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forked from : Saqoosha's Snow [diff(131)]

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forked from: Snow forked from: Snow [diff(22)]

  1. // forked from nondelion's forked from: Snow
  2. // forked from Saqoosha's Snow
  3. package {
  4.     
  5.         /*
  6.          * 少し変えてみた
  7.          */
  8.     
  9.     import flash.display.Bitmap;
  10.     import flash.display.BitmapData;
  11.     import flash.display.Sprite;
  12.     import flash.geom.Point;
  13.     import flash.events.Event;
  14.     import flash.events.MouseEvent;
  15.     import flash.text.TextField;
  16.     import flash.text.TextFormat;
  17.     import flash.text.TextFieldAutoSize;
  18.     import flash.utils.Dictionary;
  19.     import net.hires.debug.Stats;
  21.     [SWF(width=465, height=465, backgroundColor=0x0, frameRate=90)]
  23.     public class TextTransition extends Sprite
  24.     {
  25.         private var bd:BitmapData;
  26.         private var canvas:BitmapData;
  27.         private var particles:Dictionary;
  28.         private var bdp:Point;
  30.                 protected const RANGE:Number = 10000;
  31.         protected const APPEAR_RAPGE:Number = 50;
  32.         
  33.         public function TextTransition()
  34.         {
  35.             canvas = new BitmapData(465, 465, true, 0xff000000);
  36.             addChild( new Bitmap( canvas ) );
  37.             
  38.             var tf:TextField = new TextField();
  39.             tf.defaultTextFormat = new TextFormat('Helvetica', 48, 0xffd400, true);
  40.             tf.autoSize = TextFieldAutoSize.LEFT;
  41.             tf.text = 'Wonderfl!!';
  42.             
  43.             bd = new BitmapData(tf.width, tf.height, false, 0x0);
  44.             bd.draw(tf);
  45.             bdp = new Point( Math.floor( (465 - tf.width) / 2 ), Math.floor( (465 - tf.height) / 2 ) );
  46.             
  47.             particles = new Dictionary();
  48.             
  49.             for (var i:int=0; i < tf.width; i++) {
  50.                 for (var j:int=0; j < tf.height; j++) {
  51.                     var color:uint = bd.getPixel(i, j);
  52.                     if ( color != 0x0 ) {
  53.                         var p:Particle = new Particle();
  54.                         p.x = i + bdp.x;
  55.                         p.y = j + bdp.y;
  56.                         p.cx = Math.random() * RANGE - RANGE/2;
  57.                         p.cy = Math.random() * RANGE - RANGE/2;
  58.                         p.vx = 6;
  59.                         p.vy = 6;
  60.                         p.color = color;
  61.                         particles[p] = true;
  62.                     }
  63.                 }
  64.             }
  66.             //this.addChild(new Stats());
  67.             
  68.             addEventListener( Event.ENTER_FRAME, update );
  69.             stage.addEventListener( MouseEvent.CLICK, clickHandler );
  70.         }
  71.         
  72.         private function clickHandler(e:MouseEvent):void
  73.         {
  74.             canvas.lock();
  75.             canvas.fillRect(canvas.rect, 0x0);
  76.             for (var key:* in particles) {
  77.                 var p:Particle = Particle(key);
  78.                 p.cx = Math.random() * RANGE - RANGE/2;
  79.                 p.cy = Math.random() * RANGE - RANGE/2;
  80.                 canvas.setPixel(p.cx, p.cy, p.color);
  81.             }
  82.             canvas.unlock();
  83.         }
  84.         
  85.         private function update(e:Event):void
  86.         {
  87.             canvas.lock();
  88.             canvas.fillRect(canvas.rect, 0x0);
  89.             
  90.             for (var key:* in particles) {
  91.                 var p:Particle = Particle(key);
  92.                                 var r = Math.sqrt((p.x-p.cx)*(p.x-p.cx) + (p.y-p.cy)*(p.y-p.cy));
  93.                 p.cx += (p.x - p.cx )/p.vx;
  94.                 p.cy += (p.y - p.cy )/p.vy;
  95.                 if ( Math.abs( p.cx - p.x ) <= 1 && Math.abs( p.cy - p.y) <= 1) {
  96.                     p.cx = p.x;
  97.                     p.cy = p.y;
  98.                 }
  99.                                 var a:uint = r < APPEAR_RAPGE ? (1-r/APPEAR_RAPGE)*255 : 0;
  100.                 var c:uint = p.color + (a << 24);
  101.                 canvas.setPixel32(p.cx, p.cy, c);
  102.             }
  103.             canvas.unlock();
  104.         }    
  105.     }
  106. }
  108.         class Particle
  109.     {
  110.         public var color:int;
  111.         public var x:Number;
  112.         public var y:Number;
  113.         public var cx:Number;
  114.         public var cy:Number;
  115.         public var vx:Number;
  116.         public var vy:Number;
  117.         
  118.         public function Particle()
  119.         {
  120.             color = 0xffffff;
  121.             x = 0;
  122.             y = 0;
  123.             cx = 0;
  124.             cy = 0;
  125.             vx = 0;
  126.             vy = 0;
  127.         }
  128.     }
noswf

forked from: Snow forked from: forked from: Snow [diff(1)]

