计算机专业毕业设计文献翻译--动作脚本(编辑修改稿)

计算机专业毕业设计文献翻译--动作脚本(编辑修改稿)内容摘要：

describe this set of mands . Timeline by player Flash Player 2: The first version with scripting support. Actions included gotoAndPlay, gotoAndStop, nextFrame and nextScene for timeline control. Flash Player 3: Expanded basic scripting support with the ability to load external SWFs (loadMovie). Flash Player 4: First player with a full scripting implementation (called Actions). The scripting was a flash based syntax and contained support for loops, conditionals, variables and other basic language constructs. 毕业设计外文翻译 Flash Player 5: Included the first version of ActionScript. Used prototypebased programming based on ECMAScript, and allowed full procedural programming and objectoriented programming. Flash Player 6: Added an event handling model, accessibility controls and support for switch. The first version with support for the AMF and RTMP protocols which allowed for ondemand audio/video streaming. Flash Player 7: Additions include CSS styling for text and support for ActionScript , a programming language based on the ECMAScript 4 Netscape Proposal with classbased inheritance. However, ActionScript can cross pile to ActionScript bytecode, so that it can run in Flash Player 6. Flash Player 8: Further extended ActionScript 1/ActionScript 2 by adding new class libraries with APIs for controlling bitmap data at runtime, file uploads and live filters for blur and dropshadow. Example of ActionScript running on Macromedia Flash Player 9 (initially called ): Added ActionScript with the advent of a new virtual machine, called AVM2 (ActionScript Virtual Machine 2), which coexists with the previous AVM1 needed to support legacy content. Performance increases were a major objective for this release of the player including a new JIT piler. Support for binary sockets, E4X XML parsing, fullscreen mode and Regular Expressions were added. This is the first release of the player to be titled Adobe Flash Player. Flash Player 10 (initially called Astro): Added basic 3D manipulation, such as rotating on the X, Y, and Z axis, and a 3D drawing API. Ability to create custom filters using Adobe Pixel Bender. Several visual processing tasks are now offloaded to the GPU which gives a noticeable decrease to rendering time for each frame, resulting in higher frame rates, especially with video. There is a new sound API which allows for custom creation of audio in flash, something that has never been possible before. [2] Timeline by ActionScript version 2020–2020: ActionScript With the release of Flash 5 in September 2020, the actions from Flash 4 were enhanced once more and named ActionScript for the first time.[3] This was the first version of ActionScript with influences from JavaScript and the ECMA262 (Third Edition) standard, supporting the said standard39。 s object model and many of its core data types. Local variables may be declared with the var statement, and userdefined functions with parameter passing and return values can also be create。