Unigine.Unigine::vec4 Struct
This class represents a vector of 4 float components.
vec4 Class
Members
vec4()
Default constructor. Produces a zero vector.vec4(const vec4 & v)
Constructor. Initializes the vector by copying a given source vector.Arguments
- const vec4 & v - Source vector.
vec4(const vec2 & v, float z, float w)
Constructor. Initializes the vector using a given two-component vec2 source vector and two scalars.Arguments
- const vec2 & v - Two-component source vector.
- float z - Z component of the vector.
- float w - W component of the vector.
vec4(const vec3 & v, float w)
Constructor. Initializes the vector using a given three-component vec3 source vector and a scalar.Arguments
- const vec3 & v - Three-component source vector.
- float w - W component of the vector.
vec4(float x, float y, float z, float w)
Constructor. Initializes the vector using given float values.Arguments
- float x - X component of the vector.
- float y - Y component of the vector.
- float z - Z component of the vector.
- float w - W component of the vector.
explicit vec4(float v)
Constructor. Initializes the vector using a given scalar value: x=v, y=v, z=v, w=v.Arguments
- float v - Scalar value.
explicit vec4(const vec2 & v)
Constructor. Initializes the vector using a given two-component vec2 source vector: x=v.x, y=v.y, z=0.0f, w=1.0f.Arguments
- const vec2 & v - Two-component source vector.
explicit vec4(const vec3 & v)
Constructor. Initializes the vector using a given three-component vec3 source vector: x=v.x, y=v.y, z=v.z, w=1.0f.Arguments
- const vec3 & v - Three-component source vector.
explicit vec4(const dvec4 & v)
Constructor. Initializes the vector using a given dvec4 source vector.Arguments
- const dvec4 & v - Source vector.
explicit vec4(const ivec4 & v)
Constructor. Initializes the vector using a given ivec4 source vector.Arguments
- const ivec4 & v - Source vector.
explicit vec4(const bvec4 & v)
Constructor. Initializes the vector using a given bvec4 source vector.Arguments
- const bvec4 & v - Source vector.
explicit vec4(const float * v)
Constructor. Initializes the vector using a given pointer to the array of float elements: x=v[0], y=v[1], z=v[2], w=v[3].Arguments
- const float * v - Pointer to the array of float elements.
void set(float x_, float y_, float z_, float w_)
Sets the vector by components.Arguments
- float x_ - X component of the vector.
- float y_ - Y component of the vector.
- float z_ - Z component of the vector.
- float w_ - W component of the vector.
void set(const float * val)
Sets the vector using the array of float elements: x=val[0], y=val[1], z=val[2], w=val[3].Arguments
- const float * val - Pointer to the array of float elements.
void get(float * val) const
Gets the vector: val[0]=x, val[1]=y, val[2]=z, val[3]=w.Arguments
- float * val - Pointer to the array of float elements.
float * get()
Returns the pointer to the vector.Return value
Pointer to the vector.const float * get() const
Returns the constant pointer to the vector.Return value
Pointer to the vector.vec4 & operator*=(float val)
Performs scalar multiplication.Arguments
- float val - Scalar value.
Return value
Resulting vector.vec4 & operator*=(const vec4 & val)
Performs vector multiplication.Arguments
- const vec4 & val - Vector.
Return value
Resulting vector.vec4 & operator+=(const vec4 & val)
Performs vector addition.Arguments
- const vec4 & val - Vector.
Return value
Resulting vector.vec4 operator-() const
Performs vector negation.Return value
Resulting vector.vec4 & operator-=(const vec4 & val)
Performs vector subtraction.Arguments
- const vec4 & val - Vector.
Return value
Resulting vector.float & 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.float 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.vec4 BLUE
Description
Blue color vector (0, 0, 1 1).vec4 BLACK
Description
Black color vector (0, 0, 0 0).vec4 EPS
Description
Vector, filled with epsilon constant (1e-6f).vec4 GREEN
Description
Green color vector (0, 1, 0 1).vec4 INF
Description
Vector, filled with infinity constant (1e+9f).vec4 ONE
Description
Vector, filled with ones (1).vec4 RED
Description
Red color vector (1, 0, 0 1).vec4 WHITE
Description
White color vector (1, 1, 1 1).vec4 ZERO
Description
Vector, filled with zeros (0).Last update: 2018-06-04
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