Unigine::dvec2 Struct
Vector of 2 double components.
To use this structure, include the UnigineMathLib.h file.
Unigine::dvec2 Structure
Members
UNIGINE_INLINE dvec2 ()
Default constructor that produces a zero vector.UNIGINE_INLINE dvec2 (const dvec2 & v)
Initialization by a vector.Arguments
- const dvec2 & v - The value of the vector.
UNIGINE_INLINE dvec2 (double x, double y)
Initialization by scalars.Arguments
- double x - X component of the vector.
- double y - Y component of the vector.
explicit UNIGINE_INLINE dvec2 (double v)
Initialization by a scalar: x=v, y=v.Arguments
- double v - The value of the vector.
explicit UNIGINE_INLINE dvec2 (const dvec3 & v)
Initialization by a four component vector: x=v.x, y=v.y.Arguments
- const dvec3 & v - The value of the vector.
explicit UNIGINE_INLINE dvec2 (const dvec4 & v)
Initialization by a four component vector: x=v.x, y=v.y.Arguments
- const dvec4 & v - The value of the vector.
explicit UNIGINE_INLINE dvec2 (const vec2 & v)
Initialization by a vector.Arguments
- const vec2 & v - The value of the vector.
explicit UNIGINE_INLINE dvec2 (const ivec2 & v)
Initialization by a vector of integer components.Arguments
- const ivec2 & v - The value of the vector.
explicit UNIGINE_INLINE dvec2 (const double * v)
Initialization by a pointer to the vector.Arguments
- const double * v - Pointer to the vector.
UNIGINE_INLINE dvec2 operator- () const
Vector negation.Return value
The resulting vector.UNIGINE_INLINE dvec2 & operator*= (double v)
Scalar multiplication.Arguments
- double v - The value of the scalar.
Return value
The resulting vector.UNIGINE_INLINE dvec2 & operator*= (const dvec2 & v)
Vector multiplication.Arguments
- const dvec2 & v - The value of the vector.
Return value
The resulting vector.UNIGINE_INLINE dvec2 & operator+= (const dvec2 & v)
Vector addition.Arguments
- const dvec2 & v - The value of the vector.
Return value
The resulting vector.UNIGINE_INLINE dvec2 & operator-= (const dvec2 & v)
Vector subtraction.Arguments
- const dvec2 & 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.
Return value
The array item.UNIGINE_INLINE double operator[] (int i) const
Constant array access.Arguments
- int i - Array item index.
Return value
The array item.UNIGINE_INLINE void set (double x_, double y_)
Set vector.Arguments
- double x_ - X component of the vector.
- double y_ - Y 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::dvec2:: Union
union {
struct
{
double x;
double y;
};
double v[2];
};
Last update: 03.07.2017
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