Unity3D Texture Channel Packer Exporter

This package adds a new asset type to create texture from other existing textures by mixing in different channels. It allows to create packed Metallic/AO/Smoothness and any other kind of packed textures.

Use in Unity

Use the following url to add it to unity via package manager:

https://github.com/OCB7D2D/UnityTextureChannelPacker.git#upm@master

Use specific version

You may also use a specific version by specifying a release:

https://github.com/OCB7D2D/UnityTextureChannelPacker.git#upm@0.6.5

See https://github.com/OCB7D2D/UnityTextureChannelPacker/branches

Add as dependency to your unity project

If you want to add this exporter as a dependency to your project, you can either do that by using the package manager, or you could also just edit/create Packages/manifest.json with the following:

{
  "dependencies": {
    "ch.ocbnet.texturechannelpacker": "https://github.com/OCB7D2D/UnityTextureChannelPacker.git#upm@master",
  }
}

Asset Configuration in Unity

Once you have created the asset in any folder, you can start to configure it. You mainly need to select or drag&drop the source textures you want to use the different channels from.

Once you hit the Create/Update Packed Texture button, a png file with the same name as the asset will be created/updated. Feel free to adjust the options for this new texture in the texture importer options in unity, e.g. enable transparency.

To create a uniform normal texture, you may use this config: