forked from: forked from: 親オブジェクト自体の回転

appendRotationを使った親オブジェクト自体の回転

by challengeyh 18 May 2010

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

// forked from code's 親オブジェクト自体の回転
package
{
	/*
	*appendRotationを使った親オブジェクト自体の回転
	*
	*/
	
	import flash.display.*;
	import flash.events.*;
	import flash.geom.*;
	public class setSpherePosition2 extends Sprite
	{
		//プロパティ
		private var paBase:Sprite;
		private var base:Sprite;

		private const RADIUS:uint = 200;
		private var itemNumber:uint;
		private var planeWidth:uint = 20;
		private var planeHeight:uint = 20;
		private const imgMargin:uint = 80;
		private var imgWidth:uint = planeWidth + imgMargin;
		private var imgHeight:uint = planeHeight + imgMargin;
		
		private var isMouseOut:Boolean = true;
		private var axisAngle:Number = Math.PI * 2 / 3;
		private var myAngle:Number = Math.PI;	
		
		
		//コンストラクタ
		public function setSpherePosition2()
		{
			//プロファイラ
			//SWFProfiler.init(stage, this);
			
	
			//画像の初期配置
			setPosition();
	
		
		
		private function setPosition():void 
		{
			var unitY:int = (RADIUS * 2 * Math.PI) / 2 / imgHeight;
			var angleAlpha:Number;
			var angleBeta:Number=Math.PI/2;
			
			itemNumber = 0;
			
			for (var i:uint = 0; i < unitY; i++)
			{
				
				angleAlpha = 0;
				
				//円周上に配置できる画像数を計算
				var alphaSets:int=Math.floor((2 * RADIUS * Math.cos(angleBeta) * Math.PI) / imgWidth);
				
				for (var j:uint = 0; j < alphaSets; j++) 
				{
					var plane:Sprite = new Sprite();
					plane.graphics.clear();
					plane.graphics.beginFill(0xffffff*Math.random(), 1);
					plane.graphics.drawRect( -imgWidth / 2+imgMargin/2, -imgHeight / 2+imgMargin/2, planeWidth,planeHeight);
					plane.graphics.endFill();
					
					plane.rotationX = -angleBeta/Math.PI/2*360;
					plane.rotationY = angleAlpha/Math.PI/2*360;
					
					plane.x = RADIUS * Math.cos(angleBeta) * Math.sin(angleAlpha);
					plane.y=RADIUS * Math.sin(angleBeta);
					plane.z=RADIUS * Math.cos(angleBeta) * Math.cos(angleAlpha);
					
					angleAlpha += Math.PI * 2 / alphaSets;
					plane.name = "plane" + itemNumber.toString();
					
					base.addChild(plane);
					itemNumber++;
				}
				
				angleBeta -= Math.PI / unitY;
				
			}
		}
		
	
	}
}