/****************************************************************
*
*   Modern Carpentry Spiderweb
*
*   Investigations into Dual Parented Display Objects 
* 
*   @version 0.2
*   @author Thomas Saunders
*
*   Licensed under GPL version 3 
*   see http://modern-carpentry.com/workshop/spiderweb/license.txt
*
*
*****************************************************************/

package 
{
//	import com.modernCarpentry.spiderweb.control.KeyboardController;
	import com.modernCarpentry.spiderweb.display.DualParentSprite;
//	import com.modernCarpentry.spiderweb.model.ModelLocator;
	
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.text.TextField;
	import flash.text.TextFormat;
	
	[SWF(backgroundColor="0xffffff")]
	public class SpiderWeb extends Sprite
	{
		
//		protected var _model:ModelLocator = ModelLocator.getInstance();
		
		protected var _numstrands:int = 48;
		protected var _twopi:Number = Math.PI; //Note: WTF?
		protected var _radius:int = 280;
		protected var _radsIncrement:Number = _twopi / _numstrands;
		protected var _w:int;
		protected var _h:int;
		protected var _wover2:int;
		protected var _hover2:int;
		
		protected var _radials:int = 36;

		protected var _mouseAttract:int = 20;
		protected var _noiseAttract:int = 5;
		protected var _time:Number = 0;
		
		protected var _gen0:Array;
		protected var _gen1:Array;
		
		public function SpiderWeb()
		{
			addEventListener(Event.ADDED_TO_STAGE, onStage);
		}
		
		protected function onStage(event:Event):void
		{
			removeEventListener(Event.ADDED_TO_STAGE, onStage);
			stage.align = "TOP_LEFT";
			stage.scaleMode = "noScale";
			
			resize();
				
			addViews();
			addListeners();
			
		}
		
		protected function addViews():void
		{
//			var keys:KeyboardController = new KeyboardController(this);	
			
			var tf:TextField = new TextField();
			tf.defaultTextFormat = new TextFormat("Arial", 14);
			tf.width = tf.height =400;
			tf.wordWrap =tf.multiline=true;
			tf.text="modern-carpentry spiderweb\n"
			tf.appendText("click and drag the small black circles to play\n");
			tf.appendText("read more here: http://philosophy.modern-carpentry.com/");
			addChild( tf );
			
			var adam:DualParentSprite;
			var eve:DualParentSprite;
			
			var rads:Number = 0;
			
			_gen0 = new Array();
			_gen1 = new Array();
			
			for(var i:int = 0; i< _numstrands; i++)
			{
			
				adam = new DualParentSprite(0);
				eve = new DualParentSprite(0);
				
				var ex:Number = Math.cos(rads) * _radius;
				var why:Number = Math.sin(rads) * _radius;
				rads+= _radsIncrement;

				adam.x = adam.ox = ex + _wover2;
				adam.y = adam.oy = why + _hover2;
				eve.x = eve.ox = -ex + _wover2;
				eve.y = eve.oy = -why + _hover2;							

				addChild(adam);
				addChild(eve);
				
				_gen0.push( adam );
				_gen0.push( eve );
				
				var cain:DualParentSprite = new DualParentSprite(1, adam, eve);
				addChild(cain);
			
				_gen1.push(cain);
			
				adam.addDualParentedChild(cain);
				eve.addDualParentedChild(cain);
			}
			
			for(i = 0; i< _gen1.length; i++)
			{
				var child:DualParentSprite = _gen1[i];
				var nextChild:DualParentSprite;
				
				if(i < _gen1.length -1)
				{
					nextChild = _gen1[i+1];
				}
				else
				{
					nextChild = _gen1[0];
				}	
				
				for(var b:int = 0; b < _radials-1; b++)
				{
					var per:Number = b/_radials;
					var offspring:DualParentSprite = new DualParentSprite(2, child, nextChild, per);
					child.addDualParentedChild(offspring);
					nextChild.addDualParentedChild(offspring);
					addChild(offspring);
				}
				
			}
			
		}
		
		protected function addListeners( ):void
		{
			stage.addEventListener( Event.RESIZE, resize );
//			addEventListener( Event.ENTER_FRAME, frame );	
//			addEventListener( Event.ENTER_FRAME, noise );
		}
		
		protected function noise( event:Event = null ):void
		{
/*
			var dx:Number;
			var dy:Number;
			var dist:Number;

			for( var i:int = 0; i< _gen0.length; i++ )
			{
				
				var s:DualParentSprite = _gen0[i];
				
				if( !s.isDragging )
				{
					var n:Number = noiseWFreq( s.ox, s.oy, _time, 4 );
					s.x = s.ox + n * _noiseAttract;
					s.y = s.oy + n * _noiseAttract;
					s.update();
				}			
			}
			
			_time+=.01;
*/
		}
		
		protected function noiseWFreq( x:Number, y:Number, z:Number, freq:int):Number 
		{
/*
			var x1:Number = .707*x-.707*z;
			var z1:Number = .707*x+.707*z;
			var y1:Number = .707*x1+.707*y;
			  
			return Noise3D.noise(freq*x1, freq*y1, freq*z1);
*/
			return 0;
	    }		
		
		protected function frame( event:Event=null ):void
		{
/*
			var dx:Number;
			var dy:Number;
			var dist:Number;

			for( var i:int = 0; i< _gen0.length; i++ )
			{
				
				var s:DualParentSprite = _gen0[i];
				
				if( !s.isDragging )
				{
					dx = stage.mouseX - s.ox;
					dy = stage.mouseY - s.oy;
					
					dist = Math.sqrt( dx*dx + dy*dy );
					
					s.x = s.ox + ( dx * _mouseAttract ) / dist;
					s.y = s.oy + ( dy * _mouseAttract ) / dist;
				
					s.update();
				}
			}
*/
		}
		
		protected function resize( event:Event = null ):void
		{
			_w = stage.stageWidth;
			_h = stage.stageHeight;
		
			_wover2 = _w/2;
			_hover2 = _h/2;			
		}
	}
}