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时间:2025/7/8 22:56:43来源：https://blog.csdn.net/weixin_43219667/article/details/147311978 浏览次数:4次


impl<T: Copy, Src, Dst> Transform2D<T, Src, Dst> {/// Returns an array containing this transform's terms.////// The terms are laid out in the same order as they are/// specified in [`Transform2D::new`], that is following the/// column-major-column-vector matrix notation.////// For example the translation terms are found in the/// last two slots of the array.#[inline]#[rustfmt::skip]pub fn to_array(&self) -> [T; 6] {[self.m11, self.m12,self.m21, self.m22,self.m31, self.m32]}/// Returns an array containing this transform's terms transposed.////// The terms are laid out in transposed order from the same order of/// `Transform3D::new` and `Transform3D::to_array`, that is following/// the row-major-column-vector matrix notation.////// For example the translation terms are found at indices 2 and 5/// in the array.#[inline]#[rustfmt::skip]pub fn to_array_transposed(&self) -> [T; 6] {[self.m11, self.m21, self.m31,self.m12, self.m22, self.m32]}/// Equivalent to `to_array` with elements packed two at a time/// in an array of arrays.#[inline]pub fn to_arrays(&self) -> [[T; 2]; 3] {[[self.m11, self.m12],[self.m21, self.m22],[self.m31, self.m32],]}/// Create a transform providing its components via an array/// of 6 elements instead of as individual parameters.////// The order of the components corresponds to the/// column-major-column-vector matrix notation (the same order/// as `Transform2D::new`).#[inline]#[rustfmt::skip]pub fn from_array(array: [T; 6]) -> Self {Self::new(array[0], array[1],array[2], array[3],array[4], array[5],)}/// Equivalent to `from_array` with elements packed two at a time/// in an array of arrays.////// The order of the components corresponds to the/// column-major-column-vector matrix notation (the same order/// as `Transform3D::new`).#[inline]#[rustfmt::skip]pub fn from_arrays(array: [[T; 2]; 3]) -> Self {Self::new(array[0][0], array[0][1],array[1][0], array[1][1],array[2][0], array[2][1],)}/// Drop the units, preserving only the numeric value.#[inline]#[rustfmt::skip]pub fn to_untyped(&self) -> Transform2D<T, UnknownUnit, UnknownUnit> {Transform2D::new(self.m11, self.m12,self.m21, self.m22,self.m31, self.m32)}/// Tag a unitless value with units.#[inline]#[rustfmt::skip]pub fn from_untyped(p: &Transform2D<T, UnknownUnit, UnknownUnit>) -> Self {Transform2D::new(p.m11, p.m12,p.m21, p.m22,p.m31, p.m32)}/// Returns the same transform with a different source unit.#[inline]#[rustfmt::skip]pub fn with_source<NewSrc>(&self) -> Transform2D<T, NewSrc, Dst> {Transform2D::new(self.m11, self.m12,self.m21, self.m22,self.m31, self.m32,)}/// Returns the same transform with a different destination unit.#[inline]#[rustfmt::skip]pub fn with_destination<NewDst>(&self) -> Transform2D<T, Src, NewDst> {Transform2D::new(self.m11, self.m12,self.m21, self.m22,self.m31, self.m32,)}/// Create a 3D transform from the current transformpub fn to_3d(&self) -> Transform3D<T, Src, Dst>whereT: Zero + One,{Transform3D::new_2d(self.m11, self.m12, self.m21, self.m22, self.m31, self.m32)}
}