finish rendering if at minimum (#91)

* updated three.js version. only send camera information when it moves

* changing code back to updating camera constantly because packets seem to be lost

* interrupting function during rendering

* small linting fixes

* added logic for interrupting rendering + separted out visualizer logic from trainer

* finish rendering if at minimum

Co-authored-by: Ethan Weber <eweb0124@gmail.com>

pyrad/viewer/backend/vis_utils.py

@@ -92,7 +92,7 @@ class VisualizerState:
 
     def _check_interrupt(self, frame, event, arg):
         if event == "line":
-            if self.check_interrupt_vis:
+            if self.check_interrupt_vis and self.res_upscale_factor > 1:
                 raise CameraChangeException
         return self._check_interrupt