  106.             over.graphics.drawRect(0,0,bd.width,bd.height);
  107.             over.graphics.endFill();
  108.             addChild( over );
  109.             
  110.             over.addEventListener( MouseEvent.MOUSE_OVER, clickHandler );
  111.         }
  112.         
  113.         public function appearMotion():void
  114.         {
  115.             if( !_setup ) {
  116.                 bd.fillRect(bd.rect,0x0);
  117.                 addChild( new Bitmap( bd ) );
  118.                 initEvent();
  119.             }
  120.             motion();
  121.         }
  122.         
  123.         private function clickHandler(e:Event):void
  124.         {
  125.             motion();
  126.         }
  127.         
  128.         private function motion():void
  129.         {
  130.             var p:Particle = particles;
  131.             while((p = p.next) != null) {
  132.                 p.cx = p.sx;
  133.                 p.cy = p.sy;
  134.             }
  135.             if( !hasEventListener( Event.ENTER_FRAME ) ) {
  136.                 addEventListener( Event.ENTER_FRAME, update );
  137.             }
  138.         }
  139.         
  140.         private function update(e:Event):void
  141.         {
  142.             var num:int = 0;
  143.             var p:Particle = particles;
  144.             bd.lock();
  145.             bd.fillRect(bd.rect, 0x0);
  146.             
  147.             while((p = p.next) != null) {
  148.              var r:Number = Math.sqrt((p.x-p.cx)*(p.x-p.cx) + (p.y-p.cy)*(p.y-p.cy));
  149.                 p.cx += (p.x - p.cx )/p.vx;
  150.                 p.cy += (p.y - p.cy )/p.vy;
  151.                 if ( Math.abs( p.cx - p.x ) <= 1 && Math.abs( p.cy - p.y) <= 1) {
  152.                     p.cx = p.x;
  153.                     p.cy = p.y;
  154.                     num++;
  155.                 }
  156.                 var a:uint = r < APPEAR_RANGE ? (1-r/APPEAR_RANGE)*255 : 0;
  157.                 var c:uint = p.color + (a << 24);
  158.                 bd.setPixel32(p.cx, p.cy, c);
  159.             }
  160.             bd.unlock();
  161.             if(pnum == num) {
  162.                 e.target.removeEventListener(Event.ENTER_FRAME,arguments.callee);
  163.             }
  164.         }    
  165.     }
  167. class Particle 
  168. {
  169.     public var color:int;
  170.     public var x:Number;
  171.     public var y:Number;
  172.     public var cx:Number;
  173.     public var cy:Number;
  174.     public var sx:Number;
  175.     public var sy:Number;
  176.     public var vx:Number;
  177.     public var vy:Number;
  178.     public var next:Particle;
  179.     
  180.     public function Particle()
  181.     {
  182.         
  183.     }
  184. }
noswf

Sand Button forked from: Sand Button [diff(5)]

  1. // forked from nondelion's Sand Button
  2. package {
  3.     import flash.display.Sprite;
  4.     import flash.utils.setTimeout;
  6.     [SWF(width=465, height=465, backgroundColor=0x00AEEF, frameRate=60)]
  7.     
  8.     public class Main extends Sprite
  9.     {
  10.         private static const TEXTCOLOR:uint = 0xff0111;
  11.         private static const BGCOLOR:uint = 0x00AfEF;
  12.         private static const LABEL_ARRAY:Array = ["שוריקאן","מתכות כבדות","עזרה וביצרון","CONTACT"];
  13.         
  14.         public function Main()
  15.         {
  16.             init();
  17.         }
  18.         
  19.         private function init():void
  20.         {
  21.             for(var i:int=0; i<4; i++) {
  22.                 var btn:SandButton = new SandButton(LABEL_ARRAY[i],48,TEXTCOLOR,BGCOLOR,false);
  23.                 btn.y = 40*i + 160;
  24.                 btn.x = 120;
  25.                 addChild(btn);
  26.                 setTimeout(btn.appearMotion, 40*(i+1));
  27.             }
  28.         }
  29.     }
  30. }
  32.         import flash.display.Sprite;
  33.     import flash.display.BitmapData;
  34.     import flash.display.Bitmap;
  35.     import flash.events.Event;
  36.     import flash.events.MouseEvent;
  37.     import flash.text.TextField;
  38.     import flash.text.TextFieldAutoSize;
  39.     import flash.text.TextFormat;
  40.     import flash.geom.Rectangle;
  41.     import flash.geom.Point;
  42.     import flash.filters.BlurFilter;
  43.     
