math
Class Matrix4x4

java.lang.Object
  math.Matrix4x4

public class Matrix4x4
extends java.lang.Object

a 4x4 matrix

Field Summary

double	m00
double	m01
double	m02
double	m03
double	m10
double	m11
double	m12
double	m13
double	m20
double	m21
double	m22
double	m23
double	m30
double	m31
double	m32
double	m33

Constructor Summary

Matrix4x4()
constructor, standard is the unit matrix

Matrix4x4(double m00_, double m01_, double m02_, double m03_, double m10_, double m11_, double m12_, double m13_, double m20_, double m21_, double m22_, double m23_, double m30_, double m31_, double m32_, double m33_)
constructor
m00 m01 m02 m03
m10 m11 m12 m13
m20 m21 m22 m23
m30 m31 m32 m33

Matrix4x4(Matrix4x4 m)
copy constructor

Method Summary

void	createRotationMatrix(double alpha, double beta, double gamma) creates a rotation matrix order: 1. z-rotation, 2. y-rotation, 3. x-rotation
void	createScaleMatrix(double sx, double sy, double sz) creates a scale matrix in all directions
void	createTranslationMatrix(Vector3D v) creates a translation matrix from a vector
void	createUnitMatrix() sets the unit matrix
void	createXRotationMatrix(double alpha) creates a rotation matrix around the x-axis
void	createXScaleMatrix(double sx) creates a scale matrix in x-direction
void	createYRotationMatrix(double beta) creates a rotation matrix around the y-axis
void	createYScaleMatrix(double sy) creates a scale matrix in y-direction
void	createZRotationMatrix(double gamma) creates a rotation matrix around the z-axis
void	createZScaleMatrix(double sz) creates a scale matrix in z-direction

Methods inherited from class java.lang.Object

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

Field Detail

m00

public double m00

m01

public double m01

m02

public double m02

m03

public double m03

m10

public double m10

m11

public double m11

m12

public double m12

m13

public double m13

m20

public double m20

m21

public double m21

m22

public double m22

m23

public double m23

m30

public double m30

m31

public double m31

m32

public double m32

m33

public double m33

Constructor Detail

Matrix4x4

public Matrix4x4()

constructor, standard is the unit matrix

Matrix4x4

public Matrix4x4(double m00_,
                 double m01_,
                 double m02_,
                 double m03_,
                 double m10_,
                 double m11_,
                 double m12_,
                 double m13_,
                 double m20_,
                 double m21_,
                 double m22_,
                 double m23_,
                 double m30_,
                 double m31_,
                 double m32_,
                 double m33_)

constructor
m00 m01 m02 m03
m10 m11 m12 m13
m20 m21 m22 m23
m30 m31 m32 m33

Matrix4x4

public Matrix4x4(Matrix4x4 m)

copy constructor

Parameters:

m - [in] matrix to copy

Method Detail

createUnitMatrix

public void createUnitMatrix()

sets the unit matrix

createXRotationMatrix

public void createXRotationMatrix(double alpha)

creates a rotation matrix around the x-axis

Parameters:

alpha - [in] angle in radians

createYRotationMatrix

public void createYRotationMatrix(double beta)

creates a rotation matrix around the y-axis

Parameters:

beta - [in] angle in radians

createZRotationMatrix

public void createZRotationMatrix(double gamma)

creates a rotation matrix around the z-axis

Parameters:

gamma - [in] angle in radians

createRotationMatrix

public void createRotationMatrix(double alpha,
                                 double beta,
                                 double gamma)

creates a rotation matrix order: 1. z-rotation, 2. y-rotation, 3. x-rotation

Parameters:

alpha - [in] x-angle in radians

beta - [in] y-angle in radians

gamma - [in] z-angle in radians

createTranslationMatrix

public void createTranslationMatrix(Vector3D v)

creates a translation matrix from a vector

Parameters:

v - [in] translation vector

createXScaleMatrix

public void createXScaleMatrix(double sx)

creates a scale matrix in x-direction

Parameters:

sx - [in] scaling

createYScaleMatrix

public void createYScaleMatrix(double sy)

creates a scale matrix in y-direction

Parameters:

sy - [in] scaling

createZScaleMatrix

public void createZScaleMatrix(double sz)

creates a scale matrix in z-direction

Parameters:

sz - [in] scaling

createScaleMatrix

public void createScaleMatrix(double sx,
                              double sy,
                              double sz)

creates a scale matrix in all directions

Parameters:

sx - [in] x-scaling

sy - [in] y-scaling

sz - [in] z-scaling