corrected centring

sdf_export.py

@@ -12,10 +12,12 @@ def mesh_to_sdf_glsl(path, resolution=32):
     print(f"  Bounds: {mesh.bounds}")
     print(f"  Extents: {mesh.extents}")
 
-    # Center the mesh
-    mesh.vertices -= mesh.centroid
+    # Center the mesh properly in all dimensions
+    bounds = mesh.bounds
+    center = (bounds[0] + bounds[1]) / 2.0
+    mesh.vertices -= center
     print(f"\nAfter centering:")
-    print(f"  Centroid: {mesh.centroid}")
+    print(f"  Center: {center}")
     print(f"  Bounds: {mesh.bounds}")
     print(f"  Extents: {mesh.extents}")