Class: Matrix3

Constructor

new Matrix3()

Create a 3x3 matrix.

Methods

clone() → {t3d.Matrix3}

Creates a new Matrix3 and with identical elements to this one.

Returns:

Type:: t3d.Matrix3

copy(m) → {t3d.Matrix3}

Copies the elements of matrix m into this matrix.

Parameters:

Name	Type	Description
`m`	t3d.Matrix3

Returns:

Type:: t3d.Matrix3

fromArray(array, offsetopt) → {t3d.Matrix3}

Sets the elements of this matrix based on an array in column-major format.

Parameters:

Name	Type	Attributes	Default	Description
`array`	Array.<Number>
`offset`	Number	<optional>	0

Returns:

Type:: t3d.Matrix3

getInverse() → {t3d.Matrix3}

Take the inverse of the matrix

Returns:

Type:: t3d.Matrix3

identity() → {t3d.Matrix3}

Resets this matrix to the 3x3 identity matrix

Returns:

Type:: t3d.Matrix3

inverse() → {t3d.Matrix3}

Take the inverse of this matrix

Returns:

Type:: t3d.Matrix3

isIdentity() → {Boolean}

Checks if the matrix is an identity matrix.

Returns:

- True if the matrix is an identity matrix, false otherwise.

Type:: Boolean

multiply(m) → {t3d.Matrix3}

Post-multiplies this matrix by m.

Parameters:

Name	Type	Description
`m`	t3d.Matrix3

Returns:

Type:: t3d.Matrix3

multiplyMatrices(a, b) → {t3d.Matrix3}

Sets this matrix to a x b.

Parameters:

Name	Type	Description
`a`	t3d.Matrix3
`b`	t3d.Matrix3

Returns:

Type:: t3d.Matrix3

premultiply(m) → {t3d.Matrix3}

Pre-multiplies this matrix by m.

Parameters:

Name	Type	Description
`m`	t3d.Matrix3

Returns:

Type:: t3d.Matrix3

set(n11, n12, n13, n21, n22, n23, n31, n32, n33) → {t3d.Matrix3}

Sets the 3x3 matrix values to the given row-major sequence of values.

Parameters:

Name	Type	Description
`n11`	Number	value to put in row 1, col 1.
`n12`	Number	value to put in row 1, col 2.
`n13`	Number	value to put in row 1, col 3.
`n21`	Number	value to put in row 2, col 1.
`n22`	Number	value to put in row 2, col 2.
`n23`	Number	value to put in row 2, col 3.
`n31`	Number	value to put in row 3, col 1.
`n32`	Number	value to put in row 3, col 2.
`n33`	Number	value to put in row 3, col 3.

Returns:

Type:: t3d.Matrix3

setFromMatrix4(m) → {t3d.Matrix3}

Sets the matri3 planes from the matrix4.

Parameters:

Name	Type	Description
`m`	t3d.Matrix4

Returns:

Type:: t3d.Matrix3

setUvTransform(tx, ty, sx, sy, rotation, cx, cy) → {t3d.Matrix3}

Set the transformation matrix of uv coordinates

Parameters:

Name	Type	Description
`tx`	Number
`ty`	Number
`sx`	Number
`sy`	Number
`rotation`	Number
`cx`	Number
`cy`	Number

Returns:

Type:: t3d.Matrix3

toArray(arrayopt, offsetopt) → {Array.<Number>}

Writes the elements of this matrix to an array in column-major format.

Parameters:

Name	Type	Attributes	Default	Description
`array`	Array.<Number>	<optional>
`offset`	Number	<optional>	0

Returns:

Type:: Array.<Number>

transform(x, y, scaleX, scaleY, rotation, anchorX, anchorY) → {t3d.Matrix3}

Transform 2D

Parameters:

Name	Type	Description
`x`	Number	position.x
`y`	Number	position.y
`scaleX`	Number	scale.x
`scaleY`	Number	scale.y
`rotation`	Number	rotation
`anchorX`	Number	anchor.x
`anchorY`	Number	anchor.y

Returns:

Type:: t3d.Matrix3

transpose() → {t3d.Matrix3}

Transposes this matrix in place.

Returns:

Type:: t3d.Matrix3