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syntax.rs
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syntax.rs
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//! Convenient syntax for `fj` operations
//!
//! This model defines extension traits, which provide convenient syntax for
//! the various operations defined in this trait.
/// Convenient syntax to create an [`fj::Difference2d`]
///
/// [`fj::Difference2d`]: crate::Difference2d
pub trait Difference {
/// Create a difference between `self` and `other`
fn difference<Other>(&self, other: &Other) -> crate::Difference2d
where
Other: Clone + Into<crate::Shape2d>;
}
impl<T> Difference for T
where
T: Clone + Into<crate::Shape2d>,
{
fn difference<Other>(&self, other: &Other) -> crate::Difference2d
where
Other: Clone + Into<crate::Shape2d>,
{
let a = self.clone().into();
let b = other.clone().into();
crate::Difference2d::from_shapes([a, b])
}
}
/// Convenient syntax to create an [`fj::Group`]
///
/// [`fj::Group`]: crate::Group
pub trait Group {
/// Create a group with `self` and `other`
fn group<Other>(&self, other: &Other) -> crate::Group
where
Other: Clone + Into<crate::Shape3d>;
}
impl<T> Group for T
where
T: Clone + Into<crate::Shape3d>,
{
fn group<Other>(&self, other: &Other) -> crate::Group
where
Other: Clone + Into<crate::Shape3d>,
{
let a = self.clone().into();
let b = other.clone().into();
crate::Group { a, b }
}
}
/// Convenient syntax to create an [`fj::Sketch`]
///
/// [`fj::Sketch`]: crate::Sketch
pub trait Sketch {
/// Create a sketch from `self`
///
/// Can be called on any type that implements `AsRef<[[f64; 2]]`, which is
/// implemented for types like slices, arrays, or `Vec`.
fn sketch(&self) -> crate::Sketch;
}
impl<T> Sketch for T
where
T: AsRef<[[f64; 2]]>,
{
fn sketch(&self) -> crate::Sketch {
crate::Sketch::from_points(self.as_ref().to_vec())
}
}
/// Convenient syntax to create an [`fj::Sweep`]
///
/// [`fj::Sweep`]: crate::Sweep
pub trait Sweep {
/// Sweep `self` along the z-axis by `length`
fn sweep(&self, length: f64) -> crate::Sweep;
}
impl<T> Sweep for T
where
T: Clone + Into<crate::Shape2d>,
{
fn sweep(&self, length: f64) -> crate::Sweep {
let shape = self.clone().into();
crate::Sweep::from_shape_and_length(shape, length)
}
}
/// Convenient syntax to create an [`fj::Transform`]
///
/// [`fj::Transform`]: crate::Transform
pub trait Transform {
/// Create a rotation
///
/// Create a rotation that rotates `shape` by `angle` around an axis defined
/// by `axis`.
fn rotate(&self, axis: [f64; 3], angle: f64) -> crate::Transform;
/// Create a translation
///
/// Create a translation that translates `shape` by `offset`.
fn translate(&self, offset: [f64; 3]) -> crate::Transform;
}
impl<T> Transform for T
where
T: Clone + Into<crate::Shape3d>,
{
fn rotate(&self, axis: [f64; 3], angle: f64) -> crate::Transform {
let shape = self.clone().into();
crate::Transform {
shape,
axis,
angle,
offset: [0.; 3],
}
}
fn translate(&self, offset: [f64; 3]) -> crate::Transform {
let shape = self.clone().into();
crate::Transform {
shape,
axis: [1., 0., 0.],
angle: 0.,
offset,
}
}
}