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refractive index

Last updated: April 30, 2020

Determines how far a light ray is bent when it travels through a material. The higher the value the more distorted the refracted items become. For instance, a value of 1.0 is equivalent to light travelling through a vacuum and does not bend the rays at all. Increasing the value to 1.333 approximates the amount of distortion that occurs when light travels through water. This setting requires the surface have some amount of transparency active.