org.joml

Class Vector3f

java.lang.Object

org.joml.Vector3f

All Implemented Interfaces:

Externalizable, Serializable

public class Vector3f
extends Object
implements Externalizable

Contains the definition of a Vector comprising 3 floats and associated transformations.

Author:

Richard Greenlees, Kai Burjack

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float	x The x component of the vector.
float	y The y component of the vector.
float	z The z component of the vector.

Constructor Summary

Constructors

Constructor and Description
Vector3f() Create a new Vector3f of (0, 0, 0).
Vector3f(ByteBuffer buffer) Create a new Vector3f and read this vector from the supplied ByteBuffer at the current buffer position.
Vector3f(float d) Create a new Vector3f and initialize all three components with the given value.
Vector3f(FloatBuffer buffer) Create a new Vector3f and read this vector from the supplied FloatBuffer at the current buffer position.
Vector3f(float x, float y, float z) Create a new Vector3f with the given component values.
Vector3f(int index, ByteBuffer buffer) Create a new Vector3f and read this vector from the supplied ByteBuffer starting at the specified absolute buffer position/index.
Vector3f(int index, FloatBuffer buffer) Create a new Vector3f and read this vector from the supplied FloatBuffer starting at the specified absolute buffer position/index.
Vector3f(Vector3f v) Create a new Vector3f with the same values as v.

