add 2 zombie scene

Project/Assets/ML-Agents/Examples/Hallway/Scripts/HallwayAgent.cs

         m_AgentRb = GetComponent<Rigidbody>();
         m_GroundRenderer = ground.GetComponent<Renderer>();
         m_GroundMaterial = m_GroundRenderer.material;
-        m_statsRecorder = Academy.Instance.StatsRecorder;
+        // m_statsRecorder = Academy.Instance.StatsRecorder;
     }
 
     public override void CollectObservations(VectorSensor sensor)
             {
                 SetReward(1f);
                 StartCoroutine(GoalScoredSwapGroundMaterial(m_HallwaySettings.goalScoredMaterial, 0.5f));
-                m_statsRecorder.Add("Goal/Correct", 1, StatAggregationMethod.Sum);
+                // m_statsRecorder.Add("Goal/Correct", 1, StatAggregationMethod.Sum);
-                m_statsRecorder.Add("Goal/Wrong", 1, StatAggregationMethod.Sum);
+                // m_statsRecorder.Add("Goal/Wrong", 1, StatAggregationMethod.Sum);
             }
             EndEpisode();
         }
             symbolXGoal.transform.position = new Vector3(7f, 0.5f, 22.29f) + area.transform.position;
             symbolOGoal.transform.position = new Vector3(-7f, 0.5f, 22.29f) + area.transform.position;
         }
-        m_statsRecorder.Add("Goal/Correct", 0, StatAggregationMethod.Sum);
-        m_statsRecorder.Add("Goal/Wrong", 0, StatAggregationMethod.Sum);
+        // m_statsRecorder.Add("Goal/Correct", 0, StatAggregationMethod.Sum);
+        // m_statsRecorder.Add("Goal/Wrong", 0, StatAggregationMethod.Sum);
     }
 }

Project/Assets/ML-Agents/Examples/PushBlock/Scripts/ZombiePushBlockDeathEnvController.cs

         public Quaternion StartingRot;
         [HideInInspector]
         public Rigidbody Rb;
+        [HideInInspector]
         public Collider Col;
     }
 
         public Quaternion StartingRot;
         [HideInInspector]
         public Rigidbody Rb;
+        [HideInInspector]
         public Collider Col;
     }
 
     //Kill/disable an agent
     public void KillAgent(Collision col, Transform t)
     {
-        print($"killed by {col.collider.name} by {t.name}");
+        print($"zombie {t.name} ate {col.collider.name}");
         //End Episode
         foreach (var item in AgentsList)
         {

Project/Assets/ML-Agents/Examples/PushBlock/Scenes/2ZombieVs3AgentsPushBlock.unity.meta

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