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- fixed slope calculation error.

This commit is contained in:
Christoph Oelckers 2016-07-17 23:13:10 +02:00
parent 8369833dc5
commit d4352dd1a7
1 changed files with 1 additions and 1 deletions
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2
src/r_plane.cpp
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@ -1677,7 +1677,7 @@ void R_DrawTiltedPlane (visplane_t *pl, double _xscale, double _yscale, fixed_t
// the textures a constant size across the surface's plane instead.
cosine = cos(planeang), sine = sin(planeang);
m[1] = pl->height.ZatPoint(ViewPos.X + yscale * sine, ViewPos.Y + yscale * cosine) - zeroheight;
n[1] = pl->height.ZatPoint(ViewPos.X - xscale * cosine, ViewPos.Y + xscale * sine) - zeroheight;
n[1] = -(pl->height.ZatPoint(ViewPos.X - xscale * cosine, ViewPos.Y + xscale * sine) - zeroheight);
plane_su = p ^ m;
plane_sv = p ^ n;