# HG changeset patch
# User Thibaut Girka <thib@sitedethib.com>
# Date 1312284088 -7200
# Node ID f3ff9619247671e1e581bb25246838b96d69f9ed
# Parent  02a5f5314a19ea4904f8c554a2288de42d39b98e
Fix z-sorting issues

diff --git a/stageviewer.py b/stageviewer.py
--- a/stageviewer.py
+++ b/stageviewer.py
@@ -176,6 +176,10 @@ def main(path, stage_num):
                                 face_uvs))
         objects_instances_faces.append(obj_instance)
 
+    def keyfunc(obj):
+        return min(z for face in obj for x, y, z in face[0])
+    objects_instances_faces.sort(key=keyfunc, reverse=True)
+
     vertices, uvs = objects_faces_to_vertices_uvs(objects_instances_faces)
     nb_vertices = len(vertices)
     vertices_format = 'f' * (3 * nb_vertices)