Matrix3D
Kind: class
new Matrix3D()
▸ new Matrix3D(a, b, c, d, e, f, m20, m21, m02, m12, m22, mz): Matrix3D
Creates a new 3D transform matrix with the following structure:
Copied to your clipboard1| a c m02 e |2| b d m12 f |3| m20 m21 m22 mz |4| 0 0 0 1 |
newFrom()
▸ newFrom(m): Matrix3D
Create a new Matrix3D object starting from the given Matrix2D or Matrix3D parameter.
| Param | Type | Description |
|---|---|---|
m | The matrix to clone. |
Kind: instance method of Matrix3D
setFrom()
▸ setFrom(otherMatrix)
Copies another matrix's values into this matrix.
| Param | Type | Description |
|---|---|---|
otherMatrix | The matrix to copy values from. |
Kind: instance method of Matrix3D
clone()
▸ clone(): Matrix3D
Clone the matrix
Kind: instance method of Matrix3D
add()
▸ add(m1, m2): Matrix | Matrix3D
Safely add a mixture of Matrix and Matrix3D without dropping the 3D part.
Returns the addition result which is Matrix if both were Matrix, and Matrix3D otherwise.
| Param | Type | Description |
|---|---|---|
m1 | The first matrix. | |
m2 | The second matrix. |
Kind: instance method of Matrix3D
clear3D()
▸ clear3D()
Clears the 3D components of this matrix. Functionally equivalent to converting to a 2D matrix and then back to a 3D one.
Kind: instance method of Matrix3D
strictHas3D()
▸ strictHas3D(): boolean
Returns true if we have 3D components in this matrix.
Check if this matrix has 3D components. An efficient of checking if new Matrix3D().setFrom(this.toMatrix()) !== this
Kind: instance method of Matrix3D
has3D()
▸ has3D(): boolean
Check if this matrix has 3D components, with an epsilon. Returns true if we have 3D components in this matrix.
Kind: instance method of Matrix3D
set6()
▸ set6(a, b, c, d, e, f)
Set the 2D components of this matrix and clear the 3D ones.
Kind: instance method of Matrix3D
setIdentity()
▸ setIdentity()
Set the identity matrix.
Kind: instance method of Matrix3D
isIdentity()
▸ isIdentity(): boolean
Check if the matrix is the identity matrix. Returns true if the matrix is the identity matrix.
Kind: instance method of Matrix3D
isInvertible()
▸ isInvertible(): boolean
Test if this matrix is invertible. Returns true if we can invert this matrix.
Kind: instance method of Matrix3D
invert()
▸ invert(): Matrix3D
Return the inverse of this matrix. The original matrix is not modified.
Kind: instance method of Matrix3D
setConcat()
▸ setConcat(a, b): Matrix3D
Set this matrix to the concatenation of A * B.
| Param | Type |
|---|---|
a | |
b |
Kind: instance method of Matrix3D
multRight()
▸ multRight(a, b, c, d, e, f): Matrix3D
Multiplies a passed affine transform to the right: this * M.
| Param | Type | Description |
|---|---|---|
a | A Matrix or the a component of a affine transform. | |
b | ?number | The b component of a affine transform. |
c | ?number | The c component of a affine transform. |
d | ?number | The d component of a affine transform. |
e | ?number | The e component of a affine transform. |
f | ?number | The f component of a affine transform. |
Kind: instance method of Matrix3D
multLeft()
▸ multLeft(a, b, c, d, e, f): Matrix3D
Multiplies a passed affine transform to the left: this * M.
| Param | Type | Description |
|---|---|---|
a | A Matrix or the a component of a affine transform. | |
b | ?number | The b component of a affine transform. |
c | ?number | The c component of a affine transform. |
d | ?number | The d component of a affine transform. |
e | ?number | The e component of a affine transform. |
f | ?number | The f component of a affine transform. |
Kind: instance method of Matrix3D
translate()
▸ translate(tx, ty, tz): Matrix3D
Translate the matrix
| Param | Type | Description |
|---|---|---|
tx | number | translate on X axis |
ty | number | translate on y axis |
tz | number | translate on z axis |
Kind: instance method of Matrix3D
translateLeft()
▸ translateLeft(tx, ty, tz): Matrix3D
Translate the matrix, but in global coordinates. Mathematically, this is the same thing as adding the delta directly to the translation column (last column) of the matrix.
| Param | Type |
|---|---|
tx | number |
ty | number |
tz | number |
Kind: instance method of Matrix3D
translateWithPoint()
▸ translateWithPoint(point): Matrix3D
Translate with Point. Returns the modified matrix.
| Param | Type | Description |
|---|---|---|
point | {x: number, y: number} | {x: number, y: number, z: number} | the point reprezenting horizontal and vertical translation (and optionally z translation as well). |
Kind: instance method of Matrix3D
getTranslate()
▸ getTranslate(): Array
Get the translate component of this matrix, as an array.
