Package gaia.cu9.ari.gaiaorbit.util.math
Class Vector3d
- java.lang.Object
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- gaia.cu9.ari.gaiaorbit.util.math.Vector3d
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public class Vector3d extends java.lang.Object implements java.io.Serializable, Vectord<Vector3d>
Copy of libgdx's Vector3d class using doubles for some precision calculations.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Vector3d()
Constructs a vector at (0,0,0)Vector3d(double[] values)
Creates a vector from the given array.Vector3d(double x, double y, double z)
Creates a vector with the given componentsVector3d(Vector3d vector)
Creates a vector from the given vector
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Vector3d
add(double values)
Adds the given value to all three components of the vector.Vector3d
add(double... vals)
Adds the given vector to this componentVector3d
add(double x, double y, double z)
Adds the given vector to this componentVector3d
add(com.badlogic.gdx.math.Vector3 vector)
Vector3d
add(Vector3d vector)
Adds the given vector to this vectordouble
angle(Vector3d v)
Gets the angle in degrees between the two vectorsdouble
anglePrecise(Vector3d v)
Gets the angle in degrees between the two vectorsVector3d
clamp(double min, double max)
Clamps this vector's length to given min and max valuesVector3d
cpy()
Vector3d
crs(double x, double y, double z)
Sets this vector to the cross product between it and the other vector.Vector3d
crs(Vector3d vector)
Sets this vector to the cross product between it and the other vector.static Vector3d
crs(Vector3d v, Vector3d w)
Calculates the outer product of two given vectorsv
andw
and returns the result as a newGVector3d
.Vector3d
div(Vector3d vec)
double
dot(double x, double y, double z)
Returns the dot product between this and the given vector.static double
dot(double x1, double y1, double z1, double x2, double y2, double z2)
double
dot(Vector3d vector)
double
dst(double x, double y, double z)
static double
dst(double x1, double y1, double z1, double x2, double y2, double z2)
double
dst(Vector3d vector)
double
dst2(double x, double y, double z)
Returns the squared distance between this point and the given pointstatic double
dst2(double x1, double y1, double z1, double x2, double y2, double z2)
double
dst2(Vector3d point)
This method is faster thanVectord.dst(Vectord)
because it avoids calculating a square root.boolean
epsilonEquals(float x, float y, float z)
Compares this vector with the other vector using MathUtils.FLOAT_ROUNDING_ERROR for fuzzy equality testingboolean
epsilonEquals(float x, float y, float z, float epsilon)
Compares this vector with the other vector, using the supplied epsilon for fuzzy equality testing.boolean
epsilonEquals(Vector3d other)
Compares this vector with the other vector using MathUtils.FLOAT_ROUNDING_ERROR for fuzzy equality testingboolean
epsilonEquals(Vector3d other, double epsilon)
Compares this vector with the other vector, using the supplied epsilon for fuzzy equality testing.boolean
equals(java.lang.Object obj)
com.badlogic.gdx.math.Matrix4
getMatrix(com.badlogic.gdx.math.Matrix4 aux)
Sets the matrix aux to a translation matrix using this vectorMatrix4d
getMatrix(Matrix4d aux)
Sets the given matrix to a translation matrix using this vectorstatic Vector3d
getUnitX()
static Vector3d
getUnitY()
static Vector3d
getUnitZ()
int
hashCode()
boolean
hasNaN()
boolean
hasOppositeDirection(Vector3d vector)
boolean
hasSameDirection(Vector3d vector)
boolean
idt(Vector3d vector)
Vector3d
interpolate(Vector3d target, double alpha, Interpolationd interpolator)
Interpolates between this vector and the given target vector by alpha (within range [0,1]) using the given Interpolation method.boolean
isCollinear(Vector3d other)
boolean
isCollinear(Vector3d other, double epsilon)
boolean
isCollinearOpposite(Vector3d other)
boolean
isCollinearOpposite(Vector3d other, double epsilon)
boolean
isOnLine(Vector3d other)
boolean
isOnLine(Vector3d other, double epsilon)
boolean
isPerpendicular(Vector3d vector)
boolean
isPerpendicular(Vector3d vector, double epsilon)
boolean
isUnit()
boolean
isUnit(double margin)
boolean
isZero()
boolean
isZero(double margin)
double
len()
static double
len(double x, double y, double z)
double
len2()
This method is faster thanVectord.len()
