Immutable 4x4-component row major double precision matrix. More...

Inheritance diagram for Dragengine.Scenery.DMatrix4:

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...

float	get41 ()
	Value at (4,1). More...

float	get42 ()
	Value at (4,2). More...

float	get43 ()
	Value at (4,3). More...

float	get44 ()
	Value at (4,4). More...

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

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

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

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

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

DVector	getEulerAngles ()
	Euler angles. More...

DMatrix4	getInverse ()
	Inverse. More...

DMatrix4	normalize ()
	Normalize matrix. More...

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

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

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

Matrix	toMatrix ()
	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
DMatrix4	operator+ (DMatrix4 matrix)
	Sum of matrix with another DMatrix4. More...

DMatrix4	operator- (DMatrix4 matrix)
	Difference of matrix and another DMatrix4. More...

DMatrix4	operator* (float k)
	Matrix multiplied by a factor. More...

DMatrix4	operator/ (float k)
	Matrix divided by a factor. More...

DMatrix4	operator* (DMatrix4 matrix)
	Matrix multiplied by another DMatrix4. More...

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

Constructors
DMatrix4	new ()
	Create identity matrix. More...

DMatrix4	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, float a41, float a42, float a43, float a44)
	Create matrix from values. More...

static DMatrix4	newTranslation (DVector translation)
	Create translation matrix. More...

static DMatrix4	newTranslation (float tx, float ty, float tz)
	Create translation matrix. More...

static DMatrix4	newScaling (DVector scaling)
	Create scaling matrix. More...

static DMatrix4	newScaling (float sx, float sy, float sz)
	Create scaling matrix. More...

static DMatrix4	newRotationX (float rotation)
	Create rotation around the x axis matrix. More...

static DMatrix4	newRotationY (float rotation)
	Create rotation around the y axis matrix. More...

static DMatrix4	newRotationZ (float rotation)
	Create rotation around the z axis matrix. More...

static DMatrix4	newRotation (DVector rotation)
	Create rotation matrix. More...

static DMatrix4	newRotation (float rx, float ry, float rz)
	Create rotation matrix. More...

static DMatrix4	newSRT (DVector scaling, DVector rotation, DVector translation)
	Create scaling-rotation-translation matrix composing of a scaling followed by a rotation and a translation. More...

static DMatrix4	newRT (DVector rotation, DVector translation)
	Create rotation-translation matrix composing of a rotation followed by a translation. More...

static DMatrix4	newSVUT (DVector scaling, DVector view, DVector up, DVector translation)
	Create scale-view-up-translation matrix composing of a rotation followed by a world matrix. More...

static DMatrix4	newVU (DVector view, DVector up)
	Create view-up matrix. More...

static DMatrix4	newCamera (DVector position, DVector view, DVector up)
	Create camera matrix. More...

static DMatrix4	newWorld (DVector position, DVector view, DVector up)
	Create world matrix. More...

static DMatrix4	newWorld (DVector position, Quaternion orientation)
	Create world matrix. More...

static DMatrix4	newProjection (int width, int height, float fov, float fovRatio, float znear, float zfar)
	Create projection matrix. More...

static DMatrix4	newOrtho (int left, int right, int top, int bottom, int znear, int zfar)
	Create an orthogonal matrix. More...

static DMatrix4	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 DMatrix4	readFromFile (FileReader reader)
	Read matrix from a file reader. More...

Detailed Description

Immutable 4x4-component row major double precision matrix.

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

Member Function Documentation

◆ equals()

bool Dragengine.Scenery.DMatrix4.equals ( Object other )

Matrix is equal to another object.

Implements Object.equals(Object).

Returns: true if other is of type DMatrix4 and components are equal.

◆ get11()

float Dragengine.Scenery.DMatrix4.get11 ( )

Value at (1,1).

◆ get12()

float Dragengine.Scenery.DMatrix4.get12 ( )

Value at (1,2).

◆ get13()

float Dragengine.Scenery.DMatrix4.get13 ( )

Value at (1,3).

◆ get14()

float Dragengine.Scenery.DMatrix4.get14 ( )

Value at (1,4).

◆ get21()

float Dragengine.Scenery.DMatrix4.get21 ( )

Value at (2,1).

◆ get22()

float Dragengine.Scenery.DMatrix4.get22 ( )

Value at (2,2).

◆ get23()

float Dragengine.Scenery.DMatrix4.get23 ( )

Value at (2,3).

