[scene] Reduced stiffness of rest-shape-springs-ff in haptics examples with liver

Author: th-skam

scenes/InsertionHaptics_Liver.py

@@ -170,7 +170,7 @@ def createScene(root):
     volume.addObject("MeshMatrixMass", name="Mass",totalMass=g_gelTotalMass)
 
     volume.addObject("BoxROI",name="BoxROI",box=g_gelFixedBoxROI)
-    volume.addObject("RestShapeSpringsForceField", stiffness=1e6,points="@BoxROI.indices"  )
+    volume.addObject("RestShapeSpringsForceField", stiffness=1e3, angularStiffness=1e3, points="@BoxROI.indices"  )
 
     volume.addObject("LinearSolverConstraintCorrection", printLog=False, linearSolver="@LinearSolver")