Externalize the proximity code (renamed intersection).

src/pipeline/collision_pipeline.rs

@@ -64,7 +64,7 @@ impl CollisionPipeline {
             contact_pair_filter,
             events,
         );
-        narrow_phase.compute_proximities(
+        narrow_phase.compute_intersections(
             prediction_distance,
             bodies,
             colliders,

src/pipeline/event_handler.rs

@@ -1,14 +1,14 @@
-use crate::geometry::{ContactEvent, ProximityEvent};
+use crate::geometry::{ContactEvent, IntersectionEvent};
 use crossbeam::channel::Sender;
 
 /// Trait implemented by structures responsible for handling events generated by the physics engine.
 ///
 /// Implementors of this trait will typically collect these events for future processing.
 pub trait EventHandler: Send + Sync {
-    /// Handle a proximity event.
+    /// Handle an intersection event.
     ///
-    /// A proximity event is emitted when the state of proximity between two colliders changes.
-    fn handle_proximity_event(&self, event: ProximityEvent);
+    /// A intersection event is emitted when the state of intersection between two colliders changes.
+    fn handle_intersection_event(&self, event: IntersectionEvent);
     /// Handle a contact event.
     ///
     /// A contact event is emitted when two collider start or stop touching, independently from the
@@ -17,32 +17,32 @@ pub trait EventHandler: Send + Sync {
 }
 
 impl EventHandler for () {
-    fn handle_proximity_event(&self, _event: ProximityEvent) {}
+    fn handle_intersection_event(&self, _event: IntersectionEvent) {}
     fn handle_contact_event(&self, _event: ContactEvent) {}
 }
 
 /// A physics event handler that collects events into a crossbeam channel.
 pub struct ChannelEventCollector {
-    proximity_event_sender: Sender<ProximityEvent>,
+    intersection_event_sender: Sender<IntersectionEvent>,
     contact_event_sender: Sender<ContactEvent>,
 }
 
 impl ChannelEventCollector {
     /// Initialize a new physics event handler from crossbeam channel senders.
     pub fn new(
-        proximity_event_sender: Sender<ProximityEvent>,
+        intersection_event_sender: Sender<IntersectionEvent>,
         contact_event_sender: Sender<ContactEvent>,
     ) -> Self {
         Self {
-            proximity_event_sender,
+            intersection_event_sender,
             contact_event_sender,
         }
     }
 }
 
 impl EventHandler for ChannelEventCollector {
-    fn handle_proximity_event(&self, event: ProximityEvent) {
-        let _ = self.proximity_event_sender.send(event);
+    fn handle_intersection_event(&self, event: IntersectionEvent) {
+        let _ = self.intersection_event_sender.send(event);
     }
 
     fn handle_contact_event(&self, event: ContactEvent) {

src/pipeline/physics_pipeline.rs

@@ -118,7 +118,7 @@ impl PhysicsPipeline {
             contact_pair_filter,
             events,
         );
-        narrow_phase.compute_proximities(
+        narrow_phase.compute_intersections(
             integration_parameters.prediction_distance,
             bodies,
             colliders,