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The Geometry Behind Normal Maps
Tangent space is often presented as a confusing block of shader math. This is a deep dive into what tangent vectors actually mean, how they emerge from UVs to bridge 2D and 3D space, and the geometry that makes normal mapping possible.
- Points
- 121
- HN comments
- 5
- Submissions
- 1
- Cited by
- 0 commenters
Games & GraphicsSoftware Engineering2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Nov 12, 2025 | The Geometry Behind Normal Maps by betamark | 121 | 5 |