Method Summary

Modifier and Type	Method and Description
Vector3f	add(float x, float y, float z) Increment the components of this vector by the given values.
Vector3f	add(float x, float y, float z, Vector3f dest) Increment the components of this vector by the given values and store the result in dest.
Vector3f	add(Vector3f v) Add the supplied vector to this one.
Vector3f	add(Vector3f v, Vector3f dest) Add the supplied vector to this one and store the result in dest.
float	angle(Vector3f v) Return the angle between this vector and the supplied vector.
float	angleCos(Vector3f v) Return the cosine of the angle between this vector and the supplied vector.
Vector3f	cross(float x, float y, float z) Set this vector to be the cross product of itself and (x, y, z).
Vector3f	cross(float x, float y, float z, Vector3f dest) Compute the cross product of this vector and (x, y, z) and store the result in dest.
Vector3f	cross(Vector3f v) Set this vector to be the cross product of itself and v.
Vector3f	cross(Vector3f v, Vector3f dest) Compute the cross product of this vector and v and store the result in dest.
float	distance(float x, float y, float z) Return the distance between this vector and (x, y, z).
float	distance(Vector3f v) Return the distance between this Vector and v.
float	distanceSquared(float x, float y, float z) Return the square of the distance between this vector and (x, y, z).
float	distanceSquared(Vector3f v) Return the square of the distance between this vector and v.
Vector3f	div(float scalar) Divide all components of this Vector3f by the given scalar value.
Vector3f	div(float x, float y, float z) Divide the components of this Vector3f by the given scalar values and store the result in this.
Vector3f	div(float x, float y, float z, Vector3f dest) Divide the components of this Vector3f by the given scalar values and store the result in dest.
Vector3f	div(float scalar, Vector3f dest) Divide all components of this Vector3f by the given scalar value and store the result in dest.
Vector3f	div(Vector3f v) Divide this Vector3f component-wise by another Vector3f.
Vector3f	div(Vector3f v, Vector3f dest) Divide this Vector3f component-wise by another Vector3f and store the result in dest.
float	dot(float x, float y, float z) Return the dot product of this vector and the vector (x, y, z).
float	dot(Vector3f v) Return the dot product of this vector and the supplied vector.
boolean	equals(Object obj)
Vector3f	fma(float a, Vector3f b) Add the component-wise multiplication of a * b to this vector.
Vector3f	fma(float a, Vector3f b, Vector3f dest) Add the component-wise multiplication of a * b to this vector and store the result in dest.
Vector3f	fma(Vector3f a, Vector3f b) Add the component-wise multiplication of a * b to this vector.
Vector3f	fma(Vector3f a, Vector3f b, Vector3f dest) Add the component-wise multiplication of a * b to this vector and store the result in dest.
ByteBuffer	get(ByteBuffer buffer) Store this vector into the supplied ByteBuffer at the current buffer position.
FloatBuffer	get(FloatBuffer buffer) Store this vector into the supplied FloatBuffer at the current buffer position.
float	get(int component) Get the value of the specified component of this vector.
ByteBuffer	get(int index, ByteBuffer buffer) Store this vector into the supplied ByteBuffer starting at the specified absolute buffer position/index.
FloatBuffer	get(int index, FloatBuffer buffer) Store this vector into the supplied FloatBuffer starting at the specified absolute buffer position/index.
Vector3f	half(float x, float y, float z) Compute the half vector between this and the vector (x, y, z).
Vector3f	half(float x, float y, float z, Vector3f dest) Compute the half vector between this and the vector (x, y, z) and store the result in dest.
Vector3f	half(Vector3f other) Compute the half vector between this and the other vector.
Vector3f	half(Vector3f other, Vector3f dest) Compute the half vector between this and the other vector and store the result in dest.
int	hashCode()
Vector3f	hermite(Vector3f t0, Vector3f v1, Vector3f t1, float t, Vector3f dest) Compute a hermite interpolation between this vector with its associated tangent t0 and the given vector v with its tangent t1 and store the result in dest.
float	length() Return the length of this vector.
float	lengthSquared() Return the length squared of this vector.
Vector3f	lerp(Vector3f other, float t) Linearly interpolate this and other using the given interpolation factor t and store the result in this.
Vector3f	lerp(Vector3f other, float t, Vector3f dest) Linearly interpolate this and other using the given interpolation factor t and store the result in dest.
Vector3f	max(Vector3f v) Set the components of this vector to be the component-wise maximum of this and the other vector.
int	maxComponent() Determine the component with the biggest absolute value.
Vector3f	min(Vector3f v) Set the components of this vector to be the component-wise minimum of this and the other vector.
int	minComponent() Determine the component with the smallest (towards zero) absolute value.
Vector3f	mul(float scalar) Multiply all components of this Vector3f by the given scalar value.
Vector3f	mul(float x, float y, float z) Multiply the components of this Vector3f by the given scalar values and store the result in this.
Vector3f	mul(float x, float y, float z, Vector3f dest) Multiply the components of this Vector3f by the given scalar values and store the result in dest.
Vector3f	mul(float scalar, Vector3f dest) Multiply all components of this Vector3f by the given scalar value and store the result in dest.
Vector3f	mul(Matrix3f mat) Multiply this Vector3f by the given matrix and store the result in this.
Vector3f	mul(Matrix3f mat, Vector3f dest) Multiply this Vector3f by the given matrix and store the result in dest.
Vector3f	mul(Vector3f v) Multiply this Vector3f component-wise by another Vector3f.
Vector3f	mul(Vector3f v, Vector3f dest) Multiply this Vector3f component-wise by another Vector3f and store the result in dest.
Vector3f	mulDirection(Matrix4f mat) Multiply this by the given 4x4 matrix mat.
Vector3f	mulDirection(Matrix4f mat, Vector3f dest) Multiply this by the given 4x4 matrix mat and store the result in dest.
Vector3f	mulPosition(Matrix4f mat) Multiply this by the given 4x4 matrix mat.
Vector3f	mulPosition(Matrix4f mat, Vector3f dest) Multiply this by the given 4x4 matrix mat and store the result in dest.
float	mulPositionW(Matrix4f mat) Multiply this by the given 4x4 matrix mat and return the w component of the resulting 4D vector.
float	mulPositionW(Matrix4f mat, Vector3f dest) Multiply this by the given 4x4 matrix mat, store the result in dest and return the w component of the resulting 4D vector.
Vector3f	mulProject(Matrix4f mat) Multiply this Vector3f by the given matrix mat, perform perspective division.
Vector3f	mulProject(Matrix4f mat, Vector3f dest) Multiply this Vector3f by the given matrix mat, perform perspective division and store the result in dest.
Vector3f	negate() Negate this vector.
Vector3f	negate(Vector3f dest) Negate this vector and store the result in dest.
Vector3f	normalize() Normalize this vector.
Vector3f	normalize(Vector3f dest) Normalize this vector and store the result in dest.
void	readExternal(ObjectInput in)
Vector3f	reflect(float x, float y, float z) Reflect this vector about the given normal vector.
Vector3f	reflect(float x, float y, float z, Vector3f dest) Reflect this vector about the given normal vector and store the result in dest.
Vector3f	reflect(Vector3f normal) Reflect this vector about the given normal vector.
Vector3f	reflect(Vector3f normal, Vector3f dest) Reflect this vector about the given normal vector and store the result in dest.
Vector3f	rotate(Quaternionf quat) Rotate this vector by the given quaternion quat and store the result in this.
Vector3f	rotate(Quaternionf quat, Vector3f dest) Rotate this vector by the given quaternion quat and store the result in dest.
Vector3f	set(ByteBuffer buffer) Read this vector from the supplied ByteBuffer at the current buffer position.
Vector3f	set(float d) Set the x, y, and z components to the supplied value.
Vector3f	set(FloatBuffer buffer) Read this vector from the supplied FloatBuffer at the current buffer position.
Vector3f	set(float x, float y, float z) Set the x, y and z components to the supplied values.
Vector3f	set(int index, ByteBuffer buffer) Read this vector from the supplied ByteBuffer starting at the specified absolute buffer position/index.
Vector3f	set(int component, float value) Set the value of the specified component of this vector.
Vector3f	set(int index, FloatBuffer buffer) Read this vector from the supplied FloatBuffer starting at the specified absolute buffer position/index.
Vector3f	set(Vector3f v) Set the x, y and z components to match the supplied vector.
Vector3f	smoothStep(Vector3f v, float t, Vector3f dest) Compute a smooth-step (i.e. hermite with zero tangents) interpolation between this vector and the given vector v and store the result in dest.
Vector3f	sub(float x, float y, float z) Decrement the components of this vector by the given values.
Vector3f	sub(float x, float y, float z, Vector3f dest) Decrement the components of this vector by the given values and store the result in dest.
Vector3f	sub(Vector3f v) Subtract the supplied vector from this one and store the result in this.
Vector3f	sub(Vector3f v, Vector3f dest) Subtract the supplied vector from this one and store the result in dest.
String	toString() Return a string representation of this vector.
String	toString(NumberFormat formatter) Return a string representation of this vector by formatting the vector components with the given NumberFormat.
void	writeExternal(ObjectOutput out)
Vector3f	zero() Set all components to zero.

