From 46dbce888e7c3eff8969f1ddbe22e144410b67f4 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Sun, 07 Jul 2019 10:20:06 -0400
Subject: [PATCH] Put back serial IDs for cone and torus.

---
 cSpring.java |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/cSpring.java b/cSpring.java
index 9dd6edc..b5d339c 100644
--- a/cSpring.java
+++ b/cSpring.java
@@ -1724,7 +1724,7 @@
             
     //        Phys.matrix.Transform(normal);
             
-            if (position instanceof Vertex)
+            if (position instanceof Vertex && ((Vertex)position).norm != null)
                 ((Vertex)position).norm.set(normal.x,normal.y,normal.z);
         }
 

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