  1. // forked from nondelion's forked from: Snow
  2. // forked from Saqoosha's Snow
  3. package {
  4.     
  5.         /*
  6.          * 練習
  7.          */
  8.     
  9.     import flash.display.Bitmap;
  10.     import flash.display.BitmapData;
  11.     import flash.display.Sprite;
  12.     import flash.geom.Point;
  13.     import flash.events.Event;
  14.     import flash.events.MouseEvent;
  15.     import flash.text.TextField;
  16.     import flash.text.TextFormat;
  17.     import flash.text.TextFieldAutoSize;
  18.     import flash.utils.Dictionary;
  20.     [SWF(width=465, height=465, backgroundColor=0x0, frameRate=120)]
  22.     public class TextTransition extends Sprite
  23.     {
  24.         private var bd:BitmapData;
  25.         private var canvas:BitmapData;
  26.         private var particles:Dictionary;
  27.         private var bdp:Point;
  28.         
  29.         public function TextTransition()
  30.         {
  31.             canvas = new BitmapData(465, 465, false, 0x0);
  32.             addChild( new Bitmap( canvas ) );
  33.             
  34.             var tf:TextField = new TextField();
  35.             tf.defaultTextFormat = new TextFormat('Helvetica', 48, 0xffffff, true);
  36.             tf.autoSize = TextFieldAutoSize.LEFT;
  37.             tf.text = 'Wonderfl!!';
  38.             
  39.             bd = new BitmapData(tf.width, tf.height, false, 0x0);
  40.             bd.draw(tf);
  41.             bdp = new Point( Math.floor( (465 - tf.width) / 2 ), Math.floor( (465 - tf.height) / 2 ) );
  42.             
  43.             particles = new Dictionary();
  44.             
  45.             for (var i:int=0; i < tf.width; i++) {
  46.                 for (var j:int=0; j < tf.height; j++) {
  47.                     var color:uint = bd.getPixel(i, j);
  48.                     if ( color != 0x0 ) {
  49.                         var p:Particle = new Particle();
  50.                         p.x = i + bdp.x;
  51.                         p.y = j + bdp.y;
  52.                         p.cx = Math.random() * 465;
  53.                         p.cy = Math.random() * 465;
  54.                         p.vx = 16;
  55.                         p.vy = 20;
  56.                         p.color = color;
  57.                         particles[p] = true;
  58.                     }
  59.                 }
  60.             }
  61.             
  62.             addEventListener( Event.ENTER_FRAME, update );
  63.             stage.addEventListener( MouseEvent.CLICK, clickHandler );
  64.         }
  65.         
  66.         private function clickHandler(e:MouseEvent):void
  67.         {
  68.             canvas.lock();
  69.             canvas.fillRect(canvas.rect, 0x0);
  70.             for (var key:* in particles) {
  71.                 var p:Particle = Particle(key);
  72.                 p.cx = Math.random() * 465;
  73.                 p.cy = Math.random() * 465;
  74.                 canvas.setPixel(p.cx, p.cy, p.color);
  75.             }
  76.             canvas.unlock();
  77.         }
  78.         
  79.         private function update(e:Event):void
  80.         {
  81.             canvas.lock();
  82.             canvas.fillRect(canvas.rect, 0x0);
  83.             
  84.             for (var key:* in particles) {
  85.                 var p:Particle = Particle(key);
  86.                 p.cx += (p.x - p.cx )/p.vx;
  87.                 p.cy += (p.y - p.cy )/p.vy;
  88.                 if ( Math.abs( p.cx - p.x ) <= 1 && Math.abs( p.cy - p.y) <= 1) {
  89.                     p.cx = p.x;
  90.                     p.cy = p.y;
  91.                     //delete particles[p];
  92.                 }
  93.                 canvas.setPixel(p.cx, p.cy, p.color);
  94.             }
  95.             canvas.unlock();
  96.         }    
  97.     }
  98. }
  100.         class Particle
  101.     {
  102.         public var color:int;
  103.         public var x:Number;
  104.         public var y:Number;
  105.         public var cx:Number;
  106.         public var cy:Number;
  107.         public var vx:Number;
  108.         public var vy:Number;
  109.         
  110.         public function Particle()
  111.         {
  112.             color = 0xffffff;
  113.             x = 0;
  114.             y = 0;
  115.             cx = 0;
  116.             cy = 0;
  117.             vx = 0;
  118.             vy = 0;
  119.         }
  120.     }
noswf
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