From 8d3285f733461515e43f33abd3ef0b2d44893c4f Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Thu, 18 May 2017 11:11:50 -0700
Subject: [PATCH] verify _rig is valid in Model::deleteGeometry()

---
 libraries/render-utils/src/Model.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libraries/render-utils/src/Model.cpp b/libraries/render-utils/src/Model.cpp
index e09afa3f31..8b26db4a0a 100644
--- a/libraries/render-utils/src/Model.cpp
+++ b/libraries/render-utils/src/Model.cpp
@@ -1153,7 +1153,9 @@ void Model::deleteGeometry() {
     _deleteGeometryCounter++;
     _blendedVertexBuffers.clear();
     _meshStates.clear();
-    _rig->destroyAnimGraph();
+    if (_rig) {
+        _rig->destroyAnimGraph();
+    }
     _blendedBlendshapeCoefficients.clear();
     _renderGeometry.reset();
     _collisionGeometry.reset();