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- use dot product for getslopeval as well

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This commit is contained in:
Christoph Oelckers 2022-10-04 18:49:42 +02:00
parent 02f1f79333
commit f1baf5c69c
1 changed files with 1 additions and 2 deletions
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3
source/core/gamefuncs.cpp
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@ -170,8 +170,7 @@ void getcorrectzsofslope(int sectnum, int dax, int day, double* ceilz, double* f
int getslopeval(sectortype* sect, const DVector3& pos, double basez)
{
auto wal = sect->firstWall();
auto delta = wal->delta();
double i = (pos.Y - wal->pos.Y) * delta.X - (pos.X - wal->pos.X) * delta.Y;
double i = (pos.XY() - wal->pos).dot(wal->delta().Rotated90CCW());
return i == 0? 0 : SLOPEVAL_FACTOR * (pos.Z - basez) * wal->Length() / i;
}