From b5e3e3a9f3c0b753737e92bf6c5c2cf54e32fd9b Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@sugarlabs.org>
Date: Wed, 26 Jun 2013 08:34:22 +0000
Subject: make private variables _private

---
(limited to 'TurtleArt/tawindow.py')

diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index 2a1117b..0569bd0 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -2434,8 +2434,6 @@ before making changes to your Turtle Blocks program'))
     def _turtle_pressed(self, x, y):
         pos = self.selected_turtle.get_xy()
         tpos = self.turtles.turtle_to_screen_coordinates(pos)
-        w = self.selected_turtle.half_width
-        h = self.selected_turtle.half_height
         dx = x - tpos[0]
         dy = y - tpos[1]
         if not hasattr(self.lc, 'value_blocks'):
@@ -2443,7 +2441,7 @@ before making changes to your Turtle Blocks program'))
         self.lc.update_values = True
         # Compare distance squared of drag position to sprite radius.
         # If x, y is near the edge, rotate.
-        if (dx * dx) + (dy * dy) > ((w * w) + (h * h)) / 6:
+        if (dx * dx) + (dy * dy) > self.selected_turtle.get_drag_radius():
             self.drag_turtle = (
                 'turn',
                 self.selected_turtle.get_heading() - atan2(dy, dx) / DEGTOR,
--
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