feat(me): 添加无摄像头权限时的直接进入功能

- 新增直接进入按钮和倒计时提示界面
- 实现5秒后自动进入档案馆逻辑
- 添加摄像头权限状态管理和重试机制
- 支持点击按钮立即跳过摄像头授权
- 更新多语言字典中的相关提示文本
- 调整粒子爆炸效果参数提升视觉体验
- 优化手势识别逻辑仅在摄像头启用时运行
- 添加重新申请摄像头权限的交互入口

me.html

@@ -104,6 +104,15 @@
             transform: translateY(0);
         }
 
+        .direct-enter-container {
+            text-align: center;
+        }
+
+        .direct-enter-btn:hover {
+            background: var(--accent-color);
+            color: var(--loader-bg);
+        }
+
         /* === 2. 叙事文本层 (DOM覆盖) === */
         #narrative-layer {
             position: absolute;
@@ -358,6 +367,10 @@
     <div class="loader-ring"></div>
     <div class="status-text" id="loader-msg">正在唤醒灵感...</div>
     <div class="perm-hint" id="perm-guide">⚠ 请允许摄像头权限以开启手势交互</div>
+    <div class="direct-enter-container" id="direct-enter-container" style="margin-top: 20px; opacity: 0; transition: opacity 1s;">
+        <div class="direct-enter-hint" id="direct-enter-hint" style="font-size: 14px; margin-bottom: 15px;">3秒后自动进入</div>
+        <button class="direct-enter-btn" id="direct-enter-btn" style="padding: 10px 20px; background: transparent; border: 1px solid var(--accent-color); color: var(--loader-text); border-radius: 20px; cursor: pointer; font-size: 12px;">立即进入</button>
+    </div>
 </div>
 
 <!-- 2. 叙事文本层 (DOM) -->
@@ -412,12 +425,15 @@
         startScreen: document.getElementById('start-screen'),
         loaderMsg: document.getElementById('loader-msg'),
         permHint: document.getElementById('perm-guide'),
-        
+        directEnterContainer: document.getElementById('direct-enter-container'),
+        directEnterHint: document.getElementById('direct-enter-hint'),
+        directEnterBtn: document.getElementById('direct-enter-btn'),
+
         // 叙事层相关元素
         narrativeLayer: document.getElementById('narrative-layer'),
         nTitle: document.getElementById('n-title'),
         nSub: document.getElementById('n-sub'),
-        
+
         // UI层相关元素
         uiLayer: document.getElementById('ui-layer'),
         sysStatus: document.getElementById('sys-status'),
@@ -426,7 +442,7 @@
         mainHint: document.getElementById('main-hint'),
         subHint: document.getElementById('sub-hint'),
         exitBtn: document.getElementById('exit-btn'),
-        
+
         // 其他元素
         canvasContainer: document.getElementById('canvas-container'),
         inputVideo: document.getElementById('input-video')
@@ -473,6 +489,14 @@
         lang: getStoredLanguage()
     };
 
