Immutable 4x3-component row major matrix. More...

Inheritance diagram for Dragengine.Scenery.Matrix:

Public Member Functions
Management
float	getAt (int row, int col)
	Value at row and colon. More...

float	get11 ()
	Value at (1,1). More...

float	get12 ()
	Value at (1,2). More...

float	get13 ()
	Value at (1,3). More...

float	get14 ()
	Value at (1,4). More...

float	get21 ()
	Value at (2,1). More...

float	get22 ()
	Value at (2,2). More...

float	get23 ()
	Value at (2,3). More...

float	get24 ()
	Value at (2,4). More...

float	get31 ()
	Value at (3,1). More...

float	get32 ()
	Value at (3,2). More...

float	get33 ()
	Value at (3,3). More...

float	get34 ()
	Value at (3,4). More...

Vector	getViewVector ()
	Vector composed of the third column. More...

Vector	getUpVector ()
	Vector composed of the second column. More...

Vector	getRightVector ()
	Vector composed of the first column. More...

Vector	getPosition ()
	Vector composed of the fourth column. More...

Vector	transformNormal (Vector normal)
	Transform normal by matrix. More...

Vector	getEulerAngles ()
	Euler angles. More...

Matrix	getInverse ()
	Inverse. More...

Matrix	getRotation ()
	Matrix with only the rotational part. More...

Matrix	normalize ()
	Normalize matrix. More...

Quaternion	toQuaternion ()
	Quaternion from upper 3x3 matrix. More...

DMatrix4	toDMatrix4 ()
	the double precision matrix. More...

DMatrix	toDMatrix ()
	the double precision matrix. More...

Matrix4	toMatrix4 ()
	the single precision matrix. More...

bool	equals (Object other)
	Matrix is equal to another object. More...

int	hashCode ()
	Hash code for use as dictionary keys. More...

String	toString ()
	String representation of matrix. More...

String	toString (int precision)
	String representation of matrix with precision. More...

Operators
Matrix	operator+ (Matrix matrix)
	Sum of matrix with another Matrix. More...

Matrix	operator- (Matrix matrix)
	Difference of matrix and another Matrix. More...

Matrix	operator* (float k)
	Matrix multiplied by a factor. More...

Matrix	operator/ (float k)
	Matrix divided by a factor. More...

Matrix	operator* (Matrix matrix)
	Matrix multiplied by another Matrix. More...

Vector	operator* (Vector vector)
	Vector transformed by matrix. More...

Constructors
Matrix	new ()
	Create identity matrix. More...

Matrix	new (float a11, float a12, float a13, float a14, float a21, float a22, float a23, float a24, float a31, float a32, float a33, float a34)
	Create matrix from values. More...

static Matrix	newTranslation (Vector translation)
	Create translation matrix. More...

static Matrix	newTranslation (float tx, float ty, float tz)
	Create translation matrix. More...

static Matrix	newScaling (Vector scaling)
	Create scaling matrix. More...

static Matrix	newScaling (float sx, float sy, float sz)
	Create scaling matrix. More...

static Matrix	newRotationX (float rotation)
	Create rotation around the x axis matrix. More...

static Matrix	newRotationY (float rotation)
	Create rotation around the y axis matrix. More...

static Matrix	newRotationZ (float rotation)
	Create rotation around the z axis matrix. More...

static Matrix	newRotation (Vector rotation)
	Create rotation matrix. More...

static Matrix	newRotation (float rx, float ry, float rz)
	Create rotation matrix. More...

static Matrix	newRotationAxis (Vector axis, float rotation)
	Create rotation matrix. More...

static Matrix	newSRT (Vector scaling, Vector rotation, Vector translation)
	Create scaling-rotation-translation matrix composing of a scaling followed by a rotation and a translation. More...

static Matrix	newRT (Vector rotation, Vector translation)
	Create rotation-translation matrix composing of a rotation followed by a translation. More...

