连线

package com{
    import flash.display.MovieClip;
    import flash.display.Shape;
    import flash.events.MouseEvent;
    import fl.motion.Color;
    import flash.events.Event;
    import flash.geom.Point;
    import flash.display.SimpleButton;
    import flash.utils.Timer;
    import flash.events.TimerEvent;

    public class Line extends MovieClip {
        private var picMc:MovieClip;
        private var wordMc:MovieClip;
        private var emptyMc:MovieClip;
        private var color:uint;
        private var size:uint;
        private var line:Shape;
        private var point:Point;
        private var newPoint:Point;
        private var eTar:Object;
        private var eTarArr:Array = [];
        private var rightNum:Number;
        private var thisMc:MovieClip;


        public function Line(_wordMc:MovieClip,_picMc:MovieClip,_emptyMc:MovieClip,_color:uint=0,_size:uint=1) {
            wordMc = _wordMc;
            picMc = _picMc;
            emptyMc = _emptyMc;
            color = _color;
            size = _size;
            thisMc = picMc.parent as MovieClip;
            picMc.buttonMode = true;
            wordMc.buttonMode = true;
            rightNum = picMc.numChildren;
            if (wordMc.hasEventListener(MouseEvent.MOUSE_DOWN) == false) {
                wordMc.addEventListener(MouseEvent.MOUSE_DOWN,onDown);
                picMc.addEventListener(MouseEvent.MOUSE_DOWN,onDown);
            }
            eTarArr = [];
            for (var i:uint = 0; i < wordMc.numChildren; i++) {
                wordMc.getChildAt(i).alpha = 0;
                picMc.getChildAt(i).alpha = 0;
            }
            while (emptyMc.numChildren > 0) {
                emptyMc.removeChildAt(0);
            }
        }

        private function onDown(e:MouseEvent) {
            eTar = e.target as Object;
            point = new Point(e.target.x,e.target.y);
            var eTarParen:MovieClip = e.target.parent as MovieClip;
            newPoint = eTarParen.localToGlobal(point);
            if (eTar.alpha == 0) {
                eTar.alpha = 1;
                if (eTarArr.length == 0) {
                    line = new Shape  ;
                    line.graphics.lineStyle(size,color);
                    line.graphics.moveTo(newPoint.x,newPoint.y);
                }
                eTarArr.push(eTar);
                if (eTarArr.length > 1) {
                    if (eTarArr[0].parent.name != eTarArr[1].parent.name) {
                        if (eTarArr[0].name.slice(-1) == eTarArr[1].name.slice(-1)) {
                            line.graphics.lineTo(newPoint.x,newPoint.y);
                            emptyMc.addChild(line);
                            MyMusic.changeSound("正确");
                        } else {
                            eTarArr[0].alpha = 0;
                            eTarArr[1].alpha = 0;
                        }
                        if (emptyMc.numChildren == rightNum) {
                            var thisMc:MovieClip = emptyMc.parent as MovieClip;
                            var t:Timer = new Timer(800,1);
                            t.addEventListener(TimerEvent.TIMER,onT);
                            t.start();
                            function onT(e:TimerEvent) {
                                MyMusic.changeSound("连一连2");
                                explainMc.gotoAndStop(3);
                            }
                        }
                        eTarArr = [];
                    } else {
                        eTarArr[0].alpha = 0;
                        eTarArr.shift();
                        line.graphics.moveTo(newPoint.x,newPoint.y);
                    }
                }

            }
        }
        private var explainMc:MovieClip;
        public function explainFun(_explainMc:MovieClip) {
            explainMc = _explainMc;
            if (explainMc.hasEventListener(MouseEvent.CLICK) == false) {
                explainMc.addEventListener(MouseEvent.CLICK,onExp);
                MyMusic.changeSound("连一连1");
            }
        }
        private function onExp(e:MouseEvent) {
            var str:String = e.target.name;
            if (str == "startGameBtn"){
                explainMc.gotoAndStop(1);
                MyMusic.pauseFuntion();
            } else if ((str == "againBtn")) {
                MyMusic.pauseFuntion();
                eTarArr = [];
                explainMc.gotoAndStop(1);
                while (emptyMc.numChildren > 0) {
                    emptyMc.removeChildAt(0);
                }
                for (var i:uint = 0; i < wordMc.numChildren; i++) {
                    thisMc["wordMc"].getChildAt(i).alpha = 0;
                    thisMc["picMc"].getChildAt(i).alpha = 0;
                }
            }
        }

    }
}