Kind: instance method of Matrix3D
scale()
▸ scale(scale, sy, sz): Matrix3D
Scale the matrix
| Param | Type | Description |
|---|---|---|
scale | number | The scale value on X axis |
sy | ?number | The scale value on Y axis; if undefined, the scale value will be used |
sz | ?number | The scale value on Z axis; if undefined, the matrix will not be scaled on Z |
Kind: instance method of Matrix3D
rotate()
▸ rotate(a, x, y): Matrix3D
Rotate the matrix around the Z axis (optionally, around a point).
| Param | Type | Description |
|---|---|---|
a | number | Angle in degrees |
x | ?number | The x coordinate of the point used as center of rotation. |
y | ?number | The y coordinate of the point used as center of rotation. |
Kind: instance method of Matrix3D
rotateX()
▸ rotateX(a): Matrix3D
Rotate the matrix around the X axis.
| Param | Type | Description |
|---|---|---|
a | number | Angle in degrees |
Kind: instance method of Matrix3D
rotateY()
▸ rotateY(a): Matrix3D
Rotate the matrix around the Y axis.
| Param | Type | Description |
|---|---|---|
a | number | Angle in degrees |
Kind: instance method of Matrix3D
x()
▸ x(x, y, z): number
Returns the x coordinate for a given point after transformation described by the matrix.
See: Matrix3D.y, Matrix3D.z
| Param | Type | Description |
|---|---|---|
x | number | The x coordinate of the given point |
y | number | The y coordinate of the given point |
z | ?number | The z coordinate of the given point |
Kind: instance method of Matrix3D
y()
▸ y(x, y, z): number
Returns the y coordinate for a given point after transformation described by the matrix.
See: Matrix3D.x, Matrix3D.z
| Param | Type | Description |
|---|---|---|
x | number | The x coordinate of the given point |
y | number | The y coordinate of the given point |
z | ?number | The z coordinate of the given point |
Kind: instance method of Matrix3D
z()
▸ z(x, y, z): number
Returns the z coordinate for a given point after transformation described by the matrix.
See: Matrix3D.x, Matrix3D.y
| Param | Type | Description |
|---|---|---|
x | number | The x coordinate of the given point |
y | number | The y coordinate of the given point |
z | ?number | The z coordinate of the given point |
Kind: instance method of Matrix3D
transformPoint()
▸ transformPoint(point): {x:number, y:number}
Transforms a 2D point using the matrix.
| Param | Type |
|---|---|
point | {x:number, y:number} |
Kind: instance method of Matrix3D
transformOrigin()
▸ transformOrigin(): {x:number, y:number}
Transform the point (0, 0).
Kind: instance method of Matrix3D
transformRect()
▸ transformRect(rect): {x:number, y:number, width:number, height:number}
Transforms a rectangle using the matrix.
| Param | Type |
|---|---|
rect | {x:number, y:number, width:number, height:number} |
Kind: instance method of Matrix3D
hasSkew()
▸ hasSkew(): boolean
Check if the matrix will introduce any skew on the XY plane. Returns true, if the matrix contains skew.
Kind: instance method of 3DMatrix
hasSkewXZ()
▸ hasSkewXZ(): boolean
Check if the matrix will introduce any skew on the XZ plane. Returns true, if the matrix contains skew.
Kind: instance method of 3DMatrix
hasSkewYZ()
▸ hasSkewYZ(): boolean
Check if the matrix will introduce any skew on the YZ plane. Returns true, if the matrix contains skew.
Kind: instance method of 3DMatrix
isTranslationOnly()
▸ isTranslationOnly(): boolean
Returns true if there are no scale, skew, or rotation values, and the matrix is all translation. (Although identity is still considered all translation.) This is equivalent to this.strictEquals(new Matrix3D().translate(...this.getTranslate()))
Kind: instance method of 3DMatrix
getRotation()
▸ getRotation(): number
Get the rotation of this matrix.
Kind: instance method of 3DMatrix
flip()
▸ flip(flipInfo, width, height)
Performs a flip to the matrix according to the passed FlipInfo. If the width and height of an object on which the transform matrix would be applied is passed, the required translation is performed to keep the object in place.
| Param | Type | Description |
|---|---|---|
flipInfo | {flipX: boolean, flipY: boolean} | flipX - Specifies if the object is flipped horizontally, FlipY - Specifies if the object is flipped vertically |
width | ?number | The width of the node on which the matrix is to be applied |
height | ?number | The height of the node on which the matrix is to be applied |
Kind: instance method of Matrix3D
equals()
▸ equals(otherMatrix): boolean
Compare a matrix for equality with a tolerance. Returns true if current matrix is identical up to ZERO_TOLERANCE with otherMatrix.
| Param | Type | Description |
|---|---|---|
otherMatrix | the matrix to compare with. |
Kind: instance method of 3DMatrix
strictEquals()
▸ strictEquals(otherMatrix): boolean
Compare a matrix with strict equality / zero tolerance. Returns true if current matrix is identical.
| Param | Type | Description |
|---|---|---|
otherMatrix | the matrix to compare with. |
Kind: instance method of 3DMatrix
toTransformString()
▸ toTransformString(): string
Returns transform string that represents given matrix.
Kind: instance method of 3DMatrix
roundToSinglePrecision()
▸ roundToSinglePrecision(): Matrix3D
Rounds all the values held inside the matrix to single point precision and return the matrix.
Kind: instance method of Matrix3D
