pytorch version

baselines/baselines_common/vec_env/__init__.py

@@ -0,0 +1,19 @@
+class VecEnv(object):
+    """
+    Vectorized environment base class
+    """
+    def step(self, vac):
+        """
+        Apply sequence of actions to sequence of environments
+        actions -> (observations, rewards, news)
+
+        where 'news' is a boolean vector indicating whether each element is new.
+        """
+        raise NotImplementedError
+    def reset(self):
+        """
+        Reset all environments
+        """
+        raise NotImplementedError
+    def close(self):
+        pass