de.gurkenlabs.litiengine.util.geom

Class Vector2D

java.lang.Object

de.gurkenlabs.litiengine.util.geom.Vector2D

public class Vector2D
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected double	dX
protected double	dY

Constructor Summary

Constructors

Constructor and Description
Vector2D()
Vector2D(double dX, double dY)
Vector2D(java.awt.geom.Point2D p1, java.awt.geom.Point2D p2)

Method Summary

Modifier and Type	Method and Description
Vector2D	add(Vector2D v1)
double	dotProduct(Vector2D v1)
double	getX()
double	getY()
double	length()
Vector2D	normalVector()
Vector2D	scale(double scaleFactor)
Vector2D	sub(Vector2D v1)
java.lang.String	toString()
Vector2D	unitVector()

Methods inherited from class java.lang.Object

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

Field Detail

dX

protected double dX

dY

protected double dY

Constructor Detail

Vector2D

public Vector2D()

Vector2D

public Vector2D(double dX,
                double dY)

Vector2D

public Vector2D(java.awt.geom.Point2D p1,
                java.awt.geom.Point2D p2)

Method Detail

add

public Vector2D add(Vector2D v1)

dotProduct

public double dotProduct(Vector2D v1)

getX

public double getX()

getY

public double getY()

length

public double length()

normalVector

public Vector2D normalVector()

scale

public Vector2D scale(double scaleFactor)

sub

public Vector2D sub(Vector2D v1)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

unitVector

public Vector2D unitVector()