lt.monarch.chart.chart3D.engine.vecmath
Class Matrix4x4

java.lang.Object
  lt.monarch.chart.chart3D.engine.vecmath.Matrix4x4

All Implemented Interfaces:

java.io.Serializable

public class Matrix4x4
extends java.lang.Object
implements java.io.Serializable

Represents a matrix data and all operations for it.

See Also:

Serialized Form

Constructor and Description

Matrix4x4()
Constructs a new instance with default attribute values.

Matrix4x4(Matrix4x4 matrix)
Copy constructor.

Method Summary

Modifier and Type	Method and Description
static Matrix4x4	flipAboutY()
double[][]	get() Retrieves the specified matrix data fields.
static Matrix4x4	getCopy(Matrix4x4 m) Retrieves a new instance with data fields copied.
static Matrix4x4	mul_m4_m4(Matrix4x4 m1, Matrix4x4 m2) Multiplies two matrices.
static Point3D	mul_m4_v3(Matrix4x4 m, Point3D v) Transforms the vector.
static Matrix4x4	rotationAboutX(double angle) Retrieves a rotation matrix which rotates about x axis.
static Matrix4x4	rotationAboutY(double angle) Retrieves a rotation matrix which rotates about y axis.
static Matrix4x4	rotationAboutZ(double angle) Retrieves a rotation matrix which rotates about z axis.
static Matrix4x4	rotationMatrix(Point3D normal, double angle) Retrieves a rotation matrix.
static Matrix4x4	scaleMatrix(Point3D scale) Retrieves a scale matrix.
void	setValue(int row, int column, double value) Set matrix element value
static Matrix4x4	translationMatrix(Point3D translation) Retrieves a translation matrix.
static Matrix4x4	unitMatrix() Retrieves unit matrix.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Matrix4x4

public Matrix4x4()

Constructs a new instance with default attribute values.

Matrix4x4

public Matrix4x4(Matrix4x4 matrix)

Copy constructor.

Method Detail

get

public double[][] get()

Retrieves the specified matrix data fields.

Returns:

matrix data fields

mul_m4_m4

public static Matrix4x4 mul_m4_m4(Matrix4x4 m1,
                                  Matrix4x4 m2)

Multiplies two matrices.

Parameters:

m1 - the first matrix

m2 - the second matrix

Returns:

the product

mul_m4_v3

public static Point3D mul_m4_v3(Matrix4x4 m,
                                Point3D v)

Transforms the vector.

Parameters:

m - a matrix to transform with

v - a vector to be transformed

Returns:

a transformed vector

getCopy

public static Matrix4x4 getCopy(Matrix4x4 m)

Retrieves a new instance with data fields copied.

Parameters:

m - the matrix which data copy will be retrieved

Returns:

a new matrix instance

unitMatrix

public static Matrix4x4 unitMatrix()

Retrieves unit matrix.

Returns:

unit matrix

scaleMatrix

public static Matrix4x4 scaleMatrix(Point3D scale)

Retrieves a scale matrix.

Parameters:

scale - the scale for each axis

Returns:

the scale matrix

translationMatrix

public static Matrix4x4 translationMatrix(Point3D translation)

Retrieves a translation matrix.

Parameters:

translation - the translation vector

Returns:

the translation matrix

rotationMatrix

public static Matrix4x4 rotationMatrix(Point3D normal,
                                       double angle)

Retrieves a rotation matrix.

Parameters:

normal - the normal to rotate about

angle - the rotation angle

Returns:

a rotation matrix

rotationAboutX

public static Matrix4x4 rotationAboutX(double angle)

Retrieves a rotation matrix which rotates about x axis.

Parameters:

angle - the rotation angle

Returns:

a rotation matrix

rotationAboutY

public static Matrix4x4 rotationAboutY(double angle)

Retrieves a rotation matrix which rotates about y axis.

Parameters:

angle - the rotation angle

Returns:

a rotation matrix

rotationAboutZ

public static Matrix4x4 rotationAboutZ(double angle)

Retrieves a rotation matrix which rotates about z axis.

Parameters:

angle - the rotation angle

Returns:

a rotation matrix

flipAboutY

public static Matrix4x4 flipAboutY()

setValue

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

Set matrix element value

Parameters:

row -

column -

value -