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Unigine::Convex Class

Header: #include <UnigineMathLibConvex.h>

This class creates convex shapes.

Convex Class

Members


static ConvexPtr create ( ) #

Constructor. Initializes the new convex shape by clearing data of the prevoius shape.

static ConvexPtr create ( const Convex& convex ) #

Constructor. Initializes the new convex shape using the given shape.

Arguments

  • const Convex& convex - Input convex shape.

Convex & operator= ( const Convex& convex ) #

Sets the concave shape to be equal the given convex shape.

Arguments

  • const Convex& convex - Convex shape.

Return value

Resulting convex shape.

void clear ( ) #

Clears the data of the prevoius convex shape.

bool create ( const vec3* v, int num_vertex, float error ) #

Creates the convex shape using the given vertices.

Arguments

  • const vec3* v - Vertices.
  • int num_vertex - Number of vertices.
  • float error - Convex generation distance error.
    Notice
    Bigger values of the distance error increase the generation speed (values in rage [0..1]).

Return value

true if the shape was successfully created; otherwise false.

bool create ( const dvec3* v, int num_vertex, float error ) #

Creates the convex shape using the given vertices.

Arguments

  • const dvec3* v - Vertices.
  • int num_vertex - Number of vertices.
  • float error - Error.

Return value

true if the shape was successfully created; otherwise false.

int getNumVertex ( ) const#

Returns the number of vertices this convex shape consists of.

Return value

Number of vertices.

const dvec3 * getVertex ( ) const#

Returns the pointer to the array of vertices for the convex shape.

Return value

Pointer to the array of vertices.

const dvec3 & getVertex ( int num ) const#

Returns the vertex with the given number.

Arguments

  • int num - Number of the vertex.

Return value

Resulting vertex.

int getNumFaces ( ) const#

Returns the number of faces for this convex shape.

Return value

Number of faces.

int getNumFaceVertex ( int face ) const#

Returns the number of vertices for the given face.

Arguments

  • int face - Number of the face.

Return value

Number of vertices.

int getFaceVertex ( int face, int num ) const#

Returns the specified vertex of the specified face.

Arguments

  • int face - Face of the convex shape.
  • int num - Number of the vertex.

Return value

Index of the vertex.

double getVolume ( ) const#

Returns the convex shape's volume.

Return value

Convex shape's volume.

double getThreshold ( ) const#

Returns the distance threshold.

Return value

Distance threshold.

dvec3 getCenter ( ) const#

Returns the center of the convex shape.

Return value

Center of the convex shape.

mat3 getInertia ( ) const#

Returns the inertia matrix.

Return value

Inertia matrix.

dvec3 getClosestPoint ( const dvec3& point ) const#

Returns the closest convex shape's point to the given point.

Arguments

  • const dvec3& point - Given point.

Return value

Closest point (inside or on the edge of the convex shape).

void getBoundBox ( dvec3& min, dvec3& max ) const#

Calculates the concave shape's bounding box (minimum and maximum vertices).

Arguments

  • dvec3& min - Minimum vertex of the shape.
  • dvec3& max - Maximum vertex of the shape.
Last update: 24.08.2021
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