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Reflection and Refraction Formulas

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Abstract

Surfaces reflect. Glass, water, and similar materials both reflect and refract. The reflection and refraction formulas are at the heart of ray tracing. These are not easy to find in the literature in the vector forms needed for generating rays. This chapter is a reference for determining outgoing ray directions under simplified, ideal conditions.

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Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits any noncommercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if you modified the licensed material. You do not have permission under this license to share adapted material derived from this chapter or parts of it.

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Haines, E. (2021). Reflection and Refraction Formulas. In: Marrs, A., Shirley, P., Wald, I. (eds) Ray Tracing Gems II. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-7185-8_8

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