Dehydrate canvas before loading model

Author: rodriguez-facundo

webapp/redux/middleware/middleware.js

@@ -154,6 +154,16 @@ const createSimulateBackendCall = async (cmd, payload, consoleMessage, spinnerTy
     throw new Error(responsePayload.errorMessage);
   } else {
     GEPPETTO.trigger(GEPPETTO.Events.Show_spinner, GEPPETTO.Resources.PARSING_MODEL);
+    
+    dehydrateCanvas()
+    if ('CanvasContainer' in window) {
+      CanvasContainer.engine.reset()
+      Object.values(CanvasContainer.engine.meshes).forEach(mesh => {
+        CanvasContainer.engine.removeObject(mesh)
+      })
+    }
+
+    
     GEPPETTO.Manager.loadModel(response);
     GEPPETTO.CommandController.log('Instantiation / Simulation completed.');
 
@@ -178,3 +188,13 @@ const pythonCall = async ({ cmd, args }) => {
   } 
   return response;
 }
+
+
+const dehydrateCanvas = () => {
+  if ('CanvasContainer' in window) {
+    CanvasContainer.engine.reset()
+    Object.values(CanvasContainer.engine.meshes).forEach(mesh => {
+      CanvasContainer.engine.removeObject(mesh)
+    })
+  }
+}