added explicit call to state.update since figure was not updating on input (#661)

Author: FrGoIs

code/beginner/tutorial6-uniforms/src/lib.rs

@@ -485,6 +485,7 @@ impl State {
             event_loop.exit();
         } else {
             self.camera_controller.handle_key(key, pressed);
+            self.update();
         }
     }