Set Applicatoin.targetFrameRate to TARGET_FRAME_RATE const

Author: DuFF14

OSVR-Unity/Assets/OSVRUnity/src/DisplayController.cs

@@ -37,6 +37,7 @@ public class DisplayController : MonoBehaviour
         {
 
             public const uint NUM_VIEWERS = 1;
+            private const int TARGET_FRAME_RATE = 60; //@todo get from OSVR
 
             private ClientKit _clientKit;
             private OSVR.ClientKit.DisplayConfig _displayConfig;
@@ -97,8 +98,10 @@ void SetupApplicationSettings()
                 //VR should never timeout the screen:
                 Screen.sleepTimeout = SleepTimeout.NeverSleep;
 
-                //60 FPS whenever possible:
-                Application.targetFrameRate = 60;
+                //Set the framerate
+                //@todo get this value from OSVR, not a const value
+                //Performance note: Developers should try setting Time.fixedTimestep to 1/Application.targetFrameRate
+                Application.targetFrameRate = TARGET_FRAME_RATE;
             }
 
             void SetupDisplay()