Finalizing the Asset
This doc goes into any remaining considerations to make when using Tileable Textures...
Combining Metallic and Smoothness
As Unity is the target platform using the Standard Material, the Smoothness and Metallic textures need to be combined into one texture.
Metallic is applied to the Red Channel and Smoothness is applied to the Alpha Channel.
The best image format is PNG as it supports an Alpha channel.
Palette Texturing Techniques
If making a single asset such as a crate you could utilise Palette Texturing Approaches to take the asset further without needing a second material, although this depends on the texture you are using if the colors you would like to use are available.
Moving On
Tileable textures can be very limiting to use one material type to one asset, and is only useful for very specific situations such as large areas in an environment.
In the next category, we will be looking at how we can get multiple textures into one material in order to have a very efficient, but also very flexible, approach to Asset Creation.
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