Impl Interpolator for Arc<I>, Arc<Mutex<I>> and Arc<RwLock<I>>

src/interpolate.rs

@@ -44,6 +44,8 @@
 //! If you've created a custom interpolator or a custom component/asset/resource,
 //! you may need to [register some systems](crate::tween#registering-systems).
 
+use std::sync::{Arc, Mutex, RwLock};
+
 use bevy::prelude::*;
 
 #[cfg(feature = "bevy_sprite")]
@@ -145,7 +147,38 @@ where
     }
 }
 
-type InterpolatorClosure<I> = Box<dyn Fn(&mut I, f32) + Send + Sync + 'static>;
+impl<I> Interpolator for Arc<I>
+where
+    I: Interpolator + ?Sized,
+{
+    type Item = I::Item;
+
+    fn interpolate(&self, item: &mut Self::Item, value: f32) {
+        (**self).interpolate(item, value)
+    }
+}
+
+impl<I> Interpolator for Arc<Mutex<I>>
+where
+    I: Interpolator + ?Sized,
+{
+    type Item = I::Item;
+
+    fn interpolate(&self, item: &mut Self::Item, value: f32) {
+        self.lock().expect("valid Mutex").interpolate(item, value)
+    }
+}
+
+impl<I> Interpolator for Arc<RwLock<I>>
+where
+    I: Interpolator,
+{
+    type Item = I::Item;
+
+    fn interpolate(&self, item: &mut Self::Item, value: f32) {
+        self.read().expect("valid RwLock").interpolate(item, value)
+    }
+}
 
 /// Default interpolators
 pub struct DefaultInterpolatorsPlugin;