java.lang.Object
- org.arakhne.afc.math.geometry.d2.d.Tuple2d<Vector2d>
- - org.arakhne.afc.math.geometry.d2.d.Vector2d

All Implemented Interfaces:

Serializable, Cloneable, Tuple2D<Vector2d>, Vector2D<Vector2d,Point2d>, JsonableObject
```
public class Vector2d
extends Tuple2d<Vector2d>
implements Vector2D<Vector2d,Point2d>
```
2D Vector with 2 double precision floating-point numbers.

Since:

13.0

Version:

17.0 2020-01-04 14:41:43

Author:

Stéphane GALLAND

See Also:

Serialized Form

Maven Group Id:

org.arakhne.afc.core

Maven Artifact Id:

mathgeom

Nested Class Summary
- Nested classes/interfaces inherited from interface org.arakhne.afc.math.geometry.d2.Vector2D
  Vector2D.PowerResult<T extends Vector2D<? super T,?>>

Field Summary
- Fields inherited from class org.arakhne.afc.math.geometry.d2.d.Tuple2d
  x, y

Constructor Summary

Constructors
Constructor	Description
`Vector2d()`	Construct a zero vector.
`Vector2d(double[] tuple)`	Constructor by copy.
`Vector2d(double x, double y)`	Construct a vector with the given coordinates.
`Vector2d(float x, float y)`	Construct a vector with the given coordinates.
`Vector2d(int[] tuple)`	Constructor by copy.
`Vector2d(int x, int y)`	Construct a vector with the given coordinates.
`Vector2d(long x, long y)`	Construct a vector with the given coordinates.
`Vector2d(Tuple2D<?> tuple)`	Constructor by copy.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(Vector2D<?,?> vector)`	Sets the value of this tuple to the sum of itself and the given vector.
`void`	`add(Vector2D<?,?> vector1, Vector2D<?,?> vector2)`	Sets the value of this tuple to the sum of tuples vector1 and vector2.
`static Vector2d`	`convert(Tuple2D<?> tuple)`	Convert the given tuple to a real Vector2d.
`double`	`dot(Vector2D<?,?> vector)`	Computes the dot product of the this vector and the given vector.
`GeomFactory2d`	`getGeomFactory()`	Replies the geometry factory associated to this point.
`double`	`getLength()`	Returns the length of this vector.
`double`	`getLengthSquared()`	Returns the squared length of this vector.
`double`	`perp(Vector2D<?,?> vector)`	Compute the the perpendicular product of the two vectors (aka. the determinant of two vectors).
`void`	`scaleAdd(double scale, Vector2D<?,?> vector)`	Sets the value of this tuple to the scalar multiplication of itself and then adds tuple vector (this = s*this + vector).
`void`	`scaleAdd(double scale, Vector2D<?,?> vector1, Vector2D<?,?> vector2)`	Sets the value of this tuple to the scalar multiplication of the tuple vector1 plus the tuple vector2 (this = s*vector1 + vector2).
`void`	`scaleAdd(int scale, Vector2D<?,?> vector)`	Sets the value of this tuple to the scalar multiplication of itself and then adds tuple vector (this = s*this + vector).
`void`	`scaleAdd(int scale, Vector2D<?,?> vector1, Vector2D<?,?> vector2)`	Sets the value of this tuple to the scalar multiplication of tuple t1 plus tuple t2 (this = s*t1 + t2).
`void`	`setLength(double newLength)`	Change the length of the vector.
`void`	`sub(Point2D<?,?> point1, Point2D<?,?> point2)`	Sets the value of this tuple to the difference of tuples point1 and point2 (this = point1 - point2).
`void`	`sub(Vector2D<?,?> vector)`	Sets the value of this tuple to the difference of itself and vector (this = this - vector).
`void`	`sub(Vector2D<?,?> vector1, Vector2D<?,?> vector2)`	Sets the value of this tuple to the difference of tuples vector1 and vector2 (this = vector1 - vector2).
`static Vector2d`	`toOrientationVector(double angle)`	Replies the orientation vector, which is corresponding to the given angle on a trigonometric circle.
`UnmodifiableVector2D<Vector2d,Point2d>`	`toUnmodifiable()`	Replies an unmodifiable copy of this vector.

