On Tue, 07 Dec 2010 00:53:27 -0800 John Nagle <na...@animats.com> wrote:
> On 12/5/2010 2:49 PM, Martin Manns wrote: > Probably because you seem to be trying to compute the intersection > point for coincident lines, which is not well-defined. I found the problem: pygame returns one pixel more for the right border than wx. > Incidentally, a dictionary lookup in Python is far more expensive > than computing trig functions. If you need to speed this up > for large numbers of rectangles, there are algorithms that are > several orders of magnitude faster. Realistically, though, > this is the kind of problem that runs slow in CPython. This was taken from the vizier code. I fixed it. > This is why you don't write your own collision library. > (I once did, for 3D, but that was in 1996, when it was > cutting-edge technology.) Is there a pure Python collision library other than vizier? Martin -- http://mail.python.org/mailman/listinfo/python-list
