com.reportmill.graphics

Class RMVector

java.lang.Object

com.reportmill.graphics.RMVector

All Implemented Interfaces:

java.lang.Cloneable

public class RMVector
extends java.lang.Object
implements java.lang.Cloneable

This class represents a 2D vector.

Field Summary

Fields

Modifier and Type	Field and Description
double	x
double	y

Constructor Summary

Constructors

Constructor and Description
RMVector() Creates a new vector.
RMVector(double X, double Y) Creates a new vector.

Method Summary

Methods

Modifier and Type	Method and Description
RMVector	add(double X, double Y) Adds the vector components to this vector.
RMVector	add(RMVector aVector) Adds a vector.
RMVector	clone() Returns a basic clone of this object.
double	getDotProduct(RMVector v2) Returns the dot product of the receiver and the given vector.
double	getMagnitude() Returns the magnitude of the vector.
RMVector	getNormalized() Returns the normalized vector.
RMVector	multiply(double aValue) Multiply vector by given magnitude.
RMVector	negate() Makes this receiver point in the opposite direction.
RMVector	normalize() Normalizes the vector.
java.lang.String	toString() Returns a string representation of the vector.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

x

public double x

y

public double y

Constructor Detail

RMVector

public RMVector()

Creates a new vector.

RMVector

public RMVector(double X,
        double Y)

Creates a new vector.

Method Detail

add

public RMVector add(RMVector aVector)

Adds a vector.

add

public RMVector add(double X,
           double Y)

Adds the vector components to this vector.

normalize

public RMVector normalize()

Normalizes the vector.

negate

public RMVector negate()

Makes this receiver point in the opposite direction.

multiply

public RMVector multiply(double aValue)

Multiply vector by given magnitude.

getMagnitude

public double getMagnitude()

Returns the magnitude of the vector.

getDotProduct

public double getDotProduct(RMVector v2)

Returns the dot product of the receiver and the given vector.

getNormalized

public RMVector getNormalized()

Returns the normalized vector.

clone

public RMVector clone()

Returns a basic clone of this object.

Overrides:

clone in class java.lang.Object

toString

public java.lang.String toString()

Returns a string representation of the vector.

Overrides:

toString in class java.lang.Object