{"schemaVersion":1,"record":{"key":"mechanic/vehicles-racing--t141","type":"mechanic","id":"vehicles-racing--t141","lang":"en","title":"Rally, off-road driving and traction","summary":"Changing grip connects line choices to surface conditions and the next section rather than one constant cornering speed.","updatedAt":"2026-10-22","status":"active","url":"https://gamemechanics.pro/en/knowledge/mechanic/vehicles-racing--t141/","jsonUrl":"https://gamemechanics.pro/api/v1/knowledge/en/mechanic/vehicles-racing--t141.json","markdownUrl":"https://gamemechanics.pro/content/knowledge/en/mechanic/vehicles-racing--t141.md","aliases":[],"tags":["Vehicles, racing and machinery","Mechanics and variants"],"sourceIds":["source-8cc54cd9f9a5c8e8","source-a62ae5b62aeabe68","source-ef1ef78bbc9628b1"],"sources":[{"id":"source-8cc54cd9f9a5c8e8","title":"Godot: Physics introduction","url":"https://docs.godotengine.org/en/stable/tutorials/physics/physics_introduction.html","verifiedAt":null},{"id":"source-a62ae5b62aeabe68","title":"OpenTTD: About","url":"https://www.openttd.org/about","verifiedAt":null},{"id":"source-ef1ef78bbc9628b1","title":"DiRT Rally 2.0","url":"https://store.steampowered.com/app/690790/","verifiedAt":null}],"sections":[{"id":"principle","title":"How it works","body":"Changing grip connects line choices to surface conditions and the next section rather than one constant cornering speed."},{"id":"variants","title":"Variants","body":"### Mechanic variants\n\n<a id=\"t141-variants\"></a>\n\n- Gravel increases braking uncertainty. <a id=\"t141-v1\"></a>\n- Ruts guide wheels and restrict line changes. <a id=\"t141-v2\"></a>\n- Reconnaissance describes a hidden turn. <a id=\"t141-v3\"></a>\n- Water changes the usable safe pace. <a id=\"t141-v4\"></a>"},{"id":"example","title":"Design example","body":"A driver slows before a crest because notes warn of a gravel turn immediately beyond it.\n\nPrototype check: Test surface appearance against actual grip and cue timing before blind sections."},{"id":"context","title":"Context and limits","body":"Vehicle mechanics connect controls, momentum, routes and machine condition; the chosen simplifications should stay consistent. Each overview separates player actions, state changes and alternative rules. Examples are hypothetical design scenarios, not claims about a named game. A prototype check states an observable question for the next iteration. Existing detailed references remain separately linked from the direction map."}],"relations":[{"type":"uses","direction":"outgoing","label":"Sources in the selection","key":"resource/godot-physics","title":"Godot: physics introduction","url":"https://gamemechanics.pro/en/resources/#resource-godot-physics","jsonUrl":"https://gamemechanics.pro/api/v1/knowledge/en/resource/godot-physics.json","markdownUrl":"https://gamemechanics.pro/content/knowledge/en/resource/godot-physics.md"}],"placements":[{"catalogId":"vehicles-racing","id":"t141","title":"Vehicles, racing and machinery","url":"https://gamemechanics.pro/en/mechanics/vehicles-racing/#t141","categoryIds":["mechanics"]}],"supersededBy":[],"attributes":{"preview":{"updatedAt":"2026-10-22","title":"Rally, off-road driving and traction","description":"Changing grip connects line choices to surface conditions and the next section rather than one constant cornering speed.","image":{"src":"images/mechanics/general-dirt-rally2-04.webp","width":1440,"height":810,"game":"DiRT Rally 2.0","sourceUrl":"https://store.steampowered.com/app/690790/","originalUrl":"https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/690790/79f9c7c9de5b133359a1056717832dd6d2b40bad/ss_79f9c7c9de5b133359a1056717832dd6d2b40bad.1920x1080.jpg?t=1789553676","credit":"Codemasters / Codemasters / Electronic Arts","rights":"Game imagery © its respective rights holders. Publisher-distributed screenshot from Steam; all rights reserved. Excluded from MIT and CC BY 4.0.","caption":"A rally car crosses a snow-covered section","alt":"A rally car crosses a snow-covered section","markers":[{"x":47,"y":63,"label":"Tires interact with the snowy surface"}]},"tips":["Signal surface changes in advance and keep grip behavior consistent."],"examples":[{"title":"DiRT Rally 2.0","url":"https://store.steampowered.com/app/690790/"}]}},"endsAt":null,"provenance":"Original bilingual editorial overviews authored for gamemechanics.pro on 2026-10-20 and reviewed on 2026-10-21. Scenarios are hypothetical design examples; prototype checks describe work to perform, not completed playtests. Primary sources support the stated techniques and implementation context, not every proposed variant.","license":"CC-BY-4.0","codeLicense":"MIT","attribution":"gamemechanics.pro contributors","catalogKey":"catalog/vehicles-racing"}}