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ID:240249
大小:48.50 KB
页数:7页
时间:2017-07-12
《ActionScript 3.0概述 毕业论文外文翻译》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、信息工程学院Flash游戏制作——《雷电游戏》英文原文ActionScript3.0ActionScript3.0isapowerful,object-orientedprogramminglanguagethatsignifiesanimportantstepintheevolutionofthecapabilitiesoftheFlashPlayerruntime.ThemotivationdrivingActionScript3.0istocreatealanguageideallysuitedforrapidlybuildingrichInternetapplicati
2、ons,whichhavebecomeanessentialpartofthewebexperience.EarlierversionsofActionScriptofferedthepowerandflexibilityrequiredforcreatingtrulyengagingonlineexperiences.ActionScript3.0nowfurtheradvancesthelanguage,providingsuperbperformanceandeaseofdevelopmenttofacilitatehighlycomplexapplications,la
3、rgedatasets,andobject-oriented,reusablecodebases.WithActionScript3.0,developerscanachieveexcellentproductivityandperformancewithcontentandapplicationsthattargetFlashPlayer.ActionScript3.0isbasedonECMAScript,theinternationalstandardizedprogramminglanguageforscripting.ActionScript3.0iscomplian
4、twiththeECMAScriptLanguageSpecification,ThirdEdition.ItalsocontainsfunctionalitybasedonongoingworkonECMAScriptEdition4,occurringwithintheECMAstandardsbody.ActionScriptisexecutedbytheActionScriptVirtualMachine(AVM)builtintotheFlashPlayer.AVM1,thevirtualmachineusedtoexecutelegacyActionScriptco
5、de,powersFlashPlayertodayandmakespossibleawiderangeofinteractivemediaandrichInternetapplications.However,developershavestartedtopushAVM1toitslimits;theirprojectrequirementsnowdemandamajorbreakthrough.ActionScript3.0introducesanewhighlyoptimizedActionScriptVirtualMachine,AVM2,whichdramaticall
6、yexceedstheperformancepossiblewithAVM1.Asaresult,ActionScript3.0codeexecutesupto10timesfasterthanlegacyActionScriptcode.ThenewAVM2virtualmachineisavailableinFlashPlayer9,andwillbetheprimaryvirtualmachineforActionScriptexecutiongoingforward.TheolderAVM1willcontinuetobesupportedbyFlashPlayerfo
7、rbackwardscompatibilitywithexistingandlegacycontent.TherearenumerousproductsthatgeneratecontentandapplicationstargetedattheFlashPlayerruntime.OftentheseproductsincorporatesupportforActionScripttoaddinteractivityandbehaviortotheiroutput.Inthe第7页共7页信
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