+    // 摄像头权限状态管理
+    const CAMERA_STATE = {
+        enabled: false,          // 摄像头是否已启用
+        permissionDenied: false,  // 用户是否拒绝了权限
+        autoEnterTimeout: null,   // 自动进入计时器
+        retryTimeout: null       // 重试计时器
+    };
+
     // 应用主题
     document.documentElement.setAttribute('data-theme', ENV.theme);
     safeUpdateText(DOM_CACHE.themeDisplay, `THEME: ${ENV.lang.toUpperCase() === 'en' ? ENV.theme.toUpperCase() : ENV.theme === 'day' ? '白天' : '黑夜'}`);
@@ -491,7 +515,12 @@
             hints: {
                 main: "双手合十 · 解锁档案",
                 sub: "单手·引力牵引｜双手·力场排斥",
-                unlocking: "正在识别..."
+                unlocking: "正在识别...",
+                directEnterHint: "5秒后自动进入",
+                directEnterBtn: "立即进入",
+                cameraDisabledMainHint: "点击进入档案馆",
+                cameraDisabledSubHint: "[ 再次申请摄像头权限 ]",
+                cameraRetryTimeout: "摄像头授权超时，5秒后取消"
             },
             slides: [
                 {t: "初心", s: "在这喧嚣世界中，依然相信纯粹的力量"},
@@ -509,7 +538,12 @@
             hints: {
                 main: "Click or Namaste",
                 sub: "One Hand Drag · Two Hands Repel",
-                unlocking: "Identifying..."
+                unlocking: "Identifying...",
+                directEnterHint: "Auto enter in 5 seconds",
+                directEnterBtn: "Enter Now",
+                cameraDisabledMainHint: "Click to Enter Archive",
+                cameraDisabledSubHint: "[ Request Camera Access Again ]",
+                cameraRetryTimeout: "Camera authorization timeout, canceling in 5 seconds"
             },
             slides: [
                 {t: "Honesty", s: "In a noisy world, still believe in the power of simplicity"},
@@ -524,6 +558,16 @@
 
     const CONTENT = DICTIONARY[ENV.lang];
 
+    // 设置直接进入按钮的文本
+    safeUpdateText(DOM_CACHE.directEnterBtn, CONTENT.hints.directEnterBtn);
+    safeUpdateText(DOM_CACHE.directEnterHint, CONTENT.hints.directEnterHint);
+
+    // 直接进入按钮事件处理
+    DOM_CACHE.directEnterBtn.addEventListener('click', () => {
+        clearTimeout(CAMERA_STATE.autoEnterTimeout);
+        enterWithoutCamera();
+    });
+
     // 循环播放加载文案
     let loadIdx = 0;
     const maxIdx = CONTENT.load.length - 1;
@@ -536,9 +580,19 @@
         loadIdx++;
     }, 600);
 
-    // 权限超时提示
+    // 权限超时提示和自动进入功能
     setTimeout(() => {
-        if (!APP_STATE.isLoaded) safeClass(DOM_CACHE.permHint, 'add', 'show');
+        if (!APP_STATE.isLoaded) {
+            safeClass(DOM_CACHE.permHint, 'add', 'show');
+
+            // 显示直接进入选项
+            DOM_CACHE.directEnterContainer.style.opacity = '1';
+
+            // 3秒后自动进入
+            CAMERA_STATE.autoEnterTimeout = setTimeout(() => {
+                enterWithoutCamera();
+            }, 5000);
+        }
     }, 5000);
 
     safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
@@ -808,9 +862,41 @@
      */
     let narrativeTimer = null;
 
+    // 无摄像头进入档案馆
+    function enterWithoutCamera() {
+        if (APP_STATE.mode === 'UNLOCKED') return;
+        APP_STATE.mode = 'UNLOCKED';
+        CAMERA_STATE.enabled = false;
+
+        // 隐藏加载屏幕
+        const loader = DOM_CACHE.startScreen;
+        loader.style.opacity = 0;
+        DOM_CACHE.uiLayer.style.opacity = 1;
+        setTimeout(() => loader.style.display = 'none', 1000);
+
+        // 更新UI提示
+        safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.cameraDisabledMainHint);
+        safeUpdateText(DOM_CACHE.subHint, CONTENT.hints.cameraDisabledSubHint);
+
+        // 显示退出按钮
+        safeClass(DOM_CACHE.exitBtn, 'add', 'visible');
+
+        // 粒子爆炸效果
+        explode(300);
+
+        startNarrative();
+    }
+
     window.enterArchive = function () {
         if (APP_STATE.mode === 'UNLOCKED') return;
         APP_STATE.mode = 'UNLOCKED';
+        CAMERA_STATE.enabled = true;
+
+        // 隐藏加载屏幕
+        const loader = DOM_CACHE.startScreen;
+        loader.style.opacity = 0;
+        DOM_CACHE.uiLayer.style.opacity = 1;
+        setTimeout(() => loader.style.display = 'none', 1000);
 
