com.bramosystems.oss.player.core.client.geom
Class Matrix2D

java.lang.Object
  com.bramosystems.oss.player.core.client.geom.Matrix2D

public class Matrix2D
extends Object

Implements a 3x3 matrix. The matrix is represented as an array of Vectors Vx, Vy, Vz. The matrix notation is shown below:

         [ VxX  VyX  VzX ]
         [ VxY  VyY  VzY ]
         [ VxZ  VyZ  VzZ ]
 

Since:

1.1

Author:

Sikiru Braheem

See Also:

Vector

Constructor Summary

Matrix2D()
Constructs an identity 3x3 matrix

Matrix2D(Vector vx, Vector vy, Vector vz)
Constructs a 3x3 matrix using the specified vectors

Method Summary

boolean	equals(Object obj) Tests the specified object obj for equality with this matrix
Vector	getVx() Returns the vector Vx
Vector	getVy() Returns the vector Vy
Vector	getVz() Returns the vector Vz
int	hashCode()
void	setVx(Vector vx) Sets the vector Vx
void	setVy(Vector vy) Sets the vector Vy
void	setVz(Vector vz) Sets the vector Vz
Matrix2D	toIdentity() Converts this matrix to an identity matrix
String	toString() Returns the matrix elements as a String

Methods inherited from class java.lang.Object

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

Constructor Detail

Matrix2D

public Matrix2D()

Constructs an identity 3x3 matrix

Matrix2D

public Matrix2D(Vector vx,
                Vector vy,
                Vector vz)

Constructs a 3x3 matrix using the specified vectors

Parameters:

vx - the vector x

vy - the vector y

vz - the vector z

Method Detail

toIdentity

public Matrix2D toIdentity()

Converts this matrix to an identity matrix

Returns:

the identity matrix

getVx

public Vector getVx()

Returns the vector Vx

Returns:

the vector Vx

setVx

public void setVx(Vector vx)

Sets the vector Vx

Parameters:

vx - the vector Vx

getVy

public Vector getVy()

Returns the vector Vy

Returns:

the vector Vy

setVy

public void setVy(Vector vy)

Sets the vector Vy

Parameters:

vy - the vector Vy

getVz

public Vector getVz()

Returns the vector Vz

Returns:

the vector Vz

setVz

public void setVz(Vector vz)

Sets the vector Vz

Parameters:

vz - the vector Vz

equals

public boolean equals(Object obj)

Tests the specified object obj for equality with this matrix

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Returns the matrix elements as a String

Overrides:

toString in class Object

Returns:

the matrix in the form VxX, VyX, VzX, VxY, VyY, VzY, VxZ, VyZ, VzZ