finish events

src/lib/Physics.js

@@ -1,16 +1,7 @@
 import * as RAPIER from '@dimforge/rapier3d'
-
-// export type PhysicsObject = {
-//   mesh: THREE.Mesh
-//   collider: Rapier.Collider
-//   rigidBody: Rapier.RigidBody
-//   fn?: Function
-//   autoAnimate: boolean
-// }
-
 class Physics{
-    constructor(){
-
+    constructor(engine){
+        this.engine = engine
     }
         
     init = async ()=>{
@@ -25,6 +16,7 @@ class Physics{
         world.createCollider(colliderDesc, body.handle);
         this.world = world;
         this.physicsObjects = [];
+        this.eventQueue = new RAPIER.EventQueue(true);
         return this;
     }
 
@@ -34,6 +26,7 @@ class Physics{
 
         // * Responsible for collision response
         const rigidBody = this.world.createRigidBody(rigidBodyDesc)
+        rigidBody.userData = colliderSettings.userData || {};
 
         let colliderDesc
 
@@ -73,6 +66,12 @@ class Physics{
             console.error('Collider Mesh Error: convex mesh creation failed.')
         }
 
+        if (colliderSettings.isSensor){
+            colliderDesc.setSensor(true);
+            colliderDesc.setActiveEvents(RAPIER.ActiveEvents.COLLISION_EVENTS);
+            colliderDesc.setActiveCollisionTypes(RAPIER.ActiveCollisionTypes.KINEMATIC_FIXED);
+        }
+
         // * Responsible for collision detection
         const collider = this.world.createCollider(colliderDesc, rigidBody)
 
@@ -84,7 +83,7 @@ class Physics{
     }
 
     step(){
-        this.world.step()
+        this.world.step(this.eventQueue)
 
         for (let po of this.physicsObjects) {
             const autoAnimate = po.autoAnimate
@@ -99,6 +98,14 @@ class Physics{
             const fn = po.fn
             fn && fn()
         }
+
+        this.eventQueue.drainCollisionEvents((handle1, handle2, started) => {
+            /* Handle the collision event. */
+            //console.log(this.world.getCollider(handle2), handle1, started)
+            this.engine.dispatchEvent({
+                type: 'collision', handle1, handle2, started 
+            })
+        });
     }
 }