I need some help getting started

I just got into visual programming so bare with me here but i just installed python3d and went to the asteroids directory and typed in ppython Tut-Asteroids.py
this is the message i get:
Traceback (most recent call last):
File “Tut-Asteroids.py”, line 13, in
import direct.directbase.DirectStart
File “dstroot/pythoncode/Developer/Panda3D/lib/direct/directbase/DirectStart.py”, line 3, in
File “dstroot/pythoncode/Developer/Panda3D/lib/direct/showbase/ShowBase.py”, line 10, in
File “/Developer/Panda3D/lib/pandac/PandaModules.py”, line 8, in
from libpandaModules import *
File “/Developer/Panda3D/lib/pandac/libpandaModules.py”, line 2, in
Dtool_PreloadDLL(“libpanda”)
File “/Developer/Panda3D/lib/pandac/extension_native_helpers.py”, line 79, in Dtool_PreloadDLL
imp.load_dynamic(module, pathname)
ImportError: dlopen(/Developer/Panda3D/lib/libpanda.dylib, 2): Library not loaded: @executable_path/…/Frameworks/Cg.framework/Cg
Referenced from: /Developer/Panda3D/lib/libpanda.dylib
Reason: image not found

btw i have a mac

Try installing the Cg Toolkit from nVidia.

David

ok that works thanks for the help