如何解决如何在 AS3 中创建和删除许多子对象而不会使 CPU 或 RAM 陷入困境
我正在为我正在设计的大富翁式游戏制作配套应用。我的目标是让所有属性都有一个 MovieClip,显示谁拥有它以及它升级了多少。实际上有数百个属性,每个属性都会使我的运行时间停滞大约一秒钟(我设置了一个 1 秒的计时器来查看运行需要多长时间)。
我有一个 MovieClip,它会根据我的需要“生成”每个属性。这个想法是,我有一个按钮,告诉这个 MC 转到第 10 帧,第 10 帧将具有为属性 10 添加子项的代码,然后该子项包含所有必要的代码。这个子产卵 MC 看起来像这样:
import flash.events.MouseEvent;
import flash.events.Event;
stop();
// I used a "fakeChild" as a placeholder to get something spawned in so that there is something to be removed
var fake_Child: fakeChild = new fakeChild();
var property_Pale15: propertyPale15 = new propertyPale15();
var property_Red15: propertyRed15 = new propertyRed15();
removeChildAt(1);
addChildAt(fake_Child,1);
并且给定属性的每个后续帧看起来像这样(本例中的属性是“Pale 15”)
removeChildAt(1);
addChildAt(property_Pale15,1);
property_Pale15.newData();
property_Pale15.propertyOwner();
我目前只有两个测试属性,每个属性都会使我的计时器延迟大约一秒钟,这非常糟糕。属性本身有大量代码,如下所示:
import flash.events.MouseEvent;
import flash.ui.Mouse;
import flash.events.Event;
stop();
var myPropertyData:SharedObject = SharedObject.getLocal("myLocalData");
var propertyName: String = ("Pale 15");
propertyDisplay.text = propertyName;
var propertyValue: int;
var propertyRent: int;
var activePlayer: int;
var currentRank: int;
loadData();
btnProperty.addEventListener(MouseEvent.CLICK,activateProperty);
function activateProperty(e:MouseEvent):void{
propertyValue = MovieClip(root).valuePale15;
if(MovieClip(root).buyupgradeAction == true && loanedProperty.visible == false){
buyupgradeProperty();
}else if(MovieClip(root).paycostAction == true && bridgeProperty.visible == false && loanedProperty.visible == false){
paycostProperty();
}
}
function buyupgradeProperty(e:MouseEvent = null){
// Active Player (if Owner) Upgrades Property
if(activePlayer == 1 && MovieClip(root).activePlayer == 1 && currentRank < 10){
MovieClip(root).myLocalData.data.moneyDisplay1 -= propertyValue * 0.8;
currentRank += 1;
currentRankDisplay.text = currentRank;
propertyRent = propertyValue * currentRank * currentRank * 0.1;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay1 + " upgraded " + propertyName + " to Rank " + currentRank + " for $" + propertyValue * 0.8 + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(activePlayer == 2 && MovieClip(root).activePlayer == 2 && currentRank < 10){
MovieClip(root).myLocalData.data.moneyDisplay2 -= propertyValue * 0.8;
currentRank += 1;
currentRankDisplay.text = currentRank;
propertyRent = propertyValue * currentRank * currentRank * 0.1;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay2 + " upgraded " + propertyName + " to Rank " + currentRank + " for $" + propertyValue * 0.8 + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(activePlayer == 3 && MovieClip(root).activePlayer == 3 && currentRank < 10){
MovieClip(root).myLocalData.data.moneyDisplay3 -= propertyValue * 0.8;
currentRank += 1;
currentRankDisplay.text = currentRank;
propertyRent = propertyValue * currentRank * currentRank * 0.1;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay3 + " upgraded " + propertyName + " to Rank " + currentRank + " for $" + propertyValue * 0.8 + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(activePlayer == 4 && MovieClip(root).activePlayer == 4 && currentRank < 10){
MovieClip(root).myLocalData.data.moneyDisplay4 -= propertyValue * 0.8;
currentRank += 1;
currentRankDisplay.text = currentRank;
propertyRent = propertyValue * currentRank * currentRank * 0.1;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay4 + " upgraded " + propertyName + " to Rank " + currentRank + " for $" + propertyValue * 0.8 + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}
// Active Player buys Property
if(MovieClip(root).activePlayer == 1 && currentFrame == 1){
MovieClip(root).myLocalData.data.moneyDisplay1 -= propertyValue;
MovieClip(root).myLocalData.data.propertyDisplay1 += 1;
gotoAndStop(2);
MovieClip(root).stageProperties.propertyColor.color = (0xFF0000);
colorChange();
propertyRent = 0;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay1 + " purchased " + propertyName + " for $" + propertyValue + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 2 && currentFrame == 1){
MovieClip(root).myLocalData.data.moneyDisplay2 -= propertyValue;
MovieClip(root).myLocalData.data.propertyDisplay2 += 1;
gotoAndStop(3);
MovieClip(root).stageProperties.propertyColor.color = (0x0000FF);
colorChange();
propertyRent = 0;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay2 + " purchased " + propertyName + " for $" + propertyValue + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 3 && currentFrame == 1){
MovieClip(root).myLocalData.data.moneyDisplay3 -= propertyValue;
MovieClip(root).myLocalData.data.propertyDisplay3 += 1;
