thothbot.parallax.core.shared.math

Class Matrix3

java.lang.Object

thothbot.parallax.core.shared.math.Matrix3

public class Matrix3
extends java.lang.Object

This class implements three-dimensional matrix. MxM, where M=3. This matrix actually is array which is represented the following indexes:

 
 0 3 6
 1 4 7
 2 5 8
  

Author:

thothbot

Constructor Summary

Constructors

Constructor and Description
Matrix3() Default constructor will make empty three-dimensional matrix.
Matrix3(double n11, double n12, double n13, double n21, double n22, double n23, double n31, double n32, double n33)

Method Summary

Modifier and Type	Method and Description
Float32Array	applyToVector3Array(Float32Array array)
Float32Array	applyToVector3Array(Float32Array array, int offset, int length)
Matrix3	clone()
Matrix3	copy(Matrix3 m)
double	determinant()
Float32Array	getArray() get the current Matrix which is represented by Array[9] which the following indexes: 0 3 6 1 4 7 2 5 8
Matrix3	getInverse(Matrix4 m) Sets the value of this matrix to the matrix inverse of the passed matrix m.
Matrix3	getNormalMatrix(Matrix4 m)
Matrix3	identity()
Matrix3	multiply(double s)
Matrix3	set(double n11, double n12, double n13, double n21, double n22, double n23, double n31, double n32, double n33)
java.lang.String	toString() get information of the current Matrix which is represented as list of it values.
Matrix3	transpose() Transpose the current matrix where its rows will be the columns or its columns are the rows of the current matrix.
Float32Array	transposeIntoArray() Transpose the current matrix into new Matrix which is represented by Array[9]

Methods inherited from class java.lang.Object

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

Constructor Detail

Matrix3

public Matrix3()

Default constructor will make empty three-dimensional matrix.

Matrix3

public Matrix3(double n11,
               double n12,
               double n13,
               double n21,
               double n22,
               double n23,
               double n31,
               double n32,
               double n33)

Method Detail

set

public Matrix3 set(double n11,
                   double n12,
                   double n13,
                   double n21,
                   double n22,
                   double n23,
                   double n31,
                   double n32,
                   double n33)

getArray

public Float32Array getArray()

get the current Matrix which is represented by Array[9] which the following indexes:

 
 0 3 6
 1 4 7
 2 5 8
  

Returns:

the Array

identity

public Matrix3 identity()

copy

public Matrix3 copy(Matrix3 m)

applyToVector3Array

public Float32Array applyToVector3Array(Float32Array array)

applyToVector3Array

public Float32Array applyToVector3Array(Float32Array array,
                                        int offset,
                                        int length)

multiply

public Matrix3 multiply(double s)

determinant

public double determinant()

getInverse

public Matrix3 getInverse(Matrix4 m)

Sets the value of this matrix to the matrix inverse of the passed matrix m.

Parameters:

m - the matrix to be inverted

transpose

public Matrix3 transpose()

Transpose the current matrix where its rows will be the columns or its columns are the rows of the current matrix.

getNormalMatrix

public Matrix3 getNormalMatrix(Matrix4 m)

Parameters:

m - Matrix4

Returns:

transposeIntoArray

public Float32Array transposeIntoArray()

Transpose the current matrix into new Matrix which is represented by Array[9]

Returns:

an array of new transposed matrix.

toString

public java.lang.String toString()

get information of the current Matrix which is represented as list of it values.

Overrides:

toString in class java.lang.Object

clone

public Matrix3 clone()

Overrides:

clone in class java.lang.Object