delayed instance creation

src/game-lib-d3-raycast-vehicle.js

@@ -66,16 +66,19 @@ GameLib.D3.RaycastVehicle.prototype.constructor = GameLib.D3.RaycastVehicle;
  */
 GameLib.D3.RaycastVehicle.prototype.createInstance = function() {
 
-    var instance = new CANNON.RaycastVehicle({
-        chassisBody: this.chassis.instance
-    });
+    /**
+     * At this point - even though this component exists - the chassis could maybe not been have assigned, failed to
+     * register as a dependency, and therefore is not present at the time of createInstance() - we will need to call
+     * delayedInstance somehow...
+     * @type {GameLib.D3.RaycastVehicle|GameLib.D3.API.RaycastVehicle|*}
+     */
+    var instance = false;
 
-    //TODO: maybe move this into linking system - ALSO - store a reference to the wheel somehow to update the wheel instance?
-    this.wheels.map(
-        function(wheel){
-            instance.addWheel(wheel.instance);
-        }
-    );
+    if (this.chassis && this.chassis.instance) {
+        var instance = new CANNON.RaycastVehicle({
+            chassisBody: this.chassis.instance
+        });
+    }
 
     return instance;
 };