Nyanyanyanyanyanyanya!っぽいの。

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favorite:10
lines:77
license : MIT License
modified : 2011-01-29 15:09:15

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/**
 * Nyanyanyanyanyanyanya!っぽいの。
 * 
 * http://www.nicovideo.jp/watch/sm11509720
 */
package  
{
	import flash.display.Sprite;
	import flash.events.Event;
	
	[SWF(backgroundColor = "0xfffedd", frameRate = "30", width = "465", height = "465")]
	public class Main extends Sprite
	{
		private var _nyas  :/*Nya*/Array;
		private var _count :int = 0;
		
		public function Main() 
		{
			_nyas = [];
			addEventListener(Event.ENTER_FRAME, _enterFrame);
		}
		
		private function _enterFrame(evt:Event):void 
		{
			_create();
			_update();
		}
		private function _create():void
		{
			if (_count++ % 3 != 0) return;
			
			var nya :Nya = addChild(new Nya()) as Nya;
			nya.x = Math.random() * 465;
			nya.y = 465;
			_nyas.push(nya);
		}
		private function _update():void
		{
			var n :int = -1;
			while (_nyas[++n])
			{
				if (_nyas[n].update())
				{
					removeChild(_nyas[n]);
					_nyas[n] = null;
					_nyas.splice(n, 1);
				}
			}
		}
	}
}

import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.text.TextField;
import flash.text.TextFormat;

class Nya extends Bitmap
{
	private var _vx  :Number;
	private var _vy  :Number;
	private var _ay  :Number;
	private var _rot :Number;
	
	public function Nya()
	{
		var tf :TextField = new TextField();
		tf.defaultTextFormat = new TextFormat("_sans", Math.random() * 48 + 32, 0, true);
		tf.autoSize = "left";
		tf.text = "Nya";
		
		var bmd :BitmapData = new BitmapData(tf.width, tf.height, true, 0);
		bmd.draw(tf);
		super(bmd, "auto", true);
		
		_vx  =   Math.random() *  32 -  16;
		_vy  = - Math.random() *  15 -  25;
		_rot =   Math.random() *   4 -   2;
		_ay  =   Math.random() * 0.5 + 1.5;
	}
	public function update():Boolean
	{
		x   += _vx;
		y   += _vy;
		_vy += _ay;
		
		rotation += _rot;
		
		if (465 < y) return true;
		return false;
	}
}

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