com.sun.javafx.geom

Class Vec2f

java.lang.Object

com.sun.javafx.geom.Vec2f

public class Vec2f
extends java.lang.Object

A 2-dimensional, single-precision, floating-point vector.

Field Summary

Fields

Modifier and Type	Field and Description
float	x The x coordinate.
float	y The y coordinate.

Constructor Summary

Constructors

Constructor and Description
Vec2f()
Vec2f(float x, float y)
Vec2f(Vec2f v)

Method Summary

Modifier and Type	Method and Description
float	distance(float vx, float vy) Returns the distance from this Vec2f to a specified point.
static float	distance(float x1, float y1, float x2, float y2) Returns the distance between two points.
float	distance(Vec2f v) Returns the distance from this Vec2f to a specified Vec2f.
float	distanceSq(float vx, float vy) Returns the square of the distance from this Vec2f to a specified point.
static float	distanceSq(float x1, float y1, float x2, float y2) Returns the square of the distance between two points.
float	distanceSq(Vec2f v) Returns the square of the distance from this Vec2f to a specified Vec2f.
boolean	equals(java.lang.Object obj) Determines whether or not two 2D points or vectors are equal.
int	hashCode() Returns the hashcode for this Vec2f.
void	set(float x, float y) Sets the location of this Vec2f to the specified float coordinates.
void	set(Vec2f v) Sets the location of this Vec2f to the same coordinates as the specified Vec2f object.
java.lang.String	toString() Returns a String that represents the value of this Vec2f.

Methods inherited from class java.lang.Object

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

Field Detail

x

public float x

The x coordinate.

y

public float y

The y coordinate.

Constructor Detail

Vec2f

public Vec2f()

Vec2f

public Vec2f(float x,
             float y)

Vec2f

public Vec2f(Vec2f v)

Method Detail

set

public void set(Vec2f v)

Sets the location of this Vec2f to the same coordinates as the specified Vec2f object.

Parameters:

v - the specified Vec2f to which to set this Vec2f

set

public void set(float x,
                float y)

Sets the location of this Vec2f to the specified float coordinates.

Parameters:

x - the new X coordinate of this Vec2f

y - the new Y coordinate of this Vec2f

distanceSq

public static float distanceSq(float x1,
                               float y1,
                               float x2,
                               float y2)

Returns the square of the distance between two points.

Parameters:

x1 - the X coordinate of the first specified point

y1 - the Y coordinate of the first specified point

x2 - the X coordinate of the second specified point

y2 - the Y coordinate of the second specified point

Returns:

the square of the distance between the two sets of specified coordinates.

distance

public static float distance(float x1,
                             float y1,
                             float x2,
                             float y2)

Returns the distance between two points.

Parameters:

x1 - the X coordinate of the first specified point

y1 - the Y coordinate of the first specified point

x2 - the X coordinate of the second specified point

y2 - the Y coordinate of the second specified point

Returns:

the distance between the two sets of specified coordinates.

distanceSq

public float distanceSq(float vx,
                        float vy)

Returns the square of the distance from this Vec2f to a specified point.

Parameters:

vx - the X coordinate of the specified point to be measured against this Vec2f

vy - the Y coordinate of the specified point to be measured against this Vec2f

Returns:

the square of the distance between this Vec2f and the specified point.

distanceSq

public float distanceSq(Vec2f v)

Returns the square of the distance from this Vec2f to a specified Vec2f.

Parameters:

v - the specified point to be measured against this Vec2f

Returns:

the square of the distance between this Vec2f to a specified Vec2f.

distance

public float distance(float vx,
                      float vy)

Returns the distance from this Vec2f to a specified point.

Parameters:

vx - the X coordinate of the specified point to be measured against this Vec2f

vy - the Y coordinate of the specified point to be measured against this Vec2f

Returns:

the distance between this Vec2f and a specified point.

distance

public float distance(Vec2f v)

Returns the distance from this Vec2f to a specified Vec2f.

Parameters:

v - the specified point to be measured against this Vec2f

Returns:

the distance between this Vec2f and the specified Vec2f.

hashCode

public int hashCode()

Returns the hashcode for this Vec2f.

Overrides:

hashCode in class java.lang.Object

Returns:

a hash code for this Vec2f.

equals

public boolean equals(java.lang.Object obj)

Determines whether or not two 2D points or vectors are equal. Two instances of Vec2f are equal if the values of their x and y member fields, representing their position in the coordinate space, are the same.

Overrides:

equals in class java.lang.Object

Parameters:

obj - an object to be compared with this Vec2f

Returns:

true if the object to be compared is an instance of Vec2f and has the same values; false otherwise.

toString

public java.lang.String toString()

Returns a String that represents the value of this Vec2f.

Overrides:

toString in class java.lang.Object

Returns:

a string representation of this Vec2f.