In working on preparing a Python 2.2 version for VPython on Linux, David
Andersen found and fixed a significant bug: the mouse object (as in
scene.mouse) was not initialized properly. We believe that this explains a
low-frequency bug on Windows, where you found yourself in spin mode even
though the mouse buttons were up. (The problem wasn't low-frequency on
Linux; scene.mouse was initially wrong on every run.)
New version for Windows. If you have already installed the Python 2.2
version of VPython on Windows, all you need to install is the new DLL.
Bruce Sherwood
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