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Code Issues 157 Wiki Activity

merge feat/rail-crossings: the split rail code, mitred wide crossings, guard rail treads, check rail spacers and frogs for every rail profile, with the geometric switch blades moved into RailCrossings, their shape in track_rails::switch_blade and the lowering of the head in loft_span

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maj00r
2026-10-15 17:49:10 +02:00
parent 970c6b52c5 3307cb94e8
commit 513daa52cc
17 changed files with 3609 additions and 2785 deletions
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26
world/TrackRails.h
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@@ -10,26 +10,12 @@ http://mozilla.org/MPL/2.0/.
#pragma once
#include "world/Track.h"
#include "world/GaugeLine.h"
namespace track_rails {
double constexpr flangeway { 0.045 };
double constexpr blend { 0.015 };
double constexpr tread_fade { 0.02 };
double constexpr wheel_width { 0.14 };
double constexpr back_to_back { 1.36 };
double constexpr rolled_band { wheel_width - ( 1.435 - back_to_back ) / 2.0 };
double constexpr nose_tip { 0.012 };
double constexpr middle_angle { 0.35 };
double constexpr wide_angle { 0.785 };
double constexpr blade_throw { 0.160 };
double constexpr blade_clearance { 0.058 };
double constexpr blade_point { 0.003 };
double constexpr blade_gap { 0.0005 };
double constexpr blade_lowered { 0.050 };
double constexpr blade_spacing { 0.5 };
void forget();
rail_size measure_rail( gfx::vertex_array const &Profile );
// how far a wing rail reaches past the crossing point of the rails
double wing_reach( double const Slope );
double check_length( double const Slope );
@@ -47,6 +33,14 @@ gfx::userdata_array worn_userdata( std::size_t const Count );
// the ends of rails left open: at track ends with nothing joined, blade tips, the gap of a frog
void cut_faces( gfx::vertex_array const &Strip, std::size_t const Ring, bool const Start, bool const End, gfx::geometrybank_handle const &Bank, TTrack::geometryhandle_sequence &Geometry );
TSegment const &path_segment( TTrack const &Track, int const Path );
int path_count( TTrack const &Track );
TTrack *path_neighbour( TTrack const &Track, int const Path, int const End );
double knuckle_bend( double const Into );
bool replaced_check( std::vector<check_rail> const &Checks, double const Wingend, double const Direction, double &Far );
bool replaced_by_wing( check_rail const &Check, knots::line const &Wingends );
gauge_line const &rail_line( TTrack const &Track, int const Path, int const Side, bool const Blades );
check_rail_set const &rail_checks( TTrack &Track );
glm::dvec3 rail_point( TTrack const &Track, int const Path, int const Side, double const Distance, double const Lateral );
void rail_offset( TTrack const &Track, int const Path, int const Side, glm::dvec3 const &Point, double &Distance, double &Lateral );