/* This code is from "ActionScript 3.0 Game Programming University" by Gary Rosenzweig Copyright 2007 http://flashgameu.com See the book or site for more information */ package { import flash.display.*; import flash.events.*; import flash.text.*; import flash.utils.Timer; import flash.media.Sound; import flash.media.SoundChannel; import flash.net.URLRequest; public class MemoryGame extends Sprite { static const numLights:uint = 5; private var lights:Array; // list of light objects private var playOrder:Array; // growing sequence private var repeatOrder:Array; // text message private var textMessage:TextField; private var textScore:TextField; // timers private var lightTimer:Timer; private var offTimer:Timer; var gameMode:String; // play or replay var currentSelection:MovieClip = null; var soundList:Array = new Array(); // hold sounds public function MemoryGame() { // text formating var textFormat = new TextFormat(); textFormat.font = "Arial"; textFormat.size = 24; textFormat.align = "center"; // create the upper text field textMessage = new TextField(); textMessage.width = 550; textMessage.y = 110; textMessage.selectable = false; textMessage.defaultTextFormat = textFormat; addChild(textMessage); // create the lower text field textScore = new TextField(); textScore.width = 550; textScore.y = 250; textMessage.selectable = false; textScore.defaultTextFormat = textFormat; addChild(textScore); // load the sounds soundList = new Array(); for(var i:uint=1;i<=5;i++) { var thisSound:Sound = new Sound(); var req:URLRequest = new URLRequest("note"+i+".mp3"); thisSound.load(req); soundList.push(thisSound); } // make lights lights = new Array(); for(i=0;i<numLights;i++) { var thisLight:Light = new Light(); thisLight.lightColors.gotoAndStop(i+1); // show proper frame thisLight.x = i*75+100; // position thisLight.y = 175; thisLight.lightNum = i; // remember light number lights.push(thisLight); // add to array of lights addChild(thisLight); // add to screen thisLight.addEventListener(MouseEvent.CLICK,clickLight); // listen for clicks thisLight.buttonMode = true; } // reset sequence, do first turn playOrder = new Array(); gameMode = "play"; nextTurn(); } // add one to the sequence and start public function nextTurn() { // add new light to sequence var r:uint = Math.floor(Math.random()*numLights); playOrder.push(r); // show text textMessage.text = "Watch and Listen."; textScore.text = "Sequence Length: "+playOrder.length; // set up timers to show sequence lightTimer = new Timer(1000,playOrder.length+1); lightTimer.addEventListener(TimerEvent.TIMER,lightSequence); // start timer lightTimer.start(); } // play next in sequence public function lightSequence(event:TimerEvent) { // where are we in the sequence var playStep:uint = event.currentTarget.currentCount-1; if (playStep < playOrder.length) { // not last time lightOn(playOrder[playStep]); } else { // sequence over startPlayerRepeat(); } } // start player repetion public function startPlayerRepeat() { currentSelection = null; textMessage.text = "Repeat."; gameMode = "replay"; repeatOrder = playOrder.concat(); } // turn on light and set timer to turn it off public function lightOn(newLight) { soundList[newLight].play(); // play sound currentSelection = lights[newLight]; currentSelection.gotoAndStop(2); // turn on light offTimer = new Timer(500,1); // remember to turn it off offTimer.addEventListener(TimerEvent.TIMER_COMPLETE,lightOff); //如果將 Timer 實體設定為固定次數的間隔，那麼當達到最後的間隔時，也會傳送 timerComplete 事件 offTimer.start(); } // turn off light if it is still on public function lightOff(event:TimerEvent) { if (currentSelection != null) { currentSelection.gotoAndStop(1);//將播放磁頭移到場景中的指定影格，並停止播放 currentSelection = null; offTimer.stop(); } } // receive mouse clicks on lights public function clickLight(event:MouseEvent) { // prevent mouse clicks while showing sequence if (gameMode != "replay") return; // turn off light if it hasn't gone off by itself lightOff(null);//NULL 取代所排除的選用參數 // correct match if (event.currentTarget.lightNum == repeatOrder.shift()) { lightOn(event.currentTarget.lightNum); //event.currentTarget屬性會儲存目前正在處理事件物件之顯示清單物件的參考// // check to see if sequence is over if (repeatOrder.length == 0) { //每個字串都有 length 屬性，其值等於字串中的字元數目 nextTurn(); } // got it wrong } else { textMessage.text = "Game Over!"; gameMode = "gameover"; } } } } --

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