Unigine::vec2 Struct

Vector of 2 float components.

To use this structure, include the UnigineMathLib.h file.

vec2 Class

Members

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vec2(const hvec2 & v)

Arguments

• const hvec2 & v

vec2()

Default constructor that produces a zero vector.

vec2(const vec2 & v)

Initialization by a vector.

Arguments

• const vec2 & v - The value of the vector.

vec2(float x, float y)

Initialization by scalars.

Arguments

• float x - X component of the vector.
• float y - Y component of the vector.

explicit vec2(float v)

Initialization by a scalar: x=v, y=v.

Arguments

• float v - The value of the vector.

explicit vec2(const vec3 & v)

Initialization by a four component vector: x=v.x, y=v.y.

Arguments

• const vec3 & v - The value of the vector.

explicit vec2(const vec4 & v)

Initialization by a four component vector: x=v.x, y=v.y.

Arguments

• const vec4 & v - The value of the vector.

explicit vec2(const dvec2 & v)

Initialization by a vector of double components.

Arguments

• const dvec2 & v - The value of the vector.

explicit vec2(const ivec2 & v)

Initialization by a vector of integer components.

Arguments

• const ivec2 & v - The value of the vector.

explicit vec2(const float * v)

Initialization by a pointer to the vector.

Arguments

• const float * v - Pointer to the vector.

void set(float x_, float y_)

Set vector.

Arguments

• float x_ - X component of the vector.
• float y_ - Y component of the vector.

void set(const float * val)

Set vector.

Arguments

• const float * val - Pointer to the vector.

void set(const vec2 & val)

Arguments

• const vec2 & val

void set(float val)

Arguments

• float val

void get(float * val) const

Get vector.

Arguments

• float * val - Pointer to the vector.

float * get()

Get a pointer to the vector.

Return value

Pointer to the vector.

const float * get() const

Get a constant pointer to the vector.

Return value

Pointer to the vector.

float length()

float length2()

vec2 & normalize()

vec2 & normalizeFast()

const float * operator const float *()

const void * operator const void *()

float * operator float *()

void * operator void *()

vec2 & operator*=(float val)

Scalar multiplication.

Arguments

• float val - The value of the scalar.

Return value

The resulting vector.

vec2 & operator*=(const vec2 & val)

Vector multiplication.

Arguments

• const vec2 & val - The value of the vector.

Return value

The resulting vector.

vec2 & operator+=(const vec2 & val)

Vector addition.

Arguments

• const vec2 & val - The value of the vector.

Return value

The resulting vector.

vec2 operator-() const

Vector negation.

Return value

The resulting vector.

vec2 & operator-=(const vec2 & val)

Vector subtraction.

Arguments

• const vec2 & val - The value of the vector.

Return value

The resulting vector.

vec2 & operator/=(const vec2 & val)

Arguments

• const vec2 & val

vec2 & operator/=(float val)

Arguments

• float val

vec2 & operator=(const vec2 & val)

Arguments

• const vec2 & val

float & operator[](int i)

Array access.

Arguments

• int i - Array item index.

Return value

The array item.

float operator[](int i) const

Constant array access.

Arguments

• int i - Array item index.

Return value

The array item.

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int EPS

int INF

int ONE

int ZERO