root/as3/HikaUrawaza/src/hikatsuka/utils/HikaUrawaza.as

package hikatsuka.utils {
        
        //クラス
        import flash.display.Stage;
        import flash.events.Event;
        import flash.events.EventDispatcher;
        import flash.events.KeyboardEvent;
        
        public class HikaUrawaza extends EventDispatcher {
                
                //カスタムイベント名
                public static const URAWAZA_EVENT:String = "urawaza_event";
                
                //配列
                private var commandList:Object = [];
                private var pushKeyList:Array = [];
                
                //コンストラクタ
                public function HikaUrawaza(st:Stage) {
                        //キーイベント
                        st.addEventListener(KeyboardEvent.KEY_DOWN, KeyDownHandle);
                }
                
                //コマンドの設定
                public function setKey(... args) {
                        commandList = args;
                }
                
                //キーダウンイベント
                private function KeyDownHandle(event:KeyboardEvent):void{
                        
                        //キー情報追加
                        pushKeyList.push(event.keyCode);
                        
                        //キー照合
                        var flag = true;
                        var count = 0;
                        for (var i = 0; i < pushKeyList.length; i++) {
                                count++;
                                if (commandList[i] != pushKeyList[i]) {
                                        flag = false;
                                        pushKeyList = [];
                                        pushKeyList.push(event.keyCode);
                                        break;
                                }
                        }
                        
                        //全て合っていればイベント発生
                        if (flag && count == commandList.length) {
                                pushKeyList = [];
                                urawazaEvent();
                        }
                }
                
                //HikaUrawazaイベントの送信
                function urawazaEvent():void {
                        dispatchEvent(new Event(URAWAZA_EVENT));
                }
        }
}