allowing by default rotation when friction is enabled

python/scontact.py

@@ -92,7 +92,7 @@ class ParticleProblem :
         buf = (size*c_int).from_address(ptr)
         return np.ctypeslib.as_array(buf)
 
-    def __init__(self, dim, friction_enabled=False, rotation_enabled=False) :
+    def __init__(self, dim, friction_enabled=False, rotation_enabled=True) :
         """Builds the particles contanier structure.
 
         Keyword arguments:
@@ -104,7 +104,7 @@ class ParticleProblem :
         """
         self._dim = dim
         self._friction_enabled = friction_enabled
-        self._rotation_enabled = rotation_enabled
+        self._rotation_enabled = False if not friction_enabled else rotation_enabled
         if dim == 2 :
             if friction_enabled:
               self._lib = lib2f if rotation_enabled else lib2fwr