actions reactored. multi-tick action support

webclient/src/utils/runtime/object.ts

@@ -29,11 +29,11 @@ export function populateRuntimeObject(object: ObjectInstance, world: World): Run
             boundingBox: computeBoundingBox(objectType),
             updatedAt: 0,
         },
-        pendingActions: {},
+        rb: () => null,
     };
 }
 
 export function depopulateRuntimeObject(object: RuntimeObjectInstance, _world: World): ObjectInstance {
-    const { cache: _cache, ...result } = object;
+    const { cache: _cache, rb: _rb, ...result } = object;
     return result;
 }