Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

Unigine::dvec4 Struct

Vector of 4 double components.

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

UNIGINE_INLINE dvec4 ()

Default constructor that produces a zero vector.

UNIGINE_INLINE dvec4 (const dvec4 & v)

Initialization by a vector.

Arguments

• const dvec4 & v - The value of the vector.

UNIGINE_INLINE dvec4 (const dvec2 & v, double z, double w)

Initialization by a vector and two scalars.

Arguments

• const dvec2 & v - The value of the vector.
• double z - Z component of the vector.
• double w - W component of the vector.

UNIGINE_INLINE dvec4 (const dvec3 & v, double w)

Initialization by a vector and a scalar.

Arguments

• const dvec3 & v - The value of the vector.
• double w - W component of the vector.

UNIGINE_INLINE dvec4 (double x, double y, double z, double w)

Initialization by scalars.

Arguments

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

explicit UNIGINE_INLINE dvec4 (double v)

Initialization by a scalar.

Arguments

• double v - The value of the scalar.

explicit UNIGINE_INLINE dvec4 (const dvec2 & v)

Initialization by a two component vector: x=v.x, y=v.y, z=0.0f, w=1.0.

Arguments

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

explicit UNIGINE_INLINE dvec4 (const dvec3 & v)

Initialization by a three component vector: x=v.x, y=v.y, z=v.z, w=1.0.

Arguments

• const dvec3 & v - The value of the vector.

explicit UNIGINE_INLINE dvec4 (const vec4 & v)

Initialization by a vector.

Arguments

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

explicit UNIGINE_INLINE dvec4 (const ivec4 & v)

Initialization by a vector of integer components.

Arguments

• const ivec4 & v - The value of the vector.

explicit UNIGINE_INLINE dvec4 (const double * v)

Initialization by a pointer to the vector.

Arguments

• const double * v - Pointer to the vector.

UNIGINE_INLINE dvec4 operator- () const

Vector negation.

Return value

The resulting vector.

UNIGINE_INLINE dvec4 & operator*= (double v)

Scalar multiplication.

Arguments

• double v - The value of the scalar.

Return value

The resulting vector.

UNIGINE_INLINE dvec4 & operator*= (const dvec4 & v)

Vector multiplication.

Arguments

• const dvec4 & v - The value of the vector.

Return value

The resulting vector.

UNIGINE_INLINE dvec4 & operator+= (const dvec4 & v)

Arguments

• const dvec4 & v - The value of the vector.

Return value

The resulting vector.

UNIGINE_INLINE dvec4 & operator-= (const dvec4 & v)

Vector subtraction.

Arguments

• const dvec4 & v - The value of the vector.

Return value

The resulting vector.

UNIGINE_INLINE double & operator[] (int i)

Array access.

Arguments

• int i - Array item index.

The array item.

UNIGINE_INLINE double operator[] (int i) const

Constant array access.

Arguments

• int i - Array item index.

The array item.

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

Set vector.

Arguments

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

UNIGINE_INLINE void set (const double * v)

Set vector.

Arguments

• const double * v - Pointer to the vector.

UNIGINE_INLINE void get (double * v) const

Get vector.

Arguments

• double * v - Pointer to the vector.

UNIGINE_INLINE double * get ()

Get a pointer to the vector.

Return value

Pointer to the vector.

UNIGINE_INLINE const double * get () const

Get a constant pointer to the vector.

Return value

Pointer to the vector.

Unigine::dvec4:: Union

union {
struct {
double x;
double y;
double z;
double w;
};
double v[4];
};
Last update: 2017-07-03