37 lines
662 B
Rust
37 lines
662 B
Rust
|
use crate::{Key, Spline};
|
||
|
|
|
||
|
|
/// Iterator over spline keys.
|
||
|
|
///
|
||
|
|
/// This iterator type assures you to iterate over sorted keys.
|
||
|
|
pub struct Iter<'a, T, V> where T: 'a, V: 'a {
|
||
|
|
anim_param: &'a Spline<T, V>,
|
||
|
|
i: usize
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<'a, T, V> Iterator for Iter<'a, T, V> {
|
||
|
|
type Item = &'a Key<T, V>;
|
||
|
|
|
||
|
|
fn next(&mut self) -> Option<Self::Item> {
|
||
|
|
let r = self.anim_param.0.get(self.i);
|
||
|
|
|
||
|
|
if let Some(_) = r {
|
||
|
|
self.i += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
r
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<'a, T, V> IntoIterator for &'a Spline<T, V> {
|
||
|
|
type Item = &'a Key<T, V>;
|
||
|
|
type IntoIter = Iter<'a, T, V>;
|
||
|
|
|
||
|
|
fn into_iter(self) -> Self::IntoIter {
|
||
|
|
Iter {
|
||
|
|
anim_param: self,
|
||
|
|
i: 0
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|