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vec4_c Class Reference

4d vector class

#include <vector4.h>

Public Methods
	vec4_c ()
	standard constructor
	vec4_c (const vec4_c &)
	copy constructor
	vec4_c (const vec4_t)
	vector from vec4_t
	vec4_c (float, float, float, float)
	vector from floats
virtual	~vec4_c ()
	destructor
	operator const float * ()
	floats from vector
void	set (float x, float y, float z, float w)
	set vector coordinates
void	clear ()
	clear vector
float	length ()
float	length_squared ()
vec4_c	operator- (const vec4_t)
	subtract vectors
vec4_c	operator * (float)
	add vectors
vec4_c	operator * (const vec4_t)
	scale by vector
vec4_c	operator= (const vec4_t)
	assignment
bool	operator== (const vec4_t)
	comparison
vec4_c	ma (const vec_t s, const vec4_t vb)
vec4_c	ma_vec (const vec4_t s, const vec4_t vb)
	add vectors scaled
float	dot (const vec4_t v)
	create dot product
Static Public Methods
vec4_c	hermite (const vec4_t p1, const vec4_t t1, const vec4_t p2, const vec4_t t2, const float frac)
vec4_c	linear (const vec4_t p1, const vec4_t p2, const float frac)
Protected Attributes
vec4_t	vec
	the data

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Member Function Documentation

vec4_c hermite (  const vec4_t    p1, const vec4_t    t1, const vec4_t    p2, const vec4_t    t2, const float    frac )  [static]

hermite interpolation Interpolates between two vectors using hermite interpolation. Parameters: p1  point 1 t1  tangent 1 p2  point 2 t2  tangent 2 frac  fraction Definition at line 218 of file m_vector4.cpp. References set_component(), and vec4_t.

float length (    )

determine the length of a vector Returns the distance of this vector from the origin / the length of this vector.(|v|) Definition at line 104 of file m_vector4.cpp. References vec, VECT_W, VECT_X, VECT_Y, and VECT_Z.

float length_squared (    )

determine the length of a vector Returns the distance of this vector from the origin / the length of this vector.(|v|^2) Definition at line 114 of file m_vector4.cpp. References vec, VECT_W, VECT_X, VECT_Y, and VECT_Z.

vec4_c linear (  const vec4_t    p1, const vec4_t    p2, const float    frac )  [static]

linear interpolation Interpolates between two vectors using linear interpolation. Parameters: p1  point 1 p2  point 2 frac  fraction Definition at line 198 of file m_vector4.cpp. References _interpolate_float_linear(), set_component(), and vec4_t. Referenced by color_interpolate().

vec4_c ma (  const vec_t    s, const vec4_t    vb )

add two vectors scaled Scales vb by s, adds it and returns the result Parameters: s  scale v  input vector Definition at line 169 of file m_vector4.cpp. References vec4_c(), vec4_t, and vec_t. Referenced by landscape_c::prelight().

vec4_c ma_vec (  const vec4_t    s, const vec4_t    vb )

Parameters: s  scale v  input vector Definition at line 174 of file m_vector4.cpp. References vec4_c(), and vec4_t.

void set (  float    x, float    y, float    z, float    w )

Parameters: x  coordinates Definition at line 86 of file m_vector4.cpp. References vec. Referenced by clear(), particle_type_c::particle_type_c(), and vec4_c().

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

• vector4.h
• m_vector4.cpp

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