because it avoids calculating a square root.static double
len2(double x, double y, double z)
Vector3d
lerp(Vector3d target, double alpha)
Linearly interpolates between this vector and the target vector by alpha which is in the range [0,1].Vector3d
limit(double limit)
Limits the length of this vector, based on the desired maximum length.Vector3d
limit2(double limit2)
Limits the length of this vector, based on the desired maximum length squared.Vector3d
mul(Matrix4d matrix)
Left-multiplies the vector by the given matrix, assuming the fourth (w) component of the vector is 1.Vector3d
mul(Quaterniond quat)
Multiplies the vector by the givenQuaternion
.Vector3d
mul(Vector3d vec)
Vector3d
mul4x3(double[] matrix)
Left-multiplies the vector by the given 4x3 column major matrix.Vector3d
mulAdd(Vector3d vec, double scalar)
First scale a supplied vector, then add it to this vector.Vector3d
mulAdd(Vector3d vec, Vector3d mulVec)
First scale a supplied vector, then add it to this vector.Vector3d
mulLeft(com.badlogic.gdx.math.Matrix3 matrix)
Vector3d
mulRight(com.badlogic.gdx.math.Matrix3 matrix)
Vector3d
nor()
Normalizes this vector.Vector3d
prj(Matrix4d matrix)
Multiplies this vector by the given matrix dividing by w, assuming the fourth (w) component of the vector is 1.com.badlogic.gdx.math.Vector3
put(com.badlogic.gdx.math.Vector3 vector)
Vector3d
put(Vector3d vector)
Vector3d
rot(Matrix4d matrix)
Multiplies this vector by the first three columns of the matrix, essentially only applying rotation and scaling.Vector3d
rotate(double degrees, double axisX, double axisY, double axisZ)
Rotates this vector by the given angle in degrees around the given axis.Vector3d
rotate(Vector3d axis, double degrees)
Rotates this vector by the given angle in degrees around the given axis.Vector3d
rotateRad(double radians, double axisX, double axisY, double axisZ)
Rotates this vector by the given angle in radians around the given axis.Vector3d
rotateRad(Vector3d axis, double radians)
Rotates this vector by the given angle in radians around the given axis.Vector3d
rotateVectorByQuaternion(Quaterniond q)
Rotates this vector by a quaternion, using "vector rotation" according to (60) in LL-072.Vector3d
scaleAdd(double s, Vector3d v)
Scales a given vector with a scalar and add the result to this one, i.e.Vector3d
scl(double scalar)
Scales this vector by a scalarVector3d
scl(double vx, double vy, double vz)
Scales this vector by the given valuesVector3d
scl(Vector3d other)
Scales this vector by another vectorVector3d
set(double[] values)
Sets the components from the array.Vector3d
set(double x, double y, double z)
Sets the vector to the given componentsVector3d
set(float[] values)
Sets the components from the array.Vector3d
set(com.badlogic.gdx.math.Vector3 vector)
Vector3d
set(Vector3d vector)
Sets this vector from the given vectorVector3d
setFromSpherical(double azimuthalAngle, double polarAngle)
Sets the components from the given spherical coordinateVector3d
setLength(double len)
Sets the length of this vector.Vector3d
setLength2(double len2)
Sets the length of this vector, based on the square of the desired length.Vector3d
setToRandomDirection()
Sets this vector to the unit vector with a random directioncom.badlogic.gdx.math.Vector3
setVector3(com.badlogic.gdx.math.Vector3 v)
Returns set v to this vector by casting doubles to floats.Vector3d
setZero()
Sets the components of this vector to 0Vector3d
slerp(Vector3d target, double alpha)
Spherically interpolates between this vector and the target vector by alpha which is in the range [0,1].Vector3d
sub(double value)
Subtracts the given value from all components of this vectorVector3d
sub(double x, double y, double z)
Subtracts the other vector from this vector.Vector3d
sub(com.badlogic.gdx.math.Vector3 a_vec)
Vector3d
sub(Vector3d a_vec)
Subtracts the given vector from this vector.java.lang.String
toString()
com.badlogic.gdx.math.Vector3
toVector3()
Returns a vector3 representation of this vector by casting the doubles to floats.Vector3d
traMul(Matrix4d matrix)
Multiplies the vector by the transpose of the given matrix, assuming the fourth (w) component of the vector is 1.Vector3d
unrotate(Matrix4d matrix)
Multiplies this vector by the transpose of the first three columns of the matrix.Vector3d
untransform(Matrix4d matrix)
