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Use floating-point math for polyobject planes as well.

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sphere 2021-06-03 16:01:09 +02:00 • committed by toaster
parent 167d30efc2
commit 6d58afe071
1 changed files with 5 additions and 3 deletions
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8
src/r_plane.c
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@ -390,9 +390,11 @@ visplane_t *R_FindPlane(fixed_t height, INT32 picnum, INT32 lightlevel,
{ {
if (polyobj->angle != 0) if (polyobj->angle != 0)
{ {
angle_t fineshift = polyobj->angle >> ANGLETOFINESHIFT; float ang = ANG2RAD(polyobj->angle);
xoff -= FixedMul(FINECOSINE(fineshift), polyobj->centerPt.x)+FixedMul(FINESINE(fineshift), polyobj->centerPt.y); float x = FixedToFloat(polyobj->centerPt.x);
yoff -= FixedMul(FINESINE(fineshift), polyobj->centerPt.x)-FixedMul(FINECOSINE(fineshift), polyobj->centerPt.y); float y = FixedToFloat(polyobj->centerPt.y);
xoff -= FloatToFixed(x * cos(ang) + y * sin(ang));
yoff -= FloatToFixed(x * sin(ang) - y * cos(ang));
} }
else else
{ {