  44.     class SandButton extends Sprite
  45.     {
  46.         private static const APPEAR_RANGE:Number = 100;
  47.         private static const TAIL_LENGTH:Number = 30;
  48.         private static const DISTANCE:Number = 500;
  49.         private var bd:BitmapData;
  50.         private var canvas:BitmapData;
  51.         private var particles:Particle;
  52.         private var pnum:uint = 0;
  53.         private var _setup:Boolean;
  54.         
  55.         public function SandButton(buttonLabel:String, size:Number, textColor:uint, bgColor:uint, setup:Boolean)
  56.         {
  57.             _setup = setup;
  58.             
  59.             var tf:TextField = new TextField();
  60.             tf.defaultTextFormat = new TextFormat('Helvetica', size, textColor, true);
  61.             tf.autoSize = TextFieldAutoSize.LEFT;
  62.             tf.text = buttonLabel;
  63.             
  64.             bd = new BitmapData(tf.width+TAIL_LENGTH, tf.height, true, bgColor+(0xff<<24));
  65.             bd.lock();
  66.             bd.fillRect(new Rectangle(tf.width,0,TAIL_LENGTH,tf.height),0x0);
  67.             bd.draw(tf);
  68.             
  69.             var prev:Particle = particles = new Particle();
  70.             var p:Particle;
  71.             
  72.             for (var i:int=0; i < tf.width; i++) {
  73.                 for (var j:int=0; j < tf.height; j++) {
  74.                     var color:uint = bd.getPixel(i, j);
  75.                     if ( color != bgColor ) {
  76.                         p = new Particle();
  77.                         p.x = i;
  78.                         p.y = j;
  79.                         p.sx = (Math.random()+10)*(i+1)*200 + DISTANCE;
  80.                         p.sy = p.y;
  81.                         p.cx = p.sx;
  82.                         p.cy = p.sy;
  83.                         p.vx = 2 + Math.random()*i/200;
  84.                         p.vy = 2;
  85.                         p.color = color;
  86.                         prev.next = p;
  87.                         prev = p;
  88.                         pnum++;
  89.                     } else {
  90.                         bd.setPixel32(i, j, 0x0);
  91.                     }
  92.                 }
  93.             }
  94.             bd.unlock();
  95.             
  96.             if( _setup ) {
  97.                 addChild( new Bitmap( bd ) );
  98.                 initEvent();
  99.             }
  100.         }
  101.         
  102.         private function initEvent():void
  103.         {
  104.             var over:Sprite = new Sprite();
  105.             over.graphics.beginFill(0x0, 0);
  106.             over.graphics.drawRect(0,0,bd.width,bd.height);
  107.             over.graphics.endFill();
  108.             addChild( over );
  109.             
  110.             over.addEventListener( MouseEvent.MOUSE_OVER, clickHandler );
  111.         }
  112.         
  113.         public function appearMotion():void
  114.         {
  115.             if( !_setup ) {
  116.                 bd.fillRect(bd.rect,0x0);
  117.                 addChild( new Bitmap( bd ) );
  118.                 initEvent();
  119.             }
  120.             motion();
  121.         }
  122.         
  123.         private function clickHandler(e:Event):void
  124.         {
  125.             motion();
  126.         }
  127.         
  128.         private function motion():void
  129.         {
  130.             var p:Particle = particles;
  131.             while((p = p.next) != null) {
  132.                 p.cx = p.sx;
  133.                 p.cy = p.sy;
  134.             }
  135.             if( !hasEventListener( Event.ENTER_FRAME ) ) {
  136.                 addEventListener( Event.ENTER_FRAME, update );
  137.             }
  138.         }
  139.         
  140.         private function update(e:Event):void
  141.         {
  142.             var num:int = 0;
  143.             var p:Particle = particles;
  144.             bd.lock();
  145.             bd.fillRect(bd.rect, 0x0);
  146.             
