vec4 Class Reference

4D double vector More...

#include <glslmath.h>

Public Member Functions
	vec4 ()
	default constructor
	vec4 (const vec4 &v)
	copy constructor
	vec4 (const vec3 &v, const double vw=1.0)
	copy constructor
	vec4 (const vec2 &v, const double vz=0.0, const double vw=1.0)
	copy constructor
	vec4 (const vec2 &xy, const vec2 &zw)
	copy constructor
	vec4 (const double vx, const double vy, const double vz, const double vw=1.0)
	component-wise constructor
	vec4 (const double v, const double vw=1.0)
	single-component constructor
	operator vec3 () const
	cast operator with homogenization
const double *	c_ptr () const
	const pointer to linear array
	operator const double * () const
	cast operator to linear array
vec4 &	operator+= (const vec4 &v)
	inplace addition
vec4 &	operator-= (const vec4 &v)
	inplace subtraction
vec4 &	operator*= (double v)
	inplace multiplication
vec4 &	operator*= (const vec4 &v)
	inplace multiplication
double	length () const
	get vector length
double	norm () const
	get squared vector length
vec4	normalize () const
	normalize vector to unit length More...
double	dot (const vec4 &v) const
	inner product
vec4	cross (const vec4 &v) const
	cross product (0,0,-1,0)/(-1,0,0,0)=(0,1,0,0)
vec4	reflect (const vec4 &n) const
	reflect incident vector at normalized surface normal
bool	approx (const vec4 &v, const double e=1E-10) const
	test for approximate equality
vec2	xy () const
	swizzeling operator
vec2	zw () const
	swizzeling operator
vec3	xyz () const
	swizzeling operator
vec3	rgb () const
	swizzeling operator
vec4	wzyx () const
	swizzeling operator
vec4	bgra () const
	swizzeling operator
vec4	blend (const vec4 &rgba) 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 vec4	normal (const vec4 &a, const vec4 &b, const vec4 &c)
	calculate triangle normal
static double	area (const vec4 &a, const vec4 &b, const vec4 &c)
	calculate triangle area

Public Attributes
union {
};
	vector components

Detailed Description

4D double vector

• definition of components via constructor vec4(x,y,z,w)
• access to components x/y/z/w via . component selector
• supplies vector operators + - * and dot product
• supplies getter for length

Member Function Documentation

normalize()

vec4 vec4::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