From 1d4614cf6f7eec7349523c0a4dd170d8c4b176ba Mon Sep 17 00:00:00 2001
From: Nikolay Safin <safin@charge.auto>
Date: Tue, 22 Aug 2017 11:50:47 +0300
Subject: [PATCH] GLTFLoader: check if material.extra is defined before assign
 it

---
 examples/js/loaders/GLTFLoader.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/js/loaders/GLTFLoader.js b/examples/js/loaders/GLTFLoader.js
index 18b0e4fa0d..9727a2b6d5 100644
--- a/examples/js/loaders/GLTFLoader.js
+++ b/examples/js/loaders/GLTFLoader.js
@@ -1669,7 +1669,7 @@ THREE.GLTFLoader = ( function () {
 				// https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#materialnormaltexture
 				_material.normalScale.x = -1;
 
-				_material.userData = material.extras;
+				if ( material.extras ) _material.userData = material.extras;
 
 				return _material;
 
-- 
GitLab