Shoot events!

src/systems/sync_bodies_from_physics.rs

@@ -4,7 +4,7 @@ use amethyst::core::{GlobalTransform, Transform};
 use amethyst::ecs::{Join, ReadStorage, System, Write, ReadExpect, WriteStorage};
 use amethyst::shrev::EventChannel;
 use nalgebra::Vector3;
-use ncollide3d::events::ContactEvent;
+use ncollide3d::events::{ContactEvent, ProximityEvent};
 use nphysics3d::object::Body;
 
 #[derive(Default)]
@@ -20,6 +20,7 @@ impl<'a> System<'a> for SyncBodiesFromPhysicsSystem {
     type SystemData = (
         ReadExpect<'a, PhysicsWorld>,
         Write<'a, EventChannel<ContactEvent>>,
+        Write<'a, EventChannel<ProximityEvent>>,
         WriteStorage<'a, GlobalTransform>,
         WriteStorage<'a, DynamicBody>,
         ReadStorage<'a, Transform>,
@@ -28,7 +29,8 @@ impl<'a> System<'a> for SyncBodiesFromPhysicsSystem {
     fn run(&mut self, data: Self::SystemData) {
         let (
             physical_world,
-            _contact_events,
+            mut contact_events,
+            mut proximity_events,
             mut global_transforms,
             mut physics_bodies,
             local_transforms,
@@ -85,6 +87,11 @@ impl<'a> System<'a> for SyncBodiesFromPhysicsSystem {
             };
         }
 
+        let collision_world = physical_world.collision_world();
+
+        contact_events.iter_write(collision_world.contact_events().iter().cloned());
+        proximity_events.iter_write(collision_world.proximity_events().iter().cloned());
+
         // TODO: reader id from other system?
         // Now that we changed them all, let's remove all those pesky events that were generated.
         // global_transforms