package be.nascom.flash10_tests.widgets{
	
	import flash.display.Sprite;

	/**
	 * An extremely simple implementation of a rotating 3d cube menu
	 * uses only rudimentary 3d features (rotateX, rotateY)
	 */ 
	public class graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCube extends Sprite{
		
		//public static const rotation_targets:Array=new Array();

		protected static var _rotation_offsets:Array;

		protected var _sides:Array;
		protected var _sort_pairs:Array;
		
		public function graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCube(materials:Array){
			super();
			init(materials);
		}
		
		public function validateMaterials(materials:Array):void{
			//throw error
		}
		
		protected function getRotationOffsets(size:uint):Array{
			var h:int=size/2;
			//ORDER front, back, left, right, top, bottom
			//values x,y,z,rotationX,rotationY,rotationZ
			return new Array(
							new Offset3d(	0,	0,	h,	0,		0,		0),
							new Offset3d(	0,	0,	-h,	0,		180,	0),
							new Offset3d(	-h,	0,	0,	0,		90,		0),
							new Offset3d(	h,	0,	0,	0,		270,	0),
							new Offset3d(	0,	-h,	0,	270,	0,	0),
							new Offset3d(	0,	h,	0,	90,		0,		0)
						);
		}
		
		public function init(materials:Array):void{
			validateMaterials(materials);
			var size:uint=materials[0].width;//height should be the same
			_rotation_offsets=getRotationOffsets(size);
			//trace("size:"+size);
			_sides=new Array(6);
			_sort_pairs=new Array(6);
			var side:graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCubeSide;
			for(var i:uint=0;i<6;i++){
				side=new graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCubeSide(size,materials[i],_rotation_offsets[i]);
				addChild(side);
				_sides[i]=side;
				_sort_pairs[i]=new graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCubeSortPair(side,0);
			}
		}
		
		public function rotate(	x_rotation:Number,
								y_rotation:Number,
								z_rotation:Number):void{
			this.rotationX+=x_rotation;
			this.rotationY+=y_rotation;
			this.rotationZ+=z_rotation;

			zSort();
								
		}
		
		protected function zSort():void{
			var pair:graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCubeSortPair;
			for each(pair in _sort_pairs){
				//if(pair.side==null)return;
				pair.z=pair.side.material.transform.getRelativeMatrix3D(parent).position.z;
				removeChild(pair.side);
			}
			_sort_pairs.sortOn("z", Array.NUMERIC | Array.DESCENDING);
			var i:uint=0;
			for(i=0;i<6;i++){
				addChild(graphic_player_10_cube_be_nascom_flash10_tests_widgets_SimpleCubeSortPair(_sort_pairs[i]).side);
			}
		}
		
		public function destroy():void{
			//remove all sides
			for(var i:uint=0;i<6;i++){
				removeChild(_sides[i]);
				_sides[i]=null;
			}
			_sort_pairs=null;
			_sides=null;
		}
		
	}
}