From the course: Unreal Engine: Global Illumination for Architectural Visualization
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How materials affect light baking - Unreal Engine Tutorial
From the course: Unreal Engine: Global Illumination for Architectural Visualization
How materials affect light baking
- [Instructor] Another aspect of a visualization project that can drastically affect the look of our lighting and one that we now want to take a closer look at would be the materials and textures that are applied to objects in the scene. Now, we say this because during the light baking or building process, the base color of a material directly affects the lighting solution being produced. Simply because darker colors naturally make it more difficult for light to bounce around an environment, with the good news here being that the opposite is also true in that bright or even mid value colors will make it easier to move our light around. This happens because Lightmass, like all good GI renderer's, takes into account the fact that in the real world, light in its most basic sense goes through one of three possible processes whenever it hits a surface, in that it either gets absorbed into said surface, reflected from it, or transmitted through it. Darker colors, of course, absorbing more…
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