Fixed all the // without a space after it

unity-environment/Assets/ML-Agents/Examples/3DBall/Scripts/Ball3DDecision.cs

         if (gameObject.GetComponent<Brain>().brainParameters.vectorActionSpaceType == StateType.continuous)
         {
             List<float> act = new List<float>();
-            //state[5] is the velocity of the ball in the x orientation. We use this number to control the Platform's z axis rotation speed, 
-            //so that the Platform is tilted in the x orientation correspondingly. 
+            // state[5] is the velocity of the ball in the x orientation. We use this number to control the Platform's z axis rotation speed, 
+            // so that the Platform is tilted in the x orientation correspondingly. 
-            //state[7] is the velocity of the ball in the z orientation. We use this number to control the Platform's x axis rotation speed,  
-            //so that the Platform is tilted in the z orientation correspondingly. 
+            // state[7] is the velocity of the ball in the z orientation. We use this number to control the Platform's x axis rotation speed,  
+            // so that the Platform is tilted in the z orientation correspondingly. 
-        //If the vector action space type is discrete, then we don't do anything. 	
+        //If the vector action space type is discrete, then we don't do anything.     
         else
         {
             return new float[1]{ 1f };

unity-environment/Assets/ML-Agents/Examples/Hallway/Scripts/HallwayAgent.cs

-//Put this script on your blue cube.
+// Put this script on your blue cube.
 
 using System.Collections;
 using System.Collections.Generic;
 {
-    public GameObject ground; //ground game object. we will use the area bounds to spawn the blocks
+    public GameObject ground; // ground game object. we will use the area bounds to spawn the blocks
-    public GameObject orangeBlock; //the orange block we are going to be pushing
+    public GameObject orangeBlock; // the orange block we are going to be pushing
-    Rigidbody shortBlockRB;  //cached on initialization
-    Rigidbody agentRB;  //cached on initialization
-    Material groundMaterial; //cached on Awake()
+    Rigidbody shortBlockRB;  // cached on initialization
+    Rigidbody agentRB;  // cached on initialization
+    Material groundMaterial; // cached on Awake()
     Renderer groundRenderer;
     HallwayAcademy academy;
 
     {
         base.InitializeAgent();
         academy = FindObjectOfType<HallwayAcademy>();
-        brain = FindObjectOfType<Brain>(); //only one brain in the scene so this should find our brain. BRAAAINS.
+        brain = FindObjectOfType<Brain>(); // only one brain in the scene so this should find our brain. BRAAAINS.
-        agentRB = GetComponent<Rigidbody>(); //cache the agent rigidbody
-        groundRenderer = ground.GetComponent<Renderer>(); //get the ground renderer so we can change the material when a goal is scored
-        groundMaterial = groundRenderer.material; //starting material
+        agentRB = GetComponent<Rigidbody>(); // cache the agent rigidbody
+        groundRenderer = ground.GetComponent<Renderer>(); // get the ground renderer so we can change the material when a goal is scored
+        groundMaterial = groundRenderer.material; // starting material
 
     }
 
         RayPerception(rayDistance, rayAngles, detectableObjects, 0f);
     }
 
-    //swap ground material, wait time seconds, then swap back to the regular ground material.
+    // swap ground material, wait time seconds, then swap back to the regular ground material.
-        yield return new WaitForSeconds(time); //wait for 2 sec
+        yield return new WaitForSeconds(time); // wait for 2 sec
         groundRenderer.material = groundMaterial;
     }
 
         Vector3 dirToGo = Vector3.zero;
         Vector3 rotateDir = Vector3.zero;
 
-        //If we're using Continuous control you will need to change the Action
+        // If we're using Continuous control you will need to change the Action
         if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
         {
             dirToGo = transform.forward * Mathf.Clamp(act[0], -1f, 1f);
             }
         }
         transform.Rotate(rotateDir, Time.deltaTime * 100f);
-        agentRB.AddForce(dirToGo * academy.agentRunSpeed, ForceMode.VelocityChange); //GO
+        agentRB.AddForce(dirToGo * academy.agentRunSpeed, ForceMode.VelocityChange); // GO
     }
 
     public override void AgentAction(float[] act)
-        MoveAgent(act); //perform agent actions
+        MoveAgent(act); // perform agent actions
-        if (!Physics.Raycast(agentRB.position, Vector3.down, 20)) //if the agent has gone over the edge, we done.
+        if (!Physics.Raycast(agentRB.position, Vector3.down, 20)) // if the agent has gone over the edge, we done.
-            fail = true; //fell off bro
+            fail = true; // fell off bro
-            Done(); //if we mark an agent as done it will be reset automatically. AgentReset() will be called.
+            Done(); // if we mark an agent as done it will be reset automatically. AgentReset() will be called.
-            StartCoroutine(GoalScoredSwapGroundMaterial(academy.failMaterial, .5f)); //swap ground material to indicate fail
+            StartCoroutine(GoalScoredSwapGroundMaterial(academy.failMaterial, .5f)); // swap ground material to indicate fail
         }
     }
 
-        if (col.gameObject.CompareTag("goal")) //touched goal
+        if (col.gameObject.CompareTag("goal")) // touched goal
-                AddReward(1f); //you get 5 points
-                StartCoroutine(GoalScoredSwapGroundMaterial(academy.goalScoredMaterial, 2)); //swap ground material for a bit to indicate we scored.
+                AddReward(1f); // you get 5 points
+                StartCoroutine(GoalScoredSwapGroundMaterial(academy.goalScoredMaterial, 2)); // swap ground material for a bit to indicate we scored.
-                AddReward(-0.1f); //you lose a point
-                StartCoroutine(GoalScoredSwapGroundMaterial(academy.failMaterial, .5f)); //swap ground material to indicate fail
+                AddReward(-0.1f); // you lose a point
+                StartCoroutine(GoalScoredSwapGroundMaterial(academy.failMaterial, .5f)); // swap ground material to indicate fail
-            Done(); //if we mark an agent as done it will be reset automatically. AgentReset() will be called.
+            Done(); // if we mark an agent as done it will be reset automatically. AgentReset() will be called.
-    //In the editor, if "Reset On Done" is checked then AgentReset() will be called automatically anytime we mark done = true in an agent script.
+    // In the editor, if "Reset On Done" is checked then AgentReset() will be called automatically anytime we mark done = true in an agent script.
     public override void AgentReset()
     {
         selection = Random.Range(0, 2);