Methods inherited from class java.lang.Object

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

Field Detail

x

public float x

The x component of the vector.

y

public float y

The y component of the vector.

z

public float z

The z component of the vector.

Constructor Detail

Vector3f

public Vector3f()

Create a new Vector3f of (0, 0, 0).

Vector3f

public Vector3f(float d)

Create a new Vector3f and initialize all three components with the given value.

Parameters:

d - the value of all three components

Vector3f

public Vector3f(float x,
                float y,
                float z)

Create a new Vector3f with the given component values.

Parameters:

x - the value of x

y - the value of y

z - the value of z

Vector3f

public Vector3f(Vector3f v)

Create a new Vector3f with the same values as v.

Parameters:

v - the Vector3f to copy the values from

Vector3f

public Vector3f(ByteBuffer buffer)

Create a new Vector3f and read this vector from the supplied ByteBuffer at the current buffer position.

This method will not increment the position of the given ByteBuffer.

In order to specify the offset into the ByteBuffer at which the vector is read, use Vector3f(int, ByteBuffer), taking the absolute position as parameter.

Parameters:

buffer - values will be read in x, y, z order

See Also:

Vector3f(int, ByteBuffer)

Vector3f

public Vector3f(int index,
                ByteBuffer buffer)

Create a new Vector3f and read this vector from the supplied ByteBuffer starting at the specified absolute buffer position/index.

This method will not increment the position of the given ByteBuffer.

Parameters:

index - the absolute position into the ByteBuffer

buffer - values will be read in x, y, z order

Vector3f

public Vector3f(FloatBuffer buffer)

Create a new Vector3f and read this vector from the supplied FloatBuffer at the current buffer position.

