U4DEngine::U4DNavigation Class Reference

The U4DNavigation class determines the path for the 3D model to navigate. More...

Public Member Functions
	U4DNavigation ()
	class constructor
	~U4DNavigation ()
	class destructor
bool	loadNavMesh (const char *uNavMeshName, const char *uBlenderFile)
	loads the navigation mesh imported from blender More...
void	computePath (U4DDynamicAction *uAction, U4DVector3n &uTargetPosition)
	computes the path using the provided starting and target positions More...
U4DVector3n	getSteering (U4DDynamicAction *uAction)
	Computes the velocity for steering. More...
void	setPredictTime (float uPredictTime)
	sets the time in the future to predict the position More...
void	setPathOffset (float uPathOffset)
	set the distance along the path to generate the target position More...
void	setPathRadius (float uPathRadius)
	set the path radius More...
void	setTargetRadius (float uTargetRadius)
	sets the radius distance to the target where the velocity of the pursuer should come to a stop More...
void	setSlowRadius (float uSlowRadius)
	sets the radius distance to the target where the pursuer should slow down More...
void	setNavigationSpeed (float uNavigationSpeed)
	sets the navigation speed for the pursuer More...
U4DNavMesh *	getNavMesh ()
	get pointer to navigation mesh object. This object contains the navigation mesh nodes
std::vector< U4DSegment >	getNavPath ()
	get navigation path

Detailed Description

The U4DNavigation class determines the path for the 3D model to navigate.

Member Function Documentation

computePath()

void U4DEngine::U4DNavigation::computePath	(	U4DDynamicAction *	uAction,
		U4DVector3n &	uTargetPosition
	)

computes the path using the provided starting and target positions

Parameters

uAction	Dynamic action representing the pursuer
uTargetPosition	target position

getSteering()

U4DVector3n U4DEngine::U4DNavigation::getSteering

(

U4DDynamicAction *

uAction

)

Computes the velocity for steering.

Parameters

uAction

Dynamic action represented as the pursuer

Returns

velocity vector to apply to 3D model

loadNavMesh()

bool U4DEngine::U4DNavigation::loadNavMesh	(	const char *	uNavMeshName,
		const char *	uBlenderFile
	)

loads the navigation mesh imported from blender

Parameters

uNavMeshName	name of navigation mesh as specified in blender 3D
uBlenderFile	name of file

Returns

true if the nav mesh was properly loaded

setNavigationSpeed()

void U4DEngine::U4DNavigation::setNavigationSpeed

(

float

uNavigationSpeed

)

sets the navigation speed for the pursuer

Parameters

uNavigationSpeed

navigation speed

setPathOffset()

void U4DEngine::U4DNavigation::setPathOffset

(

float

uPathOffset

)

set the distance along the path to generate the target position

Parameters

uPathOffset

path offset

setPathRadius()

void U4DEngine::U4DNavigation::setPathRadius

(

float

uPathRadius

)

set the path radius

Parameters

uPathRadius

radius of path

setPredictTime()

void U4DEngine::U4DNavigation::setPredictTime

(

float

uPredictTime

)

sets the time in the future to predict the position

Parameters

uPredictTime

time value

setSlowRadius()

void U4DEngine::U4DNavigation::setSlowRadius

(

float

uSlowRadius

)

sets the radius distance to the target where the pursuer should slow down

Parameters

uSlowRadius

radius of circle to slow down

setTargetRadius()

void U4DEngine::U4DNavigation::setTargetRadius

(

float

uTargetRadius

)

sets the radius distance to the target where the velocity of the pursuer should come to a stop

Parameters

uTargetRadius

radius of circle to stop