Fix bug in color generator

lib/rooms/ImageViewerRoom.js

@@ -50,7 +50,7 @@ class ImageViewerRoom extends colyseus.Room {
     if (message.type === "gaze") {
       if (client.color === undefined) {
         client.color = Colors.createRandomColor();
-        Logger.log(`Assign clien color: ${client.color}`, "ImageViewer Room");
+        Logger.log(`Assign client color: ${client.color}`, "ImageViewer Room");
       }
       message.data.color = client.color;
       let point = GazePoint.fromClientData(message.data);

lib/utils/Colors.js

@@ -7,8 +7,11 @@ function createRandomColorChannel() {
 }
 
 function componentToHex(c) {
-  var hex = c.toString(16);
-  return hex.length == 1 ? "0" + hex : hex;
+  var hex = Number(c).toString(16);
+  if (hex.length < 2) {
+    hex = "0" + hex;
+  }
+  return hex;
 }
 
 function rgbToHex(r, g, b) {
@@ -21,7 +24,7 @@ class Colors {
     let r = createRandomColorChannel(),
       g = createRandomColorChannel(),
       b = createRandomColorChannel();
-    return rgbToHex(r,g,b);
+    return rgbToHex(r, g, b);
   }
 
 }