Package rosequartz.math

Class Mat4

java.lang.Object

rosequartz.math.Mat4

All Implemented Interfaces:

Serializable

public class Mat4
extends Object
implements Serializable

Represents any 4x4 Matrix. The matrix values are named:

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

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
float	m00
float	m01
float	m02
float	m03
float	m10
float	m11
float	m12
float	m13
float	m20
float	m21
float	m22
float	m23
float	m30
float	m31
float	m32
float	m33

Constructor Summary

Constructors

Constructor	Description
Mat4()	Creates a new Matrix4 and calls identity.
Mat4(float m00, float m10, float m20, float m30, float m01, float m11, float m21, float m31, float m02, float m12, float m22, float m32, float m03, float m13, float m23, float m33)	Creates a new Matrix4 and calls set with the given values.
Mat4(Mat4 mat)	Creates a new Matrix4 with the values of the given matrix.

Method Summary

Modifier and Type	Method	Description
float	get(int column, int row)	Returns the given value.
Vec4	getColumn(int column)	Returns the given column as a vector.
Vec4	getRow(int row)	Returns the given row as a vector.
float[]	getValues()	Returns the values in the matrix as an array.
Mat4	identity()	Sets the values of the matrix to these values:
Mat4	mul(Mat4 mat)	Multiplies this matrix with the given matrix and stores the result in this.
Mat4	mul(Mat4 mat, Mat4 dest)	Multiplies this matrix with the given matrix and stores the result in dest
Mat4	mulN(Mat4 mat)	Multiplies this matrix with the given matrix and stores the result in a new matrix, returning it.
Mat4	set(float m00, float m10, float m20, float m30, float m01, float m11, float m21, float m31, float m02, float m12, float m22, float m32, float m03, float m13, float m23, float m33)	Sets the values of the matrix.
Mat4	set(int column, int row, float value)	Sets the component in the given row and column to a given value.
Mat4	set(Mat4 mat)	Sets the values of this matrix to the values of the given matrix.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

m00

public float m00

m10

public float m10

m20

public float m20

m30

public float m30

m01

public float m01

m11

public float m11

m21

public float m21

m31

public float m31

m02

public float m02

m12

public float m12

m22

public float m22

m32

public float m32

m03

public float m03

m13

public float m13

m23

public float m23

m33

public float m33

Constructor Details

Mat4

public Mat4()

Creates a new Matrix4 and calls identity.

See Also:

identity()

Mat4

public Mat4(Mat4 mat)

Creates a new Matrix4 with the values of the given matrix.

Parameters:

mat - matrix to copy values from

Mat4

public Mat4(float m00,
 float m10,
 float m20,
 float m30,
 float m01,
 float m11,
 float m21,
 float m31,
 float m02,
 float m12,
 float m22,
 float m32,
 float m03,
 float m13,
 float m23,
 float m33)

Creates a new Matrix4 and calls set with the given values.

See Also:

set(float, float, float, float, float, float, float, float, float, float, float, float, float, float, float, float)

Method Details

set

public Mat4 set(float m00,
 float m10,
 float m20,
 float m30,
 float m01,
 float m11,
 float m21,
 float m31,
 float m02,
 float m12,
 float m22,
 float m32,
 float m03,
 float m13,
 float m23,
 float m33)

Sets the values of the matrix.

Parameters:

m00 - value (see class for layout)

m01 - value (see class for layout)

m02 - value (see class for layout)

m03 - value (see class for layout)

m10 - value (see class for layout)

m11 - value (see class for layout)

m12 - value (see class for layout)

m13 - value (see class for layout)

m20 - value (see class for layout)

m21 - value (see class for layout)

m22 - value (see class for layout)

m23 - value (see class for layout)

m30 - value (see class for layout)

m31 - value (see class for layout)

m32 - value (see class for layout)

m33 - value (see class for layout)

Returns:

this

See Also:

Mat4

set

public Mat4 set(Mat4 mat)

Sets the values of this matrix to the values of the given matrix.

Parameters:

mat - matrix to copy values from

Returns:

this

set

public Mat4 set(int column,
 int row,
 float value)

Sets the component in the given row and column to a given value.

Parameters:

column - column of component (0, 1, 2 or 3)

row - row of component (0, 1, 2 or 3)

value - value to set

Returns:

this

getColumn

public Vec4 getColumn(int column)

Returns the given column as a vector.

Parameters:

column - index of column (0, 1, 2 or 3)

Returns:

column as vector

getRow

public Vec4 getRow(int row)

Returns the given row as a vector.

Parameters:

row - index of row (0, 1, 2 or 3)

Returns:

row as vector

get

public float get(int column,
 int row)

Returns the given value.

Parameters:

column - index of column (0, 1, 2 or 3)

row - index of row (0, 1, 2 or 3)

Returns:

value

identity

public Mat4 identity()

Sets the values of the matrix to these values:

     [ 1 0 0 0 ]
     | 0 1 0 0 |
     | 0 0 1 0 |
     [ 0 0 0 1 ]
 

Returns:

this

mul

public Mat4 mul(Mat4 mat)

Multiplies this matrix with the given matrix and stores the result in this.

Parameters:

mat - matrix to multiply with this one

Returns:

result in this

mul

public Mat4 mul(Mat4 mat,
 Mat4 dest)

Multiplies this matrix with the given matrix and stores the result in dest

Parameters:

mat - matrix to multiply with this one

dest - matrix to store result in

Returns:

this

mulN

public Mat4 mulN(Mat4 mat)

Multiplies this matrix with the given matrix and stores the result in a new matrix, returning it.

Parameters:

mat - matrix to multiply with this one

Returns:

new matrix holding the result

getValues

public float[] getValues()

Returns the values in the matrix as an array.

Returns:

values of matrix as array

toString

public String toString()

Overrides:

toString in class Object