package  {
	import flash.display.*;
	import flash.text.TextField;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.net.URLRequest;
	import flash.geom.Matrix;
	import flash.system.LoaderContext;
	public class actionscript_graph_basic_Character extends Sprite {
		private var radius:Number;		//Radius of the circle shape character
		private var xWanted:uint;		//X Coordinate destiny
		private var yWanted:uint;		//Y Coordinate destiny
		private var id:String;			//ID of the character
		private var imageURL:String;		//Photo or image of the character
        private var spring:Number = 0.3;		//Movement of the characters
        private var xBeforeMoving:uint;			//Movement of the characters
        private var yBeforeMoving:uint;			//Movement of the characters
        private var friction:Number = 0.45;		//Movement of the characters
        public var vx:Number = 0;				//Movement of the characters
        public var vy:Number = 0;				//Movement of the characters
		private var indexDisplay:int;	
		var _loader:Loader = new Loader();
		public function actionscript_graph_basic_Character (radius:Number, id:String, imageURL:String):void {			
			indexDisplay = 0;
			this.radius=radius;
			this.id=id;
			this.imageURL=imageURL;
			init(0, 0);		//Initialize the character (load photo and set it)
		}
		public function getIndexDisplay():int {
			return indexDisplay;
		}
		public function setIndexDisplay(index:int):void {
			indexDisplay = index;
		}
		private function init(x:uint, y:uint):void {
			var loaderContext:LoaderContext = new LoaderContext();
			loaderContext.checkPolicyFile=true;
			_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
			_loader.load(new URLRequest(imageURL), loaderContext);							//Load the photo and eventListener when completed
			setX(x);
			setY(y);
		}
		private function onComplete(event:Event):void {
			var bitmap:BitmapData = new BitmapData(_loader.width, _loader.height);
			bitmap.draw(_loader, new Matrix());
			var matrix:Matrix = new Matrix();
			matrix.scale(2*radius/_loader.width, 2*radius/_loader.height);		//Set the matrix to translate the bitmap
			matrix.translate(radius,radius);
			graphics.beginBitmapFill(bitmap,matrix);							//Fill the following shape with the bitmap
			graphics.drawCircle(0, 0, radius);									//actionscript_graph_basic_Character the circle
			graphics.endFill();
		}
		public function setX (x:uint) :void {					//Set the actual position X
			this.x=x;
		}
		public function setY (y:uint) :void {					//Set the actual position Y
			this.y=y;
		}
		private function setXBeforeMoving(x:uint):void {
			xBeforeMoving=x;
		}
		private function setYBeforeMoving(y:uint):void {
			yBeforeMoving=y;
		}		
		public function getX ():uint {							//Return the actual position X
			return this.x;
		}
		public function getY (): uint {							//Return the actual position Y
			return this.y;
		}		
		public function increaseSize(radius:uint):void {		//When the mouse is over, increase the size
			var bitmap:BitmapData = new BitmapData(_loader.width, _loader.height);
			bitmap.draw(_loader, new Matrix());
			var matrix:Matrix = new Matrix();
			matrix.scale(2*radius/_loader.width, 2*radius/_loader.height);
			matrix.translate(radius,radius);
			graphics.clear();									//Clear the previous character
			graphics.beginBitmapFill(bitmap,matrix);
			graphics.drawCircle(0, 0, radius);					//Draw a bigger character over the previous one
			graphics.endFill();
		}
		public function decreaseSize():void {					//When the mouse is out, normal size
			var bitmap:BitmapData = new BitmapData(_loader.width, _loader.height);
			bitmap.draw(_loader, new Matrix());
			var matrix:Matrix = new Matrix();
			matrix.scale(2*radius/_loader.width, 2*radius/_loader.height);
			matrix.translate(radius,radius);
			graphics.clear();									//Clear the bigger character
			graphics.beginBitmapFill(bitmap,matrix);
			graphics.drawCircle(0, 0, radius);					//Draw the normal sized character
			graphics.endFill();
		}
		public function setXWanted (xWanted:uint) :void {		//Set the destiny X
			this.xWanted = xWanted;
			setXBeforeMoving(x);		
		}
		public function setYWanted (yWanted:uint) :void {		//Set the destiny Y
			this.yWanted=yWanted;
			setYBeforeMoving(y);
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		public function getYWanted ():uint {					//Return the destiny position X
			return yWanted;			
		}
		public function getXWanted():uint {						//Return the destiny position Y
			return xWanted;
		}		
		public function getId(): String {						//Return the identity of the character
			return id;
		}
		private function onEnterFrame(event:Event):void {		//Move the character to the final destination
			var dx:Number =  xWanted + xWanted - xBeforeMoving - x;
			var dy:Number =  yWanted + yWanted - yBeforeMoving - y;
            vx += dx * spring;
            vy += dy * spring;
			dx=xBeforeMoving-x;
			dy=yBeforeMoving-y;
            vx += dx * spring;
            vy += dy * spring;			
            vx *= friction;
            vy *= friction;
            x += vx;
            y += vy;
		}
	}
}