vec2 Struct Reference

#include <vec2.h>

Static Public Member Functions
static vec2	vec2_add (vec2 a, vec2 b)
	{.x = a.x + b.x, .y = a.y + b.y}
static vec2	vec2_sub (vec2 a, vec2 b)
	{.x = a.x - b.x, .y = a.y - b.y}
static vec2	vec2_scale (vec2 a, float c)
	{.x = c * a.x, .y = c * a.y}
static vec2	vec2_perpendicular (vec2 v)
	{.x = -y, .y = x}
static norm2	vec2_normalize (vec2 v)
	Returns a vector of length 1. Returns the 0 vector for vectors of length VEC2_EPSILON and smaller.
static float	vec2_dot (vec2 a, vec2 b)
	Returns a scalar product of the two vectors.

Data Fields
float	x
float	y

Member Function Documentation

vec2_add()

static vec2 vec2_add ( vec2  a, vec2  b  )

static

{.x = a.x + b.x, .y = a.y + b.y}

vec2_dot()

static float vec2_dot ( vec2  a, vec2  b  )

static

Returns a scalar product of the two vectors.

vec2_normalize()

static norm2 vec2_normalize ( vec2  v )

static

Returns a vector of length 1. Returns the 0 vector for vectors of length VEC2_EPSILON and smaller.

vec2_perpendicular()

static vec2 vec2_perpendicular ( vec2  v )

static

{.x = -y, .y = x}

vec2_scale()

static vec2 vec2_scale ( vec2  a, float  c  )

static

{.x = c * a.x, .y = c * a.y}

vec2_sub()

static vec2 vec2_sub ( vec2  a, vec2  b  )

static

{.x = a.x - b.x, .y = a.y - b.y}

Field Documentation

x

float x

y

float y