add warning and place the relevent var on top

(posted from gitea)

bunny_shifter.py

@@ -1,5 +1,13 @@
-WRITE_LUA = True
+# WARNING: running this file will directly modify .lua and .b3d files
+# without creating backups. Running it again will _accumulate_ shift
+# in b3d files (if there's any change in lua part).
 
+# where the origin should be put between top and bottom of the box
+RATIO = 2/3
+
+
+
+WRITE_LUA = True
 
 import os.path
 import re
@@ -12,7 +20,7 @@ def fix_box_coords(p1, p2):
     p1 = copy.copy(p1)
     p2 = copy.copy(p2)
     height = p2[1] - p1[1]
-    ratio = 2/3
+    ratio = RATIO
     #shift = p1 - ()
     shift = -height * ratio - p1[1]
     shift = round_to_base(shift, prec=2, base=0.05)