         // UI
         safeClass(DOM_CACHE.mainHint, 'add', 'hidden'); // 隐藏主提示 (CSS需支持或直接display)
@@ -819,7 +905,7 @@
         safeClass(DOM_CACHE.exitBtn, 'add', 'visible');
 
         // 粒子爆炸效果
-        explode(100);
+        explode(300);
 
         startNarrative();
     }
@@ -828,13 +914,23 @@
         APP_STATE.mode = 'LOCKED';
         APP_STATE.exitCooldownUntil = Date.now() + 2000;
 
-        DOM_CACHE.mainHint.style.display = 'block';
+        // 根据摄像头状态更新UI
-        DOM_CACHE.subHint.style.display = 'block';
+        if (CAMERA_STATE.enabled) {
+            DOM_CACHE.mainHint.style.display = 'block';
+            DOM_CACHE.subHint.style.display = 'block';
+            safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
+            safeUpdateText(DOM_CACHE.subHint, CONTENT.hints.sub);
+        } else {
+            DOM_CACHE.mainHint.style.display = 'block';
+            DOM_CACHE.subHint.style.display = 'block';
+            safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.cameraDisabledMainHint);
+            safeUpdateText(DOM_CACHE.subHint, CONTENT.hints.cameraDisabledSubHint);
+        }
+
         safeClass(DOM_CACHE.exitBtn, 'remove', 'visible');
         safeClass(DOM_CACHE.narrativeLayer, 'remove', 'show-text');
 
         APP_STATE.unlockProgress = 0;
-        safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
         clearTimeout(narrativeTimer);
         explode(50);
     }
@@ -897,68 +993,98 @@
         // Loader logic
         if (!APP_STATE.isLoaded) {
             APP_STATE.isLoaded = true;
-            const loader = DOM_CACHE.startScreen;
+            CAMERA_STATE.enabled = true;
-            loader.style.opacity = 0;
+
-            DOM_CACHE.uiLayer.style.opacity = 1;
+            // 清除自动进入定时器
-            setTimeout(() => loader.style.display = 'none', 1000);
+            clearTimeout(CAMERA_STATE.autoEnterTimeout);
         }
 
-        const landmarks = results.multiHandLandmarks;
+        // 只有在摄像头启用时才处理手势
-        const sysStatus = DOM_CACHE.sysStatus;
+        if (CAMERA_STATE.enabled) {
+            const landmarks = results.multiHandLandmarks;
+            const sysStatus = DOM_CACHE.sysStatus;
 
-        if (landmarks && landmarks.length > 0) {
+            if (landmarks && landmarks.length > 0) {
-            APP_STATE.handCount = landmarks.length;
+                APP_STATE.handCount = landmarks.length;
-            safeUpdateText(sysStatus, `LINKED (${APP_STATE.handCount})`);
+                safeUpdateText(sysStatus, `LINKED (${APP_STATE.handCount})`);
-            if (sysStatus) sysStatus.style.color = ENV.theme === 'day' ? '#0044cc' : '#00ff00';
+                if (sysStatus) sysStatus.style.color = ENV.theme === 'day' ? '#0044cc' : '#00ff00';
 
-            // 坐标处理 (镜像)
+                // 坐标处理 (镜像)
-            const process = (lm) => ({
+                const process = (lm) => ({
-                x: ((1.0 - lm.x) * 2 - 1) * 800,
+                    x: ((1.0 - lm.x) * 2 - 1) * 800,
-                y: -(lm.y * 2 - 1 - 0.2) * 600
+                    y: -(lm.y * 2 - 1 - 0.2) * 600
-            });
+                });
 
-            const p1 = process(landmarks[0][9]);
+                const p1 = process(landmarks[0][9]);
-            APP_STATE.handL.x += (p1.x - APP_STATE.handL.x) * 0.25;
+                APP_STATE.handL.x += (p1.x - APP_STATE.handL.x) * 0.25;
-            APP_STATE.handL.y += (p1.y - APP_STATE.handL.y) * 0.25;
+                APP_STATE.handL.y += (p1.y - APP_STATE.handL.y) * 0.25;
 
