From 4838262bd363d18156424676929ba621d9e8d801 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@walter-laptop.(none)>
Date: Mon, 06 Jul 2009 22:14:47 +0000
Subject: adding positioning tiles

---
(limited to 'talogo.py')

diff --git a/talogo.py b/talogo.py
index 94dced9..3b606e6 100644
--- a/talogo.py
+++ b/talogo.py
@@ -424,6 +424,10 @@ def lcNew(tw):
     defprim(lc,'myfunc', 2, lambda lc,f,x: callmyfunc(lc, f, x))
     defprim(lc,'hres', 0, lambda lc: lc.tw.turtle.width) # canvas width
     defprim(lc,'vres', 0, lambda lc: lc.tw.turtle.height) # canvas height
+    defprim(lc,'leftpos', 0, lambda lc: -(lc.tw.turtle.width/2)) 
+    defprim(lc,'toppos', 0, lambda lc: lc.tw.turtle.height/2)
+    defprim(lc,'rightpos', 0, lambda lc: lc.tw.turtle.width/2) 
+    defprim(lc,'bottompos', 0, lambda lc: -(lc.tw.turtle.height/2))
 
     # turtle primitives
     defprim(lc,'clean', 0, lambda lc: clear(lc))
--
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