feat: build deterministic freeway and Lumbridge EV v2

src/assets/vehicles/index.ts

@@ -1,7 +1,9 @@
 export {
   MODEL_X_METRICS,
+  LUMBRIDGE_EV_METRICS,
   advanceModelXWheels,
   buildModelX,
+  buildLumbridgeEV,
   cloneModelX,
   createModelXMaterials,
   disposeModelX,

src/assets/vehicles/modelX.ts

@@ -1,5 +1,5 @@
 /**
- * A procedural, unbadged black Model X-style electric crossover.
+ * Lumbridge EV-01: an original, unbadged procedural electric grand tourer.
  *
  * The asset is authored in metres with its origin on the road at the centre of
  * the wheelbase. It faces -Z at yaw zero, matching the rest of Tera; +X is the
@@ -8,7 +8,8 @@
  * sparse because this car is normally read from a corridor or chase camera.
  *
  * Build one rig and clone it. Clones share geometry and materials while their
- * wheel and steering joints remain independent. Dispose the original only
+ * wheel and steering joints remain independent. Legacy Model-X API names are
+ * retained as serialized/realtime compatibility contracts, not design intent.
  * after every clone has left the scene.
  */
 
@@ -26,6 +27,9 @@ export const MODEL_X_METRICS = {
   maxSteeringAngle: 0.62,
 } as const;
 
+/** Preferred product-facing name; MODEL_X_METRICS remains a compatibility alias. */
+export const LUMBRIDGE_EV_METRICS = MODEL_X_METRICS;
+
 export type ModelXDetail = "corridor" | "follow";
 
 export interface ModelXMaterials {
@@ -87,30 +91,32 @@ const UNIT_PLANE = new THREE.PlaneGeometry(1, 1);
 
 /** Default materials are intentionally untextured: no binary art and no UV dependency. */
 export function createModelXMaterials(
-  paint: THREE.ColorRepresentation = 0x050607,
+  paint: THREE.ColorRepresentation = 0x465157,
 ): ModelXMaterials {
   const body = new THREE.MeshPhysicalMaterial({
     name: "model-x.paint",
     color: paint,
     metalness: 0.72,
-    roughness: 0.22,
+    roughness: 0.26,
     clearcoat: 1,
     clearcoatRoughness: 0.12,
+    emissive: 0x11191e,
+    emissiveIntensity: 0.72,
   });
   return {
     paint: body,
     glass: new THREE.MeshPhysicalMaterial({
       name: "model-x.glass",
-      color: 0x101b22,
+      color: 0x193746,
       metalness: 0.12,
       roughness: 0.12,
       transparent: true,
-      opacity: 0.86,
+      opacity: 0.78,
       side: THREE.DoubleSide,
     }),
     trim: new THREE.MeshStandardMaterial({
       name: "model-x.trim",
-      color: 0x101214,
+      color: 0x272d31,
       metalness: 0.68,
       roughness: 0.3,
     }),
@@ -122,9 +128,11 @@ export function createModelXMaterials(
     }),
     wheel: new THREE.MeshStandardMaterial({
       name: "model-x.wheel",
-      color: 0x2d3135,
+      color: 0x515960,
       metalness: 0.88,
       roughness: 0.25,
+      emissive: 0x111519,
+      emissiveIntensity: 0.45,
     }),
     brake: new THREE.MeshStandardMaterial({
       name: "model-x.brake",
@@ -136,14 +144,14 @@ export function createModelXMaterials(
       name: "model-x.headlight",
       color: 0xd9f4ff,
       emissive: 0xb8eaff,
-      emissiveIntensity: 2.4,
+      emissiveIntensity: 3.2,
       roughness: 0.16,
     }),
     tailLight: new THREE.MeshStandardMaterial({
       name: "model-x.tail-light",
       color: 0xff2433,
       emissive: 0xd70918,
-      emissiveIntensity: 1.9,
+      emissiveIntensity: 2.8,
       roughness: 0.2,
     }),
   };
@@ -376,6 +384,44 @@ function buildBody(materials: ModelXMaterials, detail: ModelXDetail): THREE.Grou
     });
   }
 
+  // EV-01 signature: continuous light blades and satin aero rails remain
+  // readable at corridor LOD without a badge or a borrowed grille shape.
+  batch.box(materials.headlight, {
+    position: [0, 0.89, -2.43],
+    scale: [1.28, 0.035, 0.028],
+  });
+  batch.box(materials.tailLight, {
+    position: [0, 0.98, 2.39],
+    scale: [1.34, 0.032, 0.026],
+  });
+  for (const side of [-1, 1]) {
+    batch.box(materials.wheel, {
+      position: [side * 0.985, 0.47, 0.12],
+      scale: [0.025, 0.06, 3.45],
+    });
+  }
+
+  if (detail === "follow") {
+    // A small real interior reads through the panoramic glazing in chase and
+    // driver cameras. It deliberately uses the pooled trim surface.
+    batch.box(materials.trim, {
+      position: [0, 1.05, -0.58],
+      scale: [1.45, 0.12, 0.34],
+      rotation: [-0.12, 0, 0],
+    });
+    for (const side of [-1, 1]) {
+      batch.box(materials.trim, {
+        position: [side * 0.38, 1.02, 0.08],
+        scale: [0.42, 0.52, 0.46],
+        rotation: [0.12, 0, 0],
+      });
+      batch.box(materials.trim, {
+        position: [side * 0.38, 1.33, 0.17],
+        scale: [0.32, 0.28, 0.2],
+      });
+    }
+  }
+
   // Lower aero surfaces stop the black shell dissolving into the road.
   batch.box(materials.trim, {
     position: [0, 0.39, -1.92],
@@ -502,6 +548,9 @@ export function buildModelX(options: ModelXBuildOptions = {}): ModelXRig {
   root.name = "model-x";
   root.userData.kind = "vehicle";
   root.userData.vehicleModel = "model-x";
+  root.userData.design = "lumbridge-ev-01";
+  root.userData.lod = detail;
+  root.userData.unbranded = true;
   root.userData.forwardAxis = "-Z";
 
   root.add(buildBody(materials, detail));
@@ -518,6 +567,11 @@ export function buildModelX(options: ModelXBuildOptions = {}): ModelXRig {
   return { root, body: root.getObjectByName("model-x.body") as THREE.Group, wheels, ownsMaterials: !options.materials };
 }
 
+/** Preferred builder for the original Lumbridge EV visual. */
+export function buildLumbridgeEV(options: ModelXBuildOptions = {}): ModelXRig {
+  return buildModelX(options);
+}
+
 /** Clone the hierarchy while sharing all immutable geometry and material resources. */
 export function cloneModelX(source: ModelXRig): ModelXRig {
   return resolveRig(source.root.clone(true), false);