bmx-site/docs/api/math/math.matrix/smat2d.md

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id: smat2d title: SMat2D

sidebar_label: SMat2D

A 2x2 Matrix

Constructors

Method New(a:Double, b:Double, c:Double, d:Double)

Creates a new SMat2D from the supplied arguments.

Operators

Method Operator+:SMat2D(z:SMat2D)

Adds z to the matrix, returning a new matrix.

Method Operator-:SMat2D(z:SMat2D)

Subtracts z from the matrix, returning a new matrix.

Method Operator*:SMat2D(z:SMat2D)

Multiplies the matrix by z, the dot product, returning a new matrix.

Methods

Method Apply:SVec2D(v:SVec2D)

Applies the matrix to the vector v, returning a new vector.

Method Adjoint:SMat2D()

Returns the transposition of the cofactor matrix.

Method CompMul:SMat2D(z:SMat2D)

Multiplies the matrix by z by its components, or element-wise matrix multiplication, return a new matrix.

Method Determinant:Double()

Returns the determinant of the matrix.

Method Invert:SMat2D()

Returns the inverse of the matrix.

Method Rotate:SMat2D(angle:Double)

Rotates the matrix by angle degrees, returning the rotated matrix.

Method Scale:SMat2D(s:SVec2D)

Returns the scale of this matrix.

Method Transpose:SMat2D()

Returns the transpose of this matrix.

Method ToString:String() Override

Returns a String representation of the matrix.

Functions

Function Identity:SMat2D()

Returns the identity matrix.

Function Rotation:SMat2D(angle:Double)

Creates a rotated matrix of angle degrees.

Function Scaling:SMat2D(s:SVec2D)

Creates a scaled matrix of the scale s.