Class Matrix3

constructor

• new Matrix3(): Matrix3

• Returns Matrix3

elements

Readonly isMatrix3

add

• add(b): Matrix3

• Parameters

  • b: Matrix3

  Returns Matrix3

added

• added(b): Matrix3

• Parameters

  • b: Matrix3

  Returns Matrix3

clone

• clone(): Matrix3

• Returns Matrix3

compose

• compose(position, rotation, scale?): Matrix3

• Parameters

  • position: Vector2

  • rotation: number

  • Optional scale: Vector2

  Returns Matrix3

copy

• copy(m): Matrix3

• Parameters

  • m: Matrix3

  Returns Matrix3

determinant

• determinant(): number

• Returns number

doScale

• doScale(sx, sy): Matrix3

• 缩放，注意和 scale 的区别，这个不会影响 position

  Parameters

  • sx: number

  • sy: number

  Returns Matrix3

equals

• equals(matrix): boolean

• Parameters

  • matrix: Matrix3

  Returns boolean

extractBasis

• extractBasis(xAxis, yAxis, zAxis): Matrix3

• Parameters

  • xAxis: Vector3

  • yAxis: Vector3

  • zAxis: Vector3

  Returns Matrix3

fromArray

• fromArray(array, offset?): Matrix3

• Parameters

  • array: ArrayLike<number> | number[]

  • Optional offset: number

  Returns Matrix3

getNormalMatrix

• getNormalMatrix(matrix4): Matrix3

• Parameters

  • matrix4: Matrix4

  Returns Matrix3

getPosition

• getPosition(): Vector2

• Returns Vector2

identity

• identity(): Matrix3

• Returns Matrix3

invert

• invert(): Matrix3

• Returns Matrix3

inverted

• inverted(): Matrix3

• Returns Matrix3

multiplied

• multiplied(m): Matrix3

• Parameters

  • m: Matrix3

  Returns Matrix3

multiply

• multiply(m): Matrix3

• Parameters

  • m: Matrix3

  Returns Matrix3

multiplyMatrices

• multiplyMatrices(a, b): Matrix3

• Parameters

  • a: Matrix3

  • b: Matrix3

  Returns Matrix3

multiplyScalar

• multiplyScalar(s): Matrix3

• Parameters

  • s: number

  Returns Matrix3

premultiplied

• premultiplied(m): Matrix3

• Parameters

  • m: Matrix3

  Returns Matrix3

premultiply

• premultiply(m): Matrix3

• Parameters

  • m: Matrix3

  Returns Matrix3

rotate

• rotate(theta): Matrix3

• Parameters

  • theta: number

  Returns Matrix3

scale

• scale(sx, sy): Matrix3

• Parameters

  • sx: number

  • sy: number

  Returns Matrix3

set

• set(n11, n12, n13, n21, n22, n23, n31, n32, n33): Matrix3

• Parameters

  • n11: number

  • n12: number

  • n13: number

  • n21: number

  • n22: number

  • n23: number

  • n31: number

  • n32: number

  • n33: number

  Returns Matrix3

setFromMatrix4

• setFromMatrix4(m): Matrix3

• Parameters

  • m: Matrix4

  Returns Matrix3

setPosition

• setPosition(position): void

• 把位置信息放到没用的两个矩阵索引

  Parameters

  • position: Vector2

  Returns void

setRotation

• setRotation(angle): Matrix3

• 设置成旋转矩阵

  Parameters

  • angle: number

  Returns Matrix3

setScale

• setScale(scale): Matrix3

• 设置成缩放矩阵

  Parameters

  • scale: Vector2

  Returns Matrix3

setTranslation

• setTranslation(translation): Matrix3

• 设置成平移矩阵

  Parameters

  • translation: Vector2

  Returns Matrix3

setUvTransform

• setUvTransform(tx, ty, sx, sy, rotation, cx, cy): Matrix3

• Parameters

  • tx: number

  • ty: number

  • sx: number

  • sy: number

  • rotation: number

  • cx: number

  • cy: number

  Returns Matrix3

toArray

• toArray(array?, offset?): number[]

• Parameters

  • Optional array: number[]

  • Optional offset: number

  Returns number[]

translate

• translate(tx, ty): Matrix3

• Parameters

  • tx: number

  • ty: number

  Returns Matrix3

transpose

• transpose(): Matrix3

• Returns Matrix3

transposeIntoArray

• transposeIntoArray(r): Matrix3

• Parameters

  • r: number[]

  Returns Matrix3