This method will not increment the position of the given FloatBuffer.

In order to specify the offset into the FloatBuffer at which the vector is read, use Vector3f(int, FloatBuffer), taking the absolute position as parameter.

Parameters:

buffer - values will be read in x, y, z order

See Also:

Vector3f(int, FloatBuffer)

Vector3f

public Vector3f(int index,
                FloatBuffer buffer)

Create a new Vector3f and read this vector from the supplied FloatBuffer starting at the specified absolute buffer position/index.

This method will not increment the position of the given FloatBuffer.

Parameters:

index - the absolute position into the FloatBuffer

buffer - values will be read in x, y, z order

Method Detail

set

public Vector3f set(Vector3f v)

Set the x, y and z components to match the supplied vector.

Parameters:

v - contains the values of x, y and z to set

Returns:

this

set

public Vector3f set(float d)

Set the x, y, and z components to the supplied value.

Parameters:

d - the value of all three components

Returns:

this

set

public Vector3f set(float x,
                    float y,
                    float z)

Set the x, y and z components to the supplied values.

Parameters:

x - the x component

y - the y component

z - the z component

Returns:

this

set

public Vector3f set(ByteBuffer buffer)

Read this vector from the supplied ByteBuffer at the current buffer position.

This method will not increment the position of the given ByteBuffer.

In order to specify the offset into the ByteBuffer at which the vector is read, use set(int, ByteBuffer), taking the absolute position as parameter.

Parameters:

buffer - values will be read in x, y, z order

Returns:

this

See Also:

set(int, ByteBuffer)

set

public Vector3f set(int index,
                    ByteBuffer buffer)

Read this vector from the supplied ByteBuffer starting at the specified absolute buffer position/index.

This method will not increment the position of the given ByteBuffer.

Parameters:

index - the absolute position into the ByteBuffer

buffer - values will be read in x, y, z order

Returns:

this

set

public Vector3f set(FloatBuffer buffer)

Read this vector from the supplied FloatBuffer at the current buffer position.

This method will not increment the position of the given FloatBuffer.

In order to specify the offset into the FloatBuffer at which the vector is read, use set(int, FloatBuffer), taking the absolute position as parameter.

Parameters:

buffer - values will be read in x, y, z order

Returns:

this

See Also:

set(int, FloatBuffer)

set

public Vector3f set(int index,
                    FloatBuffer buffer)

Read this vector from the supplied FloatBuffer starting at the specified absolute buffer position/index.

This method will not increment the position of the given FloatBuffer.

Parameters:

index - the absolute position into the FloatBuffer

buffer - values will be read in x, y, z order

Returns:

this

get

public FloatBuffer get(FloatBuffer buffer)

Store this vector into the supplied FloatBuffer at the current buffer position.

This method will not increment the position of the given FloatBuffer.

In order to specify the offset into the FloatBuffer at which the vector is stored, use get(int, FloatBuffer), taking the absolute position as parameter.

Parameters:

buffer - will receive the values of this vector in x, y, z order

Returns:

the passed in buffer

See Also:

get(int, FloatBuffer), get(int, FloatBuffer)

get

public FloatBuffer get(int index,
                       FloatBuffer buffer)

Store this vector into the supplied FloatBuffer starting at the specified absolute buffer position/index.

This method will not increment the position of the given FloatBuffer.

Parameters:

index - the absolute position into the FloatBuffer

buffer - will receive the values of this vector in x, y, z order

Returns:

the passed in buffer

get

public ByteBuffer get(ByteBuffer buffer)

Store this vector into the supplied ByteBuffer at the current buffer position.

This method will not increment the position of the given ByteBuffer.

In order to specify the offset into the ByteBuffer at which the vector is stored, use get(int, ByteBuffer), taking the absolute position as parameter.

Parameters:

buffer - will receive the values of this vector in x, y, z order

Returns:

the passed in buffer

See Also:

get(int, ByteBuffer), get(int, ByteBuffer)

get

public ByteBuffer get(int index,
                      ByteBuffer buffer)

Store this vector into the supplied ByteBuffer starting at the specified absolute buffer position/index.

