修改：优化手机上效果图点云显示

src/views/douyin/components/ImagePointCloud.vue

@@ -64,8 +64,8 @@ let renderer: any = null
 let sm: any = null
 let raf = 0
 let lastTs = 0
-let cssW = 320
-let cssH = 320
+let cssW = 340
+let cssH = 340
 let logoFromCache = false
 let resultKey = ''
 
@@ -186,12 +186,23 @@ function preloadResult(url: string) {
   if (!url || !renderer || !sm) return
   resultKey = url
   sm.setResultPreloadStatus('loading')
+  // 效果图保留完整画面做点云（去背景会在手机上采空，表现为「没有效果图点云」）
   renderer.textures
-    .load(url, { removeBackground: true })
+    .load(url, { removeBackground: false })
     .then((entry: any) => {
       if (destroyed || !sm) return
+      if (!entry || !entry.pointCloudBuffer) {
+        console.error('[ImagePointCloud] result cloud buffer missing')
+        sm.setResultPreloadStatus('error')
+        return
+      }
       renderer.setResultTexture(entry)
       sm.setResultPreloadStatus('ready')
+      // 若状态机已进入 RESULT_*（异步晚到），立刻切到效果图点云
+      const phase = String(sm.getPhase?.() || '')
+      if (phase.startsWith('RESULT')) {
+        renderer.transitionToCloud(entry)
+      }
     })
     .catch((err: any) => {
       console.error('[ImagePointCloud] result preload fail', err)
@@ -310,11 +321,15 @@ function init() {
       }
     },
     onSwitchToResult: () => {
-      const entry = renderer.textures.get(resultKey || props.resultUrl)
+      const key = resultKey || props.resultUrl
+      const entry = key ? renderer.textures.get(key) : null
       if (entry && entry.pointCloudBuffer) {
         renderer.transitionToCloud(entry)
         renderer.setResultTexture(entry)
+        return
       }
+      // 缓冲晚到时由 preloadResult 成功回调补切
+      if (key) preloadResult(key)
     },
     onHandoff: () => emit('handoff'),
   })

src/views/douyin/components/image-point-cloud/state.js

@@ -124,6 +124,8 @@ function createStateMachine(hooks) {
       phase !== PHASE.RESULT_PRELOADING &&
       phase !== PHASE.SUBJECT_DETECTING &&
       phase !== PHASE.SUBJECT_OUTLINE &&
+      phase !== PHASE.SUBJECT_CLOUD_GRAY &&
+      phase !== PHASE.SUBJECT_CLOUD_COLORIZE &&
       phase !== PHASE.SUBJECT_CLOUD_COLOR &&
       phase !== PHASE.SUBJECT_POINT_CLOUD
     ) {
@@ -292,6 +294,7 @@ function createStateMachine(hooks) {
       if (!morphing) assembly = 1
       subjectProgress = 1
       outlineProgress = Math.max(0.35, 1 - Math.min(1, elapsed / 2400) * 0.55)
+      if (tryStartResultTransition()) return getUniforms()
       if (!morphing && elapsed >= TIMING.SUBJECT_GRAY_MS) {
         enter(PHASE.SUBJECT_CLOUD_COLORIZE)
       }
@@ -307,6 +310,7 @@ function createStateMachine(hooks) {
       if (!morphing) assembly = 1
       subjectProgress = 1
       outlineProgress = 0.35
+      if (tryStartResultTransition()) return getUniforms()
       if (t >= 1) {
         colorProgress = 1
         enter(PHASE.SUBJECT_CLOUD_COLOR)

src/views/douyin/components/image-point-cloud/webgl/texture-manager.js

@@ -115,7 +115,8 @@ function createTextureManager(gl, canvas, scaleCanvas, viewportW, viewportH) {
   }
 