Translates this vector in the direction opposite to the translation of the matrix and the multiplies this vector by the transpose of the first three columns of the matrix.double[]
values()
float[]
valuesf()
float[]
valuesf(float[] vec)
double
x()
double
y()
double
z()
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Constructor Detail
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Vector3d
public Vector3d()
Constructs a vector at (0,0,0)
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Vector3d
public Vector3d(double x, double y, double z)
Creates a vector with the given components- Parameters:
x
- The x-componenty
- The y-componentz
- The z-component
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Vector3d
public Vector3d(Vector3d vector)
Creates a vector from the given vector- Parameters:
vector
- The vector
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Vector3d
public Vector3d(double[] values)
Creates a vector from the given array. The array must have at least 3 elements.- Parameters:
values
- The array
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Method Detail
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getUnitX
public static Vector3d getUnitX()
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getUnitY
public static Vector3d getUnitY()
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getUnitZ
public static Vector3d getUnitZ()
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x
public double x()
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y
public double y()
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z
public double z()
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set
public Vector3d set(double x, double y, double z)
Sets the vector to the given components- Parameters:
x
- The x-componenty
- The y-componentz
- The z-component- Returns:
- this vector for chaining
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set
public Vector3d set(Vector3d vector)
Description copied from interface:Vectord
Sets this vector from the given vector
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set
public Vector3d set(com.badlogic.gdx.math.Vector3 vector)
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put
public com.badlogic.gdx.math.Vector3 put(com.badlogic.gdx.math.Vector3 vector)
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set
public Vector3d set(double[] values)
Sets the components from the array. The array must have at least 3 elements- Parameters:
values
- The array- Returns:
- this vector for chaining
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set
public Vector3d set(float[] values)
Sets the components from the array. The array must have at least 3 elements- Parameters:
values
- The array- Returns:
- this vector for chaining
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setFromSpherical
public Vector3d setFromSpherical(double azimuthalAngle, double polarAngle)
Sets the components from the given spherical coordinate- Parameters:
azimuthalAngle
- The angle between x-axis in radians [0, 2pi]polarAngle
- The angle between z-axis in radians [0, pi]- Returns:
- This vector for chaining
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setToRandomDirection
public Vector3d setToRandomDirection()
Description copied from interface:Vectord
Sets this vector to the unit vector with a random direction- Specified by:
setToRandomDirection
in interfaceVectord<Vector3d>
- Returns:
- This vector for chaining
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cpy
public Vector3d cpy()
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add
public Vector3d add(Vector3d vector)
Description copied from interface:Vectord
Adds the given vector to this vector
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add
public Vector3d add(com.badlogic.gdx.math.Vector3 vector)
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add
public Vector3d add(double x, double y, double z)
Adds the given vector to this component- Parameters:
x
- The x-component of the other vectory
- The y-component of the other vectorz
- The z-component of the other vector- Returns:
- This vector for chaining.
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add
public Vector3d add(double... vals)
Adds the given vector to this component- Parameters:
vals
- The 3-value double vector.- Returns:
- This vector for chaining.
