本软件是由unity机构出品的Unity3D游戏开发引擎软件V5.5.1P3 Mac版，大小：1.1 GB，支持Mac系统，语言：英语。

Unity是由Unity Technologies开发的一个让玩家轻松创建诸如三维视频游戏、建筑可视化、实时三维动画等类型互动内容的多平台的综合型游戏开发工具，是一个全面整合的专业游戏引擎。Unity类似于Director,Blender game engine, Virtools 或 Torque Game Builder等利用交互的图型化开发环境为首要方式的软件其编辑器运行在Windows 和Mac OS X下，可发布游戏至Windows、Mac、Wii、iPhone、Windows phone 8和Android平台。也可以利用Unity web player插件发布网页游戏，支持Mac和Windows的网页浏览。它的网页播放器也被Mac widgets所支持。

Unity3D是一个让你轻松创作的多平台的游戏开发工具，是一个全面整合的专业游戏引擎，从一开始就被设计成易于使用的产品。作为一个完全集成的专业级应用，Unity还包含了价值数百万美元的功能强大的游戏引擎。Unity 4作为一个游戏开发工具，它的设计主旨就是让你能够创建令人惊讶的游戏。如果你之前尝试过Unity，请查看Unity 3都做了哪些更新。如果你是第一次尝试，那就好好看看吧，看Unity都能为你带来什么。Unity作为一种开发环境，可让你脱离传统的游戏开发方式，以一种更简单的方式专注于你的游戏开发。开发网络游戏、移动游戏、单机游戏，Unity都能完全胜任。

UNITY PRO 5.5.1P3 MAC

Fixes

(782183) – Android: Fixed a crash when doing simultaneous SceneManager.LoadSceneAsync and Resources.Load.

(863528) – Android: Fixed splash screen flicker and artifacts.

(836697) – Android: Identified unaccounted spikes in profiler.

(none) – Android: Improved asynchronous loading time when showing splash screen.

(845762, 841092) – Asset Bundles: Fixed loading asset by file name and extension to work identical to loading by file name.

(874677) – Cache Server: Can now handle paths with spaces on Mac when calling RunOSX.command with the –path argument. Paths with spaces must be within quotes.

(858923) – Cache Server: Displays a warning in the Cache Server Editor Preferences when the Local Cache Server location cannot be reached (e.g. on a disconnected disk).

(790345) – Editor: Fixed an issue whereby new installed Unity would report timeout error in commandline activation.

(859819) – Graphics: DrawProcedural draws geometry only in the left eye when Single Pass is enabled

(850327, 851586) – HoloLens: Fixed an issue with InputField automatically getting activated for text entry as soon as you gaze at it.

(none) – HoloLens: Prevented a potential memory stomps in very rare repro cases when resuming from suspend.

(none) – IL2CPP: Fixed a rare crash in IL2CPP on some Visual Studio installation setups with message “Unhandled Exception: System.InvalidOperationException: Builder is unable to build using selected toolchain (MsvcDesktopToolChain) or architecture (Unity.IL2CPP.Building.x64Architecture)!”

(874838) – IL2CPP: Fixed a compile error related to missing header when compiling code using SizeOf IL opcode.

(870810) – IL2CPP: Fixed an issue with race condition of the monitor implementation of IL2CPP that could cause a crash.

(none) – IL2CPP: Fixed System.IO.WindowsRuntimeStreamExtensions class not being present in System.Runtime.WindowsRuntime.dll.

(869099) – iOS: Don’t indicate that microphone and camera is used when it isn’t.

(862754) – iOS: Fixed UnityRepaint crash due to internal inconsistency error.

(850430) – iOS: Fixed a bug that would prevent the text field input caret from updating when the virtual left and right arrow keys were pressed.

(869305) – iOS: Fixed a crash with advertisingIdentifier in iOS Simulator.

(869283) – iOS: Fixed inability to change Launch Screen Mode in Player Settings.

(739557) – OS X: Added a fix to hide the ‘Picture in Picture’ button in the movie player when played using Handheld.PlayFullScreenMovie.

(853996, 845817) – Particles: Fixed an issue with allowing circular references in sub emitters.

(778213) – Particles: Fixed the issue of color not being updated correctly when material properties were changed when using shape module.

(844815) – Particles: Fixed the issue of distance emission not working when scale was not 1 and using hierarchy scaling mode.

(858243) – Particles: Fixed an issue whereby particle trails were reusing old position data when emitted by script.

(none) – Physics 2D: Ensure all 2D physics profile items provide an object reference.

(863939) – Physics 2D: Fixed an issue of rendering CapsuleCollider2D with very small sizes.

(873587) – Playables: Fixed blending of AnimatorControllerPlayable not working properly.

(819887) – Scripting: Fixed a deadlock when debugging in MonoDevelop.

(none) – Windows Store: Fixed IL2CPP not finding tools from Windows SDK directory in some installation setups.

(862914) – Windows Store: Fixed build & run failing on windows phone 10 with IL2CPP scripting backend.

(858579) – Windows Store: Fixed the folder Structure missing from Assembly-CSharp.csproj.

(855595) – Windows Store: Fixed player pref corruption on power loss.

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