jasi.sim.geo.cartesian
Class SpeedVec

java.lang.Object
  jasi.sim.geo.GeoObject
      jasi.sim.geo.cartesian.SpeedVec

All Implemented Interfaces:

SimValue, Geometric, java.io.Serializable

public final class SpeedVec
extends GeoObject

Immutable class to represent a speed vector.

See Also:

Serialized Form

Field Summary

static java.util.Comparator<SpeedVec>	COMPARATOR The value comparator of speed vectors.
static SpeedVec	FIXED Non-moving speed vector, fixed.

Fields inherited from interface jasi.sim.geo.Geometric

BEGIN, END, MIDLE

Constructor Summary

SpeedVec(Speed x, Speed y)
Constructor of a speed vector, with vanishing third component.

SpeedVec(Speed x, Speed y, Speed z)
Constructor of a speed vector.

SpeedVec(SpeedVec s)
Constructor of a speed vector.

SpeedVec(java.lang.String s)
Constructor of a speed vector.

Method Summary

Speed	abs() Retrieve the absolut speed value of this speed vector.
SpeedVec	add(SpeedVec p) Add that speed vector to this speed vector.
Speed[]	components() Get the components of this space vector.
Direction	direction() Retrieve unit direction of this speed vector.
boolean	equals(java.lang.Object o) Indicates whether some other object is "equal to" this one.
int	hashCode() Returns a hash code value for the object.
SpeedVec	minus(SpeedVec p) Substract that speed vector from this speed vector.
SpeedVec	times(double f) Multiply this speed vector by a factor.
SpaceVec	times(Time time) Calculate the space vector distance which is achieved by this speed vector in a given time.
java.lang.String	toString() Returns a string representation of this object.

Methods inherited from class jasi.sim.geo.GeoObject

getContent

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

COMPARATOR

public static final java.util.Comparator<SpeedVec> COMPARATOR

The value comparator of speed vectors. A comparison function, which imposes a total ordering.

FIXED

public static final SpeedVec FIXED

Non-moving speed vector, fixed.

Constructor Detail

SpeedVec

public SpeedVec(Speed x,
                Speed y,
                Speed z)

Constructor of a speed vector.

Parameters:

x - First component.

y - Second component.

z - Third component.

SpeedVec

public SpeedVec(SpeedVec s)

Constructor of a speed vector.

Parameters:

s - A speed vector.

SpeedVec

public SpeedVec(Speed x,
                Speed y)

Constructor of a speed vector, with vanishing third component.

Parameters:

x - First component.

y - Second component.

SpeedVec

public SpeedVec(java.lang.String s)

Constructor of a speed vector.

Parameters:

s - The string representation of a speed vector object.

Method Detail

times

public SpaceVec times(Time time)

Calculate the space vector distance which is achieved by this speed vector in a given time.

Parameters:

time - The time.

Returns:

The distance.

abs

public Speed abs()

Retrieve the absolut speed value of this speed vector.

Returns:

The absolute speed value.

direction

public Direction direction()

Retrieve unit direction of this speed vector.

Returns:

The direction.

components

public Speed[] components()

Get the components of this space vector.

Returns:

The components.

add

public SpeedVec add(SpeedVec p)

Add that speed vector to this speed vector.

Parameters:

p - That speed vector.

Returns:

The sum of the speed vectors.

minus

public SpeedVec minus(SpeedVec p)

Substract that speed vector from this speed vector.

Parameters:

p - That speed vector.

Returns:

The difference of the speed vectors.

times

public SpeedVec times(double f)

Multiply this speed vector by a factor.

Parameters:

f - The multiplication factor.

Returns:

The scaled speed vector.

hashCode

public int hashCode()

Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by java.util.Hashtable.

Overrides:

hashCode in class java.lang.Object

Returns:

A hash code value for this object.

equals

public boolean equals(java.lang.Object o)

Indicates whether some other object is "equal to" this one.

Overrides:

equals in class java.lang.Object

Parameters:

o - That object which is compared with this object.

Returns:

True, if this object is the same as that object.

toString

public java.lang.String toString()

Returns a string representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

The string.