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add
public Vector3d add(double values)
Adds the given value to all three components of the vector.- Parameters:
values
- The value- Returns:
- This vector for chaining
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sub
public Vector3d sub(Vector3d a_vec)
Description copied from interface:Vectord
Subtracts the given vector from this vector.
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sub
public Vector3d sub(com.badlogic.gdx.math.Vector3 a_vec)
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sub
public Vector3d sub(double x, double y, double z)
Subtracts the other vector from this vector.- Parameters:
x
- The x-component of the other vectory
- The y-component of the other vectorz
- The z-component of the other vector- Returns:
- This vector for chaining
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sub
public Vector3d sub(double value)
Subtracts the given value from all components of this vector- Parameters:
value
- The value- Returns:
- This vector for chaining
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scl
public Vector3d scl(double scalar)
Description copied from interface:Vectord
Scales this vector by a scalar
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scl
public Vector3d scl(Vector3d other)
Description copied from interface:Vectord
Scales this vector by another vector
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scl
public Vector3d scl(double vx, double vy, double vz)
Scales this vector by the given values- Parameters:
vx
- X valuevy
- Y valuevz
- Z value- Returns:
- This vector for chaining
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mulAdd
public Vector3d mulAdd(Vector3d vec, double scalar)
Description copied from interface:Vectord
First scale a supplied vector, then add it to this vector.
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mulAdd
public Vector3d mulAdd(Vector3d vec, Vector3d mulVec)
Description copied from interface:Vectord
First scale a supplied vector, then add it to this vector.
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len
public static double len(double x, double y, double z)
- Returns:
- The euclidian length
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len
public double len()
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len2
public static double len2(double x, double y, double z)
- Returns:
- The squared euclidian length
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len2
public double len2()
Description copied from interface:Vectord
This method is faster thanVectord.len()
because it avoids calculating a square root. It is useful for comparisons, but not for getting exact lengths, as the return value is the square of the actual length.
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idt
public boolean idt(Vector3d vector)
- Parameters:
vector
- The other vector- Returns:
- Wether this and the other vector are equal
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dst
public static double dst(double x1, double y1, double z1, double x2, double y2, double z2)
- Returns:
- The euclidian distance between the two specified vectors
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dst
public double dst(Vector3d vector)
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dst
public double dst(double x, double y, double z)
- Returns:
- the distance between this point and the given point
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dst2
public static double dst2(double x1, double y1, double z1, double x2, double y2, double z2)
- Returns:
- the squared distance between the given points
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dst2
public double dst2(Vector3d point)
Description copied from interface:Vectord
This method is faster thanVectord.dst(Vectord)
because it avoids calculating a square root. It is useful for comparisons, but not for getting accurate distances, as the return value is the square of the actual distance.
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dst2
public double dst2(double x, double y, double z)
Returns the squared distance between this point and the given point- Parameters:
x
- The x-component of the other pointy
- The y-component of the other pointz
- The z-component of the other point- Returns:
- The squared distance
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nor
public Vector3d nor()
Description copied from interface:Vectord
Normalizes this vector. Does nothing if it is zero.
