From 0fe654daa94760c54867daf494201b1b02676cef Mon Sep 17 00:00:00 2001
From: WestLangley <WestLangley@users.noreply.github.com>
Date: Wed, 31 Jan 2018 14:39:36 -0500
Subject: [PATCH] Honor groups in toNonIndexed()

---
 src/core/BufferGeometry.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/core/BufferGeometry.js b/src/core/BufferGeometry.js
index c18bdb089ce63d..c6763df5754e6f 100644
--- a/src/core/BufferGeometry.js
+++ b/src/core/BufferGeometry.js
@@ -895,6 +895,15 @@ BufferGeometry.prototype = Object.assign( Object.create( EventDispatcher.prototy
 
 		}
 
+		var groups = this.groups;
+
+		for ( var i = 0, l = groups.length; i < l; i ++ ) {
+
+			var group = groups[ i ];
+			geometry2.addGroup( group.start, group.count, group.materialIndex );
+
+		}
+
 		return geometry2;
 
 	},