forked from: forked from: コロコロ転がる

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

// forked from fukt's forked from: コロコロ転がる
// forked from sakusan393's コロコロ転がる
//カヤックさんの記事を読んで四角を転がす実験
//
//参考：getBounds + Matrixで、もう基準点にはこだわらない。
//http://level0.kayac.com/2009/11/matrix_with_getbounds.php
//
//ループの処理の挙動がイマイチ。。。

package  {
    import flash.display.Sprite;
    import flash.events.Event;
    
    /**
     * ...
     * @author 393

     */
    public class KoroKoro extends Sprite{
        
        public function KoroKoro() {
            //100個転がす
            for (var i:uint = 0; i < 100;i++){
                //第一引数：表示リスト
                //第二引数：x座標
                //第三引数：y座標
                //第四引数：幅
                //第五引数：高さ
                //第六引数：スピード
                addChild(new Koro(this,Math.random()*300,Math.random()*300,Math.random()*50+1,Math.random()*100+1,Math.random()*5+5) );
            }
        }
    }

}

import flash.display.Sprite;
import flash.events.Event;
import flash.geom.Matrix;
import flash.geom.Rectangle;

class Koro extends Sprite {
    private var _degree:Number = 0;
    private var _w:Number;
    private var _h:Number;
    private var _rect:Rectangle;
    private var _matrix:Matrix
    private var _speed:Number;
    private var _container:KoroKoro;
    private var _countNumber:Number;
    public function Koro(container:KoroKoro,posX:Number = 10, posY:Number = 100, w:Number = 100, h:Number = 50,speed:Number = 10) {
        //四角を作る
        
var colorArray:Array = new Array(0xFFFF00, 0xFFFFFF, 0x00000ff, 0xFF3333, 0xFFCC33, 0x99CC33);
var randomColorID:Number = Math.floor(Math.random()*colorArray.length);
 
// var colorTransform:ColorTransform = rct.transform.colorTransform;
       
        
        graphics.beginFill(Math.floor(0xFF00FF)) //* Math.random()));
        graphics.drawRect(posX, posY, w, h);
        graphics.endFill();
        //速度定義
        _speed = speed;
        //親コンテナ
        _container = container
        addEventListener(Event.ADDED_TO_STAGE , init);
    }
    //初期設定
    private function init(e:Event):void {
        removeEventListener(Event.ADDED_TO_STAGE, init);
        _matrix=this.transform.matrix;
        _rect = this.getBounds(_container);
        _w=this.width;
        _h=this.height;
        _degree=0;
        _countNumber = 0;
        
        this.addEventListener(Event.ENTER_FRAME , enterFrameHandler);
    }
    
    private function enterFrameHandler(e:Event):void {
        roll();
        _degree += _speed;
        if (_degree >= 90) {
            var max:Number = Math.max(width, height);
            if (x >= stage.stageWidth+ max*2){
                _matrix.tx = -width;
                _matrix.ty = Math.random() * 200;
                this.transform.matrix=_matrix;
            }
            setProp();
        }
    }
    
    private function roll():void{
        _matrix.translate(-(_rect.left + _rect.width),-(_rect.top + _rect.height));
        _matrix.rotate(_speed*Math.PI/180);
        _matrix.translate((_rect.left + _rect.width), (_rect.top + _rect.height));
        this.transform.matrix=_matrix;
    }
    
    private function setProp():void{
        _w=this.width;
        _h=this.height;
        _degree=0;
        _rect=this.getBounds(_container);
    }
}