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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 This version of documentation is OUTDATED, as it describes an older SDK version!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::Polygon Class

Header: #include <UnigineMathLibPolygon.h>

This class creates an indexed polygon (convex or concave) using vertices and a plane normal.

Polygon Class

Members


void clear ( ) #

Clears the data (vertices and indices) of the polygon.

bool createConvex ( const vec3* v, int num_vertex, const vec3& normal ) #

Creates the convex polygon.

Arguments

  • const vec3* v - Pointer to an array of vertices.
  • int num_vertex - Number of vertices.
    Notice
    Must be greater than or equal to 3.
  • const vec3& normal - Normal of the polygon.

Return value

true if the convex polygon was successfully created; otherwise false.

bool createConvex ( const Vector<vec3>& v, const vec3& normal ) #

Creates the convex polygon.

Arguments

  • const Vector<vec3>& v - Vector of polygon vertices.
  • const vec3& normal - Normal of the polygon.

Return value

true if the convex polygon was successfully created; otherwise false.

bool createConcave ( const vec3* v, int num_vertex, const vec3& normal ) #

Creates the concave polygon.

Arguments

  • const vec3* v - Pointer to an array of vertices.
  • int num_vertex - Number of vertices.
    Notice
    Must be greater than or equal to 3.
  • const vec3& normal - Normal of the polygon.

Return value

true if the concave polygon was successfully created; otherwise false.

bool createConcave ( const Vector<vec3>& v, const vec3& normal ) #

Creates the concave polygon.

Arguments

  • const Vector<vec3>& v - Vector of polygon vertices.
  • const vec3& normal - Normal of the polygon.

Return value

true if the concave polygon was successfully created; otherwise false.

int getNumVertex ( ) const#

Returns the number of vertices.

Return value

Number of vertices.

const vec3 & getVertex ( int num ) const#

Returns the vertex with the given number.

Arguments

  • int num - Number of the vertex.

Return value

Resulting vertex.

int getVertexIndex ( int num ) const#

Returns the index of the vertex with the given number.

Arguments

  • int num - Number of the vertex.

Return value

Index of the vertex.

int getNumIndices ( ) const#

Returns the number of indices.

Return value

Number of indices.

int getIndex ( int num ) const#

Returns the index with a given number.

Arguments

  • int num - Number of the index.

Return value

Resulting index.
Last update: 2022-04-20
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