add CamPlayer, make player optional with in_sim attribute in CamPlayer

Closes #21 (closed)

Assets/AddOns/RosSharp/Scripts/RosBridgeClient/RosCommuncation/Float64Publisher.cs

@@ -17,7 +17,7 @@ using UnityEngine;
 
 namespace RosSharp.RosBridgeClient
 {
-    public class Float64Publisher : Publisher<Messages.Standard.Float64>
+    public class Float64Publisher : Publisher<Messages.Standard.Float64>, Publisher
     {
         public float PublishedFloat;
 
@@ -31,7 +31,7 @@ namespace RosSharp.RosBridgeClient
 
         private void FixedUpdate()
         {
-            UpdateMessage();
+            // UpdateMessage();
         }
 
         private void InitializeMessage()
@@ -39,7 +39,7 @@ namespace RosSharp.RosBridgeClient
             message = new Messages.Standard.Float64();
             message.data = 0.0f;
         }
-        private void UpdateMessage()
+        public void UpdateMessage()
         {
             message.data = PublishedFloat;
             Publish(message);