static Matrix	newSVUT (Vector scaling, Vector view, Vector up, Vector translation)
	Create scale-view-up-translation matrix composing of a rotation followed by a world matrix. More...

static Matrix	newVU (Vector view, Vector up)
	Create view-up matrix. More...

static Matrix	newCamera (Vector position, Vector view, Vector up)
	Create camera matrix. More...

static Matrix	newWorld (Vector position, Vector view, Vector up)
	Create world matrix. More...

static Matrix	newWorld (Vector position, Quaternion orientation)
	Create world matrix. More...

static Matrix	newFromQuaternion (Quaternion quaternion)
	Create rotation matrix from the given quaternion. More...

File Handling
void	writeToFile (FileWriter writer)
	Write matrix to a file writer. More...

static Matrix	readFromFile (FileReader reader)
	Read matrix from a file reader. More...

Detailed Description

Immutable 4x3-component row major matrix.

This is a native class. It can not be subclassed.

Member Function Documentation

◆ equals()

bool Dragengine.Scenery.Matrix.equals ( Object other )

Matrix is equal to another object.

Implements Object.equals(Object).

Returns: true if other is of type Matrix and components are equal.

◆ get11()

float Dragengine.Scenery.Matrix.get11 ( )

Value at (1,1).

◆ get12()

float Dragengine.Scenery.Matrix.get12 ( )

Value at (1,2).

◆ get13()

float Dragengine.Scenery.Matrix.get13 ( )

Value at (1,3).

◆ get14()

float Dragengine.Scenery.Matrix.get14 ( )

Value at (1,4).

◆ get21()

float Dragengine.Scenery.Matrix.get21 ( )

Value at (2,1).

◆ get22()

float Dragengine.Scenery.Matrix.get22 ( )

Value at (2,2).

◆ get23()

float Dragengine.Scenery.Matrix.get23 ( )

Value at (2,3).

◆ get24()

float Dragengine.Scenery.Matrix.get24 ( )

Value at (2,4).

◆ get31()

float Dragengine.Scenery.Matrix.get31 ( )

Value at (3,1).

◆ get32()

float Dragengine.Scenery.Matrix.get32 ( )

Value at (3,2).

◆ get33()

float Dragengine.Scenery.Matrix.get33 ( )

Value at (3,3).

◆ get34()

float Dragengine.Scenery.Matrix.get34 ( )

Value at (3,4).

◆ getAt()

float Dragengine.Scenery.Matrix.getAt	(	int	row,
		int	col
	)

Value at row and colon.

Exceptions

EInvalidParam	row is less than 0 or larger than 2.
EInvalidParam	col is less than 0 or larger than 3.

◆ getEulerAngles()

Vector Dragengine.Scenery.Matrix.getEulerAngles ( )

Euler angles.

◆ getInverse()

Matrix Dragengine.Scenery.Matrix.getInverse ( )

Inverse.

◆ getPosition()

Vector Dragengine.Scenery.Matrix.getPosition ( )

Vector composed of the fourth column.

◆ getRightVector()

Vector Dragengine.Scenery.Matrix.getRightVector ( )

Vector composed of the first column.

◆ getRotation()

Matrix Dragengine.Scenery.Matrix.getRotation ( )

Matrix with only the rotational part.

◆ getUpVector()

Vector Dragengine.Scenery.Matrix.getUpVector ( )

Vector composed of the second column.

◆ getViewVector()

Vector Dragengine.Scenery.Matrix.getViewVector ( )

Vector composed of the third column.

◆ hashCode()

int Dragengine.Scenery.Matrix.hashCode ( )

Hash code for use as dictionary keys.

Implements Object.hashCode().

◆ new() [1/2]

Matrix Dragengine.Scenery.Matrix.new ( )

Create identity matrix.

◆ new() [2/2]

Matrix Dragengine.Scenery.Matrix.new	(	float	a11,
		float	a12,
		float	a13,
		float	a14,
		float	a21,
		float	a22,
		float	a23,
		float	a24,
		float	a31,
		float	a32,
		float	a33,
		float	a34
	)

Create matrix from values.

