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harfang3d/doc/doc/Refract.md
HARFANG 3D (admin) 41ae735ab8 Official 3.0.0 release source code.
2021-10-13 14:40:31 +02:00

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Return the input vector refracted around the provided surface normal.

  • k_in: IOR of the medium the vector is exiting.
  • k_out: IOR of the medium the vector is entering.