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dot
public static double dot(double x1, double y1, double z1, double x2, double y2, double z2)
- Returns:
- The dot product between the two vectors
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dot
public double dot(Vector3d vector)
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dot
public double dot(double x, double y, double z)
Returns the dot product between this and the given vector.- Parameters:
x
- The x-component of the other vectory
- The y-component of the other vectorz
- The z-component of the other vector- Returns:
- The dot product
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crs
public Vector3d crs(Vector3d vector)
Sets this vector to the cross product between it and the other vector.- Parameters:
vector
- The other vector- Returns:
- This vector for chaining
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crs
public static Vector3d crs(Vector3d v, Vector3d w)
Calculates the outer product of two given vectorsv
andw
and returns the result as a newGVector3d
.- Parameters:
v
- left operandw
- right operand- Returns:
- outer product of
v
andw
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crs
public Vector3d crs(double x, double y, double z)
Sets this vector to the cross product between it and the other vector.- Parameters:
x
- The x-component of the other vectory
- The y-component of the other vectorz
- The z-component of the other vector- Returns:
- This vector for chaining
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mul4x3
public Vector3d mul4x3(double[] matrix)
Left-multiplies the vector by the given 4x3 column major matrix. The matrix should be composed by a 3x3 matrix representing rotation and scale plus a 1x3 matrix representing the translation.- Parameters:
matrix
- The matrix- Returns:
- This vector for chaining
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mul
public Vector3d mul(Matrix4d matrix)
Left-multiplies the vector by the given matrix, assuming the fourth (w) component of the vector is 1.- Parameters:
matrix
- The matrix- Returns:
- This vector for chaining
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mulLeft
public Vector3d mulLeft(com.badlogic.gdx.math.Matrix3 matrix)
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mulRight
public Vector3d mulRight(com.badlogic.gdx.math.Matrix3 matrix)
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traMul
public Vector3d traMul(Matrix4d matrix)
Multiplies the vector by the transpose of the given matrix, assuming the fourth (w) component of the vector is 1.- Parameters:
matrix
- The matrix- Returns:
- This vector for chaining
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mul
public Vector3d mul(Quaterniond quat)
Multiplies the vector by the givenQuaternion
.- Returns:
- This vector for chaining
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prj
public Vector3d prj(Matrix4d matrix)
Multiplies this vector by the given matrix dividing by w, assuming the fourth (w) component of the vector is 1. This is mostly used to project/unproject vectors via a perspective projection matrix.- Parameters:
matrix
- The matrix.- Returns:
- This vector for chaining
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rot
public Vector3d rot(Matrix4d matrix)
Multiplies this vector by the first three columns of the matrix, essentially only applying rotation and scaling.- Parameters:
matrix
- The matrix- Returns:
- This vector for chaining
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unrotate
public Vector3d unrotate(Matrix4d matrix)
Multiplies this vector by the transpose of the first three columns of the matrix. Note: only works for translation and rotation, does not work for scaling. For those, userot(Matrix4d)
withMatrix4d.inv()
.- Parameters:
matrix
- The transformation matrix- Returns:
- The vector for chaining
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untransform
public Vector3d untransform(Matrix4d matrix)
Translates this vector in the direction opposite to the translation of the matrix and the multiplies this vector by the transpose of the first three columns of the matrix. Note: only works for translation and rotation, does not work for scaling. For those, usemul(Matrix4d)
withMatrix4d.inv()
.- Parameters:
matrix
- The transformation matrix- Returns:
- The vector for chaining
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rotate
public Vector3d rotate(double degrees, double axisX, double axisY, double axisZ)
Rotates this vector by the given angle in degrees around the given axis.- Parameters:
degrees
- the angle in degreesaxisX
- the x-component of the axisaxisY
- the y-component of the axisaxisZ
- the z-component of the axis- Returns:
- This vector for chaining
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rotateRad
public Vector3d rotateRad(double radians, double axisX, double axisY, double axisZ)
Rotates this vector by the given angle in radians around the given axis.- Parameters:
radians
- the angle in radiansaxisX
- the x-component of the axisaxisY
- the y-component of the axisaxisZ
- the z-component of the axis- Returns:
- This vector for chaining
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rotate
public Vector3d rotate(Vector3d axis, double degrees)
Rotates this vector by the given angle in degrees around the given axis.- Parameters:
axis
- the axisdegrees
- the angle in degrees- Returns:
- This vector for chaining
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rotateRad
public Vector3d rotateRad(Vector3d axis, double radians)
Rotates this vector by the given angle in radians around the given axis.- Parameters:
axis
- the axisradians
- the angle in radians- Returns:
- This vector for chaining
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getMatrix
public com.badlogic.gdx.math.Matrix4 getMatrix(com.badlogic.gdx.math.Matrix4 aux)
Sets the matrix aux to a translation matrix using this vector- Parameters:
aux
-- Returns:
- The matrix aux
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getMatrix
public Matrix4d getMatrix(Matrix4d aux)
Sets the given matrix to a translation matrix using this vector- Parameters:
aux
- The out matrix- Returns:
- The matrix with the transform
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isUnit
public boolean isUnit()
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isUnit
public boolean isUnit(double margin)
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isZero
public boolean isZero()
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isZero
public boolean isZero(double margin)
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isOnLine
public boolean isOnLine(Vector3d other, double epsilon)
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isOnLine
public boolean isOnLine(Vector3d other)
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isCollinear
public boolean isCollinear(Vector3d other, double epsilon)
- Specified by:
isCollinear
in interfaceVectord<Vector3d>
- Returns:
- true if this vector is collinear with the other vector (
Vectord.isOnLine(Vectord, double)
&&Vectord.hasSameDirection(Vectord)
).
