What is an editor script?

Learn to write Unity-specific tools with an Editor class.

Editor Scripts and the UnityEditor Namespace

To write developer tools that run directly inside the editor itself rather than during gameplay, the UnityEditor namespace is used. These scripts are placed inside special project folders named Editor so they are stripped when compiling final game builds.

using UnityEditor;
using UnityEngine;

// Code inside Editor folders runs only during development

The Editor Class and Custom Tools

Unity's base Editor class is extended to control editor-side behaviors of components or objects. Developers author level generation tools, batch asset processors, or custom debugging utilities using this foundation.

// Editor tools automate development workflows
Debug.Log("Editor tool executed");

Exercise Verify Editor Mode

Check if (Editor.isEditor) and if true, print Debug.Log("Editor modu aktif");.

Show example solution

using System;

public static class Editor
{
    public static bool isEditor = true;
}

public static class Debug
{
    public static void Log(object message) => Console.WriteLine(message);
}

public class Program
{
    public static void Main()
    {
        if (Editor.isEditor)
        {
            Debug.Log("Editor modu aktif");
        }
    }
}

Test yourself

In Unity, which special folder must editor scripts be placed inside so they are excluded from the game build and only run in the development environment?
- Plugins
- Resources
- Editor
- StreamingAssets
Show answer

Editor — Scripts located inside folders named Editor are excluded from game builds and only execute in the Unity editor.
UnityEditor Namespace
```
using ____;
```
Show answer
```
using UnityEditor;
```
Editor Basics Matching

UnityEditor

Namespace with editor classes and tools
Editor klasörü

Folder for editor-only scripts
Editor sınıfı

Base class for custom editor behaviors
Build

Game build excluding editor scripts

Next lesson: EditorWindow

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