Extends

• me.Object

Members

static, readonly tx :Number

tx component of the matrix

See:

• me.Matrix2d.translate

static, readonly ty :Number

ty component of the matrix

See:

• me.Matrix2d.translate

Methods

static clone() → {me.Matrix2d}

Clone the Matrix

Returns:

me.Matrix2d

static copy(m) → {me.Matrix2d}

Copies over the values from another me.Matrix2d.

Parameters:

Name	Type	Description
m	me.Matrix2d	the matrix object to copy from

Returns:

me.Matrix2d -

Reference to this object for method chaining

static identity() → {me.Matrix2d}

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

Returns:

me.Matrix2d -

Reference to this object for method chaining

static invert() → {me.Matrix2d}

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

Returns:

me.Matrix2d -

Reference to this object for method chaining

static isIdentity() → {Boolean}

returns true if the matrix is an identity matrix.

Returns:

Boolean

static multiply(b) → {me.Matrix2d}

multiply both matrix

Parameters:

Name	Type	Description
b	me.Matrix2d	Other matrix

Returns:

me.Matrix2d -

Reference to this object for method chaining

static multiplyVector(vector) → {me.Vector2d}

Transforms the given vector according to this matrix.

Parameters:

Name	Type	Description
vector	me.Vector2d	the vector object to be transformed

Returns:

me.Vector2d -

result vector object. Useful for chaining method calls.

static multiplyVector(vector) → {me.Vector2d}

Transforms the given vector using the inverted current matrix.

Parameters:

Name	Type	Description
vector	me.Vector2d	the vector object to be transformed

Returns:

me.Vector2d -

result vector object. Useful for chaining method calls.

static rotate(angle) → {me.Matrix2d}

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

Parameters:

Name	Type	Description
angle	Number	Rotation angle in radians.

Returns:

me.Matrix2d -

Reference to this object for method chaining

static scale(x, yopt) → {me.Matrix2d}

scale the matrix

Parameters:

Name	Type	Attributes	Default	Description
x	Number			a number representing the abscissa of the scaling vector.
y	Number	<optional>	x	a number representing the ordinate of the scaling vector.

Returns:

me.Matrix2d -

Reference to this object for method chaining

static scaleV(vector) → {me.Matrix2d}

adds a 2D scaling transformation.

Parameters:

Name	Type	Description
vector	me.Vector2d	scaling vector

Returns:

me.Matrix2d -

Reference to this object for method chaining

static scaleX(x) → {me.Matrix2d}

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

Parameters:

Name	Type	Description
x	Number	x scaling vector

Returns:

me.Matrix2d -

Reference to this object for method chaining

static scaleY(y) → {me.Matrix2d}

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

Parameters:

Name	Type	Description
y	Number	y scaling vector

Returns:

me.Matrix2d -

Reference to this object for method chaining

static setTransform(a, b, c, d, e, f, gopt, hopt, iopt) → {me.Matrix2d}

set the matrix to the specified value

Parameters:

Name	Type	Attributes	Default	Description
a	Number
b	Number
c	Number
d	Number
e	Number
f	Number
g	Number	<optional>	0
h	Number	<optional>	0
i	Number	<optional>	1

Returns:

me.Matrix2d -

Reference to this object for method chaining

static toString() → {String}

convert the object to a string representation

Returns:

String

static translate(x, y) → {me.Matrix2d}

translate the matrix position on the horizontal and vertical axis

Parameters:

Name	Type	Description
x	Number	the x coordindates to translate the matrix by
y	Number	the y coordindates to translate the matrix by

Returns:

me.Matrix2d -

Reference to this object for method chaining

static translateV(v) → {me.Matrix2d}

translate the matrix by a vector on the horizontal and vertical axis

Parameters:

Name	Type	Description
v	me.Vector2d	the vector to translate the matrix by

Returns:

me.Matrix2d -

Reference to this object for method chaining

static transpose() → {me.Matrix2d}

Transpose the value of this matrix.

Returns:

me.Matrix2d -

Reference to this object for method chaining