  147.             while((p = p.next) != null) {
  148.              var r:Number = Math.sqrt((p.x-p.cx)*(p.x-p.cx) + (p.y-p.cy)*(p.y-p.cy));
  149.                 p.cx += (p.x - p.cx )/p.vx;
  150.                 p.cy += (p.y - p.cy )/p.vy;
  151.                 if ( Math.abs( p.cx - p.x ) <= 1 && Math.abs( p.cy - p.y) <= 1) {
  152.                     p.cx = p.x;
  153.                     p.cy = p.y;
  154.                     num++;
  155.                 }
  156.                 var a:uint = r < APPEAR_RANGE ? (1-r/APPEAR_RANGE)*255 : 0;
  157.                 var c:uint = p.color + (a << 24);
  158.                 bd.setPixel32(p.cx, p.cy, c);
  159.             }
  160.             bd.unlock();
  161.             if(pnum == num) {
  162.                 e.target.removeEventListener(Event.ENTER_FRAME,arguments.callee);
  163.             }
  164.         }    
  165.     }
  167. class Particle 
  168. {
  169.     public var color:int;
  170.     public var x:Number;
  171.     public var y:Number;
  172.     public var cx:Number;
  173.     public var cy:Number;
  174.     public var sx:Number;
  175.     public var sy:Number;
  176.     public var vx:Number;
  177.     public var vy:Number;
  178.     public var next:Particle;
  179.     
  180.     public function Particle()
  181.     {
  182.         
  183.     }
  184. }
noswf

Sand Button forked from: Sand Button [diff(1)]

  1. // forked from nondelion's Sand Button
  2. package {
  3.     import flash.display.Sprite;
  4.     import flash.utils.setTimeout;
  6.     [SWF(width=465, height=465, backgroundColor=0x00AEEF, frameRate=60)]
  7.     
  8.     public class Main extends Sprite
  9.     {
  10.         private static const TEXTCOLOR:uint = 0xffffff;
  11.         private static const BGCOLOR:uint = 0x00AEEF;
  12.         private static const LABEL_ARRAY:Array = ["HOME","ABOUT","WORKS","CONTACT"];
  13.         
  14.         public function Main()
  15.         {
  16.             init();
  17.         }
  18.         
  19.         private function init():void
  20.         {
  21.             for(var i:int=0; i<4; i++) {
  22.                 var btn:SandButton = new SandButton(LABEL_ARRAY[i],48,TEXTCOLOR,BGCOLOR,false);
  23.                 btn.y = 40*i + 160;
  24.                 btn.x = 120;
  25.                 addChild(btn);
  26.                 setTimeout(btn.appearMotion, 40*(i+1));
  27.             }
  28.         }
  29.     }
  30. }
  32.         import flash.display.Sprite;
  33.     import flash.display.BitmapData;
  34.     import flash.display.Bitmap;
  35.     import flash.events.Event;
  36.     import flash.events.MouseEvent;
  37.     import flash.text.TextField;
  38.     import flash.text.TextFieldAutoSize;
  39.     import flash.text.TextFormat;
  40.     import flash.geom.Rectangle;
  41.     import flash.geom.Point;
  42.     import flash.filters.BlurFilter;
  43.     
  44.     class SandButton extends Sprite
  45.     {
  46.         private static const APPEAR_RANGE:Number = 100;
  47.         private static const TAIL_LENGTH:Number = 30;
  48.         private static const DISTANCE:Number = 500;
  49.         private var bd:BitmapData;
  50.         private var canvas:BitmapData;
  51.         private var particles:Particle;
  52.         private var pnum:uint = 0;
  53.         private var _setup:Boolean;
  54.         
  55.         public function SandButton(buttonLabel:String, size:Number, textColor:uint, bgColor:uint, setup:Boolean)
  56.         {
  57.             _setup = setup;
  58.             
  59.             var tf:TextField = new TextField();
  60.             tf.defaultTextFormat = new TextFormat('Helvetica', size, textColor, true);
  61.             tf.autoSize = TextFieldAutoSize.LEFT;
  62.             tf.text = buttonLabel;
  63.             
  64.             bd = new BitmapData(tf.width+TAIL_LENGTH, tf.height, true, bgColor+(0xff<<24));
  65.             bd.lock();
  66.             bd.fillRect(new Rectangle(tf.width,0,TAIL_LENGTH,tf.height),0x0);
  67.             bd.draw(tf);
  68.             
