game.motion
Class Stationary

java.lang.Object
  game.motion.Stationary

All Implemented Interfaces:

Trajectory

Direct Known Subclasses:

ConstantVelocity

public class Stationary
extends java.lang.Object
implements Trajectory

An object sitting still, with zero velocity and acceleration. This is the simplest of the three velocity classes.

Constructor Summary

Stationary(lab4.Point origin)

Stationary(Trajectory old)

Method Summary

lab4.Vector	getCurrentAcceleration() Current acceleration
lab4.Point	getCurrentLocation() Current location
lab4.Vector	getCurrentVelocity() Current velocity
lab4.Point	getLocation(Time t) Location at a given time.
Time	getT0() Time when this Trajectory began

Methods inherited from class java.lang.Object

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

Constructor Detail

Stationary

public Stationary(Trajectory old)

Stationary

public Stationary(lab4.Point origin)

Method Detail

getT0

public Time getT0()

Description copied from interface: Trajectory

Time when this Trajectory began

Specified by:

getT0 in interface Trajectory

Returns:

time origin of this Trajectory

getCurrentLocation

public final lab4.Point getCurrentLocation()

Description copied from interface: Trajectory

Current location

Specified by:

getCurrentLocation in interface Trajectory

Returns:

current location

getLocation

public lab4.Point getLocation(Time t)

Description copied from interface: Trajectory

Location at a given time.

Specified by:

getLocation in interface Trajectory

Parameters:

t - time at which location should be computed, relative to time origin.

Returns:

current location at time t

getCurrentVelocity

public lab4.Vector getCurrentVelocity()

Description copied from interface: Trajectory

Current velocity

Specified by:

getCurrentVelocity in interface Trajectory

Returns:

current velocity

getCurrentAcceleration

public lab4.Vector getCurrentAcceleration()

Description copied from interface: Trajectory

Current acceleration

Specified by:

getCurrentAcceleration in interface Trajectory

Returns:

current acceleration