Class Matrix3d

constructor

• new Matrix3d(...value: ConstructorArg): Matrix3d

  Constructs a new Matrix3d object.

  Parameters

  • ...value: ConstructorArg

    The values to initialize the matrix with.

  Returns Matrix3d

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.

tz

• get tz(): number

  Gets the tz component of the matrix.

  Returns number

  The tz 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 | Vector3d): Vector2d | Vector3d

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

  Parameters

  • v: Vector2d | Vector3d

    the vector object to be transformed

  Returns Vector2d | Vector3d

  result vector object.

clone

• clone(): Matrix3d

  Clone the Matrix

  Returns Matrix3d

  a cloned matrix

copy

• copy(m: Matrix3d): Matrix3d

  Copies over the values from another me.Matrix3d.

  Parameters

  • m: Matrix3d

    the matrix object to copy from

  Returns Matrix3d

  Reference to this object for method chaining

equals

• equals(m: Matrix3d): boolean

  return true if the two matrices are identical

  Parameters

  • m: Matrix3d

    the other matrix

  Returns boolean

  true if both are equals

fromMat2d

• fromMat2d(m: Matrix2d): Matrix3d

  Copies over the upper-left 2x2 values from the given me.Matrix2d

  Parameters

  • m: Matrix2d

    the matrix object to copy from

  Returns Matrix3d

  Reference to this object for method chaining

identity

• identity(): Matrix3d

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

  Returns Matrix3d

  Reference to this object for method chaining

invert

• invert(): Matrix3d

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

  Returns Matrix3d

  Reference to this object for method chaining

isIdentity

• isIdentity(): boolean

  Check if the matrix is an identity matrix.

  Returns boolean

  true if the matrix is an identity matrix

multiply

• multiply(m: Matrix3d): Matrix3d

  multiply both matrix

  Parameters

  • m: Matrix3d

    Other matrix

  Returns Matrix3d

  Reference to this object for method chaining

ortho

• ortho(
      left: number,
      right: number,
      bottom: number,
      top: number,
      near: number,
      far: number,
  ): Matrix3d

  generate an orthogonal projection matrix, with the result replacing the current matrix
  

  Parameters

  • left: number

    farthest left on the x-axis

  • right: number

    farthest right on the x-axis

  • bottom: number

    farthest down on the y-axis

  • top: number

    farthest up on the y-axis

  • near: number

    distance to the near clipping plane along the -Z axis

  • far: number

    distance to the far clipping plane along the -Z axis

  Returns Matrix3d

  Reference to this object for method chaining

rotate

• rotate(angle: number, v: Vector3d): Matrix3d | null

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

  Parameters

  • angle: number

    Rotation angle in radians.

  • v: Vector3d

    the axis to rotate around

  Returns Matrix3d | null

  Reference to this object for method chaining

scale

• scale(x: number, y?: number, z?: number): Matrix3d

  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.

  • Optionalz: number = 0

    a number representing the depth vector

  Returns Matrix3d

  Reference to this object for method chaining

scaleV

• scaleV(v: Vector3d): Matrix3d

  adds a 2D scaling transformation.

  Parameters

  • v: Vector3d

    scaling vector

  Returns Matrix3d

  Reference to this object for method chaining

scaleX

• scaleX(x: number): Matrix3d

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

  Parameters

  • x: number

    x scaling vector

  Returns Matrix3d

  Reference to this object for method chaining

scaleY

• scaleY(y: number): Matrix3d

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

  Parameters

  • y: number

    y scaling vector

  Returns Matrix3d

  Reference to this object for method chaining

setTransform

• setTransform(...values: SixteenNumbers): Matrix3d

  Set the matrix to the specified value.

  Parameters

  • ...values: SixteenNumbers

    The matrix components.

  Returns Matrix3d

  Reference to this object for method chaining

toArray

• toArray(): Float32Array<ArrayBufferLike>

  return an array representation of this Matrix

  Returns Float32Array<ArrayBufferLike>

  internal matrix values

toString

• toString(): string

  convert the object to a string representation

  Returns string

  stringified representation

translate

• translate(x: number, y?: number, z?: number): Matrix3d

  translate the matrix position using the given vector

  Parameters

  • x: number

    a number representing the abscissa of the vector, or a vector object

  • Optionaly: number

    a number representing the ordinate of the vector.

  • Optionalz: number

    a number representing the depth of the vector

  Returns Matrix3d

  Reference to this object for method chaining

• translate(vector: Vector2d | Vector3d): Matrix3d

  translate the matrix position using the given vector

  Parameters

  • vector: Vector2d | Vector3d

  Returns Matrix3d

  Reference to this object for method chaining

transpose

• transpose(): Matrix3d

  Transpose the value of this matrix.

  Returns Matrix3d

  Reference to this object for method chaining