合并馆内模型初始化视角调整

src/components/map/ThreeMap.vue

@@ -134,11 +134,29 @@ const SGS_VISUAL_RENDER_CONFIG = {
 } as const
 
 const OVERVIEW_INITIAL_CAMERA_PARAMS = {
-  position: new THREE.Vector3(496.3356, 708.6058, 137.501),
+  position: new THREE.Vector3(305.4812, 441.3596, 205.0497),
   target: new THREE.Vector3(-4.1432, -31.3659, 3.3982),
   zoom: 1
 } as const
 
+const getIndoorInitialCameraDirection = () => (
+  OVERVIEW_INITIAL_CAMERA_PARAMS.position
+    .clone()
+    .sub(OVERVIEW_INITIAL_CAMERA_PARAMS.target)
+    .normalize()
+)
+
+const INDOOR_INITIAL_MODEL_PARAMS = {
+  position: new THREE.Vector3(0, 0, 0),
+  rotation: new THREE.Euler(
+    THREE.MathUtils.degToRad(0),
+    THREE.MathUtils.degToRad(0),
+    THREE.MathUtils.degToRad(0),
+    'XYZ'
+  ),
+  scale: new THREE.Vector3(1, 1, 1)
+} as const
+
 const MODEL_ADJUST_IDLE_REPORT_DELAY_MS = 800
 
 const degToRad = (degrees: number) => THREE.MathUtils.degToRad(degrees)
@@ -3430,7 +3448,7 @@ const fitCameraToObject = (object: THREE.Object3D, preset: CameraPreset = 'obliq
     ? new THREE.Vector3(0.02, 1, 0.02)
     : activeView.value === 'overview'
       ? new THREE.Vector3(0.76, 0.48, 1)
-      : new THREE.Vector3(0.85, 0.62, 1)
+      : getIndoorInitialCameraDirection()
   const overviewFitOptions: CameraFitOptions = activeView.value === 'overview'
     ? {
       distanceFactor: 0.9,
@@ -3448,6 +3466,13 @@ const fitCameraToObject = (object: THREE.Object3D, preset: CameraPreset = 'obliq
   setCameraView(center, maxDim, direction, overviewFitOptions)
 }
 
+const applyIndoorInitialModelTransform = (model: THREE.Object3D) => {
+  model.position.copy(INDOOR_INITIAL_MODEL_PARAMS.position)
+  model.rotation.copy(INDOOR_INITIAL_MODEL_PARAMS.rotation)
+  model.scale.copy(INDOOR_INITIAL_MODEL_PARAMS.scale)
+  model.updateMatrixWorld(true)
+}
+
 const applyOverviewInitialCamera = () => {
   if (!camera || !controls) return
 
@@ -3576,7 +3601,9 @@ const loadOverview = async () => {
     if (!targetScene) throw createStaleModelLoadError()
 
     activeModel = cachedOverviewModel
+    activeModel.name = 'GuideOverviewModel'
     activeModel.visible = true
+    applyIndoorInitialModelTransform(activeModel)
     applyModelVisibilityForView(activeModel, 'overview')
     cacheAutoSwitchOverviewMaxDim(activeModel)
     targetScene.add(activeModel)
@@ -3606,6 +3633,7 @@ const loadOverview = async () => {
   activeModel = gltf.scene
   activeModel.name = 'GuideOverviewModel'
   prepareModel(activeModel)
+  applyIndoorInitialModelTransform(activeModel)
   applyModelVisibilityForView(activeModel, 'overview')
   cacheAutoSwitchOverviewMaxDim(activeModel)
   cachedOverviewModel = activeModel
@@ -3644,6 +3672,7 @@ const prepareFloorScene = async (
     model.name = `GuideFloorModel_${requestedFloorId}`
     model.userData.floorId = requestedFloorId
     model.visible = true
+    applyIndoorInitialModelTransform(model)
     applyModelVisibilityForView(model, 'floor', requestedFloorId)
   } else {
     if (!options.suppressProgress) {
@@ -3668,6 +3697,7 @@ const prepareFloorScene = async (
     model.name = `GuideFloorModel_${requestedFloorId}`
     model.userData.floorId = requestedFloorId
     prepareModel(model)
+    applyIndoorInitialModelTransform(model)
     applyModelVisibilityForView(model, 'floor', requestedFloorId)
     cacheAsSharedModel = Boolean(floor.sharedModelAsset)