   /**
-   * 加载图片并严格在 onload 之后再交给后续逻辑（避免 TMA 未定义行为告警）
+   * 加载图片并严格在 onload 之后再交给后续逻辑。
+   * http(s) 优先 fetch→blob，避免手机 WebView 跨域导致 getImageData 采点失败。
    */
   function loadImage(src) {
     return new Promise(function (resolve, reject) {
@@ -123,38 +124,73 @@ function createTextureManager(gl, canvas, scaleCanvas, viewportW, viewportH) {
         reject(new Error('empty src'))
         return
       }
-      let settled = false
-      const img = new Image()
-      // 跨域效果图需 CORS，否则无法 getImageData 采样
-      if (/^https?:\/\//i.test(src)) {
-        img.crossOrigin = 'anonymous'
-      }
 
-      function finishOk() {
-        if (settled) return
-        setTimeout(function () {
+      function bindImage(imgSrc, revokeUrl) {
+        let settled = false
+        const img = new Image()
+        if (/^https?:\/\//i.test(imgSrc) && imgSrc.indexOf('blob:') !== 0) {
+          img.crossOrigin = 'anonymous'
+        }
+
+        function finishOk() {
           if (settled) return
-          const w = img.width || 0
-          const h = img.height || 0
-          if (!w || !h) {
+          setTimeout(function () {
+            if (settled) return
+            const w = img.width || 0
+            const h = img.height || 0
+            if (!w || !h) {
+              settled = true
+              if (revokeUrl) {
+                try { URL.revokeObjectURL(revokeUrl) } catch (e) {}
+              }
+              reject(new Error('image empty after onload'))
+              return
+            }
             settled = true
-            reject(new Error('image empty after onload'))
-            return
-          }
+            resolve({
+              image: img,
+              path: src,
+              width: w,
+              height: h,
+              revokeUrl: revokeUrl || '',
+            })
+          }, 0)
+        }
+
+        function finishErr(err) {
+          if (settled) return
           settled = true
-          resolve({ image: img, path: src, width: w, height: h })
-        }, 0)
+          if (revokeUrl) {
+            try { URL.revokeObjectURL(revokeUrl) } catch (e) {}
+          }
+          reject(err || new Error('image load fail'))
+        }
+
+        img.onload = finishOk
+        img.onerror = finishErr
+        img.src = imgSrc
       }
 
-      function finishErr(err) {
-        if (settled) return
-        settled = true
-        reject(err || new Error('image load fail'))
+      // 远程图：先 blob 同源化，再采样（手机端效果图点云依赖此路径）
+      if (/^https?:\/\//i.test(src) && typeof fetch === 'function') {
+        fetch(src, { mode: 'cors', credentials: 'omit', cache: 'force-cache' })
+          .then(function (res) {
+            if (!res || !res.ok) throw new Error('fetch image http ' + (res && res.status))
+            return res.blob()
+          })
+          .then(function (blob) {
+            if (!blob || !blob.size) throw new Error('empty image blob')
+            const objUrl = URL.createObjectURL(blob)
+            bindImage(objUrl, objUrl)
+          })
+          .catch(function () {
+            // CORS 拉流失败时退回 <img crossOrigin>
+            bindImage(src, null)
+          })
+        return
       }
 
-      img.onload = finishOk
-      img.onerror = finishErr
-      img.src = src
+      bindImage(src, null)
     })
   }
 

src/views/douyin/generating.vue

@@ -333,10 +333,12 @@ function pollStatus() {
         imageId.value = parsed.imageId
         sessionStorage.setItem('douyin_image_id', parsed.imageId)
       }
+      // 不再 10s 强切预览：会掐掉 RESULT_CLOUD_* 效果图点云段
+      // 正常走点云状态机 handoff；仅作兜底（给足灰/彩点云播放时间）
       if (fadeTimer) clearTimeout(fadeTimer)
       fadeTimer = setTimeout(() => {
         if (!handoffDone) enterResultView()
-      }, 10000)
+      }, 60000)
       if (pollTimer) {
         clearInterval(pollTimer)
         pollTimer = null