reduce restart time

Project/Assets/ML-Agents/Examples/FPS_Game/Prefabs/FPSAgent.prefab

   AllowKeyboardInput: 0
   shootKey: 106
   autoShootEnabled: 0
-  shootingRate: 0.02
+  shootingRate: 0
   coolDownWait: 0
   projectilePrefab: {fileID: 3911029810215854908, guid: 01e75f85d5a3c451b9a5bed7070be0a0,
     type: 3}
   AllowKeyboardInput: 0
   shootKey: 106
   autoShootEnabled: 0
-  shootingRate: 0.02
+  shootingRate: 0
   coolDownWait: 0
   projectilePrefab: {fileID: 3911029810215854908, guid: 01e75f85d5a3c451b9a5bed7070be0a0,
     type: 3}

Project/Assets/ML-Agents/Examples/FPS_Game/Scenes/FPS_Game.unity

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   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 134432279}
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: -13.48854, y: 1, z: -20.442457}
-  m_Father: {fileID: 1132733227}
-  m_RootOrder: 0
+  m_Father: {fileID: 0}
+  m_RootOrder: 11
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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   serializedVersion: 4
   OutputAudioMixerGroup: {fileID: 0}
   m_audioClip: {fileID: 8300000, guid: 32d90d29710e442e197cb2238790c963, type: 3}
-  m_PlayOnAwake: 1
+  m_PlayOnAwake: 0
   m_Volume: 0.75
   m_Pitch: 1
   Loop: 1
   - {fileID: 1236036023}
   - {fileID: 253704780}
   m_Father: {fileID: 0}
-  m_RootOrder: 17
+  m_RootOrder: 18
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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 GameObject:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
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+  m_RootOrder: 20
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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   m_Children:
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+  m_RootOrder: 19
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 GameObject:
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
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+  m_RootOrder: 13
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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   - {fileID: 965336649}
   m_Father: {fileID: 0}
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+  m_RootOrder: 15
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   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
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   m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children:
-  - {fileID: 134432280}
+  m_Children: []
-  m_RootOrder: 11
+  m_RootOrder: 12
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &1137767715
 GameObject:
   m_Children:
   - {fileID: 1695256207}
   m_Father: {fileID: 0}
-  m_RootOrder: 13
+  m_RootOrder: 14
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
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 GameObject:
   - {fileID: 2372382112527972584}
   - {fileID: 320583314}
   m_Father: {fileID: 0}
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+  m_RootOrder: 17
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 --- !u!1 &1672274306
 GameObject:
   m_Children:
   - {fileID: 1627753779}
   m_Father: {fileID: 0}
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+  m_RootOrder: 16
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &2144694764
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   m_Modification:
     m_TransformParent: {fileID: 4595975476135097}
     m_Modifications:
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-      value: -5
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-      value: 0
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-      propertyPath: shootingRate
-      value: 0
-      objectReference: {fileID: 0}
     - target: {fileID: 4453630946124038627, guid: a0e7db83e097b4a3e96a89b390d1ebed,
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       propertyPath: m_ActionEvents.Array.data[7].m_PersistentCalls.m_Calls.Array.data[0].m_Target

Project/Assets/ML-Agents/Examples/FPS_Game/Scripts/AgentHealth.cs

         //        }
         WaitForFixedUpdate wait = new WaitForFixedUpdate();
         float timer = 0;
-        while (timer < 3)
+        while (timer < 1)
         {
             timer += Time.fixedDeltaTime;
             yield return wait;

Project/Assets/ML-Agents/Examples/FPS_Game/Scripts/PlayBackgroundAudio.cs

     private AudioSource m_AudioSource;
     void Awake()
     {
-        DontDestroyOnLoad(gameObject);
+        //        DontDestroyOnLoad(gameObject);
 
         if (m_AudioSource == null)
         {
         //        if (BackgroundSong)
         //        {
         //            m_AudioSource.clip = BackgroundSong;
-        m_AudioSource.Play();
+        if (!m_AudioSource.isPlaying)
+        {
+            m_AudioSource.Play();
+        }
         //        }
     }