  69.             var prev:Particle = particles = new Particle();
  70.             var p:Particle;
  71.             
  72.             for (var i:int=0; i < tf.width; i++) {
  73.                 for (var j:int=0; j < tf.height; j++) {
  74.                     var color:uint = bd.getPixel(i, j);
  75.                     if ( color != bgColor ) {
  76.                         p = new Particle();
  77.                         p.x = i;
  78.                         p.y = j;
  79.                         p.sx = (Math.random()+1)*(i+1)*200 + DISTANCE;
  80.                         p.sy = p.y;
  81.                         p.cx = p.sx;
  82.                         p.cy = p.sy;
  83.                         p.vx = 2 + Math.random()*i/200;
  84.                         p.vy = 2;
  85.                         p.color = color;
  86.                         prev.next = p;
  87.                         prev = p;
  88.                         pnum++;
  89.                     } else {
  90.                         bd.setPixel32(i, j, 0x0);
  91.                     }
  92.                 }
  93.             }
  94.             bd.unlock();
  95.             
  96.             if( _setup ) {
  97.                 addChild( new Bitmap( bd ) );
  98.                 initEvent();
  99.             }
  100.         }
  101.         
  102.         private function initEvent():void
  103.         {
  104.             var over:Sprite = new Sprite();
  105.             over.graphics.beginFill(0x0, 0);
  106.             over.graphics.drawRect(0,0,bd.width,bd.height);
  107.             over.graphics.endFill();
  108.             addChild( over );
  109.             
  110.             over.addEventListener( MouseEvent.MOUSE_OVER, clickHandler );
  111.         }
  112.         
  113.         public function appearMotion():void
  114.         {
  115.             if( !_setup ) {
  116.                 bd.fillRect(bd.rect,0x0);
  117.                 addChild( new Bitmap( bd ) );
  118.                 initEvent();
  119.             }
  120.             motion();
  121.         }
  122.         
  123.         private function clickHandler(e:Event):void
  124.         {
  125.             motion();
  126.         }
  127.         
  128.         private function motion():void
  129.         {
  130.             var p:Particle = particles;
  131.             while((p = p.next) != null) {
  132.                 p.cx = p.sx;
  133.                 p.cy = p.sy;
  134.             }
  135.             if( !hasEventListener( Event.ENTER_FRAME ) ) {
  136.                 addEventListener( Event.ENTER_FRAME, update );
  137.             }
  138.         }
  139.         
  140.         private function update(e:Event):void
  141.         {
  142.             var num:int = 0;
  143.             var p:Particle = particles;
  144.             bd.lock();
  145.             bd.fillRect(bd.rect, 0x0);
  146.             
  147.             while((p = p.next) != null) {
  148.              var r:Number = Math.sqrt((p.x-p.cx)*(p.x-p.cx) + (p.y-p.cy)*(p.y-p.cy));
  149.                 p.cx += (p.x - p.cx )/p.vx;
  150.                 p.cy += (p.y - p.cy )/p.vy;
  151.                 if ( Math.abs( p.cx - p.x ) <= 1 && Math.abs( p.cy - p.y) <= 1) {
  152.                     p.cx = p.x;
  153.                     p.cy = p.y;
  154.                     num++;
  155.                 }
  156.                 var a:uint = r < APPEAR_RANGE ? (1-r/APPEAR_RANGE)*255 : 0;
  157.                 var c:uint = p.color + (a << 24);
  158.                 bd.setPixel32(p.cx, p.cy, c);
  159.             }
  160.             bd.unlock();
  161.             if(pnum == num) {
  162.                 e.target.removeEventListener(Event.ENTER_FRAME,arguments.callee);
  163.             }
  164.         }    
  165.     }
  167. class Particle 
  168. {
  169.     public var color:int;
  170.     public var x:Number;
  171.     public var y:Number;
  172.     public var cx:Number;
  173.     public var cy:Number;
  174.     public var sx:Number;
  175.     public var sy:Number;
  176.     public var vx:Number;
  177.     public var vy:Number;
  178.     public var next:Particle;
  179.     
  180.     public function Particle()
  181.     {
  182.         
  183.     }
  184. }
noswf
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