C# Class GarrysModLuaShared.Classes.VMatrix

Representation of a mathematical construct that allows Vectors to be transformed. This object can be created with Global.Matrix function.

Inheritance: LuaObject

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Public Methods

Method	Description
GetAngles ( ) : Angle	Returns the absolute rotation of the matrix.
GetField ( byte row, byte column ) : double	Returns a specific field in the matrix.
GetForward ( ) : Vector	Gets the forward direction of the matrix. ie. The first column of the matrix, excluding the w coordinate.
GetInverse ( ) : VMatrix	Returns an inverted matrix without modifying the original matrix. Inverting the matrix will fail if its determinant is 0 or close to 0. (ie.its "scale" in any direction is 0.) See also GetInverseTR.
GetInverseTR ( ) : VMatrix	Returns an inverted matrix without modifying the original matrix. This function will not fail, but only works correctly on matrices that contain only translation and/or rotation. Using this function on a matrix with modified scale may return an incorrect inverted matrix. To get the inverse of a matrix that contains other modifications, see GetInverse.
GetRight ( ) : Vector	Gets the right direction of the matrix. ie. The second column of the matrix, negated, excluding the w coordinate.
GetScale ( ) : Vector	Returns the absolute scale of the matrix.
GetTranslation ( ) : Vector	Returns the absolute translation of the matrix.
GetUp ( ) : Vector	Gets the up direction of the matrix. ie. The third column of the matrix, excluding the w coordinate.
Identity ( ) : void	Initializes the matrix as Identity matrix.
Invert ( ) : bool	Inverts the matrix. Inverting the matrix will fail if its determinant is 0 or close to 0. (ie.its "scale" in any direction is 0.) If the matrix cannot be inverted, it does not get modified. See also InvertTR.
InvertTR ( ) : void	Inverts the matrix. This function will not fail, but only works correctly on matrices that contain only translation and/or rotation. Using this function on a matrix with modified scale may return an incorrect inverted matrix. To invert a matrix that contains other modifications, see Invert.
IsIdentity ( ) : bool	Returns whether the matrix is equal to Identity matrix or not.
IsRotationMatrix ( ) : bool	Returns whether the matrix is a rotation matrix or not. Technically it checks if the forward, right and up vectors are orthogonal and normalized.
Rotate ( Angle rotation ) : void	Rotates the matrix by the given angle. Postmultiplies the matrix by a rotation matrix(A = AR).
Scale ( Vector scale ) : void	Scales the matrix by the given vector. Postmultiplies the matrix by a scaling matrix(A = AS).
ScaleTranslation ( double scale ) : void	Scales the absolute translation with the given value.
Set ( VMatrix sourceMatrix ) : void	Copies values from the given matrix object.
SetAngles ( Angle angle ) : void	Sets the absolute rotation of the matrix.
SetField ( byte row, byte column, double value ) : void	Sets a specific field in the matrix.
SetForward ( Vector forward ) : void	Sets the forward direction of the matrix. ie. The first column of the matrix, excluding the w coordinate.
SetRight ( Vector forward ) : void	Sets the right direction of the matrix. ie. The second column of the matrix, negated, excluding the w coordinate.
SetScale ( Vector scale ) : void	Modifies the scale of the matrix while preserving the rotation and translation.
SetTranslation ( Vector translation ) : void	Sets the absolute translation of the matrix.
SetUp ( Vector forward ) : void	Sets the up direction of the matrix. ie. The third column of the matrix, excluding the w coordinate.
ToTable ( ) : LuaTable	Converts the matrix to a 4x4 table. See Global.Matrix function.
Translate ( Vector translation ) : void	Translates the matrix by the given vector aka. adds the vector to the translation. Postmultiplies the matrix by a translation matrix(A = AT).
VMatrix ( LuaTable data )
VMatrix ( int index )

Method Details

GetAngles() public method

Returns the absolute rotation of the matrix.

public GetAngles ( ) : Angle
return	Angle

GetField() public method

Returns a specific field in the matrix.

public GetField ( byte row, byte column ) : double
row	byte	Row of the field whose value is to be retrieved, from 1 to 4.
column	byte	Column of the field whose value is to be retrieved, from 1 to 4.
return	double

GetForward() public method

Gets the forward direction of the matrix. ie. The first column of the matrix, excluding the w coordinate.

public GetForward ( ) : Vector
return	Vector

GetInverse() public method

Returns an inverted matrix without modifying the original matrix. Inverting the matrix will fail if its determinant is 0 or close to 0. (ie.its "scale" in any direction is 0.) See also GetInverseTR.

