public class Vector3D extends Object
Constructor and Description |
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Vector3D(Coordinate v)
Creates a new 3D vector from a
Coordinate . |
Vector3D(Coordinate from,
Coordinate to)
Creates a new vector with the direction and magnitude
of the difference between the
to and from
Coordinate s. |
Vector3D(double x,
double y,
double z)
Creates a vector with the givne components.
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Modifier and Type | Method and Description |
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Vector3D |
add(Vector3D v)
Computes a vector which is the sum
of this vector and the given vector.
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static Vector3D |
create(Coordinate coord)
Creates a vector from a 3D
Coordinate . |
static Vector3D |
create(double x,
double y,
double z)
Creates a new vector with given X, Y and Z components.
|
Vector3D |
divide(double d)
Creates a new vector which has the same direction
and with length equals to the length of this vector
divided by the scalar value
d . |
static double |
dot(Coordinate v1,
Coordinate v2)
Computes the 3D dot-product of two
Coordinate s. |
static double |
dot(Coordinate A,
Coordinate B,
Coordinate C,
Coordinate D)
Computes the dot product of the 3D vectors AB and CD.
|
double |
dot(Vector3D v)
Computes the dot-product of two vectors
|
boolean |
equals(Object o)
Tests if a vector o has the same values for the components.
|
double |
getX()
Gets the X component of this vector.
|
double |
getY()
Gets the Y component of this vector.
|
double |
getZ()
Gets the Z component of this vector.
|
int |
hashCode()
Gets a hashcode for this vector.
|
double |
length()
Computes the length of this vector.
|
static double |
length(Coordinate v)
Computes the length of a vector.
|
Vector3D |
normalize()
Computes a vector having identical direction
but normalized to have length 1.
|
static Coordinate |
normalize(Coordinate v)
Computes a vector having identical direction
but normalized to have length 1.
|
Vector3D |
subtract(Vector3D v)
Computes a vector which is the difference
of this vector and the given vector.
|
String |
toString()
Gets a string representation of this vector
|
public Vector3D(Coordinate v)
Coordinate
. The coordinate should have
the X,Y and Z ordinates specified.v
- the Coordinate to copypublic Vector3D(Coordinate from, Coordinate to)
Coordinate
s.from
- the origin Coordinateto
- the destination Coordinatepublic Vector3D(double x, double y, double z)
x
- the X componenty
- the Y componentz
- the Z componentpublic static double dot(Coordinate A, Coordinate B, Coordinate C, Coordinate D)
A
- the start point of the first vectorB
- the end point of the first vectorC
- the start point of the second vectorD
- the end point of the second vectorpublic static Vector3D create(double x, double y, double z)
x
- the X componenty
- the Y componentz
- the Z componentpublic static Vector3D create(Coordinate coord)
Coordinate
.
The coordinate should have the
X,Y and Z ordinates specified.coord
- the Coordinate to copypublic static double dot(Coordinate v1, Coordinate v2)
Coordinate
s.v1
- the first vectorv2
- the second vectorpublic double getX()
public double getY()
public double getZ()
public Vector3D add(Vector3D v)
v
- the vector to addv
public Vector3D subtract(Vector3D v)
v
- the vector to subtractv
public Vector3D divide(double d)
d
.d
- the scalar divisorpublic double dot(Vector3D v)
v
- a vectorpublic double length()
public static double length(Coordinate v)
v
- a coordinate representing a 3D vectorpublic Vector3D normalize()
public static Coordinate normalize(Coordinate v)
v
- a coordinate representing a 3D vectorpublic String toString()
public boolean equals(Object o)
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