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Allow UnevenSampleCurve to infer interpolation arguments from samples

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laund 2025-07-08 23:02:57 +02:00
parent 0ee937784e
commit cdb31c86bc
1 changed files with 11 additions and 1 deletions
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12
crates/bevy_math/src/curve/sample_curves.rs
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@ -279,7 +279,10 @@ impl<T, I> UnevenSampleCurve<T, I> {
pub fn new(
timed_samples: impl IntoIterator<Item = (f32, T)>,
interpolation: I,
) -> Result<Self, UnevenCoreError> {
) -> Result<Self, UnevenCoreError>
where
I: Fn(&T, &T, f32) -> T,
{
Ok(Self {
core: UnevenCore::new(timed_samples)?,
interpolation,
@ -403,4 +406,11 @@ mod tests {
let _: Box<dyn Reflect> = Box::new(UnevenSampleCurve::new(keyframes, bar).unwrap());
let _: Box<dyn Reflect> = Box::new(UnevenSampleCurve::new(keyframes, baz).unwrap());
}
#[test]
fn test_infer_interp_arguments() {
// it should be possible to infer the x and y arguments of the interpolation function
// from the input samples. If that becomes impossible, this will fail to compile.
SampleCurve::new(Interval::UNIT, [0.0, 1.0], |x, y, t| x.lerp(*y, t)).ok();
UnevenSampleCurve::new([(0.1, 1.0), (1.0, 3.0)], |x, y, t| x.lerp(*y, t)).ok();
}
}