Brian Fertig 4973b22f7c Add level editor and retune physics/camera for bouncier, floatier driving ... - New browser level editor (editor.html + src/editor/): assemble levels from snap-together section generators (flat/inclines/hills/ditch/jump) with a live canvas preview, metadata form, and export to ready-to-drop levelNN.js source; example export registered as level04.js. - Add parallax background sprites (bg_far/mid/near). - Bus retune: softer, bouncier suspension (stiffness 0.45->0.35, damping 0.08->0.035, travel 12->30, restitution 0.3->0.45) with wheel rest point raised 22->34 for a bouncier stance; drive force cut ~60% (0.011->0.0045) for a much longer runway and lower top speed. - Gravity 1 -> 0.675 for ~1.5x hang time off jumps; constraintIterations 2 -> 10 so the soft wishbone springs converge within one step. - Bus: clamp each wheel to the underside of its wishbone anchor line on every matter afterupdate, fixing wheels punching through to the mirrored solution and sticking high on the chassis after hard impacts; add no-op destroy() for the world listener. - CameraRig: speed-driven horizontal lookahead (bus framed ~10% from the left edge at rest, out to 1/3 of the screen at speed) via followOffset; PlayScene scales the g-force grace period to 5.5s for the new gravity and calls the new update()/destroy() hooks. - Extend level01's terrain runway by 30x.		2026-08-19 20:07:24 -06:00
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backgrounds	Add level editor and retune physics/camera for bouncier, floatier driving	2026-08-19 20:07:24 -06:00
sprites	Initial Commit	2026-08-18 20:23:33 -06:00