Update GetTileAt.js

Author: photonstorm

src/tilemaps/components/GetTileAt.js

@@ -17,8 +17,7 @@ var IsInLayerBounds = require('./IsInLayerBounds');
  * @param {boolean} [nonNull=false] - If true getTile won't return null for empty tiles, but a Tile object with an index of -1.
  * @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
  *
- * @return {Phaser.Tilemaps.Tile} The tile at the given coordinates or null if no tile was found or the coordinates
- * were invalid.
+ * @return {Phaser.Tilemaps.Tile} The tile at the given coordinates or null if no tile was found or the coordinates were invalid.
  */
 var GetTileAt = function (tileX, tileY, nonNull, layer)
 {
@@ -27,7 +26,8 @@ var GetTileAt = function (tileX, tileY, nonNull, layer)
     if (IsInLayerBounds(tileX, tileY, layer))
     {
         var tile = layer.data[tileY][tileX] || null;
-        if (tile === null)
+
+        if (!tile)
         {
             return null;
         }