Unigine.dvec4 Struct
dvec4 Class
Members
dvec4 ( ) #
Default constructor. Produces a zero vector.dvec4 ( dvec4 v ) #
Constructor. Initializes the vector by copying a given source vector.Arguments
- dvec4 v - Source vector.
dvec4 ( dvec2 v, double z, double w ) #
Constructor. Initializes the vector using a given two-component dvec2 source vector and two scalars.Arguments
- dvec2 v - Two-component source vector.
- double z - Z component of the vector.
- double w - W component of the vector.
dvec4 ( dvec3 v, double w ) #
Constructor. Initializes the vector using a given three-component dvec3 source vector and a scalar.Arguments
- 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
Source code (UnigineScript)
dvec4(1.0, 2.0, 3.0, 4.5);
/*
Creates a vector (1.0, 2.0, 3.0, 4.5)
*/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.
dvec4 ( 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
- dvec2 v - Two-component source vector.
dvec4 ( 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
- dvec3 v - Three-component source vector.
dvec4 ( dvec4 v ) #
Constructor. Initializes the vector using a given vec4 source vector.Arguments
- dvec4 v - Source vector.
dvec4 ( ivec4 v ) #
Constructor. Initializes the vector using a given ivec4 source vector.Arguments
- ivec4 v - Source vector.
dvec4 ( bvec4 v ) #
Constructor. Initializes the vector using a given bvec4 source vector.Arguments
- bvec4 v - Source vector.
dvec4 ( svec4 v ) #
Constructor. Initializes the vector using a given svec4 source vector.Arguments
- svec4 v - Source vector.
dvec4 ( 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
- double[] v - Pointer to the array of double elements.
dvec4 Abs ( ) #
Returns the absolute values of the vector components.Return value
Vector with absolute values.double Length ( ) #
Returns the length of the vector.Return value
Vector length.double Length2 ( ) #
Returns the squared length of the vector.Return value
Squared length of the vector.dvec4 Normalize ( ) #
Returns normalized vector.Return value
Normalized vector.dvec4 NormalizeValid ( ) #
Normalizes a vector, makes its magnitude equal to 1. When normalized, a vector keeps the same direction but its length is equal to 1. Check for the zero vector is performed: if the argument is a zero vector, then a zero vector is returned.Return value
Normalized vector.dvec4 Normalize3 ( ) #
Returns the vector with normalized XYZ components.Return value
Vector with normalized XYZ components.dvec4 NormalizeValid3 ( ) #
Returns the vector with normalized XYZ components. Check for the zero vector is performed: if the argument is a zero vector, then a zero vector is returned.Return value
Vector with normalized XYZ components.dvec4 Operator*= ( double val ) #
Performs scalar multiplication.Arguments
- double val - Scalar value.
Return value
Resulting vector.dvec4 Operator*= ( dvec4 val ) #
Performs vector multiplication.Arguments
- dvec4 val - Vector.
Return value
Resulting vector.dvec4 Operator+= ( dvec4 val ) #
Performs vector addition.Arguments
- dvec4 val - Vector.
Return value
Resulting vector.dvec4 Operator- ( ) #
Performs vector negation.Return value
Resulting vector.dvec4 Operator-= ( dvec4 val ) #
Performs vector subtraction.Arguments
- 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 ) #
Performs array access to the vector item by using given item index.Arguments
- int i - Vector item index.
Return value
Vector item.Last update:
2021-04-29
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