Flash純正3Dでboxを作ってみた

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

package 
{
	import flash.display.GradientType;
	import flash.display.LineScaleMode;
	import flash.display.MovieClip;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.geom.Matrix3D;
	import flash.geom.PerspectiveProjection;
	import flash.geom.Point;
	
	/**
	 * ...
	 * @author ...
	 */
	[SWF(frameRate="30", width="465", height="465")]
	public class MyBox extends Sprite
	{
		
		public var view:Sprite;
		
		public var pp:PerspectiveProjection;
		
		public function MyBox() 
		{
			view = new Sprite();
			
			pp = root.transform.perspectiveProjection;
			pp.projectionCenter = new Point( stage.stageWidth / 2 , stage.stageHeight / 2 );
			
			view.x = stage.stageWidth / 2;
			view.y = stage.stageHeight / 2;
			
			for ( var i:uint = 0 ; i < 10 ; i++  ) {
				var box0:Sprite = new Box();
				box0.x = i * 50 - 250;
				box0.y = i * 50 - 250;
				box0.z = - i * 30;
				view.addChild( box0 );
			
			}
			addChild( view );
		}
		
	}
	
}

import flash.display.GradientType;
import flash.display.LineScaleMode;
import flash.display.MovieClip;
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.Matrix3D;
import flash.geom.PerspectiveProjection;
import flash.geom.Point;

class Box extends Sprite {
	
    public var renders:Array;
    
    public function Box( _length:Number = 35 ) {
		
		renders = new Array();
		
		this.z = 0;
		
		for ( var i:uint = 0 ; i < 4 ; i++  ) {
			
			var child:Sprite = new Sprite();
			child.graphics.beginGradientFill( GradientType.RADIAL , [ 0xffffff, 0x999999
			] , [ 1 , 1 ] , [ 32 , 200 ] );
			child.graphics.lineStyle( 0.1, 0xcccccc , 0.5 , false );
			child.graphics.drawRect(-_length/2, -_length/2, _length, _length);
			child.z = _length/2;
			
			var main:Sprite = new Sprite();
			main.addChild( child );
			main.z = 0;
			
			main.rotationY = 90 * i;
			
			addChild( main );
			renders.push( child );
		}
		
		addEventListener( Event.ENTER_FRAME , move );
		addEventListener( Event.ENTER_FRAME , render );
    }
    
	public function move( ev:Event = null ):void {
		rotationY += 5;
	}
	
	public function render( ev:Event = null ):void {
		renders.sort( order , Array.NUMERIC | Array.DESCENDING );
		renders.forEach(
			function( item:* , index:uint , arr:Array ):void {
				addChild( item.parent );
			}
		);
	}
	
	public function order( a:Sprite , b:Sprite ):Number {
		
		var mtxA:Matrix3D = a.transform.getRelativeMatrix3D( root );
		var mtxB:Matrix3D = b.transform.getRelativeMatrix3D( root );
		
		if ( mtxA.position.z < mtxB.position.z ) {
			return -1;
		} else if ( mtxA.position.z > mtxB.position.z ) {
			return 1;
		} else {
			return 0;
		}
	}
	
}