gk::Ray Struct Reference

representation d'un rayon. More...

#include <Geometry.h>

List of all members.

Public Member Functions
	Ray (const Point &origin, const Vector &direction, const float start=RAY_EPSILON, const float end=HUGE_VAL)
	constructeur (origine, direction).
	Ray (const Point &origin, const Point &destination, const float start=RAY_EPSILON, const float end=1.f-RAY_EPSILON)
	constructeur (origine, destination).
Point	operator() (const float t) const
	construit le point a l'abscisse 't'.
bool	isBackward (const int axis) const
	renvoie vrai si la direction du rayon est < 0 pour l'axe 'axis'.
Public Attributes
Point	o
	origine.
Vector	d
	direction.
Vector	inv_d
	1 / direction.
unsigned char	sign_d [4]
	vrai (==1) si direction[i] < 0.
float	tmin
float	tmax
	intervalle valide le long du rayon.
float	dnear
float	radius
	< distance entre le centre de projection et l'origine du rayon.

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Detailed Description

representation d'un rayon.

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Member Data Documentation

float gk::Ray::radius

< distance entre le centre de projection et l'origine du rayon.

rayon du disque de meme surface que le pixel generateur du rayon.

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The documentation for this struct was generated from the following file:

• Geometry.h