/**
© 2007 by Duncan Holby. www.glyfconstruct.com
Protected under the Creative Commons Licence. For non-commerical use only. 
Feel free to use but please credit.
**/

package {
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.display.StageScaleMode;
	import flash.display.StageDisplayState;

	public class Orbiter extends Sprite {
		
		private var angle:uint = 0;
		private var delay:uint = 10;
		private var twist:Number = new Number;
		private var m:uint = 0;
		private var n:uint = 0;
		private var p:uint = 0;
		private var q:uint = 0;
		private var centerX:Number = new Number;
		private var centerY:Number = new Number;
		private var minDist1 = 30;
		private var minDist2 = 60;
		private var minDist3 = 80;
		private var multiplier:Number = new Number;
		private var radius:uint = 10;
		private var mousePosX:Number = new Number;
		private var mousePosY:Number = new Number;
		private var numOrbits:uint = 40;
		private var lines:Array = new Array();
		private var orbits:Array = new Array();
		private var mouseIsDown:Boolean = false;
		private var eventSprite:Sprite;
		public function Orbiter() {
			init();
		}
		
		private function init():void {
						
			for(var n:uint=0; n<numOrbits; n++) {
				orbits[n] = new Sprite();
				addChild(orbits[n]);
			}
			
			centerX = 400;
			centerY = 300;

			eventSprite = new Sprite();
			addChild(eventSprite);			
			eventSprite.addEventListener(Event.ENTER_FRAME, onenterFrame);
			stage.addEventListener(MouseEvent.MOUSE_DOWN, onmouseDown);
			stage.addEventListener(MouseEvent.MOUSE_UP, onmouseUp);
			
		}
		
		private function onmouseDown(event:Event):void {
			mouseIsDown = true;
		}
		private function onmouseUp(event:Event):void {
			mouseIsDown = false;
		}
		private function onenterFrame(event:Event):void {
			lines[m] = new Sprite;
			addChild(lines[m]);
			angle++;
			for (p=0; p<numOrbits; p++) {
				twist = 1+p/numOrbits;
				orbits[p].x = centerX + Math.sin(twist*angle/5)*p*radius;
				orbits[p].y = centerY + Math.cos(twist*angle/5)*p*radius;
				var x1:Number = orbits[p].x;
				var y1:Number = orbits[p].y;
				for (q=p+1; q<numOrbits; q++) {
					var x2:Number = orbits[q].x;
					var y2:Number = orbits[q].y;
					var dx:Number = x2 - x1;
					var dy:Number = y2 - y1;
					var distance:Number = Math.sqrt(dx*dx + dy*dy);
					
					if (distance<minDist1) {
						lines[m].graphics.lineStyle(1, 0xFFFF99);
						lines[m].graphics.moveTo(x1, y1);
						lines[m].graphics.lineTo(x2, y2);
					}
					if (minDist1<=distance && distance<minDist2) {
						lines[m].graphics.lineStyle(1, 0x666666);
						lines[m].graphics.moveTo(x1, y1);
						lines[m].graphics.lineTo(x2, y2);
					}
					if (minDist2<=distance && distance<minDist3) {
						lines[m].graphics.lineStyle(.2, 0x444455);
						lines[m].graphics.moveTo(x1, y1);
						lines[m].graphics.lineTo(x2, y2);
					}
					
				}
			}
			if (m>=delay) {
				removeChild(lines[m-delay]);
				delete lines[m-delay]
			}
			m++;
		}
	}
}