◆ get24()

float Dragengine.Scenery.DMatrix4.get24 ( )

Value at (2,4).

◆ get31()

float Dragengine.Scenery.DMatrix4.get31 ( )

Value at (3,1).

◆ get32()

float Dragengine.Scenery.DMatrix4.get32 ( )

Value at (3,2).

◆ get33()

float Dragengine.Scenery.DMatrix4.get33 ( )

Value at (3,3).

◆ get34()

float Dragengine.Scenery.DMatrix4.get34 ( )

Value at (3,4).

◆ get41()

float Dragengine.Scenery.DMatrix4.get41 ( )

Value at (4,1).

◆ get42()

float Dragengine.Scenery.DMatrix4.get42 ( )

Value at (4,2).

◆ get43()

float Dragengine.Scenery.DMatrix4.get43 ( )

Value at (4,3).

◆ get44()

float Dragengine.Scenery.DMatrix4.get44 ( )

Value at (4,4).

◆ getAt()

float Dragengine.Scenery.DMatrix4.getAt	(	int	row,
		int	col
	)

Value at row and colon.

Exceptions

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

◆ getEulerAngles()

DVector Dragengine.Scenery.DMatrix4.getEulerAngles ( )

Euler angles.

◆ getInverse()

DMatrix4 Dragengine.Scenery.DMatrix4.getInverse ( )

Inverse.

◆ getPosition()

DVector Dragengine.Scenery.DMatrix4.getPosition ( )

Vector composed of the fourth column.

◆ getRightVector()

DVector Dragengine.Scenery.DMatrix4.getRightVector ( )

Vector composed of the first column.

◆ getUpVector()

DVector Dragengine.Scenery.DMatrix4.getUpVector ( )

Vector composed of the second column.

◆ getViewVector()

DVector Dragengine.Scenery.DMatrix4.getViewVector ( )

Vector composed of the third column.

◆ hashCode()

int Dragengine.Scenery.DMatrix4.hashCode ( )

Hash code for use as dictionary keys.

Implements Object.hashCode().

◆ new() [1/2]

DMatrix4 Dragengine.Scenery.DMatrix4.new ( )

Create identity matrix.

◆ new() [2/2]

DMatrix4 Dragengine.Scenery.DMatrix4.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,
		float	a41,
		float	a42,
		float	a43,
		float	a44
	)

Create matrix from values.

◆ newCamera()

static DMatrix4 Dragengine.Scenery.DMatrix4.newCamera	(	DVector	position,
		DVector	view,
		DVector	up
	)

static

Create camera matrix.

◆ newFromQuaternion()

static DMatrix4 Dragengine.Scenery.DMatrix4.newFromQuaternion ( Quaternion quaternion )

static

Create rotation matrix from the given quaternion.

◆ newOrtho()

static DMatrix4 Dragengine.Scenery.DMatrix4.newOrtho	(	int	left,
		int	right,
		int	top,
		int	bottom,
		int	znear,
		int	zfar
	)

static

Create an orthogonal matrix.

◆ newProjection()

static DMatrix4 Dragengine.Scenery.DMatrix4.newProjection	(	int	width,
		int	height,
		float	fov,
		float	fovRatio,
		float	znear,
		float	zfar
	)

static

Create projection matrix.

◆ newRotation() [1/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newRotation ( DVector rotation )

static

Create rotation matrix.

◆ newRotation() [2/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newRotation	(	float	rx,
		float	ry,
		float	rz
	)

static

Create rotation matrix.

◆ newRotationX()

static DMatrix4 Dragengine.Scenery.DMatrix4.newRotationX ( float rotation )

static

Create rotation around the x axis matrix.

◆ newRotationY()

static DMatrix4 Dragengine.Scenery.DMatrix4.newRotationY ( float rotation )

static

Create rotation around the y axis matrix.

◆ newRotationZ()

static DMatrix4 Dragengine.Scenery.DMatrix4.newRotationZ ( float rotation )

static

Create rotation around the z axis matrix.

◆ newRT()

static DMatrix4 Dragengine.Scenery.DMatrix4.newRT	(	DVector	rotation,
		DVector	translation
	)

static

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

◆ newScaling() [1/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newScaling ( DVector scaling )

static

Create scaling matrix.

◆ newScaling() [2/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newScaling	(	float	sx,
		float	sy,
		float	sz
	)

static

Create scaling matrix.

