{"params":{"colorway":{"type":"choice","default":"royal-blue","label":"Colorway","describe":"Curated paint scheme. royal-blue = royal blue lower body, roof shoulders and hoods with a cream window band, cream pinstripe and a pale ribbed roof deck (the reference); signal-red = bright red where the blue is, the same cream and black ironwork; green-cream = kit green with cream; maroon-cream = maroon with cream; sage-cream = a paler sage-olive with an ivory band. The skirt, underframe, buffers, glazing and lamp lenses stay the same. When not set, the scheme follows the livery knob; individual colour knobs paint over either.","affects":"colors","options":["royal-blue","signal-red","green-cream","maroon-cream","sage-cream"]},"livery":{"type":"choice","default":"royal-blue","label":"Livery","describe":"Which railway livery the railbus wears, the same names as the rest of the kit's rolling stock: royal-blue (the reference), signal-red, green or maroon, each with a cream window band and pinstripe. Set on its own it picks the matching colorway (royal-blue, signal-red, green-cream or maroon-cream); an explicit colorway wins over it, colour knobs over both.","affects":"colors","options":["green","maroon","signal-red","royal-blue"]},"body":{"type":"color","default":"#385d7c","label":"Body paint","describe":"Albedo of the livery colour: the lower body sides and cab fronts below the window band, the lower halves of the door panels, the roof shoulders and both long roof hoods with their front bands. Wear dulls it.","affects":"colors"},"band":{"type":"color","default":"#d6c396","label":"Cream band","describe":"Albedo of the cream: the window band from the waist to the roof on both sides and round both cab fronts (with its V under the windscreens), the upper halves of the door panels, the pinstripe moulding low on the body and the small nameplate. Wear fades it, never the nameplate.","affects":"colors"},"roof":{"type":"color","default":"#dfddd8","label":"Roof deck","describe":"Albedo of the pale ribbed roof deck between the two hoods, its ribs and its two round vents. Wear greys it and soots its middle.","affects":"colors"},"frames":{"type":"color","default":"#3f4140","label":"Window rubbers","describe":"Albedo of the dark rubber surrounds: the bevelled reveal round every window, door pane and windscreen, the toplight bars, the slots between the door panels, the louvre grille's back and, with doors open, the vestibule floor.","affects":"colors"},"glass":{"type":"color","default":"#563e26","label":"Saloon glass","describe":"Albedo by day of the saloon glazing, a dark smoked brown: the seven saloon windows a side, the cab side windows, the door and fixed-panel panes and the partition pane. It lights warm amber at night; wear never touches it.","affects":"colors"},"screen":{"type":"color","default":"#715f50","label":"Windscreens","describe":"Albedo of the four windscreen panes at each cab front (two centre panes and the corner panes on the corner facets). The driving cabs stay dark at night, so these never glow.","affects":"colors"},"chassis":{"type":"color","default":"#2d2925","label":"Skirt and underframe","describe":"Albedo of the black: the valance skirt round the bottom of the body, the underframe, engine block, fuel tank, silencer drum, axleboxes and leaf springs, the buffers (housings and rounded heads), the draw gear and hook, the hoses, the lamp bezels and, with doors open, the driver's desk. Wear dusts it brown and rusts the running gear; buffer heads and hook never change.","affects":"colors"},"steel":{"type":"color","default":"#968d84","label":"Steel","describe":"Albedo of the grey metal: the wheel tyres, the step kick plates under the doors, the door handles, the roof horn stubs, the silencer drum's end plates, the fuel tank straps and, with doors open, the step treads.","affects":"colors"},"lampFront":{"type":"color","default":"#f2f2ec","label":"Front lamps","describe":"Albedo by day of the three headlamp lenses on the +Z cab (two low, one on the roof hood); they burn warm amber at night.","affects":"colors"},"lampRear":{"type":"color","default":"#774034","label":"Rear lamps","describe":"Albedo by day of the three lamp lenses on the -Z cab, dark red glass; they burn a dim red-amber at night as the tail end, a separate zone so either end can lead.","affects":"colors"},"doors":{"type":"choice","default":"shut","label":"Doors","describe":"The two-leaf passenger doors behind each cab, each beside a fixed panel. shut = every leaf closed, set 2 cm into the side with a tall narrow pane each and dark slots between the panels (the reference). right = the doors on the +X side (the side the store camera sees) at both ends folded inward 90 degrees, opening real doorways over a recessed step into each end vestibule: a dark floor, lining, ceiling, a partition with a pane toward the saloon, the driver's desk under the windscreens and the glazing seen from inside. both = the doors on both sides open, so you can see straight through the vestibules. The leaves stay inside