Function SquareDistToSector

source/core/gamefuncs.cpp:171–194

//==========================================================================

double SquareDistToSector(double px, double py, const sectortype* sect, DVector2* point)
{
	if (inside(px, py, sect))
	{
		if (point)
			*point = { px, py };
		return 0;
	}

	double bestdist = DBL_MAX;
	DVector2 bestpt = { px, py };
	for (auto& wal : sect->walls)
	{
		DVector2 pt;
		auto dist = SquareDistToWall(px, py, &wal, &pt);
		if (dist < bestdist)
		{
			bestdist = dist;
			bestpt = pt;
		}
	}
	if (point) *point = bestpt;
	return bestdist;
}

//==========================================================================
//