update

asset3d_gen/data/backproject_v2.py

@@ -270,9 +270,9 @@ class TextureBacker:
         scale: float = None,
         center: np.ndarray = None,
     ) -> tuple[np.ndarray, np.ndarray, np.ndarray]:
-        vertices = mesh.vertices
-        faces = mesh.faces
-        uv_map = mesh.visual.uv
+        vertices = mesh.vertices.copy()
+        faces = mesh.faces.copy()
+        uv_map = mesh.visual.uv.copy()
         uv_map[:, 1] = 1.0 - uv_map[:, 1]
 
         if scale is not None:
@@ -436,7 +436,7 @@ class TextureBacker:
         view_normals = self.compute_enhanced_viewnormal(
             self.renderer.mv_mtx, vertices, faces
         )
-        
+
         textures, weighted_cos_maps = [], []
         for color, mask, dep, normal, uv, weight in zip(
             colors,