gotoAndStop(4);
MovieClip(root).stageProperties.propertyColor.color = (0x00FF00);
colorChange();
propertyRent = 0;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay3 + " purchased " + propertyName + " for $" + propertyValue + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 4 && currentFrame == 1){
MovieClip(root).myLocalData.data.moneyDisplay4 -= propertyValue;
MovieClip(root).myLocalData.data.propertyDisplay4 += 1;
gotoAndStop(5);
MovieClip(root).stageProperties.propertyColor.color = (0xFFFF00);
colorChange();
propertyRent = 0;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay4 + " purchased " + propertyName + " for $" + propertyValue + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}
saveData();
}
function paycostProperty(e:MouseEvent = null){
if(MovieClip(root).activePlayer == 1 && activePlayer == 2){
MovieClip(root).myLocalData.data.moneyDisplay1 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay2 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay1 + " paid " + MovieClip(root).myLocalData.data.nameDisplay2 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 1 && activePlayer == 3){
MovieClip(root).myLocalData.data.moneyDisplay1 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay3 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay1 + " paid " + MovieClip(root).myLocalData.data.nameDisplay3 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 1 && activePlayer == 4){
MovieClip(root).myLocalData.data.moneyDisplay1 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay4 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay1 + " paid " + MovieClip(root).myLocalData.data.nameDisplay4 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 2 && activePlayer == 1){
MovieClip(root).myLocalData.data.moneyDisplay2 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay1 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay2 + " paid " + MovieClip(root).myLocalData.data.nameDisplay1 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 2 && activePlayer == 3){
MovieClip(root).myLocalData.data.moneyDisplay2 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay3 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay2 + " paid " + MovieClip(root).myLocalData.data.nameDisplay3 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 2 && activePlayer == 4){
MovieClip(root).myLocalData.data.moneyDisplay2 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay4 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay2 + " paid " + MovieClip(root).myLocalData.data.nameDisplay4 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 3 && activePlayer == 1){
MovieClip(root).myLocalData.data.moneyDisplay3 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay1 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay3 + " paid " + MovieClip(root).myLocalData.data.nameDisplay1 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 3 && activePlayer == 2){
MovieClip(root).myLocalData.data.moneyDisplay3 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay2 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay3 + " paid " + MovieClip(root).myLocalData.data.nameDisplay2 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 3 && activePlayer == 4){
MovieClip(root).myLocalData.data.moneyDisplay3 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay4 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay3 + " paid " + MovieClip(root).myLocalData.data.nameDisplay4 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 4 && activePlayer == 1){
MovieClip(root).myLocalData.data.moneyDisplay4 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay1 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay4 + " paid " + MovieClip(root).myLocalData.data.nameDisplay1 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 4 && activePlayer == 2){
MovieClip(root).myLocalData.data.moneyDisplay4 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay2 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay4 + " paid " + MovieClip(root).myLocalData.data.nameDisplay2 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}else if(MovieClip(root).activePlayer == 4 && activePlayer == 3){
MovieClip(root).myLocalData.data.moneyDisplay4 -= propertyRent;
MovieClip(root).myLocalData.data.moneyDisplay3 += propertyRent;
MovieClip(root).transactionLog = (MovieClip(root).myLocalData.data.nameDisplay4 + " paid " + MovieClip(root).myLocalData.data.nameDisplay3 + " $" + propertyRent + " for landing on " + propertyName + " (" + MovieClip(root).Time_txt.text + ")")
MovieClip(root).updateLogs();
}
saveData();
}
function saveData(e:MouseEvent = null){
myPropertyData.data.Pale15Rent = propertyRent;
