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When working with 2D sprites in Unity, you often need to set the Sprite Mode to Single. However, Unity sometimes defaults to Multiple, requiring manual adjustment each time you import a sprite. This article will guide you through setting Single Mode as the default for all imported sprites, ensuring a smoother workflow.

Why Set Sprite Mode to Single by Default?

By default, Unity may assign Multiple Mode to some sprite imports, particularly if the sprite sheet contains multiple images. If you frequently work with Single sprites (individual images rather than sprite sheets), manually changing this setting every time can be tedious. Automating this process can:

• Save time by reducing repetitive tasks.
• Ensure consistency across your project.
• Prevent errors caused by incorrect sprite mode settings.

Method 1: Using an Editor Script

Unity allows us to automate import settings using Editor Scripts. We can create a script that automatically sets all imported sprites to Single Mode.

Step 1: Create an Editor Script

1. Open your Unity project.
2. Navigate to Assets.
3. Create a new folder named Editor (if it doesn’t already exist).
4. Inside the Editor folder, create a new C# Script and name it SetSpriteImportSettings.cs.

Step 2: Add the Following Code

Step 3: Save and Test

Once you've saved the script:

1. Import a new sprite into Unity.
2. Check the Inspector Panel.
3. The Sprite Mode should be set to Single by default.

This script automatically applies Single Mode to every new sprite you import. It ensures that you no longer need to manually adjust the setting for each sprite.

Method 2: Manually Setting Sprite Mode

If you prefer not to use an automated script, you can manually change sprite settings for each imported texture:

1. Import the sprite into Unity.
2. Select the sprite in the Project window.
3. In the Inspector, locate the Texture Type.
4. Ensure Texture Type is set to Sprite (2D and UI).
5. Change Sprite Mode to Single.
6. Click Apply.

While this method works, it becomes repetitive and inefficient if you import a lot of sprites.

Alternative: Creating a Custom Import Preset

If you want custom settings for all imported sprites, another approach is to create a Texture Import Preset:

1. Import a sprite and configure it manually in the Inspector.
2. In the Inspector, click the three dots (...) at the top-right.
3. Select Create Preset.
4. Save it as SpriteImportPreset.
5. Go to Edit > Project Settings > Preset Manager.
6. Assign your new preset to TextureImporter.

This method applies your preset settings, including Single Mode, to all future sprite imports.

Conclusion

By using an Editor Script, you can ensure that all imported sprites are automatically set to Single Mode, saving time and maintaining consistency. If you prefer a non-script solution, you can manually adjust settings or use import presets.

This approach is particularly useful for large-scale 2D projects where frequent sprite imports occur. Try it out and streamline your Unity workflow today!