Class Matrix2d

constructor

• new Matrix2d(...args): Matrix2d

• Parameters

  • Rest...args: any[]

    an instance of me.Matrix2d or me.Matrix3d to copy from, or individual matrix components (See Matrix2d.setTransform). If not arguments are given, the matrix will be set to Identity.

  Returns Matrix2d

val

tx

• get tx(): number

• tx component of the matrix

  Returns number

  See

  Matrix2d.translate

ty

• get ty(): number

• ty component of the matrix

  Returns number

  See

  Matrix2d.translate

apply

• apply(v): Vector2d | Vector3d

• apply the 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.

applyInverse

• applyInverse(v): 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

copy

• copy(m): 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): 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): Matrix2d

• Copies over the upper-left 3x3 values from the given me.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

• returns true if the matrix is an identity matrix.

  Returns boolean

multiply

• multiply(m): Matrix2d

• multiply both matrix

  Parameters

  • m: Matrix2d

    the other matrix

  Returns Matrix2d

  Reference to this object for method chaining

rotate

• rotate(angle): 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, y?): 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): Matrix2d

• adds a 2D scaling transformation.

  Parameters

  • v: Vector2d

    scaling vector

  Returns Matrix2d

  Reference to this object for method chaining

scaleX

• scaleX(x): 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): 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(...args): Matrix2d

• set the matrix to the specified value

  Parameters

  • Rest...args: any

  Returns Matrix2d

  Reference to this object for method chaining

toArray

• toArray(): Float32Array

• return an array representation of this Matrix

  Returns Float32Array

toString

• toString(): string

• convert the object to a string representation

  Returns string

transform

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

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

  Parameters

  • a: number
  • b: number
  • c: number
  • d: number
  • e: number
  • f: number

  Returns Matrix2d

  Reference to this object for method chaining

translate

• translate(...args): Matrix2d

• translate the matrix position on the horizontal and vertical axis

  Parameters

  • Rest...args: any

  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