◆ newSRT()

static DMatrix4 Dragengine.Scenery.DMatrix4.newSRT	(	DVector	scaling,
		DVector	rotation,
		DVector	translation
	)

static

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

◆ newSVUT()

static DMatrix4 Dragengine.Scenery.DMatrix4.newSVUT	(	DVector	scaling,
		DVector	view,
		DVector	up,
		DVector	translation
	)

static

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

◆ newTranslation() [1/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newTranslation ( DVector translation )

static

Create translation matrix.

◆ newTranslation() [2/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newTranslation	(	float	tx,
		float	ty,
		float	tz
	)

static

Create translation matrix.

◆ newVU()

static DMatrix4 Dragengine.Scenery.DMatrix4.newVU	(	DVector	view,
		DVector	up
	)

static

Create view-up matrix.

◆ newWorld() [1/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newWorld	(	DVector	position,
		DVector	view,
		DVector	up
	)

static

Create world matrix.

◆ newWorld() [2/2]

static DMatrix4 Dragengine.Scenery.DMatrix4.newWorld	(	DVector	position,
		Quaternion	orientation
	)

static

Create world matrix.

◆ normalize()

DMatrix4 Dragengine.Scenery.DMatrix4.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.DMatrix4.getViewVector

DVector 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]

DMatrix4 Dragengine.Scenery.DMatrix4.operator* ( DMatrix4 matrix )

Matrix multiplied by another DMatrix4.

◆ operator*() [2/3]

DVector Dragengine.Scenery.DMatrix4.operator* ( DVector vector )

Vector transformed by matrix.

◆ operator*() [3/3]

DMatrix4 Dragengine.Scenery.DMatrix4.operator* ( float k )

Matrix multiplied by a factor.

◆ operator+()

DMatrix4 Dragengine.Scenery.DMatrix4.operator+ ( DMatrix4 matrix )

Sum of matrix with another DMatrix4.

◆ operator-()

DMatrix4 Dragengine.Scenery.DMatrix4.operator- ( DMatrix4 matrix )

Difference of matrix and another DMatrix4.

◆ operator/()

DMatrix4 Dragengine.Scenery.DMatrix4.operator/ ( float k )

Matrix divided by a factor.

Exceptions

EDivisionByZero scalar is 0.

◆ readFromFile()

static DMatrix4 Dragengine.Scenery.DMatrix4.readFromFile ( FileReader reader )

static

Read matrix from a file reader.

◆ toDMatrix()

DMatrix Dragengine.Scenery.DMatrix4.toDMatrix ( )

the double precision matrix.

◆ toMatrix()

Matrix Dragengine.Scenery.DMatrix4.toMatrix ( )

the single precision matrix.

◆ toMatrix4()

Matrix4 Dragengine.Scenery.DMatrix4.toMatrix4 ( )

the single precision matrix.

◆ toQuaternion()

Quaternion Dragengine.Scenery.DMatrix4.toQuaternion ( )

Quaternion from upper 3x3 matrix.

◆ toString() [1/2]

String Dragengine.Scenery.DMatrix4.toString ( )

String representation of matrix.

Implements Object.toString()

◆ toString() [2/2]

String Dragengine.Scenery.DMatrix4.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 17 inclusive.

Exceptions

EInvalidParam precision is less than 0 or larger than 17.

◆ transformNormal()

DVector Dragengine.Scenery.DMatrix4.transformNormal ( DVector normal )

Transform normal by matrix.

◆ writeToFile()

void Dragengine.Scenery.DMatrix4.writeToFile ( FileWriter writer )

Write matrix to a file writer.

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

DMatrix4.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()

◆ get41()

◆ get42()

◆ get43()

◆ get44()

◆ getAt()

◆ getEulerAngles()

◆ getInverse()

◆ getPosition()

◆ getRightVector()

◆ getUpVector()

◆ getViewVector()

◆ hashCode()

◆ new() [1/2]

◆ new() [2/2]

◆ newCamera()

◆ newFromQuaternion()

◆ newOrtho()

◆ newProjection()

◆ newRotation() [1/2]

◆ newRotation() [2/2]

◆ 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()

◆ toMatrix()

◆ toMatrix4()

◆ toQuaternion()

◆ toString() [1/2]

◆ toString() [2/2]

◆ transformNormal()

◆ writeToFile()