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Unigine::NavigationMesh Class

Header:#include <UniginePathFinding.h>
Inherits:Navigation

This class enables to create a navigation area above the surface of an arbitrary mesh. In fact, the navigation mesh is the area of the specified height above the mesh polygons, which is available for pathfinding.

Notice
A mesh used as a base for the navigation mesh should meet the requirements described here.

See Also

  • The article on Navigation Mesh
  • A set of samples located in the data/samples/paths folder:
    1. mesh_00
    2. route_03
    3. route_04

NavigationMesh Class

Members


static NavigationMeshPtr create()

Constructor. Creates an empty navigation mesh.

static NavigationMeshPtr create(const char * arg1)

Creates a navigation mesh from the given *.mesh file.

Arguments

  • const char * arg1 - Path to the *.mesh file.

Ptr<NavigationMesh> cast(const Ptr<Node> & node)

Arguments

  • const Ptr<Node> & node

Ptr<NavigationMesh> cast(const Ptr<Navigation> & base)

Arguments

  • const Ptr<Navigation> & base

void setDepth(int depth)

Sets a depth value. The larger the depth value, the better control over accuracy and speed of route calculation is provided.

Arguments

  • int depth - A depth, which is an integer value in range [0;4].

int getDepth()

Returns the depth value, which is an integer value in range [0;4]. The larger the depth value, the better control over accuracy and speed of route calculation is provided.

Return value

The depth value.

void setHeight(float height)

Sets the distance above the navigation mesh polygons that is available for pathfinding. By default, the height is set to 1.

Arguments

  • float height - Height in units.

float getHeight()

Returns the distance above the navigation mesh polygons that is available for pathfinding. By default, the height is set to 1.

Return value

Height in units.

int setMesh(const Ptr<Mesh> & mesh)

Copies a given mesh into the mesh, on which the current navigation mesh is based.

Arguments

  • const Ptr<Mesh> & mesh - Mesh to be copied.

Return value

1 if the mesh is copied successfully; otherwise, 0.

int getMesh(const Ptr<Mesh> & mesh)

Copies the mesh that is used as a base for the current navigation mesh into the received mesh.

Arguments

  • const Ptr<Mesh> & mesh - A mesh into which the current mesh is copied.

Return value

1 if the mesh is copied successfully; otherwise, 0.

void setMeshName(const char * name)

Sets a new name for the mesh used as a base for the navigation mesh.

Arguments

  • const char * name - A mesh name to be set.

const char * getMeshName()

Returns the name of the mesh used as a base for the navigation mesh.

Return value

The mesh name.

int loadMesh(const char * name)

Loads a mesh, on which the navigation mesh is based, from the file. This function doesn't change the mesh name.

Arguments

  • const char * name - A relative path to the *.mesh file.

Return value

1 if the mesh is loaded successfully; otherwise, 0.

int saveMesh(const char * name)

Saves the mesh, on which the navigation mesh is based, to the file.

Arguments

  • const char * name - A relative path to the *.mesh file.

Return value

1 if the mesh is saved successfully; otherwise, 0.

int type()

Last update: 03.07.2017
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