going to make entity spawning a little easier

src/physics/system.rs

@@ -7,7 +7,7 @@ use legion::*;
 use nalgebra::Quaternion as naQuaternion;
 use rapier3d::dynamics::{IntegrationParameters, JointSet, RigidBodySet};
 use rapier3d::geometry::{BroadPhase, ColliderSet, NarrowPhase};
-use rapier3d::pipeline::PhysicsPipeline;
+use rapier3d::pipeline::{PhysicsPipeline, ChannelEventCollector};
 
 use crate::camera::{Camera, CameraController};
 use crate::components::{Collider, LoopState, Mesh, Physics, Position};
@@ -45,8 +45,12 @@ pub fn run_physics(
         }
     }
 
+    let (contact_send, contact_recv) = crossbeam::channel::unbounded();
+    let (intersection_send, intersection_recv) = crossbeam::channel::unbounded();
+    let event_handler = ChannelEventCollector::new(intersection_send, contact_send);
+
+
     // run the physics step
-    let event_handler = ();
     physics_pipeline.step(
         &physics_state.gravity,
         &physics_state.integration_parameters,
@@ -59,6 +63,14 @@ pub fn run_physics(
         None,
         &event_handler,
     );
+
+    while let Ok(intersection_event) = intersection_recv.try_recv() {
+        println!("{:?}", intersection_event)
+    }
+
+    while let Ok(contact_event) = contact_recv.try_recv() {
+        println!("{:?}", contact_event)
+    }
 }