What Is Editor Scripting?


Angela Bailey

What Is Editor Scripting?

Editor scripting is a powerful feature in Unity that allows you to extend the editor’s functionality by writing custom scripts. With editor scripting, you can automate repetitive tasks, create custom tools, and enhance the overall workflow of game development.

Why Use Editor Scripting?

Editor scripting serves as a bridge between the Unity engine and the developer. It empowers developers to build their own tools and workflows specific to their project requirements. Here are a few reasons why you should consider using editor scripting:

  • Automation: With editor scripting, you can automate repetitive tasks such as importing assets, setting up scenes, or generating code snippets. This saves time and reduces human error.
  • Customization: The default Unity editor provides a range of functionalities, but it may not always cater to your specific needs.

    By creating custom editors or inspectors, you can tailor the interface and enhance the usability of your tools.

  • Productivity: Editor scripting helps streamline your workflow by providing shortcuts and automating complex processes. This allows you to focus more on actual game development rather than spending time on mundane tasks.

The Basics of Editor Scripting

To start with editor scripting in Unity, you need to have a basic understanding of C# programming language and familiarity with the Unity engine. Here are some key concepts you should know:

  • Editor Classes: Unity provides various built-in classes like EditorWindow, Editor, PropertyDrawer, etc., which serve as base classes for creating custom editors or inspectors.
  • GUILayout: GUILayout is a set of GUI functions that allow you to create user interfaces within the editor window. It provides a simple and intuitive way to arrange controls such as buttons, labels, and sliders.
  • Serialized Properties: Serialized properties are used to access and modify serialized data of an object. They allow you to create custom inspector layouts and handle user input.

Creating a Custom Editor

To create a custom editor, you need to derive your script from the Editor class. Let’s say you have a script called MyScript attached to a game object. Here’s an example of how you can create a custom editor for it:

using UnityEditor;
using UnityEngine;

public class MyScriptEditor : Editor
    public override void OnInspectorGUI()
        MyScript myScript = (MyScript)target;
        // Custom inspector GUI code here
        if (GUILayout.Button("Custom Button"))
            // Custom button functionality here

In this example, we create a custom editor called MyScriptEditor for the MyScript component. The OnInspectorGUI() method is overridden to define the custom inspector layout. Here, you can add various GUI controls like buttons, labels, sliders, etc., and handle their events.

Creating Custom Tools

Editor scripting also allows you to create custom tools that extend beyond the inspector window. You can build your own menu items, toolbar buttons, or context menu options. This gives you complete control over the Unity editor interface.

To create a custom tool in Unity, you need to use attributes like MenuItem or ContextMenu along with scripting concepts like event handling and GUI layout functions.


Editor scripting is an essential aspect of Unity game development that enables you to extend the editor’s functionality and create custom tools. By automating tasks, customizing the interface, and improving productivity, editor scripting empowers developers to streamline their workflow and focus on game development. With a basic understanding of C# programming and Unity’s built-in editor classes, you can dive into the world of editor scripting and unlock new possibilities for your projects.

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