some fixes to Gui and LoadModels

Gui.py

@@ -1,12 +1,13 @@
 #!/usr/bin/python
 from __future__ import absolute_import, division, print_function, unicode_literals
+from six import unichr
 import math, random, time, traceback, os
 import sys
 import demo
 import pi3d
 # use tab for backspace and carriage return for delete
 CHARS = {'space':' ', 'BackSpace':'\t', 'DEL':'\r', 'Return':'\n',
-         chr(263):'\t', chr(330):'\r'} 
+         unichr(263):'\t', unichr(330):'\r'}
 """for some reason these last two are the codes returned by this keyboard
 using curses on the raspberry pi (for BackSpace and DEL - you might need 
 to fine tune this look-up dictionary system

LoadModelObj.py

@@ -12,14 +12,13 @@
 #========================================
 # this is a bit of a one off because the texture has transparent parts
 # comment out and google to see why it's included here.
-from pi3d import opengles, GL_CULL_FACE
-opengles.glDisable(GL_CULL_FACE)
+pi3d.opengles.glDisable(pi3d.GL_CULL_FACE)
 #========================================
 # load bump and reflection textures
 bumptex = pi3d.Texture("textures/floor_nm.jpg")
 shinetex = pi3d.Texture("textures/stars.jpg")
 # load model_loadmodel
-mymodel = pi3d.Model(file_string='models/teapot.obj', name='teapot', z=4)
+mymodel = pi3d.Model(file_string='models/teapot.obj', name='teapot', z=4.0)
 mymodel.set_shader(shader)
 mymodel.set_normal_shine(bumptex, 16.0, shinetex, 0.5)
 # Fetch key presses

LoadModelPickle.py

@@ -20,10 +20,7 @@
 #========================================
 # this is a bit of a one off because the texture has transparent parts
 # comment out and google to see why it's included here.
-#from pi3d import opengles, GL_CULL_FACE
-#opengles.glDisable(GL_CULL_FACE)
-from pi3d import opengles, GL_ALPHA_TEST
-opengles.glDisable(GL_ALPHA_TEST)
+pi3d.opengles.glDisable(pi3d.GL_CULL_FACE)
 #========================================
 
 # load model
@@ -35,10 +32,10 @@
   print("exception was {}".format(e))
   """ could be IOError for missing file or various errors from trying to
   load a file pickled with a different version of python or pickle etc"""
-  mymodel = pi3d.Model(file_string='models/teapot.obj', name='teapot', z=4.0)
-  # load bump and reflection textures
+# load bump and reflection textures
   bumptex = pi3d.Texture("textures/floor_nm.jpg")
   shinetex = pi3d.Texture("textures/stars.jpg")
+  mymodel = pi3d.Model(file_string='models/teapot.obj', name='teapot', z=4.0)
   mymodel.set_normal_shine(bumptex, 16.0, shinetex, 0.5)
 mymodel.set_shader(shader)
 

demo.py

@@ -1,3 +1,3 @@
 import sys
-sys.path.insert(1, '/home/pi/pi3d')
+sys.path.insert(1, '/home/patrick/pi3d')