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Code Issues 157 Wiki Activity

feat(track): the foot of the ballast stays on the ground as designed

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Rails, sleepers and the top of the ballast go with the unevenness, the
slope of the ballast takes up the difference.
This commit is contained in:
maj00r
2026-10-31 18:27:19 +01:00
parent 6aed9ec5bd
commit 3dbe8a75f8
6 changed files with 31 additions and 4 deletions
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7
world/TrackUneven.h
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@@ -109,6 +109,13 @@ inline double along( double const Full, double const Atstart, double const Atend
return ends + ( Full - ends ) * std::min( smooth( Distance / fade ), smooth( ( Length - Distance ) / fade ) );
}
// how much of the displacement a point of the profile takes, by its depth under the rail top: all of it down to the foot of the rail,
// none at the foot of the ballast, which stays on the ground as designed
inline double bed_share( double const Depth, double const Rail, double const Height ) {
return Height > 0.0 ? std::clamp( 1.0 - ( Depth - Rail ) / Height, 0.0, 1.0 ) : 1.0;
}
// distance from the joint behind the point
inline double rail_phase( double const Along, double const Rail ) {