Unigine.Unigine::dvec3 Struct

This class represents a vector of 3 double components.

dvec3 Class

Members

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dvec3()

Default constructor. Produces a zero vector.

dvec3(const dvec3 & v)

Constructor. Initializes the vector by copying a given source vector.

Arguments

• const dvec3 & v - Source vector.

dvec3(const dvec2 & v, double z)

Constructor. Initializes the vector using given two-component dvec2 source vector and a scalar.

Arguments

• const dvec2 & v - Two-component source vector.
• double z - Z component of the vector.

dvec3(double x, double y, double z)

Constructor. Initializes the vector using given double values.

Arguments

• double x - X component of the vector.
• double y - Y component of the vector.
• double z - Z component of the vector.

explicit dvec3(double v)

Constructor. Initializes the vector using a given scalar value: x=v, y=v, z=v.

Arguments

• double v - Scalar value.

explicit dvec3(const dvec2 & v)

Constructor. Initializes the vector using a given two-component dvec2 source vector: x=v.x, y=v.y, z=0.0f.

Arguments

• const dvec2 & v - Two-component source vector.

explicit dvec3(const dvec4 & v)

Constructor. Initializes the vector using a given four-component dvec4 source vector: x=v.x, y=v.y, z=v.z.

Arguments

• const dvec4 & v - Four-component source vector.

explicit dvec3(const vec3 & v)

Constructor. Initializes the vector using a given vec3 source vector.

Arguments

• const vec3 & v - Source vector.

explicit dvec3(const ivec3 & v)

Constructor. Initializes the vector using a given ivec3 source vector.

Arguments

• const ivec3 & v - Source vector.

explicit dvec3(const double * v)

Constructor. Initializes the vector using a given pointer to the array of double elements: x=v[0], y=v[1], z=v[2].

Arguments

• const double * v - Pointer to the array of double elements.

void set(double x_, double y_, double z_)

Sets the vector by components.

Arguments

• double x_ - X component of the vector.
• double y_ - Y component of the vector.
• double z_ - Z component of the vector.

void set(const double * val)

Sets the vector using the array of double elements: x=val[0], y=val[1], z=val[2].

Arguments

• const double * val - Pointer to the array of double elements.

void get(double * val) const

Gets the vector: val[0]=x, val[1]=y, val[2]=z.

Arguments

• double * val - Pointer to the array of float elements.

double * get()

Returns the pointer to the vector.

Return value

Pointer to the vector.

const double * get() const

Returns the constant pointer to the vector.

Return value

Pointer to the vector.

dvec3 & operator*=(double val)

Performs scalar multiplication.

Arguments

• double val - Scalar value.

Return value

Resulting vector.

dvec3 & operator*=(const dvec3 & val)

Performs vector multiplication.

Arguments

• const dvec3 & val - Vector.

Return value

Resulting vector.

dvec3 & operator+=(const dvec3 & val)

Performs vector addition.

Arguments

• const dvec3 & val - Vector.

Return value

Resulting vector.

dvec3 operator-() const

Performs vector negation.

Return value

Resulting vector.

dvec3 & operator-=(const dvec3 & val)

Performs vector subtraction.

Arguments

• const dvec3 & val - Vector.

Return value

Resulting vector.

double & operator[](int i)

Performs array access to the vector item reference by using given item index.

Arguments

• int i - Vector item index.

Return value

Vector item reference.

double operator[](int i) const

Performs array access to the vector item by using given item index.

Arguments

• int i - Vector item index.

Return value

Vector item.

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vec3 BACK

Description

Vector (0.0, -1.0, 0.0).

vec3 DOWN

Description

Vector (0.0, 0.0, -1.0).

vec3 EPS

Description

Vector, filled with epsilon constant (1e-6f).

vec3 FORWARD

Description

Vector (0.0, 1.0, 0.0).

vec3 INF

Description

Vector, filled with infinity constant (1e+9f).

vec3 LEFT

Description

Vector (-1.0, 0.0, 0.0).

vec3 ONE

Description

Vector, filled with ones (1).

vec3 RIGHT

Description

Vector (1.0, 0.0, 0.0).

vec3 UP

Description

Vector (0.0, 0.0, 1.0).

vec3 ZERO

Description

Vector, filled with zeros (0).