rop.h File Reference

#include "base/Vec3.h"
#include "ray/ray.h"
#include <cmath>

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Functions
void	reflect (ray &r, const Vec3 &N)
	Reflect ray operation. More...
void	refract (ray &r, const Vec3 &N, double nr)
	Refract ray operation. More...

Function Documentation

reflect()

void reflect	(	ray &	r,
		const Vec3 &	N
	)

Reflect ray operation.

This applies a specular reflection to the orientation of ray r incident to a mirror with local normal vector N.

Parameters

r	The ray to apply the operation to. Modified in-place.
N	The normal vector of the reflective element.

This operation does not have error cases.

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refract()

void refract	(	ray &	r,
		const Vec3 &	N,
		double	nr
	)

Refract ray operation.

This applies a refraction to the orientation of ray r incident to a diopter with local normal vector N and relative index of refraction nr.

Parameters

r	The ray to apply the operation to. Modified in-place.
N	The normal vector of the diopter.
nr	The relative index of refraction of the diopter, \(n_r = n_1/n_2\) with \(n1\) and \(n2\) the refractive indices of the incident and exit media respectively.

Possible error: TIR.

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