Unigine.Unigine::dvec4 Struct
This class represents a vector of 4 double components.
dvec4 Class
Members
dvec4()
Default constructor. Produces a zero vector.dvec4(const dvec4 & v)
Constructor. Initializes the vector by copying a given source vector.Arguments
- const dvec4 & v - Source vector.
dvec4(const dvec2 & v, double z, double w)
Constructor. Initializes the vector using a given two-component dvec2 source vector and two scalars.Arguments
- const dvec2 & v - Two-component source vector.
- double z - Z component of the vector.
- double w - W component of the vector.
dvec4(const dvec3 & v, double w)
Constructor. Initializes the vector using a given three-component dvec3 source vector and a scalar.Arguments
- const dvec3 & v - Three-component source vector.
- double w - W component of the vector.
dvec4(double x, double y, double z, double w)
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.
- double w - W component of the vector.
Examples
dvec4(1.0, 2.0, 3.0, 4.5);
/*
Creates a vector (1.0, 2.0, 3.0, 4.5)
*/
explicit dvec4(double v)
Constructor. Initializes the vector using a given scalar value: x=v, y=v, z=v, w=v.Arguments
- double v - Scalar value.
explicit dvec4(const dvec2 & v)
Constructor. Initializes the vector using a given two-component dvec2 source vector: x=v.x, y=v.y, z=0.0f, w=1.0f.Arguments
- const dvec2 & v - Two-component source vector.
explicit dvec4(const dvec3 & v)
Constructor. Initializes the vector using a given three-component dvec3 source vector: x=v.x, y=v.y, z=v.z, w=1.0f.Arguments
- const dvec3 & v - Three-component source vector.
explicit dvec4(const vec4 & v)
Constructor. Initializes the vector using a given vec4 source vector.Arguments
- const vec4 & v - Source vector.
explicit dvec4(const ivec4 & v)
Constructor. Initializes the vector using a given ivec4 source vector.Arguments
- const ivec4 & v - Source vector.
explicit dvec4(const bvec4 & v)
Constructor. Initializes the vector using a given bvec4 source vector.Arguments
- const bvec4 & v - Source vector.
explicit dvec4(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], w=v[3].Arguments
- const double * v - Pointer to the array of double elements.
void set(double x_, double y_, double z_, double w_)
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.
- double w_ - W 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], w=val[3].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, val[3]=w.Arguments
- double * val - Pointer to the array of double 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.dvec4 & operator*=(double val)
Performs scalar multiplication.Arguments
- double val - Scalar value.
Return value
Resulting vector.dvec4 & operator*=(const dvec4 & val)
Performs vector multiplication.Arguments
- const dvec4 & val - Vector.
Return value
Resulting vector.dvec4 & operator+=(const dvec4 & val)
Performs vector addition.Arguments
- const dvec4 & val - Vector.
Return value
Resulting vector.dvec4 operator-() const
Performs vector negation.Return value
Resulting vector.dvec4 & operator-=(const dvec4 & val)
Performs vector subtraction.Arguments
- const dvec4 & 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.dvec4 EPS
Description
Vector, filled with epsilon constant (1e-6f).dvec4 INF
Description
Vector, filled with infinity constant (1e+9f).dvec4 ONE
Description
Vector, filled with ones (1).dvec4 ZERO
Description
Vector, filled with zeros (0).Last update: 2018-08-10
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