Methods inherited from class org.arakhne.afc.math.geometry.d2.d.Tuple2d
absolute, absolute, add, add, addX, addX, addY, addY, clone, equals, getX, getY, hashCode, ix, iy, negate, negate, scale, scale, scale, scale, set, set, set, set, set, setX, setX, setY, setY, sub, sub, subX, subX, subY, subY, toJson, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.arakhne.afc.vmutil.json.JsonableObject
toJson

Methods inherited from interface org.arakhne.afc.math.geometry.d2.Tuple2D
absolute, absolute, add, add, addX, addX, addY, addY, clamp, clamp, clamp, clamp, clampMax, clampMax, clampMax, clampMax, clampMin, clampMin, clampMin, clampMin, clone, epsilonEquals, equals, equals, get, get, get, getX, getY, hashCode, interpolate, interpolate, ix, iy, negate, negate, scale, scale, scale, scale, set, set, set, set, set, setX, setX, setY, setY, sub, sub, subX, subX, subY, subY

Methods inherited from interface org.arakhne.afc.math.geometry.d2.Vector2D
$div, $minus, $minus, $minus, $minus, $plus, $plus, $plus, $times, $times, $up, $up, angle, getOrientationAngle, isOrthogonal, isUnitVector, makeOrthogonal, normalize, normalize, operator_add, operator_divide, operator_doubleDotLessThan, operator_elvis, operator_equals, operator_greaterThanDoubleDot, operator_minus, operator_minus, operator_minus, operator_minus, operator_multiply, operator_multiply, operator_notEquals, operator_plus, operator_plus, operator_plus, operator_power, operator_power, operator_remove, operator_upTo, power, signedAngle, toColinearVector, toOrthogonalVector, toUnitVector, turn, turn, turnLeft, turnLeft, turnLeft, turnRight, turnRight

- Constructor Detail
  - Vector2d
```
public Vector2d()
```
    Construct a zero vector.
  - Vector2d
```
public Vector2d(Tuple2D<?> tuple)
```
    Constructor by copy.
    
    Parameters:
    
    tuple - is the tuple to copy.
  - Vector2d
```
public Vector2d(int[] tuple)
```
    Constructor by copy.
    
    Parameters:
    
    tuple - is the tuple to copy.
  - Vector2d
```
public Vector2d(double[] tuple)
```
    Constructor by copy.
    
    Parameters:
    
    tuple - is the tuple to copy.
  - Vector2d
```
public Vector2d(int x,
                int y)
```
    Construct a vector with the given coordinates.
    
    Parameters:
    
    x - x coordinate.
    
    y - y coordinate.
  - Vector2d
```
public Vector2d(float x,
                float y)
```
    Construct a vector with the given coordinates.
    
    Parameters:
    
    x - x coordinate.
    
    y - y coordinate.
  - Vector2d
```
public Vector2d(double x,
                double y)
```
    Construct a vector with the given coordinates.
    
    Parameters:
    
    x - x coordinate.
    
    y - y coordinate.
  - Vector2d
```
public Vector2d(long x,
                long y)
```
    Construct a vector with the given coordinates.
    
    Parameters:
    
    x - x coordinate.
    
    y - y coordinate.
- Method Detail
  - convert
```
public static Vector2d convert(Tuple2D<?> tuple)
```
    Convert the given tuple to a real Vector2d.
    If the given tuple is already a Vector2d, it is replied.
    
    Parameters:
    
    tuple - the tuple.
    
    Returns:
    
    the Vector2d.
    
    Since:
    
    14.0
  - toOrientationVector
```
@Pure
public static Vector2d toOrientationVector(double angle)
```
    Replies the orientation vector, which is corresponding to the given angle on a trigonometric circle.
    
    Parameters:
    
    angle - is the angle in radians to translate.
    
    Returns:
    
    the orientation vector which is corresponding to the given angle.
  - getGeomFactory
```
public GeomFactory2d getGeomFactory()
```
    Description copied from interface: Vector2D
    
    Replies the geometry factory associated to this point.
    
    Specified by:
    
    getGeomFactory in interface Vector2D<Vector2d,Point2d>
    
    Returns:
    
    the factory.
  - dot
```
@Pure
public double dot(Vector2D<?,?> vector)
```
    Description copied from interface: Vector2D
    
    Computes the dot product of the this vector and the given vector.
    
    Specified by:
    
    dot in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    vector - the other vector
    
    Returns:
    
    the dot product.
  - perp
```
@Pure
public double perp(Vector2D<?,?> vector)
```
    Description copied from interface: Vector2D
    Compute the the perpendicular product of the two vectors (aka. the determinant of two vectors).
    det(X1, X2) = |X1|.|X2|.sin(a)
    where X1 and X2 are two vectors and a is the angle between X1 and X2.
    Specified by:
    
    perp in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    vector - the vertor.
    
    Returns:
    
    the determinant
  - getLength
```
@Pure
public double getLength()
```
    Description copied from interface: Vector2D
    
    Returns the length of this vector.
    
