The Unity Debugger lets you inspect your code at runtime. For example, it can help you determine when a function is called and with which values. Furthermore, it allows you to look at the value of scripts' variables at a given time while running your game. You can locate bugs or logic problems in your scripts by executing them step by step.

Unity除錯，可以讓你在執行時檢查你的程式碼。例如，他可以幫助你確定某個函式被呼叫時的值。此外，他允許你在給定時間內同時執行你的遊戲觀看指令碼中變數的值。你可以通過執行這些步驟在指令碼中查詢bug或邏輯問題。

Unity uses the MonoDevelop IDE to debug the scripts in your game. You can debug all the languages supported by the engine (JavaScript, C#, and Boo).

Unity使用MonoDevelop IDE來除錯你遊戲中的指令碼。你可以除錯引擎（Javascript，C#和Boo）支援的所有語言。

Note that the debugger has to load all your code and all symbols, so bear in mind that this can have a small impact on the performance of your game during execution. Typically, this overhead is not large enough to affect the game framerate.

請注意：偵錯程式會載入你所有的程式碼和所有的符號，所以牢記，這在你遊戲執行的過程中會對遊戲的效能有一些小的影響。通常情況下，這種開銷不足以大到影響遊戲的幀率的。

MonoDevelop window debugging a script in unity.
MonoDevelop在Unity除錯指令碼的視窗。

Debugging in Unity.（在Unity中進行除錯）

On Windows, users must choose to install MonoDevelop as part of the Unity installation (selected by default).

在Windows上，使用者必須選擇MonoDevelop作為（預設情況下選中）Unity安裝的一部分。

• If you haven't used MonoDevelop with your project before, synchronize your MonoDevelop project. This will open your project inside MonoDevelop. 
  如果在你的專案之前沒有使用MonoDevelop，那麼同步你的MonoDevelop專案。這將會在你的MonoDevelop中開啟專案。

• Set the necessary breakpoints on your scripts by clicking the lines that you want to analyze. 
  通過單擊線在你的指令碼中對你想要分析的地方設定必要的斷點。

• Launch Unity or your player. 啟動Unity或者播放器
  • Unity: Ensure you have "Editor Attaching" checked in the Preferences window.（這裡已經改了）
    Unity：確保在Preferences視窗中勾選了Editor Attaching。在External Tools下面
  • Players: Ensure that you have built your player with the "Development build" and "Allow script debugging" options enabled. For webplayers, additionally check that the development release channel setting is enabled on the player's context menu (right click on Windows or cmd-click on Mac OSX)
    播放器：確保在你編譯播放器是啟用了"Development Build" 和"Allow Script debugging"。
  • 這一步很重要啊！！！這裡加個圖片！這個不設定的話，不能除錯的！！！
  • 
    
    
• Open your project in MonoDevelop. 
  在MonoDevelop中開啟專案。
• In MonoDevelop, click the Attach button in the toolbar, or choose Attach from the Run menu. 
  在MonoDevelop中單擊工具欄中的附加按鈕，或者選擇Run選單中的Attach。
• From the dialog that appears, choose the item you wish to debug. 
  從出現的對話方塊中，選擇你要除錯的專案。
• Notes: 注意：
  • Currently supported debugging targets: Unity editors, desktop standalone players, Android and iOS players 
    目前支援除錯的目標：Unity編輯器，桌面獨立播放器，Android和iOS播放器。
  • If your player is set not to run in the background (the default), you may need to focus your player for a few seconds in order for it to appear in the list. 
    如果播放器設定為不要在後臺執行（預設），你可能需要關注你的播放器幾秒，以便他出現在列表中。
  • Android and iOS players need to have networking enabled when script debugging is enabled. All players need to be on the same network subnet as the computer running MonoDevelop. 
    Android和iOS播放器在除錯指令碼時需要啟用網路。所有的播放器都需要執行在MonoDevelop的計算機相同網路的子網中。

• When you enter play mode, your script code will execute in the debugger. 
  當你按下播放模式，你的指令碼程式碼將會在偵錯程式中被執行。
• When a breakpoint occurs, script execution will stop, and you will be able to use MonoDevelop to step over, into, and out of your script methods, inspect your variables, examine the call stack, etc.
  當斷點發生時，停止執行指令碼，你可以使用MonoDevelop去單步除錯進出你指令碼中的方法，檢查變數，檢查堆疊等。
  • Note: When you're done debugging a toplevel method (e.g. Update()), or you just want to jump to the next breakpoint, you will experience better debugger performance by using the Continue command instead of stepping out or over the end of your function. 
    注意：當你除錯完一個頂層的方法（例如：Update（）），或者你只想跳到下一個斷點，你使用繼續命令而不是跨出或超過函式會讓你體會到更好的除錯效能。

• When you're done debugging, click the Detach or Stop buttons in the toolbar, or choose Detach or Stop from the Run menu. 
  當你完成除錯是，在工具欄上單擊"Detach"或"Stop"按鈕，或者從Run選單中選擇 "Detach"或 "Stop"。

Hints. 提示

• If you add a watch to the this object, you can inspect the internal values (position, scale, rotation...) of the GameObject to which the script is attached. 
  如果你新增物件到監視時，你可以檢查該物件上指令碼中內部的值（位置，縮放，旋轉。。。）。

iOS remote debugging instructions
iOS遠端除錯的說明

In addition to the instructions described above, Unity iOS applications require some additional steps for successful debugging:

除以上所述介紹，Unity中的iOS應用程式要成功除錯，還需要一些附加的步驟：

1. Attach your iDevice to your WiFi network (the same requirement as for remote profiling). 
   將你的iDevice附加到你的WiFi網路（對於遠端評測有相同的要求）。
2. Hit build & run in the Unity editor. 
   在Unity編輯器中點選 build&run。
3. When the application builds, installs& launches via Xcode, click Stop in Xcode. 
   當應用程式生成，安裝以及通過Xcode啟動，在Xcode中單擊停止。
4. Manually find & launch your application on your iDevice. (Note: if the application is launched via Xcode you won't be able to resume after reaching a breakpoint). 
   在iDevice中手動查詢和啟動應用程式。（注意：如果應用程式時候通過Xcode啟動的，在到達斷點之後你將無法恢復。）
5. When the app is running on the device, switch to MonoDevelop and click on the attach icon in the debugging toolbar. Select your device from the available instances list (if there are several instances shown, then select the bottom one). 
   當應用程式執行在裝置上時，切換到MonoDevelop，並單擊除錯工具欄中的連線圖示。從可用例項列表中選擇你的裝置（如果顯示有幾個例項，選擇底部的那個）。