From the course: Unreal Engine: Materials for Architectural Visualization

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Blending the normal maps

Blending the normal maps - Unreal Engine Tutorial

From the course: Unreal Engine: Materials for Architectural Visualization

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Blending the normal maps

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- [Instructor] Creating a normal map information that we want to use here will probably be the easiest part of this material. Even though, we do also want give the user the ability to switch the normal effect off when desired. Indeed, the simplest way to switch between having normal maps on or off, is to switch between two different normal map textures. One that contains a blank normal color and thus producing no visible effect and another that lets the user select any normal map of their choice. To do this, inside the Content Browser, if we come to the Material folder, we should see a bitmap that contains a flat, normal color. This will essentially, as mentioned, add no normal information to the material at all. And so let's drag and drop this into our metal materials graph. And then place it just under the normal map that we already have. We can add a switch node next and so after a click and drag from the texture sample node that contains our detailed normal map, we can type the…

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