This method will not increment the position of the given ByteBuffer.

Parameters:

index - the absolute position into the ByteBuffer

buffer - will receive the values of this vector in x, y, z order

Returns:

the passed in buffer

sub

public Vector3f sub(Vector3f v)

Subtract the supplied vector from this one and store the result in this.

Parameters:

v - the vector to subtract

Returns:

this

sub

public Vector3f sub(Vector3f v,
                    Vector3f dest)

Subtract the supplied vector from this one and store the result in dest.

Parameters:

v - the vector to subtract

dest - will hold the result

Returns:

dest

sub

public Vector3f sub(float x,
                    float y,
                    float z)

Decrement the components of this vector by the given values.

Parameters:

x - the x component to subtract

y - the y component to subtract

z - the z component to subtract

Returns:

this

sub

public Vector3f sub(float x,
                    float y,
                    float z,
                    Vector3f dest)

Decrement the components of this vector by the given values and store the result in dest.

Parameters:

x - the x component to subtract

y - the y component to subtract

z - the z component to subtract

dest - will hold the result

Returns:

dest

add

public Vector3f add(Vector3f v)

Add the supplied vector to this one.

Parameters:

v - the vector to add

Returns:

this

add

public Vector3f add(Vector3f v,
                    Vector3f dest)

Add the supplied vector to this one and store the result in dest.

Parameters:

v - the vector to add

dest - will hold the result

Returns:

dest

add

public Vector3f add(float x,
                    float y,
                    float z)

Increment the components of this vector by the given values.

Parameters:

x - the x component to add

y - the y component to add

z - the z component to add

Returns:

this

add

public Vector3f add(float x,
                    float y,
                    float z,
                    Vector3f dest)

Increment the components of this vector by the given values and store the result in dest.

Parameters:

x - the x component to add

y - the y component to add

z - the z component to add

dest - will hold the result

Returns:

dest

fma

public Vector3f fma(Vector3f a,
                    Vector3f b)

Add the component-wise multiplication of a * b to this vector.

Parameters:

a - the first multiplicand

b - the second multiplicand

Returns:

this

fma

public Vector3f fma(float a,
                    Vector3f b)

Add the component-wise multiplication of a * b to this vector.

Parameters:

a - the first multiplicand

b - the second multiplicand

Returns:

this

fma

public Vector3f fma(Vector3f a,
                    Vector3f b,
                    Vector3f dest)

Add the component-wise multiplication of a * b to this vector and store the result in dest.

Parameters:

a - the first multiplicand

b - the second multiplicand

dest - will hold the result

Returns:

dest

fma

public Vector3f fma(float a,
                    Vector3f b,
                    Vector3f dest)

Add the component-wise multiplication of a * b to this vector and store the result in dest.

Parameters:

a - the first multiplicand

b - the second multiplicand

dest - will hold the result

Returns:

dest

mul

public Vector3f mul(Vector3f v)

Multiply this Vector3f component-wise by another Vector3f.

Parameters:

v - the vector to multiply by

Returns:

this

mul

public Vector3f mul(Vector3f v,
                    Vector3f dest)

Multiply this Vector3f component-wise by another Vector3f and store the result in dest.

Parameters:

v - the vector to multiply by

dest - will hold the result

Returns:

dest

div

public Vector3f div(Vector3f v)

Divide this Vector3f component-wise by another Vector3f.

Parameters:

v - the vector to divide by

Returns:

this

div

public Vector3f div(Vector3f v,
                    Vector3f dest)

Divide this Vector3f component-wise by another Vector3f and store the result in dest.

Parameters:

v - the vector to divide by

dest - will hold the result

Returns:

dest

mulProject

public Vector3f mulProject(Matrix4f mat,
                           Vector3f dest)

Multiply this Vector3f by the given matrix mat, perform perspective division and store the result in dest.

This method uses w=1.0 as the fourth vector component.

Parameters:

mat - the matrix to multiply this vector by

dest - will hold the result

Returns:

dest

mulProject

public Vector3f mulProject(Matrix4f mat)

Multiply this Vector3f by the given matrix mat, perform perspective division.

This method uses w=1.0 as the fourth vector component.

