Unigine.vec4 Struct

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.

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- ( ) #

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 ) #

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

Arguments

• int i - Vector item index.

Return value

Vector item.