![]() ![]() Technically, any channel of any texture can be thought of and used as a texture mask. This is a good way to make use of unused channels and keep the number of textures being sampled in the Material to a minimum. ![]() Quite often, a mask will be contained within a single channel of another texture, such as the Alpha Channel of the Diffuse or Normal map. ![]() In the following How-to, we will cover how you can use Texture Masking inside of your Unreal Engine 4 (UE4) Materials.Ī Texture Mask is a grayscale texture, or a single channel (R, G, B, or A) of a texture, used to limit the area of an effect inside of a Material. When creating 3D assets, you might find that you need the ability to define different surfaces types within the same Material.Ī simple and cheap way to achieve this is to use a Texture Mask that defines which surface should be affected by which section of the Material. ![]()
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