walker.blue.core.lib.direction

Class UserAngleMapper

java.lang.Object

walker.blue.core.lib.direction.UserAngleMapper

public class UserAngleMapper
extends java.lang.Object

Map that calcuates the angle between the direction the user is facing and the next waypoint in the path

Constructor Summary

Constructors

Constructor and Description
UserAngleMapper(Building building) Constructor.
UserAngleMapper(RectCoordinates northPoint) Constructor.

Method Summary

Modifier and Type	Method and Description
float	getAngleToNextWaypoint(RectCoordinates userLocation, double heading, RectCoordinates nextNode) Calculates the angle between the direction the user is facing and the next waypoint

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UserAngleMapper

public UserAngleMapper(Building building)

Constructor. Sets the fields using the northpoint of the given building

Parameters:

building - Building the user is currently in

UserAngleMapper

public UserAngleMapper(RectCoordinates northPoint)

Constructor. Sets the fields using the given northPoint

Parameters:

northPoint - Vector pointing north

Method Detail

getAngleToNextWaypoint

public float getAngleToNextWaypoint(RectCoordinates userLocation,
                                    double heading,
                                    RectCoordinates nextNode)

Calculates the angle between the direction the user is facing and the next waypoint

Parameters:

userLocation - Current location of the user

heading - Heading measured by the device

nextNode - Next node in the path

Returns:

angle between the direction the user is facing and the next waypoint