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vec2_c Class Reference

2d vector class

#include <vector2.h>

Public Methods
	vec2_c ()
	standard constructor
	vec2_c (const vec2_c &)
	copy constructor
	vec2_c (const vec2_t)
	vector from vec2_t
	vec2_c (float, float)
	vector from floats
virtual	~vec2_c ()
	destructor
	operator const float * ()
	floats from vector
void	set (float x, float y)
	set vector coordinates
void	clear ()
	clear vector
float	length ()
float	length_squared ()
vec2_c	operator- (const vec2_t)
	subtract vectors
vec2_c	operator * (float)
	add vectors
vec2_c	operator * (const vec2_t)
	scale by vector
vec2_c	operator= (const vec2_t)
	assignment
bool	operator== (const vec2_t)
	comparison
vec2_c	ma (const vec_t s, const vec2_t vb)
vec2_c	ma_vec (const vec2_t s, const vec2_t vb)
	add vectors scaled
vec2_c	cross (const vec2_t v)
	create cross product
float	dot (const vec2_t v)
	create dot product
vec2_c	rotate (const vec_t angle)
	rotate a vector
vec2_c	perpendicular ()
Static Public Methods
vec2_c	hermite (const vec2_t p1, const vec2_t t1, const vec2_t p2, const vec2_t t2, const float frac)
vec2_c	linear (const vec2_t p1, const vec2_t p2, const float frac)
Protected Attributes
vec2_t	vec
	the data

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Member Function Documentation

vec2_c hermite (  const vec2_t    p1, const vec2_t    t1, const vec2_t    p2, const vec2_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 228 of file m_vector2.cpp. References set_component(), and vec2_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 100 of file m_vector2.cpp. References vec, VECT_X, and VECT_Y.

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 107 of file m_vector2.cpp. References vec, VECT_X, and VECT_Y.

vec2_c linear (  const vec2_t    p1, const vec2_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 208 of file m_vector2.cpp. References _interpolate_float_linear(), set_component(), and vec2_t. Referenced by brushface_c::cut(), kmf_c::set_frame(), and particle_type_c::update().

vec2_c ma (  const vec_t    s, const vec2_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 159 of file m_vector2.cpp. References vec2_c(), vec2_t, and vec_t.

vec2_c ma_vec (  const vec2_t    s, const vec2_t    vb )

Parameters: s  scale v  input vector Definition at line 164 of file m_vector2.cpp. References vec2_c(), and vec2_t.

vec2_c perpendicular (    )

get a perpendicular vector Gets a vector that is perpendicular to the input vector.

vec2_c rotate (  const vec_t    angle )

Parameters: angle  angle Definition at line 186 of file m_vector2.cpp. References DEG2RAD, vec2_t, and vec_t.

void set (  float    x, float    y )

Parameters: x  coordinates Definition at line 84 of file m_vector2.cpp. References vec. Referenced by clear(), particle_type_c::particle_type_c(), and vec2_c().

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

• vector2.h
• m_vector2.cpp

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