forked from: TextField_animation01

/**
 * Copyright hacker_yk666qry ( http://wonderfl.net/user/hacker_yk666qry )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/67xx
 */

package 
{
	import flash.display.Sprite;
	import flash.events.TimerEvent;
	import flash.text.TextField;
	import flash.text.TextFieldAutoSize;
	import flash.text.TextFormat;
	import flash.text.TextFormatAlign;
	import flash.utils.Timer;
	
	/**
	 * ...
	 * @author ...
	 */
	public class MyTextField extends Sprite 
	{
		public var tf:TextField;
		public var msg:String = "楽しいActionScriptの世界へ";
		public var timer:Timer;
		
		public function MyTextField() {
			var format:TextFormat = new TextFormat();
			format.align = TextFormatAlign.CENTER;
			
			tf = new TextField();
			tf.autoSize = TextFieldAutoSize.LEFT;
			
			tf.defaultTextFormat = format;
			addChild( tf );
			
			timer = new Timer( 100, msg.length );
			timer.addEventListener(TimerEvent.TIMER, timerHandler );
			timer.start();
		}
		
		public function timerHandler( e:TimerEvent ):void {
			var char:String = msg.charAt( timer.currentCount - 1 );
			tf.appendText( char );
		}
	}
	
}