public GetInverse ( ) : VMatrix
return	VMatrix

GetInverseTR() public method

Returns an inverted matrix without modifying the original matrix. This function will not fail, but only works correctly on matrices that contain only translation and/or rotation. Using this function on a matrix with modified scale may return an incorrect inverted matrix. To get the inverse of a matrix that contains other modifications, see GetInverse.

public GetInverseTR ( ) : VMatrix
return	VMatrix

GetRight() public method

Gets the right direction of the matrix. ie. The second column of the matrix, negated, excluding the w coordinate.

public GetRight ( ) : Vector
return	Vector

GetScale() public method

Returns the absolute scale of the matrix.

public GetScale ( ) : Vector
return	Vector

GetTranslation() public method

Returns the absolute translation of the matrix.

public GetTranslation ( ) : Vector
return	Vector

GetUp() public method

Gets the up direction of the matrix. ie. The third column of the matrix, excluding the w coordinate.

public GetUp ( ) : Vector
return	Vector

Identity() public method

Initializes the matrix as Identity matrix.

public Identity ( ) : void
return	void

Invert() public method

Inverts the matrix. Inverting the matrix will fail if its determinant is 0 or close to 0. (ie.its "scale" in any direction is 0.) If the matrix cannot be inverted, it does not get modified. See also InvertTR.

public Invert ( ) : bool
return	bool

InvertTR() public method

Inverts the matrix. This function will not fail, but only works correctly on matrices that contain only translation and/or rotation. Using this function on a matrix with modified scale may return an incorrect inverted matrix. To invert a matrix that contains other modifications, see Invert.

public InvertTR ( ) : void
return	void

IsIdentity() public method

Returns whether the matrix is equal to Identity matrix or not.

public IsIdentity ( ) : bool
return	bool

IsRotationMatrix() public method

Returns whether the matrix is a rotation matrix or not. Technically it checks if the forward, right and up vectors are orthogonal and normalized.

public IsRotationMatrix ( ) : bool
return	bool

Rotate() public method

Rotates the matrix by the given angle. Postmultiplies the matrix by a rotation matrix(A = AR).

public Rotate ( Angle rotation ) : void
rotation	Angle	Rotation angle.
return	void

Scale() public method

Scales the matrix by the given vector. Postmultiplies the matrix by a scaling matrix(A = AS).

public Scale ( Vector scale ) : void
scale	Vector	Vector to scale with matrix with.
return	void

ScaleTranslation() public method

Scales the absolute translation with the given value.

public ScaleTranslation ( double scale ) : void
scale	double	Value to scale the translation with.
return	void

Set() public method

Copies values from the given matrix object.

public Set ( VMatrix sourceMatrix ) : void
sourceMatrix	VMatrix	The matrix to copy values from.
return	void

SetAngles() public method

Sets the absolute rotation of the matrix.

public SetAngles ( Angle angle ) : void
angle	Angle	New angles.
return	void

SetField() public method

Sets a specific field in the matrix.

public SetField ( byte row, byte column, double value ) : void
row	byte	Row of the field to be set, from 1 to 4.
column	byte	Column of the field to be set, from 1 to 4.
value	double	The value to set in that field.
return	void

SetForward() public method

Sets the forward direction of the matrix. ie. The first column of the matrix, excluding the w coordinate.

public SetForward ( Vector forward ) : void
forward	Vector	The forward direction of the matrix.
return	void

SetRight() public method

Sets the right direction of the matrix. ie. The second column of the matrix, negated, excluding the w coordinate.

public SetRight ( Vector forward ) : void
forward	Vector	The right direction of the matrix.
return	void

SetScale() public method

Modifies the scale of the matrix while preserving the rotation and translation.

public SetScale ( Vector scale ) : void
scale	Vector	The scale to set.
return	void

SetTranslation() public method

Sets the absolute translation of the matrix.

public SetTranslation ( Vector translation ) : void
translation	Vector	New translation.
return	void

SetUp() public method

Sets the up direction of the matrix. ie. The third column of the matrix, excluding the w coordinate.

public SetUp ( Vector forward ) : void
forward	Vector	The up direction of the matrix.
return	void

ToTable() public method

Converts the matrix to a 4x4 table. See Global.Matrix function.

public ToTable ( ) : LuaTable
return	LuaTable

Translate() public method

Translates the matrix by the given vector aka. adds the vector to the translation. Postmultiplies the matrix by a translation matrix(A = AT).

public Translate ( Vector translation ) : void
translation	Vector	Vector to translate the matrix by.
return	void

VMatrix() public method

public VMatrix ( LuaTable data )
data	LuaTable

VMatrix() public method

public VMatrix ( int index )
index	int