the body and the loading gauge.","affects":"geometry","options":["shut","right","both"]},"length":{"type":"range","default":12,"label":"Length","describe":"Length over buffers in metres: 10.5 a short railbus, 12 the reference, 14 a long one. Rebuilt, never stretched: the saloon windows are re-laid at about a 1.03 m pitch (6 windows a side at 10.5 m, 7 at 12 m, 9 at 14 m; each 0.87-0.95 m wide between 0.08 m piers) and the roof deck lengthens between the hoods; the cab ends, hoods, doors and cab windows keep their size and their place measured from each end, the axles stay 3.17 m in from each buffer face (wheelbase 4.2-7.7 m) and the underfloor gear stays in the middle (shortened only on the shortest bodies). Buffer faces are always at +/- half this length, so the railbus couples to any kit vehicle.","affects":"geometry","min":10.5,"max":14,"step":0.5},"wear":{"type":"range","default":0.3,"label":"Wear","describe":"0 freshly painted and new, 1 old and weathered: faded paint, dirt, rust and small chips; the object itself never changes.","affects":"geometry","min":0,"max":1,"step":0.1}},"presets":{"royal-blue":{"body":"#385d7c","band":"#d6c396","roof":"#dfddd8","frames":"#3f4140","glass":"#563e26","screen":"#715f50","chassis":"#2d2925","steel":"#968d84","lampFront":"#f2f2ec","lampRear":"#774034"},"signal-red":{"body":"#9c4639","band":"#d6c396","roof":"#dfddd8","frames":"#3f4140","glass":"#563e26","screen":"#715f50","chassis":"#2d2925","steel":"#968d84","lampFront":"#f2f2ec","lampRear":"#774034"},"green-cream":{"body":"#728738","band":"#d6c396","roof":"#dfddd8","frames":"#3f4140","glass":"#563e26","screen":"#715f50","chassis":"#2d2925","steel":"#968d84","lampFront":"#f2f2ec","lampRear":"#774034"},"maroon-cream":{"body":"#642d26","band":"#d6c396","roof":"#dfddd8","frames":"#3f4140","glass":"#563e26","screen":"#715f50","chassis":"#2d2925","steel":"#968d84","lampFront":"#f2f2ec","lampRear":"#774034"},"sage-cream":{"body":"#928d46","band":"#ede9e0","roof":"#dfddd8","frames":"#3f4140","glass":"#563e26","screen":"#715f50","chassis":"#2d2925","steel":"#968d84","lampFront":"#f2f2ec","lampRear":"#774034"}},"night":{"glass":{"color":"#e3c096","intensity":0.8,"describe":"the saloon lit warm amber from inside: every saloon window, the cab side windows and the door and fixed-panel panes","albedo":"#563e26","findable":true},"lampFront":{"color":"#ebd5b4","intensity":1,"describe":"the three headlamps on the +Z cab (two low, one on the roof hood), warm amber","albedo":"#f2f2ec","findable":true},"lampRear":{"color":"#d78068","intensity":0.6,"describe":"the three lamps on the -Z cab, burning dim red-amber as the tail end while +Z leads","albedo":"#774034","findable":true}},"decals":[{"name":"side-right","size":[0.7,0.18],"at":[1.3719999999999999,1.52,0],"normal":[1,0,0],"up":[0,1,0],"describe":"the small recessed cream nameplate low in the middle of the body side, below the window band: a company name, a crest or the unit number","albedo":"#d6c396","mode":"plate","relief_mm":0,"verified":true},{"name":"side-left","size":[0.7,0.18],"at":[-1.3719999999999999,1.52,0],"normal":[-1,0,0],"up":[0,1,0],"describe":"the small recessed cream nameplate low in the middle of the body side, below the window band: a company name, a crest or the unit number","albedo":"#d6c396","mode":"plate","relief_mm":0,"verified":true}],"materials":{"body":{"kind":"paint","finish":"gloss"},"band":{"kind":"paint","finish":"gloss"},"roof":{"kind":"paint","finish":"matte"},"frames":{"kind":"rubber","finish":"black"},"glass":{"kind":"glass","finish":"clear"},"screen":{"kind":"glass","finish":"clear"},"chassis":{"kind":"metal","finish":"cast"},"steel":{"kind":"metal","finish":"satin"},"lampFront":{"kind":"glass","finish":"frosted"},"lampRear":{"kind":"glass","finish":"frosted"}},"rev":1792565854,"materials_note":"what each colour zone is made of: `kind` and `finish` name a procedural PBR material in https://polyfork.dev/materials.mjs (dressByAlbedo finds a zone by its albedo in COLOR_0). A zone not listed has not been classified.","night_note":"match `albedo` in COLOR_0 exactly, make those vertices emissive at `color` and `intensity`, and drop your scene lights. findable false means that colour is no longer in this asset's geometry: skip the zone rather than guessing.","decals_note":"flat areas on the surface where you can print your own logo, sign or number. `at` is the centre in model space, `normal` points out of the surface, `size` is [width, height] in metres. Bake art with https://polyfork.dev/cdn/sdf.mjs and place it with https://polyfork.dev/cdn/decal.mjs, or use `at`/`normal`/`size` directly in any engine. `albedo` is the colour it prints on. mode `plate` means the face is flat and a quad is enough; `projected` means it is curved (`relief_mm` deep) and the mark has to be projected onto the geometry. Measured on the DEFAULT build: a geometry knob can move the surface a few centimetres; decal.mjs follows it, anywhere else re-measure or keep the defaults.","preview_v":1792567772,"mod_v":1792565854}