Class Matrix2D

constructor

• new Matrix2D(
      m00: number,
      m01: number,
      m10: number,
      m11: number,
      m20: number,
      m21: number,
  ): Matrix2D

  Creates a new matrix

  Parameters

  • m00: number

    defines value for (0, 0)

  • m01: number

    defines value for (0, 1)

  • m10: number

    defines value for (1, 0)

  • m11: number

    defines value for (1, 1)

  • m20: number

    defines value for (2, 0)

  • m21: number

    defines value for (2, 1)

  Returns Matrix2D

m

determinant

• determinant(): number

  Gets matrix determinant

  Returns number

  the determinant

fromValues

• fromValues(
      m00: number,
      m01: number,
      m10: number,
      m11: number,
      m20: number,
      m21: number,
  ): Matrix2D

  Fills the matrix from direct values

  Parameters

  • m00: number

    defines value for (0, 0)

  • m01: number

    defines value for (0, 1)

  • m10: number

    defines value for (1, 0)

  • m11: number

    defines value for (1, 1)

  • m20: number

    defines value for (2, 0)

  • m21: number

    defines value for (2, 1)

  Returns Matrix2D

  the current modified matrix

invertToRef

• invertToRef(result: Matrix2D): Matrix2D

  Inverses the matrix and stores it in a target matrix

  Parameters

  • result: Matrix2D

    defines the target matrix

  Returns Matrix2D

  the current matrix

multiplyToRef

• multiplyToRef(other: Matrix2D, result: Matrix2D): Matrix2D

  Multiplies the current matrix with another one

  Parameters

  • other: Matrix2D

    defines the second operand

  • result: Matrix2D

    defines the target matrix

  Returns Matrix2D

  the current matrix

transformCoordinates

• transformCoordinates(x: number, y: number, result: Vector2): Matrix2D

  Applies the current matrix to a set of 2 floats and stores the result in a vector2

  Parameters

  • x: number

    defines the x coordinate to transform

  • y: number

    defines the x coordinate to transform

  • result: Vector2

    defines the target vector2

  Returns Matrix2D

  the current matrix

StaticComposeToRef

• ComposeToRef(
      tx: number,
      ty: number,
      angle: number,
      scaleX: number,
      scaleY: number,
      parentMatrix: Nullable<Matrix2D>,
      result: Matrix2D,
  ): void

  Composes a matrix from translation, rotation, scaling and parent matrix and stores it in a target matrix

  Parameters

  • tx: number

    defines the x coordinate of the translation

  • ty: number

    defines the y coordinate of the translation

  • angle: number

    defines the rotation angle

  • scaleX: number

    defines the x coordinate of the scaling

  • scaleY: number

    defines the y coordinate of the scaling

  • parentMatrix: Nullable<Matrix2D>

    defines the parent matrix to multiply by (can be null)

  • result: Matrix2D

    defines the target matrix

  Returns void

StaticIdentity

• Identity(): Matrix2D

  Creates an identity matrix

  Returns Matrix2D

  a new matrix

StaticIdentityToRef

• IdentityToRef(result: Matrix2D): void

  Creates an identity matrix and stores it in a target matrix

  Parameters

  • result: Matrix2D

    defines the target matrix

  Returns void

StaticRotationToRef

• RotationToRef(angle: number, result: Matrix2D): void

  Creates a rotation matrix and stores it in a target matrix

  Parameters

  • angle: number

    defines the rotation angle

  • result: Matrix2D

    defines the target matrix

  Returns void

StaticScalingToRef

• ScalingToRef(x: number, y: number, result: Matrix2D): void

  Creates a scaling matrix and stores it in a target matrix

  Parameters

  • x: number

    defines the x coordinate of the scaling

  • y: number

    defines the y coordinate of the scaling

  • result: Matrix2D

    defines the target matrix

  Returns void

StaticTranslationToRef

• TranslationToRef(x: number, y: number, result: Matrix2D): void

  Creates a translation matrix and stores it in a target matrix

  Parameters

  • x: number

    defines the x coordinate of the translation

  • y: number

    defines the y coordinate of the translation

  • result: Matrix2D

    defines the target matrix

  Returns void