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isCollinear
public boolean isCollinear(Vector3d other)
- Specified by:
isCollinear
in interfaceVectord<Vector3d>
- Returns:
- true if this vector is collinear with the other vector (
Vectord.isOnLine(Vectord)
&&Vectord.hasSameDirection(Vectord)
).
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isCollinearOpposite
public boolean isCollinearOpposite(Vector3d other, double epsilon)
- Specified by:
isCollinearOpposite
in interfaceVectord<Vector3d>
- Returns:
- true if this vector is opposite collinear with the other vector (
Vectord.isOnLine(Vectord, double)
&&Vectord.hasOppositeDirection(Vectord)
).
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isCollinearOpposite
public boolean isCollinearOpposite(Vector3d other)
- Specified by:
isCollinearOpposite
in interfaceVectord<Vector3d>
- Returns:
- true if this vector is opposite collinear with the other vector (
Vectord.isOnLine(Vectord)
&&Vectord.hasOppositeDirection(Vectord)
).
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isPerpendicular
public boolean isPerpendicular(Vector3d vector)
- Specified by:
isPerpendicular
in interfaceVectord<Vector3d>
- Returns:
- Whether this vector is perpendicular with the other vector. True if the dot product is 0.
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isPerpendicular
public boolean isPerpendicular(Vector3d vector, double epsilon)
- Specified by:
isPerpendicular
in interfaceVectord<Vector3d>
epsilon
- a positive small number close to zero- Returns:
- Whether this vector is perpendicular with the other vector. True if the dot product is 0.
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hasSameDirection
public boolean hasSameDirection(Vector3d vector)
- Specified by:
hasSameDirection
in interfaceVectord<Vector3d>
- Returns:
- Whether this vector has similar direction compared to the other vector. True if the normalized dot product is > 0.
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hasOppositeDirection
public boolean hasOppositeDirection(Vector3d vector)
- Specified by:
hasOppositeDirection
in interfaceVectord<Vector3d>
- Returns:
- Whether this vector has opposite direction compared to the other vector. True if the normalized dot product is < 0.
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lerp
public Vector3d lerp(Vector3d target, double alpha)
Description copied from interface:Vectord
Linearly interpolates between this vector and the target vector by alpha which is in the range [0,1]. The result is stored in this vector.
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interpolate
public Vector3d interpolate(Vector3d target, double alpha, Interpolationd interpolator)
Description copied from interface:Vectord
Interpolates between this vector and the given target vector by alpha (within range [0,1]) using the given Interpolation method. the result is stored in this vector.- Specified by:
interpolate
in interfaceVectord<Vector3d>
- Parameters:
target
- The target vectoralpha
- The interpolation coefficientinterpolator
- An Interpolation object describing the used interpolation method- Returns:
- This vector for chaining.
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slerp
public Vector3d slerp(Vector3d target, double alpha)
Spherically interpolates between this vector and the target vector by alpha which is in the range [0,1]. The result is stored in this vector.- Parameters:
target
- The target vectoralpha
- The interpolation coefficient- Returns:
- This vector for chaining.
