修复触控缩放无法返回建筑外观

src/components/map/ThreeMap.vue

@@ -1638,18 +1638,22 @@ const easeInOutCubic = (t: number) => (
 )
 
 const cancelCameraTween = (options: { manual?: boolean } = {}) => {
-  if (cameraTween) {
+  const interruptedCameraTween = Boolean(cameraTween)
+  if (interruptedCameraTween) {
     cameraTween = null
   }
   if (options.manual) {
-    // 手动手势必须立即接管相机，避免已结束动画遗留的保护状态继续拦截自动切换。
+    // 手动手势必须立即接管相机，避免相机动画的保护状态继续拦截自动切换。
     isProgrammaticCameraChange = false
     clearProgrammaticCameraTimer()
-    const distance = controls?.getDistance()
-    if (typeof distance === 'number' && Number.isFinite(distance)) {
-      if (activeView.value === 'floor') {
-        // 用户中断楼层初始拟合时，使用中断后的稳定距离重新建立退出基准。
-        autoSwitchStateMachine.setFloorInitialDistance(distance)
+
+    if (interruptedCameraTween) {
+      const distance = controls?.getDistance()
+      if (typeof distance === 'number' && Number.isFinite(distance)) {
+        if (activeView.value === 'floor') {
+          // 用户中断楼层初始拟合时，使用中断后的稳定距离重新建立退出基准。
+          autoSwitchStateMachine.setFloorInitialDistance(distance)
+        }
       }
     }
   }

tests/e2e/three-map-camera-stability.spec.ts

@@ -168,11 +168,35 @@ const showOverview = async (page: Page, testInfo: TestInfo, name: string) => {
   assertStableTransition(before, after)
 }
 
-const exitOverviewWithZoomControl = async (page: Page, testInfo: TestInfo, name: string) => {
+const exitOverviewWithZoomInput = async (
+  page: Page,
+  testInfo: TestInfo,
+  name: string,
+  input: 'button' | 'wheel' | 'touch'
+) => {
   const before = await getReport(page)
   await screenshot(page, testInfo, `${name}-before`)
 
-  await page.getByText('−', { exact: true }).click()
+  if (input === 'button') {
+    await page.getByText('−', { exact: true }).click()
+  } else if (input === 'wheel') {
+    await page.locator('canvas').hover()
+    await page.mouse.wheel(0, 3000)
+  } else {
+    const canvas = page.locator('canvas')
+    const box = await canvas.boundingBox()
+    expect(box, 'the touch zoom target must be visible').not.toBeNull()
+
+    const session = await page.context().newCDPSession(page)
+    await session.send('Input.synthesizePinchGesture', {
+      x: Math.round(box!.x + box!.width / 2),
+      y: Math.round(box!.y + box!.height / 2),
+      scaleFactor: 0.5,
+      relativeSpeed: 800,
+      gestureSourceType: 'touch'
+    })
+  }
+
   await expect.poll(async () => (await getReport(page)).activeView, { timeout: 10_000 }).toBe('overview')
 
   const after = await getReport(page)
@@ -231,5 +255,13 @@ test('ordinary exterior and floor switches preserve the GLB_METER camera project
 
   await switchFloor(page, testInfo, l1, 'exterior-l1-auto-exit')
   await switchFloor(page, testInfo, l2, 'l1-l2-auto-exit')
-  await exitOverviewWithZoomControl(page, testInfo, 'l2-exterior-auto-exit')
+  await exitOverviewWithZoomInput(page, testInfo, 'l2-exterior-button-exit', 'button')
+
+  await switchFloor(page, testInfo, l1, 'exterior-l1-wheel-exit')
+  await switchFloor(page, testInfo, l2, 'l1-l2-wheel-exit')
+  await exitOverviewWithZoomInput(page, testInfo, 'l2-exterior-wheel-exit', 'wheel')
+
+  await switchFloor(page, testInfo, l1, 'exterior-l1-touch-exit')
+  await switchFloor(page, testInfo, l2, 'l1-l2-touch-exit')
+  await exitOverviewWithZoomInput(page, testInfo, 'l2-exterior-touch-exit', 'touch')
 })