myPropertyData.data.Pale15Rank = currentRank;
myPropertyData.data.Pale15Frame = currentFrame;
myPropertyData.data.Pale15Loan = loanedProperty.visible;
myPropertyData.data.Pale15Bridge = bridgeProperty.visible;
myPropertyData.flush();
}
function loadData(e:Event = null){
propertyRent = myPropertyData.data.Pale15Rent;
currentRank = myPropertyData.data.Pale15Rank;
gotoAndStop(myPropertyData.data.Pale15Frame);
loanedProperty.visible = myPropertyData.data.Pale15Loan;
bridgeProperty.visible = myPropertyData.data.Pale15Bridge;
}
function newData(e:Event = null){
if(MovieClip(root).gameSave == 1){
myPropertyData.data.Pale15Rent = 0;
myPropertyData.data.Pale15Rank = 0;
myPropertyData.data.Pale15Frame = 1;
myPropertyData.data.Pale15Loan = false;
myPropertyData.data.Pale15Bridge = false;
loadData();
}
}
function propertyOwner(e:Event = null){
if(activePlayer == 1){
MovieClip(root).stageProperties.propertyColor.color = (0xFF0000);
colorChange();
}else if(activePlayer == 2){
MovieClip(root).stageProperties.propertyColor.color = (0x0000FF);
colorChange();
}else if(activePlayer == 3){
MovieClip(root).stageProperties.propertyColor.color = (0x00FF00);
colorChange();
}else if(activePlayer == 4){
MovieClip(root).stageProperties.propertyColor.color = (0xFFFF00);
colorChange();
}
}
function colorChange (e:MouseEvent = null){
MovieClip(root).stageProperties.Pale15.transform.colorTransform = MovieClip(root).stageProperties.propertyColor;
}
我尽量保持代码的通用性,以便我可以复制和粘贴其他属性。目前,此属性可以根据活动的按钮进行购买、升级和向适当的玩家发放租金,以及告诉“属性显示”根据谁拥有什么来更改板上的颜色。>
注:我用AS3很长时间了,但没有受过正规培训,都是自学。我曾多次尝试了解“父/子/私人班/等”是如何工作的,但我无法理解。我想知道是否有更好的方法来做我想做的事情。
解决方法
好的,让我写一些脚本来解释什么是OOP-thinking。另外,我强烈建议您阅读并理解 MVC pattern 的概念,因为下面的脚本代表 [M] 和 [C] ,而 [V] 并不是很重要,只要您清楚应用程序的架构,以后添加它也不会太困难。
首先,让我们定义游戏板单元,玩家可以经过或访问的地方。
package
{
// A data [M]odel class.
public class Place
{
// What do we call this place.
public var title:String = "";
// A guest list.
public var visitors:Array = new Array;
// The Person class will be defined later.
public function visit(who:Person):void
{
// Add the guest to the list of visitors.
visitors.push(who);
}
public function leave(who:Person):void
{
// Remove the visitor and remove its location record.
var anIndex:int = visitors.indexOf(who);
visitors.splice(anIndex,1);
}
}
}
Person 类,以便它能够访问和离开地点。
package
{
// A data [M]odel class.
public class Person
{
// Personal name.
public var title:String = "";
// A place of residence.
public var stayingAt:Place;
}
}
为了将它们粘合在一起,我们需要一些控制器来允许人们从一个地方移动到另一个地方。这个想法是NEVER直接寻址[M]对象Person和Place,所以[ C] 下面的脚本可确保 人 始终正确离开和访问,不会停留超过 10 个地点等
package
{
// A [C]ontroller class.
public class City
{
// City name.
public var title:String = "";
public function move(who:Person,where:Place):void
{
// Remove the guest from where it is currently staying.
if (who.stayingAt)
{
who.stayingAt.leave(who);
who.stayingAt = null;
}
where.visit(who);
who.stayingAt = where;
}
}
}
现在,就垄断而言,建筑物是什么?它是一种地方,但具有更复杂的行为。那么一个玩家就是一个人,他有钱,可以拥有建筑蚂蚁轮流做事。
package
{
// A data [M]odel class.
public class Player extends Person
{
public var money:int;
public var color:uint;
public var turnsToAct:int;
// A list of owned buildings.
public var owns:Array = new Array;
// Charges money from the Player
// then returns how much was actually charged.
public function charge(value:int):int
{
var acharge:int = 0;
if (value <= 0)
{
// You cannot charge non-positive sums.
}
else if (money - value < 0)
{
// Bankruptcy handling block.
acharge = Math.max(0,money);
turnsToAct = 1000000;
money -= value;
}
else
{
acharge = value;
money -= value;
}
return acharge;
}
}
}
所以,建筑就像......
package
{
// A data [M]odel class.
public class Building extends Place
{
public var owner:Player;
public var color:uint;
public var cost:int;
public var rent:int;
public function purchase(who:Player):void
{
who.charge(cost);
owner = who;
color = owner.color;
}
// Building can take rent from a visiting Player.
// So,the "visit" method needs some additional behavior.
override public function visit(who:Person):void
{
// Invoke previously defined visit logic.
super.visit(who);
// If the Building is not owned,there's no rent.
// There's also no rent,if the owner visits.
if (!owner || who == owner) return;
// Person class does not have "charge" method. Read up "typecasting".
// The following one line is actually that HORRIBLE block
// of code named "paycostProperty" in your question.
owner.money += (who as Player).charge(rent);
// Seriously.
}
}
}
所以,还有一些事情要做(我越来越懒,不打算在这里编写整个大富翁的事情):
- 设计City.init()方法,使其创建玩家的有序列表、地点的有序列表和构建并将所有玩家移动到第一个单元格。
- 编写逻辑来控制回合和玩家的回合流程:掷骰子、移动、做出决定、完成回合。
- 设计[V]组件以显示玩家的统计数据、位置和建筑物所有可能的状态,城市,以可视化事物的整体状态。
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