From 4d052ba8646d5109c23bd25f23c4c2b20b100df1 Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Tue, 28 Jan 2025 10:33:08 +1100
Subject: [PATCH] Fix bug where decorator had errors if the 3D location was
 outside the 2D window.

Checking for none for `location_3d_to_region_2d` should always be done.
---
 src/bonsai/bonsai/bim/module/model/decorator.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/bonsai/bonsai/bim/module/model/decorator.py b/src/bonsai/bonsai/bim/module/model/decorator.py
index aa9f6349b6..d4311be29a 100644
--- a/src/bonsai/bonsai/bim/module/model/decorator.py
+++ b/src/bonsai/bonsai/bim/module/model/decorator.py
@@ -576,6 +576,8 @@ class PolylineDecorator:
             pass
 
         coords = view3d_utils.location_3d_to_region_2d(region, rv3d, mouse_point)
+        if not coords:
+            return
         padding = 8
         verts = []
         edges = []