mikera.matrixx

Class Matrix33

java.lang.Object

mikera.transformz.ATransform

mikera.transformz.AAffineTransform

mikera.transformz.ALinearTransform

mikera.matrixx.AMatrix

mikera.matrixx.Matrix33

All Implemented Interfaces:

Cloneable, Iterable<AVector>, INDArray, IMatrix, ISpecialisedTransform

public final class Matrix33
extends AMatrix
implements ISpecialisedTransform

Specialised 3*3 Matrix for Vector3 maths, using primitive matrix elements

Author:

Mike

Field Summary

Fields

Modifier and Type	Field and Description
double	m00
double	m01
double	m02
double	m10
double	m11
double	m12
double	m20
double	m21
double	m22

Constructor Summary

Constructors

Constructor and Description
Matrix33() Create a new (zero-initialised) 3x3 Matrix
Matrix33(AMatrix m)
Matrix33(double m00, double m01, double m02, double m10, double m11, double m12, double m20, double m21, double m22)
Matrix33(Matrix33 source)

Method Summary

Methods

Modifier and Type	Method and Description
Matrix33	clone() Clones the transform, performing a deep copy where needed
Vector3	cloneRow(int row) Returns a row of the matrix as a cloned vector
int	columnCount() Returns the number of columns in the matrix
AMatrix	compose(AMatrix a)
Matrix33	compose(Matrix33 a)
static Matrix33	createIdentityMatrix()
double	determinant() Calculates the determinant of the matrix.
boolean	equals(Matrix33 m)
boolean	equals(Object o)
double	get(int row, int column) Returns a specified element in the matrix
Matrix33	getTranspose() Returns a transposed version of this matrix.
Matrix33	inverse() Return the inverse of this transformation if possible
boolean	isSquare() Returns true if the transform is square (same number of input and output dimensions)
int	rowCount() Returns the number of rows in the matrix
void	scale(double factor) Scales a matrix by a constant scalar factor.
void	set(int row, int column, double value) Sets a specified element in the matrix
Affine34	toAffineTransform()
void	transform(AVector source, AVector dest) Transforms the source vector, storing the result in the given destination vector
Vector3	transform(Vector3 source)
void	transform(Vector3 source, AVector dest)
void	transform(Vector3 source, Vector3 dest)
void	transformInPlace(AVector dest) Transforms a vector destructively.
void	transformInPlace(Vector3 dest)
void	transformNormal(AVector source, AVector dest)
void	transformNormal(Vector3 source, Vector3 dest)

Methods inherited from class mikera.matrixx.AMatrix

add, addMultiple, asVector, calculateElement, compose, composeWith, composeWith, copyOfMatrix, copyOfTranslationVector, dimensionality, elementSum, entrywiseMul, epsilonEquals, equals, equals, get, getColumn, getLeadingDiagonal, getMatrixComponent, getRow, hashCode, inputDimensions, isFullyMutable, isIdentity, isInvertible, isZeroMatrix, iterator, mul, outputDimensions, reshape, set, sub, swapColumns, swapRows, toMutableMatrix, toString, toVector, transposeInPlace

Methods inherited from class mikera.transformz.ALinearTransform

getTranslationComponent, isLinear

Methods inherited from class mikera.transformz.AAffineTransform

compose

Methods inherited from class mikera.transformz.ATransform

takeComponents, takeComponents, takeComponents, transform

Methods inherited from class java.lang.Object

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

Field Detail

m00

public double m00

m01

public double m01

m02

public double m02

m10

public double m10

m11

public double m11

m12

public double m12

m20

public double m20

m21

public double m21

m22

public double m22

Constructor Detail

Matrix33

public Matrix33()

Create a new (zero-initialised) 3x3 Matrix

Matrix33

public Matrix33(Matrix33 source)

Matrix33

public Matrix33(double m00,
        double m01,
        double m02,
        double m10,
        double m11,
        double m12,
        double m20,
        double m21,
        double m22)

Matrix33

public Matrix33(AMatrix m)

Method Detail

determinant

public double determinant()

Description copied from class: AMatrix

Calculates the determinant of the matrix.

Overrides:

determinant in class AMatrix

scale

public void scale(double factor)

Description copied from class: AMatrix

Scales a matrix by a constant scalar factor.

Overrides:

scale in class AMatrix

rowCount

public int rowCount()

Description copied from class: AMatrix

Returns the number of rows in the matrix

Specified by:

rowCount in interface IMatrix

Specified by:

rowCount in class AMatrix

columnCount

public int columnCount()

Description copied from class: AMatrix

Returns the number of columns in the matrix

Specified by:

columnCount in interface IMatrix

Specified by:

columnCount in class AMatrix

get

public double get(int row,
         int column)

Description copied from class: AMatrix

Returns a specified element in the matrix

Specified by:

get in interface IMatrix

Specified by:

get in class AMatrix

set

public void set(int row,
       int column,
       double value)

Description copied from class: AMatrix

Sets a specified element in the matrix

Specified by:

set in interface IMatrix

Specified by:

set in class AMatrix

compose

public AMatrix compose(AMatrix a)

Overrides:

compose in class AMatrix

compose

public Matrix33 compose(Matrix33 a)

transform

public void transform(AVector source,
             AVector dest)

Description copied from class: ATransform

Transforms the source vector, storing the result in the given destination vector

Overrides:

transform in class AMatrix

transform

public void transform(Vector3 source,
             AVector dest)

transform

public void transform(Vector3 source,
             Vector3 dest)

transformNormal

public void transformNormal(AVector source,
                   AVector dest)

Overrides:

transformNormal in class AAffineTransform

transformNormal

public void transformNormal(Vector3 source,
                   Vector3 dest)

transform

public Vector3 transform(Vector3 source)

transformInPlace

public void transformInPlace(AVector dest)

Description copied from class: ATransform

Transforms a vector destructively. Intended for fast non-allocating transforms

Overrides:

transformInPlace in class AMatrix

transformInPlace

public void transformInPlace(Vector3 dest)

isSquare

public boolean isSquare()

Description copied from class: ATransform

Returns true if the transform is square (same number of input and output dimensions)

Overrides:

isSquare in class AMatrix

Returns:

toAffineTransform

public Affine34 toAffineTransform()

Overrides:

toAffineTransform in class AMatrix

getTranspose

public Matrix33 getTranspose()

Description copied from class: AMatrix

Returns a transposed version of this matrix. May or may not be a reference.

Overrides:

getTranspose in class AMatrix

Returns:

cloneRow

public Vector3 cloneRow(int row)

Returns a row of the matrix as a cloned vector

Overrides:

cloneRow in class AMatrix

inverse

public Matrix33 inverse()

Description copied from class: ATransform

Return the inverse of this transformation if possible

Overrides:

inverse in class AMatrix

Returns:

clone

public Matrix33 clone()

Description copied from class: ATransform

Clones the transform, performing a deep copy where needed

Overrides:

clone in class AMatrix

equals

public boolean equals(Object o)

Overrides:

equals in class AMatrix

equals

public boolean equals(Matrix33 m)

createIdentityMatrix

public static Matrix33 createIdentityMatrix()