Bevy 0.16 upgrade (#24)

src/abilities/thrown.rs

@@ -67,7 +67,7 @@ fn on_explosion(
     };
 
     for entity in intersections.iter() {
-        if let Some(mut e) = commands.get_entity(*entity) {
+        if let Ok(mut e) = commands.get_entity(*entity) {
             e.trigger(Hit {
                 damage: explosion.damage,
             });
@@ -135,6 +135,7 @@ fn on_trigger_thrown(
                 LayerMask(state.target_layer.to_bits() | GameLayer::Level.to_bits()),
             ),
             RigidBody::Dynamic,
+            CollisionEventsEnabled,
             Mass(0.01),
             LinearVelocity(vel),
             Visibility::default(),
@@ -171,7 +172,7 @@ fn shot_collision(
             continue;
         };
 
-        commands.entity(shot_entity).despawn_recursive();
+        commands.entity(shot_entity).despawn();
 
         commands.trigger(PlaySound::ThrowHit);