Log warning if vibrate is not supported

Author: JohannesDeml

Assets/Plugins/WebGL/WebTools/WebToolPlugins.jslib

@@ -172,10 +172,18 @@ var WebGlPlugins =
     },
 
     _Vibrate: function(durationInMs) {
+        if (!navigator.vibrate) {
+            console.warn("Vibration API is not supported in this browser.");
+            return;
+        }
         navigator.vibrate(durationInMs);
     },
 
     _VibratePattern: function(durationsInMs, length) {
+        if (!navigator.vibrate) {
+            console.warn("Vibration API is not supported in this browser.");
+            return;
+        }
         var pattern = [];
         for (var i = 0; i < length; i++) {
             pattern.push(HEAP32[(durationsInMs >> 2) + i]);