org.jsfml.system

Class Vector2f

java.lang.Object

org.jsfml.system.Vector2f

All Implemented Interfaces:

Serializable

public final class Vector2f
extends Object
implements Serializable

Represents two-dimensional vectors using floating point coordinates and provides arithmetic operations on floating point 2D vectors.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float	x The vector's X coordinate.
float	y The vector's Y coordinate.
static Vector2f	ZERO The zero vector.

Constructor Summary

Constructors

Constructor and Description
Vector2f(float x, float y) Constructs a new vector with the given coordinates.
Vector2f(Vector2i v) Constructs a new vector by converting an integral vector.

Method Summary

Methods

Modifier and Type	Method and Description
static Vector2f	add(Vector2f a, Vector2f b) Adds two vectors.
static Vector2f	componentwiseDiv(Vector2f a, Vector2f b) Performs a component-wise division of two vectors.
static Vector2f	componentwiseMul(Vector2f a, Vector2f b) Performs a component-wise multiplication of two vectors.
static Vector2f	div(Vector2f a, float s) Multiplies a vector by the inverse of a scalar.
boolean	equals(Object o)
int	hashCode()
static Vector2f	mul(Vector2f a, float s) Multiplies a vector by a scalar.
static Vector2f	neg(Vector2f v) Computes the negation of a vector.
static Vector2f	sub(Vector2f a, Vector2f b) Subtracts two vectors.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ZERO

public static final Vector2f ZERO

The zero vector.

x

public final float x

The vector's X coordinate.

y

public final float y

The vector's Y coordinate.

Constructor Detail

Vector2f

public Vector2f(float x,
        float y)

Constructs a new vector with the given coordinates.

Parameters:

x - the X coordinate.

y - the Y coordinate.

Vector2f

public Vector2f(Vector2i v)

Constructs a new vector by converting an integral vector.

The fractions of the coordinates will be zero.

Parameters:

v - the vector to convert.

Method Detail

add

public static Vector2f add(Vector2f a,
           Vector2f b)

Adds two vectors.

Parameters:

a - the first vector.

b - the second vector.

Returns:

a new vector, representing the sum of the two vectors.

sub

public static Vector2f sub(Vector2f a,
           Vector2f b)

Subtracts two vectors.

Parameters:

a - the first vector.

b - the second vector.

Returns:

a new vector, representing the difference between the two vectors.

componentwiseMul

public static Vector2f componentwiseMul(Vector2f a,
                        Vector2f b)

Performs a component-wise multiplication of two vectors.

Parameters:

a - the first vector.

b - the second vector.

Returns:

a new vector, representing the "product" of the two vectors.

componentwiseDiv

public static Vector2f componentwiseDiv(Vector2f a,
                        Vector2f b)

Performs a component-wise division of two vectors.

Parameters:

a - the first vector.

b - the second vector.

Returns:

a new vector, representing the "quotient" of the two vectors.

mul

public static Vector2f mul(Vector2f a,
           float s)

Multiplies a vector by a scalar.

Parameters:

a - the vector.

s - the scalar to multiply by.

Returns:

a new vector, representing the scaled vector.

div

public static Vector2f div(Vector2f a,
           float s)

Multiplies a vector by the inverse of a scalar.

Parameters:

a - the vector.

s - the scalar to divide by.

Returns:

a new vector, representing the scaled vector.

neg

public static Vector2f neg(Vector2f v)

Computes the negation of a vector.

Parameters:

v - the vector.

Returns:

a new vector, representing the negation of the given vector.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object