◆ newCamera()

static Matrix Dragengine.Scenery.Matrix.newCamera	(	Vector	position,
		Vector	view,
		Vector	up
	)

static

Create camera matrix.

◆ newFromQuaternion()

static Matrix Dragengine.Scenery.Matrix.newFromQuaternion ( Quaternion quaternion )

static

Create rotation matrix from the given quaternion.

◆ newRotation() [1/2]

static Matrix Dragengine.Scenery.Matrix.newRotation	(	float	rx,
		float	ry,
		float	rz
	)

static

Create rotation matrix.

◆ newRotation() [2/2]

static Matrix Dragengine.Scenery.Matrix.newRotation ( Vector rotation )

static

Create rotation matrix.

◆ newRotationAxis()

static Matrix Dragengine.Scenery.Matrix.newRotationAxis	(	Vector	axis,
		float	rotation
	)

static

Create rotation matrix.

◆ newRotationX()

static Matrix Dragengine.Scenery.Matrix.newRotationX ( float rotation )

static

Create rotation around the x axis matrix.

◆ newRotationY()

static Matrix Dragengine.Scenery.Matrix.newRotationY ( float rotation )

static

Create rotation around the y axis matrix.

◆ newRotationZ()

static Matrix Dragengine.Scenery.Matrix.newRotationZ ( float rotation )

static

Create rotation around the z axis matrix.

◆ newRT()

static Matrix Dragengine.Scenery.Matrix.newRT	(	Vector	rotation,
		Vector	translation
	)

static

Create rotation-translation matrix composing of a rotation followed by a translation.

◆ newScaling() [1/2]

static Matrix Dragengine.Scenery.Matrix.newScaling	(	float	sx,
		float	sy,
		float	sz
	)

static

Create scaling matrix.

◆ newScaling() [2/2]

static Matrix Dragengine.Scenery.Matrix.newScaling ( Vector scaling )

static

Create scaling matrix.

◆ newSRT()

static Matrix Dragengine.Scenery.Matrix.newSRT	(	Vector	scaling,
		Vector	rotation,
		Vector	translation
	)

static

Create scaling-rotation-translation matrix composing of a scaling followed by a rotation and a translation.

◆ newSVUT()

static Matrix Dragengine.Scenery.Matrix.newSVUT	(	Vector	scaling,
		Vector	view,
		Vector	up,
		Vector	translation
	)

static

Create scale-view-up-translation matrix composing of a rotation followed by a world matrix.

◆ newTranslation() [1/2]

static Matrix Dragengine.Scenery.Matrix.newTranslation	(	float	tx,
		float	ty,
		float	tz
	)

static

Create translation matrix.

◆ newTranslation() [2/2]

static Matrix Dragengine.Scenery.Matrix.newTranslation ( Vector translation )

static

Create translation matrix.

◆ newVU()

static Matrix Dragengine.Scenery.Matrix.newVU	(	Vector	view,
		Vector	up
	)

static

Create view-up matrix.

◆ newWorld() [1/2]

static Matrix Dragengine.Scenery.Matrix.newWorld	(	Vector	position,
		Quaternion	orientation
	)

static

Create world matrix.

◆ newWorld() [2/2]

static Matrix Dragengine.Scenery.Matrix.newWorld	(	Vector	position,
		Vector	view,
		Vector	up
	)

static

Create world matrix.

◆ normalize()

Matrix Dragengine.Scenery.Matrix.normalize ( )

Normalize matrix.

Returns matrix with scaling removed. Only normalized matrices are safe to be used with the getEulerAngles() and toQuaternion() calls since scaling interferes with the calculation.

This calls the same as this code

DMatrix.newWorld(m.getPosition(), getViewVector(), m.getUpVector())

Dragengine.Scenery.Matrix.getViewVector

Vector getViewVector()

Vector composed of the third column.

but is safe against 0-scaling. In such a case a 0-rotation matrix is created.

