From 39ba82f25d1532526fbf5f1be2faa4f327d3a51e Mon Sep 17 00:00:00 2001
From: Jacques Lucke <jacques@blender.org>
Date: Mon, 10 Jan 2022 17:25:31 +0100
Subject: Fix T94111: nurb normal calculation does not work

The normals were computed with an uninitialized tilt.
---
 source/blender/nodes/geometry/nodes/node_geo_input_normal.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc b/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc
index 86c2b0e4543..db5f30fb6c9 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_input_normal.cc
@@ -167,6 +167,7 @@ static void calculate_nurbs_normals(const NURBSpline &spline, MutableSpan<float3
   PolySpline poly_spline;
   poly_spline.resize(spline.size());
   poly_spline.positions().copy_from(spline.positions());
+  poly_spline.tilts().copy_from(spline.tilts());
   normals.copy_from(poly_spline.evaluated_normals());
 }
 
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