Class Matrix2d

constructor

• new Matrix2d(...value: ConstructorArg): Matrix2d

  Constructs a new Matrix2d object.

  Parameters

  • ...value: ConstructorArg

    The values to initialize the matrix with.

  Returns Matrix2d

val

tx

• get tx(): number

  Gets the tx component of the matrix.

  Returns number

  The tx component of the matrix.

ty

• get ty(): number

  Gets the ty component of the matrix.

  Returns number

  The ty component of the matrix.

apply

• apply(v: Vector2d | Point | Vector3d): Vector2d | Point | Vector3d

  apply the current transform to the given 2d or 3d vector or point

  Parameters

  • v: Vector2d | Point | Vector3d

    the vector object to be transformed

  Returns Vector2d | Point | Vector3d

  result vector object.

applyInverse

• applyInverse(v: Vector2d): Vector2d

  apply the inverted current transform to the given 2d vector

  Parameters

  • v: Vector2d

    the vector object to be transformed

  Returns Vector2d

  result vector object.

clone

• clone(): Matrix2d

  Clone the Matrix

  Returns Matrix2d

  a clones matrix

copy

• copy(m: Matrix2d): Matrix2d

  Copies over the values from another me.Matrix2d.

  Parameters

  • m: Matrix2d

    the matrix object to copy from

  Returns Matrix2d

  Reference to this object for method chaining

equals

• equals(m: Matrix2d): boolean

  return true if the two matrices are identical

  Parameters

  • m: Matrix2d

    the other matrix

  Returns boolean

  true if both are equals

fromMat3d

• fromMat3d(m: Matrix3d): Matrix2d

  Copies over the upper-left 3x3 values from the given Matrix3d

  Parameters

  • m: Matrix3d

    the matrix object to copy from

  Returns Matrix2d

  Reference to this object for method chaining

identity

• identity(): Matrix2d

  reset the transformation matrix to the identity matrix (no transformation).
  the identity matrix and parameters position :
  

  Returns Matrix2d

  Reference to this object for method chaining

invert

• invert(): Matrix2d

  invert this matrix, causing it to apply the opposite transformation.

  Returns Matrix2d

  Reference to this object for method chaining

isIdentity

• isIdentity(): boolean

  Check if matrix is an identity matrix.

  Returns boolean

  true if the matrix is an identity matrix

multiply

• multiply(m: Matrix2d): Matrix2d

  multiply both matrix

  Parameters

  • m: Matrix2d

    the other matrix

  Returns Matrix2d

  Reference to this object for method chaining

rotate

• rotate(angle: number): Matrix2d

  rotate the matrix (counter-clockwise) by the specified angle (in radians).

  Parameters

  • angle: number

    Rotation angle in radians.

  Returns Matrix2d

  Reference to this object for method chaining

scale

• scale(x: number, y?: number): Matrix2d

  scale the matrix

  Parameters

  • x: number

    a number representing the abscissa of the scaling vector.

  • Optionaly: number = x

    a number representing the ordinate of the scaling vector.

  Returns Matrix2d

  Reference to this object for method chaining

scaleV

• scaleV(v: Vector2d): Matrix2d

  adds a 2D scaling transformation.

  Parameters

  • v: Vector2d

    scaling vector

  Returns Matrix2d

  Reference to this object for method chaining

scaleX

• scaleX(x: number): Matrix2d

  specifies a 2D scale operation using the [sx, 1] scaling vector

  Parameters

  • x: number

    x scaling vector

  Returns Matrix2d

  Reference to this object for method chaining

scaleY

• scaleY(y: number): Matrix2d

  specifies a 2D scale operation using the [1,sy] scaling vector

  Parameters

  • y: number

    y scaling vector

  Returns Matrix2d

  Reference to this object for method chaining

setTransform

• setTransform(
      ...values:
          | [number, number, number, number, number, number]
          | [number, number, number, number, number, number, number, number, number],
  ): Matrix2d

  Set the matrix to the specified value.

  Parameters

  • ...values:
        | [number, number, number, number, number, number]
        | [number, number, number, number, number, number, number, number, number]

    The matrix components.

  Returns Matrix2d

  Reference to this object for method chaining

toArray

• toArray(): Float32Array<ArrayBufferLike>

  return an array representation of this Matrix

  Returns Float32Array<ArrayBufferLike>

  the internal matrix values

toString

• toString(): string

  convert the object to a string representation

  Returns string

  string representation of the matrix

transform

• transform(
      a: number,
      b: number,
      c: number,
      d: number,
      e: number,
      f: number,
  ): Matrix2d

  Multiplies the current transformation with the matrix described by the arguments of this method.

  Parameters

  • a: number

    a component

  • b: number

    b component

  • c: number

    c component

  • d: number

    d component

  • e: number

    e component

  • f: number

    f component

  Returns Matrix2d

  Reference to this object for method chaining

translate

• translate(x: number, y?: number): Matrix2d

  translate the matrix position on the horizontal and vertical axis

  Parameters

  • x: number

    the x coordindates or a vector to translate the matrix by

  • Optionaly: number

    the y coordindates to translate the matrix by

  Returns Matrix2d

  Reference to this object for method chaining

• translate(vector: Vector2d): Matrix2d

  translate the matrix position on the horizontal and vertical axis

  Parameters

  • vector: Vector2d

  Returns Matrix2d

  Reference to this object for method chaining

transpose

• transpose(): Matrix2d

  Transpose the value of this matrix.

  Returns Matrix2d

  Reference to this object for method chaining