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compare with actual doubles, not ints

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Monster Iestyn 2018-12-14 17:14:03 +00:00
parent 2ca1cd415e
commit b3eba87d71
1 changed files with 2 additions and 2 deletions
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4
src/hardware/hw_bsp.c
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@ -193,14 +193,14 @@ static polyvertex_t *fracdivline(fdivline_t *bsp, polyvertex_t *v1,
v2dy = bsp->dy; v2dy = bsp->dy;
den = v2dy*v1dx - v2dx*v1dy; den = v2dy*v1dx - v2dx*v1dy;
if (den == 0) if (den == 0.0)
return NULL; // parallel return NULL; // parallel
// first check the frac along the polygon segment, // first check the frac along the polygon segment,
// (do not accept hit with the extensions) // (do not accept hit with the extensions)
num = (v2x - v1x)*v2dy + (v1y - v2y)*v2dx; num = (v2x - v1x)*v2dy + (v1y - v2y)*v2dx;
frac = num / den; frac = num / den;
if (frac < 0 || frac > 1) if (frac < 0.0 || frac > 1.0)
return NULL; return NULL;
// now get the frac along the BSP line // now get the frac along the BSP line