Unigine::Polygon Class

Header:

#include <UnigineMathLibPolygon.h>

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

Methods:

Name	Description View: Sort by:
clear	Clears the data (vertices and indices) of the polygon.
createConvex	Creates the convex polygon.
createConcave	Creates the concave polygon.
getNumVertex	Returns the number of vertices.
getVertex	Returns the vertex with the given number.
getVertexIndex	Returns the index of the vertex with the given number.
getNumIndices	Returns the number of indices.
getIndex	Returns the index with a given number.

Variables:

Name	Description
NUM_VERTEX = 0	Number of vertices.
NUM_INDICES = 1	Number of indices.

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: 10.10.2022

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