Parameters:

mat - the matrix to multiply this vector by

Returns:

this

mul

public Vector3f mul(Matrix3f mat)

Multiply this Vector3f by the given matrix and store the result in this.

Parameters:

mat - the matrix

Returns:

this

mul

public Vector3f mul(Matrix3f mat,
                    Vector3f dest)

Multiply this Vector3f by the given matrix and store the result in dest.

Parameters:

mat - the matrix

dest - will hold the result

Returns:

dest

mulPosition

public Vector3f mulPosition(Matrix4f mat)

Multiply this by the given 4x4 matrix mat.

This method assumes the w component of this to be 1.0.

Parameters:

mat - the matrix to multiply this vector by

Returns:

this

mulPosition

public Vector3f mulPosition(Matrix4f mat,
                            Vector3f dest)

Multiply this by the given 4x4 matrix mat and store the result in dest.

This method assumes the w component of this to be 1.0.

Parameters:

mat - the matrix to multiply this vector by

dest - will hold the result

Returns:

dest

mulPositionW

public float mulPositionW(Matrix4f mat)

Multiply this by the given 4x4 matrix mat and return the w component of the resulting 4D vector.

This method assumes the w component of this to be 1.0.

Parameters:

mat - the matrix to multiply this vector by

Returns:

the w component of the resulting 4D vector after multiplication

mulPositionW

public float mulPositionW(Matrix4f mat,
                          Vector3f dest)

Multiply this by the given 4x4 matrix mat, store the result in dest and return the w component of the resulting 4D vector.

This method assumes the w component of this to be 1.0.

Parameters:

mat - the matrix to multiply this vector by

dest - will hold the (x, y, z) components of the resulting vector

Returns:

the w component of the resulting 4D vector after multiplication

mulDirection

public Vector3f mulDirection(Matrix4f mat)

Multiply this by the given 4x4 matrix mat.

This method assumes the w component of this to be 0.0.

Parameters:

mat - the matrix to multiply this vector by

Returns:

this

mulDirection

public Vector3f mulDirection(Matrix4f mat,
                             Vector3f dest)

Multiply this by the given 4x4 matrix mat and store the result in dest.

This method assumes the w component of this to be 0.0.

Parameters:

mat - the matrix to multiply this vector by

dest - will hold the result

Returns:

dest

mul

public Vector3f mul(float scalar)

Multiply all components of this Vector3f by the given scalar value.

Parameters:

scalar - the scalar to multiply this vector by

Returns:

this

mul

public Vector3f mul(float scalar,
                    Vector3f dest)

Multiply all components of this Vector3f by the given scalar value and store the result in dest.

Parameters:

scalar - the scalar to multiply this vector by

dest - will hold the result

Returns:

dest

mul

public Vector3f mul(float x,
                    float y,
                    float z)

Multiply the components of this Vector3f by the given scalar values and store the result in this.

Parameters:

x - the x component to multiply this vector by

y - the y component to multiply this vector by

z - the z component to multiply this vector by

Returns:

this

mul

public Vector3f mul(float x,
                    float y,
                    float z,
                    Vector3f dest)

Multiply the components of this Vector3f by the given scalar values and store the result in dest.

Parameters:

x - the x component to multiply this vector by

y - the y component to multiply this vector by

z - the z component to multiply this vector by

dest - will hold the result

Returns:

dest

div

public Vector3f div(float scalar)

Divide all components of this Vector3f by the given scalar value.

Parameters:

scalar - the scalar to divide by

Returns:

this

div

public Vector3f div(float scalar,
                    Vector3f dest)

Divide all components of this Vector3f by the given scalar value and store the result in dest.

Parameters:

scalar - the scalar to divide by

dest - will hold the result

Returns:

dest

div

public Vector3f div(float x,
                    float y,
                    float z)

Divide the components of this Vector3f by the given scalar values and store the result in this.

Parameters:

x - the x component to divide this vector by

y - the y component to divide this vector by

z - the z component to divide this vector by

Returns:

this

div

public Vector3f div(float x,
                    float y,
                    float z,
                    Vector3f dest)

Divide the components of this Vector3f by the given scalar values and store the result in dest.

