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Code Issues 155 Wiki Activity

feat(track): the texture of a shared running surface blends into the texture of the rail it lies on: 2 cm on each side of the boundary both are drawn in tinted variants of their materials that fade per vertex into the mean colour of the two treads, sampled from the texture files, so the edge of the wheels of the other track leaves a soft band instead of a line

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maj00r
2026-10-14 00:01:20 +02:00
parent 1219dde073
commit 592d1687d5
9 changed files with 168 additions and 35 deletions
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3
world/TrackRails.h
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@@ -15,6 +15,7 @@ namespace track_rails {
double constexpr flangeway { 0.045 };
double constexpr blend { 0.015 };
double constexpr tread_fade { 0.02 };
double constexpr rolled_band { 0.1 };
double constexpr nose_tip { 0.012 };
double constexpr middle_angle { 0.35 };
@@ -30,6 +31,8 @@ int blade_steps( TTrack const &Track );
double blade_length( TTrack const &Track, int const Path );
material_handle cut_material( material_handle const Material );
float tread_brightness( material_handle const Material, glm::vec2 const &Band );
glm::vec3 tread_colour( material_handle const Material, glm::vec2 const &Band );
material_handle tint_material( material_handle const Material, glm::vec3 const &Colour );
// triangles closing the first and/or the last cross-section of a lofted strip, made of pairs of points for each of Ring profile points, both sides of each
void cap_loft( gfx::vertex_array const &Strip, std::size_t const Ring, bool const Start, bool const End, gfx::vertex_array &Triangles );
gfx::userdata_array worn_userdata( std::size_t const Count );