跟随导出效果

src/editor/exportTimeline.ts

@@ -0,0 +1,15 @@
+interface ExportTimelineStore {
+  systems: Array<{ frames?: unknown[] }>
+  timeline: { playing: boolean; frame: number; recorded: boolean }
+  recalcTotalFrames(): unknown
+}
+
+/** Resume before yielding so the paused fallback bake cannot bypass emitter following. */
+export function prepareTimelineForExport(store: ExportTimelineStore) {
+  store.timeline.playing = false
+  store.timeline.frame = 0
+  store.timeline.recorded = false
+  for (const system of store.systems) system.frames = undefined
+  store.recalcTotalFrames()
+  store.timeline.playing = true
+}

src/views/particle-panel/useParticleExport.ts

@@ -25,6 +25,7 @@ import {
   type SpineConnectorHealth,
 } from '../../export/spineConnectorClient'
 import { automaticLoopTransitionFrames } from '../../core/loopSegmentTiming'
+import { prepareTimelineForExport } from '../../editor/exportTimeline'
 
 
 export function useParticleExport(store: ReturnType<typeof useParticleStore>) {
@@ -110,13 +111,8 @@ function nextPaint() {
 }
 
 async function prepareExportFrames(onProgress?: (progress: number) => void) {
-  store.timeline.playing = false
-  store.timeline.frame = 0
-  store.timeline.recorded = false
-  for (const system of store.systems) system.frames = undefined
-  store.recalcTotalFrames()
+  prepareTimelineForExport(store)
   await nextPaint()
-  store.timeline.playing = true
   const expectedMs = store.timeline.totalFrames / Math.max(1, store.timeline.fps) * 1000
   const deadline = performance.now() + Math.max(8000, expectedMs * 2.5 + 3000)
   while (!store.timeline.recorded) {