Fix passing read only vertex color buffer when loading GLTF

This would fail down the line when vertex colors are converted to RGBA which attempts to modify the buffer contents directly
bhacha · May 30, 2024 · 55b86ba · 55b86ba
1 parent 7853a5e
commit 55b86ba
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/trimesh/exchange/gltf.py b/trimesh/exchange/gltf.py
@@ -1560,11 +1560,11 @@ def _read_buffers(
                             if len(colors) == len(kwargs["vertices"]):
                                 if visuals is None:
                                     # just pass to mesh as vertex color
-                                    kwargs["vertex_colors"] = colors
+                                    kwargs["vertex_colors"] = colors.copy()
                                 else:
                                     # we ALSO have texture so save as vertex
                                     # attribute
-                                    visuals.vertex_attributes["color"] = colors
+                                    visuals.vertex_attributes["color"] = colors.copy()
                         except BaseException:
                             # survive failed colors
                             log.debug("failed to load colors", exc_info=True)