vec3 Class Reference

3D double vector More...

#include <glslmath.h>

Public Member Functions
	vec3 ()
	default constructor
	vec3 (const vec3 &v)
	copy constructor
	vec3 (const vec2 &v, const double vz=0.0)
	copy constructor
	vec3 (const double vx, const double vy, const double vz)
	component-wise constructor
	vec3 (const double v)
	single-component constructor
	operator vec2 () const
	cast operator
const double *	c_ptr () const
	const pointer to linear array
	operator const double * () const
	cast operator to linear array
vec3 &	operator+= (const vec3 &v)
	inplace addition
vec3 &	operator-= (const vec3 &v)
	inplace subtraction
vec3 &	operator*= (double v)
	inplace multiplication
vec3 &	operator*= (const vec3 &v)
	inplace multiplication
double	length () const
	get vector length
double	norm () const
	get squared vector length
vec3	normalize () const
	normalize vector to unit length More...
double	dot (const vec3 &v) const
	inner product
vec3	cross (const vec3 &v) const
	cross product (0,0,-1)/(-1,0,0)=(0,1,0)
vec3	reflect (const vec3 &n) const
	reflect incidental vector at normalized surface normal
bool	approx (const vec3 &v, const double e=1E-10) const
	test for approximate equality
vec2	xy () const
	swizzeling operator
vec3	zyx () const
	swizzeling operator
vec3	bgr () const
	swizzeling operator
vec3	blend (const vec3 &rgb, double alpha) const
	blending operator
	operator std::string ()
	string cast operator
std::string	to_string (std::string delimiter=", ", int space=0)
	conversion to string

Static Public Member Functions
static vec3	normal (const vec3 &a, const vec3 &b, const vec3 &c)
	calculate triangle normal
static double	area (const vec3 &a, const vec3 &b, const vec3 &c)
	calculate triangle area

Public Attributes
union {
};
	vector components

Detailed Description

3D double vector

• definition of components via constructor vec3(x,y,z)
• access to components x/y/z via . component selector
• supplies vector operators + - * dot and cross product
• supplies getters for length and normalization

Member Function Documentation

normalize()

vec3 vec3::normalize ( ) const

inline

normalize vector to unit length

normalization to unit length

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

• glslmath.h