In this article, we'll explain how to edit Hair Materials, which determine color and texture for hair items.
Table of Contents
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Editing Material Texture
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Adjusting Hair Bumpiness
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What are Hair Materials?
Materials determine hair texture and the way light reflects on it.
When you create new hair on VRoid Studio, each chunk of hair comes with one material. The texture and reflection set in this material will determine the final look of that hair.
On hair materials, you can set Main and Highlight textures, and to each their respective colors (Main and Highlight Color) and Outline Color. All these combined will give you the final look.
If you want all of your model's hair parts to have the same look, try applying the same material to each part.
If you create a secondary material to apply to certain hair groups only, you can create some sophisticated looks like meshes and highlights.
Changing Materials' Colors
Open the Hairstyle tab and select a hair item.
Click on "Edit Hairstyle" on the right-hand panel, and the hairstyle editor will open.
Then, select a hair group or a chunk of hair from the list on the left-hand panel.
The material for the selected hair will display on the right-hand panel. Click on the triangle-like icon on the left of the material's name to display each color and texture.
As the name suggests, Main Color is the dominating color in the group of hair. Highlight Color indicates the color overlaying to the main one where the light is supposed to hit, and Outline Color is the color of the hair's contour.
If you change one color here, the same edit will apply to each hair with that same material.
Changing Colors for Certain Hair Only
If you want to have just some hair colored differently, you will need to create a different material (with different colors) and apply that to the hair you wish to edit.
To do so, first you will have to select the hair you wish to "dye" a different color.
Then, click the + button on the right of the material's name, and create a new material.
Select the new material, and it will apply to the selected hair.
Editing Materials
While selecting the material you wish to edit, click on "Edit Texture".
If you check the "Apply color when editing" box, you can start editing the texture maintaining the same colors.
If you start editing with the "Apply color when editing" box unchecked, Main and Highlight colors will be printed onto each (Base and Highlights) texture.
When editing a material, you can edit its texture, hair bumpiness, and adjust colors. All these components will influence the overall look.
Editing Material Texture
A material's texture is divided into 2 sections: Base and Highlights. Base is the main texture, while Highlights is the one that applies where the light is supposed to hit. These textures are two different images.
Select a preset item, check the "Apply color when editing" box, and click on "Edit Texture". Base and Highlights textures will display like the image below.
The texture for this material was created with grayscale and the colors indicated on Color Calibration are overlaying the Main and Highlights textures.
If you uncheck the Color Calibration box, the colors won't apply to the texture and you'll be able to see the texture image and colors as they are originally.
If you want more information about how color calibration for hair materials work, please see the article below.
I want to know more about Color Calibration
For more information on how to use the texture editor, see the article below.
Adjusting Hair Bumpiness
This parameter determines the intensity of the bumpiness for hair with this material applied, and how three-dimensional its surface looks.
Setting the value closer to 0 will result in the hair surface looking more flat.
In the image below, Hair Group Bumpiness is 1.000
In the image below, Hair Group Bumpiness is 0.000
