Package com.algo.rendering

Class Vector2D

java.lang.Object

com.algo.rendering.Vector2D

All Implemented Interfaces:

java.io.Serializable

public class Vector2D
extends java.lang.Object
implements java.io.Serializable

A 2-dimensional immutable vector.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
Vector2D(double x, double y)
Vector2D(Vector2D v)

Method Summary

Modifier and Type	Method	Description
static Vector2D	closestPointOnLine(double px, double py, double l1x, double l1y, double l2x, double l2y)
double	diamondLength()
int	dimensions()
static double	distancePointToLine(double px, double py, double l1x, double l1y, double l2x, double l2y)
static double	distancePointToLine(double px, double py, Vector2D a, Vector2D b)
boolean	equals(java.lang.Object obj)
double	get(int dimension)
static Vector2D	getVectorAtAngle(double angle, double length)	Returns a vector for a given angle and length.
double	getX()
double	getY()
int	hashCode()
double	length()
double	measureAngleX()
Vector2D	minus(double x, double y)
Vector2D	minus(Vector2D other)
Vector2D	multiply(double c)
double	multiply(Vector2D other)
Vector2D	normalized()
static Vector2D	one()
Vector2D	orthogonal()
Vector2D	orthogonal(int sign)
Vector2D	plus(double x, double y)
Vector2D	plus(Vector2D other)
Vector2D	rotate(double alpha)
Vector2D	rotate(Vector2D reference, double alpha)
Vector2D	snapToGrid(double gridSize)
double	theta()
java.lang.String	toString()
static Vector2D	zero()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Vector2D

public Vector2D(double x,
                double y)

Vector2D

public Vector2D(Vector2D v)

Method Detail

getVectorAtAngle

public static Vector2D getVectorAtAngle(double angle,
                                        double length)

Returns a vector for a given angle and length. Angle in degrees

closestPointOnLine

public static Vector2D closestPointOnLine(double px,
                                          double py,
                                          double l1x,
                                          double l1y,
                                          double l2x,
                                          double l2y)

distancePointToLine

public static double distancePointToLine(double px,
                                         double py,
                                         double l1x,
                                         double l1y,
                                         double l2x,
                                         double l2y)

distancePointToLine

public static double distancePointToLine(double px,
                                         double py,
                                         Vector2D a,
                                         Vector2D b)

zero

public static Vector2D zero()

one

public static Vector2D one()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getX

public double getX()

getY

public double getY()

get

public double get(int dimension)

dimensions

public int dimensions()

orthogonal

public Vector2D orthogonal()

orthogonal

public Vector2D orthogonal(int sign)

plus

public Vector2D plus(Vector2D other)

plus

public Vector2D plus(double x,
                     double y)

minus

public Vector2D minus(double x,
                      double y)

minus

public Vector2D minus(Vector2D other)

multiply

public double multiply(Vector2D other)

normalized

public Vector2D normalized()

multiply

public Vector2D multiply(double c)

rotate

public Vector2D rotate(double alpha)

rotate

public Vector2D rotate(Vector2D reference,
                       double alpha)

length

public double length()

diamondLength

public double diamondLength()

theta

public double theta()

snapToGrid

public Vector2D snapToGrid(double gridSize)

measureAngleX

public double measureAngleX()

Returns:

X Angle in degrees