diff --git a/scene/10-lobby.pr b/scene/10-lobby.pr
index 95311d1..d6c48c5 100644
--- a/scene/10-lobby.pr
+++ b/scene/10-lobby.pr
@@ -36,7 +36,7 @@
 
   <Exit "ball" "other">
   <sprite "ball"
-   <move <v 0.0 1.5 3.0>
+   <move <v 0.0 1.5 30.0>
     <color 0.0 1.0 0.0
      <touchable <sphere>>>>>
 
diff --git a/scene/10-other.pr b/scene/10-other.pr
index e3c30be..cbdb17e 100644
--- a/scene/10-other.pr
+++ b/scene/10-other.pr
@@ -8,5 +8,5 @@
     <floor <ground <v 300.0 300.0>>>>>
 
   <Exit "home" "lobby">
-  <sprite "home" <move <v 0.0 1.5 -5.0> <color 0.0 1.0 0.0 <touchable <sphere>>>>>
+  <sprite "home" <move <v 0.0 1.5 5.0> <color 1.0 0.0 0.0 <touchable <sphere>>>>>
 ]
diff --git a/src/index.ts b/src/index.ts
index b395708..92179da 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -24,7 +24,7 @@ import { uuid } from './uuid.js';
 
 assertion type SceneHandle(ds: Embedded<Ref>);
 
-function interpretScene(myId: string, scene: Scene, rootMesh: Mesh, sceneDs: Ref) {
+function interpretScene(myId: string, runningEngine: RunningEngine, rootMesh: Mesh, sceneDs: Ref) {
     at sceneDs {
         during Shapes.Sprite({ "name": $name: string }) => spawn named `sprite:${name}` {
             if (name === myId) {
@@ -32,15 +32,15 @@ function interpretScene(myId: string, scene: Scene, rootMesh: Mesh, sceneDs: Ref
             } else {
                 console.log('+shape', name);
                 on stop console.log('-shape', name);
-                spriteMain(name, scene, rootMesh, sceneDs);
+                spriteMain(name, runningEngine, rootMesh, sceneDs);
             }
         }
     }
 }
 
-function spriteMain(spriteName: string, scene: Scene, rootMesh: Mesh, sceneDs: Ref) {
+function spriteMain(spriteName: string, runningEngine: RunningEngine, rootMesh: Mesh, sceneDs: Ref) {
     at sceneDs {
-        let currentShape = ShapeTree.empty(spriteName, scene);
+        let currentShape = ShapeTree.empty(spriteName, runningEngine.scene);
         currentShape.node.parent = rootMesh;
         on stop currentShape.remove();
         during Shapes.Sprite({ "name": spriteName, "shape": $shape: Shapes.Shape }) => {
@@ -62,16 +62,18 @@ async function enterScene(
     console.log('enterScene', sceneDs);
 
     const rootMesh = new Mesh('--root-' + (+new Date()), runningEngine.scene);
-    interpretScene(id, runningEngine.scene, rootMesh, sceneDs);
 
     const camera = runningEngine.camera;
     camera.applyGravity = false;
     camera.position = runningEngine.options.initialPos.clone();
 
+    interpretScene(id, runningEngine, rootMesh, sceneDs);
+
     let lastTouchTime = 0;
     let lastTouchSpriteName = "";
     camera.onCollide = (other: AbstractMesh) => {
         if (other.metadata?.touchable) {
+            console.log('collision', other.name, other.metadata);
             const now = +new Date();
             const touched = other.metadata?.spriteName ?? "";
             if ((now - lastTouchTime > 500) || (lastTouchSpriteName !== touched)) {