Parameters:

x - the x component to divide this vector by

y - the y component to divide this vector by

z - the z component to divide this vector by

dest - will hold the result

Returns:

dest

rotate

public Vector3f rotate(Quaternionf quat)

Rotate this vector by the given quaternion quat and store the result in this.

Parameters:

quat - the quaternion to rotate this vector

Returns:

this

See Also:

Quaternionf.transform(Vector3f)

rotate

public Vector3f rotate(Quaternionf quat,
                       Vector3f dest)

Rotate this vector by the given quaternion quat and store the result in dest.

Parameters:

quat - the quaternion to rotate this vector

dest - will hold the result

Returns:

dest

See Also:

Quaternionf.transform(Vector3f)

lengthSquared

public float lengthSquared()

Return the length squared of this vector.

Returns:

the length squared

length

public float length()

Return the length of this vector.

Returns:

the length

normalize

public Vector3f normalize()

Normalize this vector.

Returns:

this

normalize

public Vector3f normalize(Vector3f dest)

Normalize this vector and store the result in dest.

Parameters:

dest - will hold the result

Returns:

dest

cross

public Vector3f cross(Vector3f v)

Set this vector to be the cross product of itself and v.

Parameters:

v - the other vector

Returns:

this

cross

public Vector3f cross(float x,
                      float y,
                      float z)

Set this vector to be the cross product of itself and (x, y, z).

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

Returns:

this

cross

public Vector3f cross(Vector3f v,
                      Vector3f dest)

Compute the cross product of this vector and v and store the result in dest.

Parameters:

v - the other vector

dest - will hold the result

Returns:

dest

cross

public Vector3f cross(float x,
                      float y,
                      float z,
                      Vector3f dest)

Compute the cross product of this vector and (x, y, z) and store the result in dest.

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

dest - will hold the result

Returns:

dest

distance

public float distance(Vector3f v)

Return the distance between this Vector and v.

Parameters:

v - the other vector

Returns:

the distance

distance

public float distance(float x,
                      float y,
                      float z)

Return the distance between this vector and (x, y, z).

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

Returns:

the euclidean distance

distanceSquared

public float distanceSquared(Vector3f v)

Return the square of the distance between this vector and v.

Parameters:

v - the other vector

Returns:

the squared of the distance

distanceSquared

public float distanceSquared(float x,
                             float y,
                             float z)

Return the square of the distance between this vector and (x, y, z).

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

Returns:

the square of the distance

dot

public float dot(Vector3f v)

Return the dot product of this vector and the supplied vector.

Parameters:

v - the other vector

Returns:

the dot product

dot

public float dot(float x,
                 float y,
                 float z)

Return the dot product of this vector and the vector (x, y, z).

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

Returns:

the dot product

angleCos

public float angleCos(Vector3f v)

Return the cosine of the angle between this vector and the supplied vector. Use this instead of Math.cos(this.angle(v)).

Parameters:

v - the other vector

Returns:

the cosine of the angle

See Also:

angle(Vector3f)

angle

public float angle(Vector3f v)

Return the angle between this vector and the supplied vector.

Parameters:

v - the other vector

Returns:

the angle, in radians

See Also:

angleCos(Vector3f)

min

public Vector3f min(Vector3f v)

Set the components of this vector to be the component-wise minimum of this and the other vector.

Parameters:

v - the other vector

Returns:

this

max

public Vector3f max(Vector3f v)

Set the components of this vector to be the component-wise maximum of this and the other vector.

Parameters:

v - the other vector

Returns:

this

zero

public Vector3f zero()

Set all components to zero.

Returns:

this

toString

public String toString()

Return a string representation of this vector.

This method creates a new DecimalFormat on every invocation with the format string " 0.000E0;-".

Overrides:

toString in class Object

Returns:

the string representation

toString

public String toString(NumberFormat formatter)

Return a string representation of this vector by formatting the vector components with the given NumberFormat.

Parameters:

formatter - the NumberFormat used to format the vector components with

Returns:

the string representation

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

negate

public Vector3f negate()

Negate this vector.