◆ operator*() [1/3]

Matrix Dragengine.Scenery.Matrix.operator* ( float k )

Matrix multiplied by a factor.

◆ operator*() [2/3]

Matrix Dragengine.Scenery.Matrix.operator* ( Matrix matrix )

Matrix multiplied by another Matrix.

◆ operator*() [3/3]

Vector Dragengine.Scenery.Matrix.operator* ( Vector vector )

Vector transformed by matrix.

◆ operator+()

Matrix Dragengine.Scenery.Matrix.operator+ ( Matrix matrix )

Sum of matrix with another Matrix.

◆ operator-()

Matrix Dragengine.Scenery.Matrix.operator- ( Matrix matrix )

Difference of matrix and another Matrix.

◆ operator/()

Matrix Dragengine.Scenery.Matrix.operator/ ( float k )

Matrix divided by a factor.

Exceptions

EDivisionByZero scalar is 0.

◆ readFromFile()

static Matrix Dragengine.Scenery.Matrix.readFromFile ( FileReader reader )

static

Read matrix from a file reader.

◆ toDMatrix()

DMatrix Dragengine.Scenery.Matrix.toDMatrix ( )

the double precision matrix.

◆ toDMatrix4()

DMatrix4 Dragengine.Scenery.Matrix.toDMatrix4 ( )

the double precision matrix.

◆ toMatrix4()

Matrix4 Dragengine.Scenery.Matrix.toMatrix4 ( )

the single precision matrix.

◆ toQuaternion()

Quaternion Dragengine.Scenery.Matrix.toQuaternion ( )

Quaternion from upper 3x3 matrix.

◆ toString() [1/2]

String Dragengine.Scenery.Matrix.toString ( )

String representation of matrix.

Implements Object.toString()

◆ toString() [2/2]

String Dragengine.Scenery.Matrix.toString ( int precision )

String representation of matrix with precision.

Same as toString() except the count of digits of each component is precision.

Parameters

precision Precision in digits in the range from 0 to 9 inclusive.

Exceptions

EInvalidParam precision is less than 0 or larger than 9.

◆ transformNormal()

Vector Dragengine.Scenery.Matrix.transformNormal ( Vector normal )

Transform normal by matrix.

◆ writeToFile()

void Dragengine.Scenery.Matrix.writeToFile ( FileWriter writer )

Write matrix to a file writer.

The documentation for this class was generated from the following file:

Matrix.ds

Public Member Functions

Constructors

File Handling

Detailed Description

Member Function Documentation

◆ equals()

◆ get11()

◆ get12()

◆ get13()

◆ get14()

◆ get21()

◆ get22()

◆ get23()

◆ get24()

◆ get31()

◆ get32()

◆ get33()

◆ get34()

◆ getAt()

◆ getEulerAngles()

◆ getInverse()

◆ getPosition()

◆ getRightVector()

◆ getRotation()

◆ getUpVector()

◆ getViewVector()

◆ hashCode()

◆ new() [1/2]

◆ new() [2/2]

◆ newCamera()

◆ newFromQuaternion()

◆ newRotation() [1/2]

◆ newRotation() [2/2]

◆ newRotationAxis()

◆ newRotationX()

◆ newRotationY()

◆ newRotationZ()

◆ newRT()

◆ newScaling() [1/2]

◆ newScaling() [2/2]

◆ newSRT()

◆ newSVUT()

◆ newTranslation() [1/2]

◆ newTranslation() [2/2]

◆ newVU()

◆ newWorld() [1/2]

◆ newWorld() [2/2]

◆ normalize()

◆ operator*() [1/3]

◆ operator*() [2/3]

◆ operator*() [3/3]

◆ operator+()

◆ operator-()

◆ operator/()

◆ readFromFile()

◆ toDMatrix()

◆ toDMatrix4()

◆ toMatrix4()

◆ toQuaternion()

◆ toString() [1/2]

◆ toString() [2/2]

◆ transformNormal()

◆ writeToFile()