    Specified by:
    
    getLength in interface Vector2D<Vector2d,Point2d>
    
    Returns:
    
    the length of this vector
  - getLengthSquared
```
@Pure
public double getLengthSquared()
```
    Description copied from interface: Vector2D
    
    Returns the squared length of this vector.
    
    Specified by:
    
    getLengthSquared in interface Vector2D<Vector2d,Point2d>
    
    Returns:
    
    the squared length of this vector
  - add
```
public void add(Vector2D<?,?> vector1,
                Vector2D<?,?> vector2)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the sum of tuples vector1 and vector2.
    
    Specified by:
    
    add in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    vector1 - the first tuple
    
    vector2 - the second tuple
  - add
```
public void add(Vector2D<?,?> vector)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the sum of itself and the given vector.
    
    Specified by:
    
    add in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    vector - the other tuple
  - scaleAdd
```
public void scaleAdd(int scale,
                     Vector2D<?,?> vector1,
                     Vector2D<?,?> vector2)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the scalar multiplication of tuple t1 plus tuple t2 (this = s*t1 + t2).
    
    Specified by:
    
    scaleAdd in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    scale - the scalar value
    
    vector1 - the tuple to be multipled
    
    vector2 - the tuple to be added
  - scaleAdd
```
public void scaleAdd(double scale,
                     Vector2D<?,?> vector1,
                     Vector2D<?,?> vector2)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the scalar multiplication of the tuple vector1 plus the tuple vector2 (this = s*vector1 + vector2).
    
    Specified by:
    
    scaleAdd in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    scale - the scalar value
    
    vector1 - the tuple to be multipled
    
    vector2 - the tuple to be added
  - scaleAdd
```
public void scaleAdd(int scale,
                     Vector2D<?,?> vector)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the scalar multiplication of itself and then adds tuple vector (this = s*this + vector).
    
    Specified by:
    
    scaleAdd in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    scale - the scalar value
    
    vector - the tuple to be added
  - scaleAdd
```
public void scaleAdd(double scale,
                     Vector2D<?,?> vector)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the scalar multiplication of itself and then adds tuple vector (this = s*this + vector).
    
    Specified by:
    
    scaleAdd in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    scale - the scalar value
    
    vector - the tuple to be added
  - sub
```
public void sub(Vector2D<?,?> vector1,
                Vector2D<?,?> vector2)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the difference of tuples vector1 and vector2 (this = vector1 - vector2).
    
    Specified by:
    
    sub in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    vector1 - the first tuple
    
    vector2 - the second tuple
  - sub
```
public void sub(Point2D<?,?> point1,
                Point2D<?,?> point2)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the difference of tuples point1 and point2 (this = point1 - point2).
    
    Specified by:
    
    sub in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    point1 - the first tuple
    
    point2 - the second tuple
  - sub
```
public void sub(Vector2D<?,?> vector)
```
    Description copied from interface: Vector2D
    
    Sets the value of this tuple to the difference of itself and vector (this = this - vector).
    
    Specified by:
    
    sub in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    vector - the other tuple
  - setLength
```
public void setLength(double newLength)
```
    Description copied from interface: Vector2D
    
    Change the length of the vector. The direction of the vector is unchanged.
    
    Specified by:
    
    setLength in interface Vector2D<Vector2d,Point2d>
    
    Parameters:
    
    newLength - - the new length.
  - toUnmodifiable
```
@Pure
public UnmodifiableVector2D<Vector2d,Point2d> toUnmodifiable()
```
    Description copied from interface: Vector2D
    
    Replies an unmodifiable copy of this vector.
    
    Specified by:
    
    toUnmodifiable in interface Vector2D<Vector2d,Point2d>
    
    Returns:
    
    an unmodifiable copy.

Class Vector2d

Nested Class Summary

Nested classes/interfaces inherited from interface org.arakhne.afc.math.geometry.d2.Vector2D

Field Summary

Fields inherited from class org.arakhne.afc.math.geometry.d2.d.Tuple2d

Constructor Summary

Method Summary

Methods inherited from class org.arakhne.afc.math.geometry.d2.d.Tuple2d

Methods inherited from class java.lang.Object

Methods inherited from interface org.arakhne.afc.vmutil.json.JsonableObject

Methods inherited from interface org.arakhne.afc.math.geometry.d2.Tuple2D

Methods inherited from interface org.arakhne.afc.math.geometry.d2.Vector2D

Constructor Detail

Vector2d

Vector2d

Vector2d

Vector2d

Vector2d

Vector2d

Vector2d

Vector2d

Method Detail

convert

toOrientationVector

getGeomFactory

dot

perp

getLength

getLengthSquared

add

add

scaleAdd

scaleAdd

scaleAdd

scaleAdd

sub

sub

sub

setLength

toUnmodifiable