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Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

Unigine.dvec2 Struct

This class represents a vector of 2 double components.

dvec2 Class

Members


dvec2 ( ) #

Default constructor. Produces a zero vector.

dvec2 ( dvec2 v ) #

Constructor. Initializes the vector by copying a given source vector.

Arguments

  • dvec2 v - Source vector.

dvec2 ( double x, double y ) #

Constructor. Initializes the vector using given double values.

Arguments

  • double x - X component of the vector.
  • double y - Y component of the vector.

Examples

Source code (UnigineScript)
dvec2(2.0, 3.0);
/*
Creates a vector (2.0, 3.0)
*/

dvec2 ( double v ) #

Constructor. Initializes the vector using a given scalar value: x=v, y=v.

Arguments

  • double v - Scalar value.

Examples

Source code (UnigineScript)
dvec2(1.0);
/*
Creates a vector (1.0, 1.0)
*/

dvec2 ( dvec3 v ) #

Constructor. Initializes the vector using a given three-component vec3 vector: x=v.x, y=v.y.

Arguments

  • dvec3 v - Three-component source vector.

dvec2 ( dvec4 v ) #

Constructor. Initializes the vector using a given four-component vec4 source vector: x=v.x, y=v.y.

Arguments

  • dvec4 v - Four-component source vector.

dvec2 ( vec2 v ) #

Constructor. Initializes the vector using a given vec2 source vector.

Arguments

  • vec2 v - Source vector.

dvec2 ( ivec2 v ) #

Constructor. Initializes the vector using a given ivec2 source vector.

Arguments

dvec2 ( double[] v ) #

Constructor. Initializes the vector using a given pointer to the array of double elements: x=v[0], y=v[1].

Arguments

  • double[] v - Pointer to the array of double elements.

dvec2 Abs ( ) #

Returns the absolute values of the vector components.

Return value

Vector with absolute values.

dvec2 Normalize ( ) #

Returns normalized vector.

Return value

Normalized vector.

dvec2 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.

dvec2 Operator*= ( double val ) #

Performs scalar multiplication.

Arguments

  • double val - Scalar value.

Return value

Resulting vector.

dvec2 Operator*= ( dvec2 val ) #

Performs vector multiplication.

Arguments

  • dvec2 val - Vector.

Return value

Resulting vector.

dvec2 Operator+= ( dvec2 val ) #

Performs vector addition.

Arguments

  • dvec2 val - Vector.

Return value

Resulting vector.

dvec2 Operator- ( ) #

Performs vector negation.

Return value

Resulting vector.

dvec2 Operator-= ( dvec2 val ) #

Performs vector subtraction.

Arguments

  • dvec2 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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