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Work around a precision bug that would cause colinear wall vectors to only be "almost" colinear, causing the cross product to be wrongly validated and resulting in bogus normal vectors for some surfaces.

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git-svn-id: https://svn.eduke32.com/eduke32@1234 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2009-03-08 21:07:40 +00:00
parent ad1091b2df
commit 7d7a705af9
1 changed files with 1 additions and 1 deletions
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2
polymer/eduke32/build/src/polymer.c
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@ -2152,7 +2152,7 @@ static void polymer_buffertoplane(GLfloat* buffer, GLushort* indices, in
vec1[0] = plane[0] * plane[0] + plane[1] * plane[1] + plane[2] * plane[2];
i+= 3;
}
while ((i < indicecount) && (vec1[0] == 0));
while ((i < indicecount) && (vec1[0] < 5000)); // hack to work around a precision issue with slopes
vec1[0] = sqrt(vec1[0]);
plane[0] /= vec1[0];