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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limit
public Vector3d limit(double limit)
Description copied from interface:Vectord
Limits the length of this vector, based on the desired maximum length.
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limit2
public Vector3d limit2(double limit2)
Description copied from interface:Vectord
Limits the length of this vector, based on the desired maximum length squared. This method is slightly faster than limit().- Specified by:
limit2
in interfaceVectord<Vector3d>
- Parameters:
limit2
- squared desired maximum length for this vector- Returns:
- this vector for chaining
- See Also:
Vectord.len2()
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setLength
public Vector3d setLength(double len)
Description copied from interface:Vectord
Sets the length of this vector. Does nothing is this vector is zero.
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setLength2
public Vector3d setLength2(double len2)
Description copied from interface:Vectord
Sets the length of this vector, based on the square of the desired length. Does nothing is this vector is zero. This method is slightly faster than setLength().- Specified by:
setLength2
in interfaceVectord<Vector3d>
- Parameters:
len2
- desired square of the length for this vector- Returns:
- this vector for chaining
- See Also:
Vectord.len2()
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clamp
public Vector3d clamp(double min, double max)
Description copied from interface:Vectord
Clamps this vector's length to given min and max values
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values
public double[] values()
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valuesf
public float[] valuesf()
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valuesf
public float[] valuesf(float[] vec)
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scaleAdd
public Vector3d scaleAdd(double s, Vector3d v)
Scales a given vector with a scalar and add the result to this one, i.e.this = this + s*v
.- Parameters:
s
- scalar scaling factorv
- vector to scale- Returns:
- vector modified in place
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toVector3
public com.badlogic.gdx.math.Vector3 toVector3()
Returns a vector3 representation of this vector by casting the doubles to floats. This creates a new object- Returns:
- The vector3 representation of this vector3d
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setVector3
public com.badlogic.gdx.math.Vector3 setVector3(com.badlogic.gdx.math.Vector3 v)
Returns set v to this vector by casting doubles to floats.- Returns:
- The float vector v.
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rotateVectorByQuaternion
public Vector3d rotateVectorByQuaternion(Quaterniond q)
Rotates this vector by a quaternion, using "vector rotation" according to (60) in LL-072. Both the original and the returned vectors are expressed in the same reference frame as the quaternion.- Parameters:
q
- Quaternion defining the vector rotation.- Returns:
- the rotated vector.
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angle
public double angle(Vector3d v)
Gets the angle in degrees between the two vectors
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anglePrecise
public double anglePrecise(Vector3d v)
Gets the angle in degrees between the two vectors
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hasNaN
public boolean hasNaN()
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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equals
public boolean equals(java.lang.Object obj)
- Overrides:
equals
in classjava.lang.Object
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epsilonEquals
public boolean epsilonEquals(Vector3d other, double epsilon)
Description copied from interface:Vectord
Compares this vector with the other vector, using the supplied epsilon for fuzzy equality testing.- Specified by:
epsilonEquals
in interfaceVectord<Vector3d>
- Returns:
- whether the vectors have fuzzy equality.
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epsilonEquals
public boolean epsilonEquals(float x, float y, float z, float epsilon)
Compares this vector with the other vector, using the supplied epsilon for fuzzy equality testing.- Returns:
- whether the vectors are the same.
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epsilonEquals
public boolean epsilonEquals(Vector3d other)
Compares this vector with the other vector using MathUtils.FLOAT_ROUNDING_ERROR for fuzzy equality testing- Parameters:
other
- other vector to compare- Returns:
- true if vector are equal, otherwise false
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epsilonEquals
public boolean epsilonEquals(float x, float y, float z)
Compares this vector with the other vector using MathUtils.FLOAT_ROUNDING_ERROR for fuzzy equality testing- Parameters:
x
- x component of the other vector to comparey
- y component of the other vector to comparez
- z component of the other vector to compare- Returns:
- true if vector are equal, otherwise false
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