A mat2d contains six elements defined as:
        
        
            
        
    
    [a, c, tx, b, d, ty]This is a short form for the 3x3 matrix:
[a, c, tx, b, d, ty, 0, 0, 1]The last row is ignored so the array is shorter and operations are faster.
Methods
(static) add(out, a, b) → {mat2d}
    Adds two mat2d's
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the first operand | 
| b | mat2d | the second operand | 
Returns:
    out
- Type
- mat2d
(static) clone(a) → {mat2d}
    Creates a new mat2d initialized with values from an existing matrix
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | mat2d | matrix to clone | 
Returns:
    a new 2x3 matrix
- Type
- mat2d
(static) copy(out, a) → {mat2d}
    Copy the values from one mat2d to another
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the source matrix | 
Returns:
    out
- Type
- mat2d
(static) create() → {mat2d}
    Creates a new identity mat2d
Returns:
    a new 2x3 matrix
- Type
- mat2d
(static) determinant(a) → {Number}
    Calculates the determinant of a mat2d
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | mat2d | the source matrix | 
Returns:
    determinant of a
- Type
- Number
(static) equals(a, b) → {Boolean}
    Returns whether or not the matrices have approximately the same elements in the same position.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | mat2d | The first matrix. | 
| b | mat2d | The second matrix. | 
Returns:
    True if the matrices are equal, false otherwise.
- Type
- Boolean
(static) exactEquals(a, b) → {Boolean}
    Returns whether or not the matrices have exactly the same elements in the same position (when compared with ===)
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | mat2d | The first matrix. | 
| b | mat2d | The second matrix. | 
Returns:
    True if the matrices are equal, false otherwise.
- Type
- Boolean
(static) frob(a) → {Number}
    Returns Frobenius norm of a mat2d
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | mat2d | the matrix to calculate Frobenius norm of | 
Returns:
    Frobenius norm
- Type
- Number
(static) fromRotation(out, rad) → {mat2d}
    Creates a matrix from a given angle
This is equivalent to (but much faster than):
    mat2d.identity(dest);
    mat2d.rotate(dest, dest, rad);
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | mat2d receiving operation result | 
| rad | Number | the angle to rotate the matrix by | 
Returns:
    out
- Type
- mat2d
(static) fromScaling(out, v) → {mat2d}
    Creates a matrix from a vector scaling
This is equivalent to (but much faster than):
    mat2d.identity(dest);
    mat2d.scale(dest, dest, vec);
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | mat2d receiving operation result | 
| v | vec2 | Scaling vector | 
Returns:
    out
- Type
- mat2d
(static) fromTranslation(out, v) → {mat2d}
    Creates a matrix from a vector translation
This is equivalent to (but much faster than):
    mat2d.identity(dest);
    mat2d.translate(dest, dest, vec);
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | mat2d receiving operation result | 
| v | vec2 | Translation vector | 
Returns:
    out
- Type
- mat2d
(static) fromValues(a, b, c, d, tx, ty) → {mat2d}
    Create a new mat2d with the given values
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | Number | Component A (index 0) | 
| b | Number | Component B (index 1) | 
| c | Number | Component C (index 2) | 
| d | Number | Component D (index 3) | 
| tx | Number | Component TX (index 4) | 
| ty | Number | Component TY (index 5) | 
Returns:
    A new mat2d
- Type
- mat2d
(static) identity(out) → {mat2d}
    Set a mat2d to the identity matrix
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
Returns:
    out
- Type
- mat2d
(static) invert(out, a) → {mat2d}
    Inverts a mat2d
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the source matrix | 
Returns:
    out
- Type
- mat2d
(static) mul()
    Alias for mat2d.multiply
        
            
    
    (static) multiply(out, a, b) → {mat2d}
    Multiplies two mat2d's
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the first operand | 
| b | mat2d | the second operand | 
Returns:
    out
- Type
- mat2d
(static) multiplyScalar(out, a, b) → {mat2d}
    Multiply each element of the matrix by a scalar.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the matrix to scale | 
| b | Number | amount to scale the matrix's elements by | 
Returns:
    out
- Type
- mat2d
(static) multiplyScalarAndAdd(out, a, b, scale) → {mat2d}
    Adds two mat2d's after multiplying each element of the second operand by a scalar value.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving vector | 
| a | mat2d | the first operand | 
| b | mat2d | the second operand | 
| scale | Number | the amount to scale b's elements by before adding | 
Returns:
    out
- Type
- mat2d
(static) rotate(out, a, rad) → {mat2d}
    Rotates a mat2d by the given angle
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the matrix to rotate | 
| rad | Number | the angle to rotate the matrix by | 
Returns:
    out
- Type
- mat2d
(static) scale(out, a, v) → {mat2d}
    Scales the mat2d by the dimensions in the given vec2
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the matrix to translate | 
| v | vec2 | the vec2 to scale the matrix by | 
Returns:
    out
- Type
- mat2d
(static) set(out, a, b, c, d, tx, ty) → {mat2d}
    Set the components of a mat2d to the given values
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | Number | Component A (index 0) | 
| b | Number | Component B (index 1) | 
| c | Number | Component C (index 2) | 
| d | Number | Component D (index 3) | 
| tx | Number | Component TX (index 4) | 
| ty | Number | Component TY (index 5) | 
Returns:
    out
- Type
- mat2d
(static) str(a) → {String}
    Returns a string representation of a mat2d
    Parameters:
| Name | Type | Description | 
|---|---|---|
| a | mat2d | matrix to represent as a string | 
Returns:
    string representation of the matrix
- Type
- String
(static) sub()
    Alias for mat2d.subtract
        
            
    
    (static) subtract(out, a, b) → {mat2d}
    Subtracts matrix b from matrix a
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the first operand | 
| b | mat2d | the second operand | 
Returns:
    out
- Type
- mat2d
(static) translate(out, a, v) → {mat2d}
    Translates the mat2d by the dimensions in the given vec2
    Parameters:
| Name | Type | Description | 
|---|---|---|
| out | mat2d | the receiving matrix | 
| a | mat2d | the matrix to translate | 
| v | vec2 | the vec2 to translate the matrix by | 
Returns:
    out
- Type
- mat2d