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Lecture 7: Intro to Geometry, Splines, and Bezier Curves (22)

Non-orthogonal tangents are used for smoother and more accurate shading of surfaces, particularly in the context of normal mapping. By using non-orthogonals, the direction of surface normals can be more precisely defined, resulting in more detailed and realistic surface shading. Often used in games and real-time applications for efficiency and quality.

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