Returns:

this

negate

public Vector3f negate(Vector3f dest)

Negate this vector and store the result in dest.

Parameters:

dest - will hold the result

Returns:

dest

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

reflect

public Vector3f reflect(Vector3f normal)

Reflect this vector about the given normal vector.

Parameters:

normal - the vector to reflect about

Returns:

this

reflect

public Vector3f reflect(float x,
                        float y,
                        float z)

Reflect this vector about the given normal vector.

Parameters:

x - the x component of the normal

y - the y component of the normal

z - the z component of the normal

Returns:

this

reflect

public Vector3f reflect(Vector3f normal,
                        Vector3f dest)

Reflect this vector about the given normal vector and store the result in dest.

Parameters:

normal - the vector to reflect about

dest - will hold the result

Returns:

dest

reflect

public Vector3f reflect(float x,
                        float y,
                        float z,
                        Vector3f dest)

Reflect this vector about the given normal vector and store the result in dest.

Parameters:

x - the x component of the normal

y - the y component of the normal

z - the z component of the normal

dest - will hold the result

Returns:

dest

half

public Vector3f half(Vector3f other)

Compute the half vector between this and the other vector.

Parameters:

other - the other vector

Returns:

this

half

public Vector3f half(float x,
                     float y,
                     float z)

Compute the half vector between this and the vector (x, y, z).

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

Returns:

this

half

public Vector3f half(Vector3f other,
                     Vector3f dest)

Compute the half vector between this and the other vector and store the result in dest.

Parameters:

other - the other vector

dest - will hold the result

Returns:

dest

half

public Vector3f half(float x,
                     float y,
                     float z,
                     Vector3f dest)

Compute the half vector between this and the vector (x, y, z) and store the result in dest.

Parameters:

x - the x component of the other vector

y - the y component of the other vector

z - the z component of the other vector

dest - will hold the result

Returns:

dest

smoothStep

public Vector3f smoothStep(Vector3f v,
                           float t,
                           Vector3f dest)

Compute a smooth-step (i.e. hermite with zero tangents) interpolation between this vector and the given vector v and store the result in dest.

Parameters:

v - the other vector

t - the interpolation factor, within [0..1]

dest - will hold the result

Returns:

dest

hermite

public Vector3f hermite(Vector3f t0,
                        Vector3f v1,
                        Vector3f t1,
                        float t,
                        Vector3f dest)

Compute a hermite interpolation between this vector with its associated tangent t0 and the given vector v with its tangent t1 and store the result in dest.

Parameters:

t0 - the tangent of this vector

v1 - the other vector

t1 - the tangent of the other vector

t - the interpolation factor, within [0..1]

dest - will hold the result

Returns:

dest

lerp

public Vector3f lerp(Vector3f other,
                     float t)

Linearly interpolate this and other using the given interpolation factor t and store the result in this.

If t is 0.0 then the result is this. If the interpolation factor is 1.0 then the result is other.

Parameters:

other - the other vector

t - the interpolation factor between 0.0 and 1.0

Returns:

this

lerp

public Vector3f lerp(Vector3f other,
                     float t,
                     Vector3f dest)

Linearly interpolate this and other using the given interpolation factor t and store the result in dest.

If t is 0.0 then the result is this. If the interpolation factor is 1.0 then the result is other.

Parameters:

other - the other vector

t - the interpolation factor between 0.0 and 1.0

dest - will hold the result

Returns:

dest

get

public float get(int component)
          throws IllegalArgumentException

Get the value of the specified component of this vector.

Parameters:

component - the component, within [0..2]

Returns:

the value

Throws:

IllegalArgumentException - if component is not within [0..2]

set

public Vector3f set(int component,
                    float value)
             throws IllegalArgumentException

Set the value of the specified component of this vector.

Parameters:

component - the component whose value to set, within [0..2]

value - the value to set

Returns:

this

Throws:

IllegalArgumentException - if component is not within [0..2]

maxComponent

public int maxComponent()

Determine the component with the biggest absolute value.

Returns:

the component index, within [0..2]

minComponent

public int minComponent()

Determine the component with the smallest (towards zero) absolute value.

Returns:

the component index, within [0..2]