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In this episode, we'll look at how normal vectors can be tweaked per-pixel in order to make the surfaces to appear having finer geometric details. This technique is known as tangent-space normal mapping, and in today's video we're going to implement the tangent-space part which we'll be using in the next video for normal mapping.
🟥(Red Episode)

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00:00 - intro

Further reading:
Tangent-space calculation: https://www.cs.upc.edu/~virtual/G/1.%...
Physically Based Rendering: https://pbr-book.org/4ed/Shapes/Trian...

by Arash Khatami
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#PrimalEngine #GameEngineSeries #GameEngineProgramming #TheGameEngineProgrammingSeries