Matrix

Code Example

::STAR::Matrix a( 0, 1, 0 );

::STAR::Matrix b(); // will be initialised to( 0 )

::STAR::Matrix c = a + b;

Constructor

Matix matrix(
 Scalar xx, Scalar xy, Scalar xz,
 Scalar yx, Scalar yy, Scalar yz,
 Scalar zx, Scalar zy, Scalar zz
)

Matrix matrix(Vector x, Vector y, Vector z)

Matrix matrix(Matrix m)

• x - the x vector of this matrix. Default is Vector(0, 0, 0)
• y - the y vector of this matrix. Default is Vector(0, 0, 0)
• z - the z vector of this matrix. Default is Vector(0, 0, 0)

Methods

Basic Properties Methods

Basic Operations

Properties	Description
.[0]: Vector	Returns the vector x of this matrix.
.[1]: Vector	Returns the vector y of this matrix.
.[2]: Vector	Returns the vector z of this matrix.

Basic Getter Methods

Properties	Description
.x(): Scalar	Returns the value x of this matrix.
.y(): Scalar	Returns the value y of this matrix.
.z(): Scalar	Returns the value z of this matrix.
.print(): void

Basic Setter Methods

Properties	Description
.set(Scalar s): this	Copies the value to this Matrix x, y, z.
.set(Matrix m): this	Copies the values x, y, z of to this Matrix.
.set_rotation_x(Scalar s): this	Copies $\begin{bmatrix} 1 & 0 & 0 \\ 0 & \cos \theta & -\sin \theta \\ 0 & \sin \theta & \cos \theta \end{bmatrix}$
.set_rotation_y(Scalar s): this	Copies $\begin{bmatrix} \cos \theta & 0 & \sin \theta \\ 0 & 1 & 0 \\ -\sin \theta & 0 & \cos \theta \end{bmatrix}$
.set_rotation_z(Scalar s): this	Copies $\begin{bmatrix} \cos \theta & -\sin \theta & 0 \\ \sin \theta & \cos \theta & 0 \\ 0 & 0 & 1 \end{bmatrix}$

Basic Math Methods

Basic Operations

Properties	Description
+(): Matrix
-(): Matrix
+(Scalar s): Matrix
-(Scalar s): Matrix
*(Scalar s): Matrix
/(Scalar s): Matrix
+(Matrix m): Matrix	Calculates the dot add product of this matrix and v.
-(Matrix m): Matrix	Calculates the dot sub product of this matrix and v.
*(Matrix m): Matrix	Calculates the cross product of this matrix and v.
*(Vector v): Vector	Calculates the cross product of this matrix and v.

Basic Calculations

Properties	Description
.tdotx( Vector v ): Vector	Calculates the dot product of this matrix x and v.
.tdoty( Vector v ): Vector	Calculates the dot product of this matrix y and v.
.tdotz( Vector v ): Vector	Calculates the dot product of this matrix z and v.