-            if (landmarks.length > 1) {
+                if (landmarks.length > 1) {
-                const p2 = process(landmarks[1][9]);
+                    const p2 = process(landmarks[1][9]);
-                APP_STATE.handR.x += (p2.x - APP_STATE.handR.x) * 0.25;
+                    APP_STATE.handR.x += (p2.x - APP_STATE.handR.x) * 0.25;
-                APP_STATE.handR.y += (p2.y - APP_STATE.handR.y) * 0.25;
+                    APP_STATE.handR.y += (p2.y - APP_STATE.handR.y) * 0.25;
-            }
-
-            // 合十检测
-            if (landmarks.length === 2 && APP_STATE.mode === 'LOCKED' && Date.now() > APP_STATE.exitCooldownUntil) {
-                const w1 = landmarks[0][0], w2 = landmarks[1][0];
-                const i1 = landmarks[0][8], i2 = landmarks[1][8];
-                const m1 = landmarks[0][12], m2 = landmarks[1][12];
-                const dW = Math.hypot(w1.x - w2.x, w1.y - w2.y);
-                const dI = Math.hypot(i1.x - i2.x, i1.y - i2.y);
-                const dM = Math.hypot(m1.x - m2.x, m1.y - m2.y);
-                const okW = dW < 0.28;
-                const okI = dI < 0.20;
-                const okM = dM < 0.20;
-                const ok = ((okW ? 1 : 0) + (okI ? 1 : 0) + (okM ? 1 : 0)) >= 2;
-                if (ok) {
-                    APP_STATE.namasteStableFrames++;
-                } else {
-                    APP_STATE.namasteStableFrames = Math.max(0, APP_STATE.namasteStableFrames - 1);
                 }
-                const targetFrames = 20;
+
-                const pct = Math.min(100, Math.round(APP_STATE.namasteStableFrames / targetFrames * 100));
+                // 合十检测
-                if (pct > 0) safeUpdateText(DOM_CACHE.mainHint, `${CONTENT.hints.unlocking} ${pct}%`);
+                if (landmarks.length === 2 && APP_STATE.mode === 'LOCKED' && Date.now() > APP_STATE.exitCooldownUntil) {
-                if (APP_STATE.namasteStableFrames >= targetFrames) enterArchive();
+                    const w1 = landmarks[0][0], w2 = landmarks[1][0];
-                if (!ok && APP_STATE.namasteStableFrames === 0) safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
+                    const i1 = landmarks[0][8], i2 = landmarks[1][8];
+                    const m1 = landmarks[0][12], m2 = landmarks[1][12];
+                    const dW = Math.hypot(w1.x - w2.x, w1.y - w2.y);
+                    const dI = Math.hypot(i1.x - i2.x, i1.y - i2.y);
+                    const dM = Math.hypot(m1.x - m2.x, m1.y - m2.y);
+                    const okW = dW < 0.28;
+                    const okI = dI < 0.20;
+                    const okM = dM < 0.20;
+                    const ok = ((okW ? 1 : 0) + (okI ? 1 : 0) + (okM ? 1 : 0)) >= 2;
+                    if (ok) {
+                        APP_STATE.namasteStableFrames++;
+                    } else {
+                        APP_STATE.namasteStableFrames = Math.max(0, APP_STATE.namasteStableFrames - 1);
+                    }
+                    const targetFrames = 20;
+                    const pct = Math.min(100, Math.round(APP_STATE.namasteStableFrames / targetFrames * 100));
+                    if (pct > 0) safeUpdateText(DOM_CACHE.mainHint, `${CONTENT.hints.unlocking} ${pct}%`);
+                    if (APP_STATE.namasteStableFrames >= targetFrames) enterArchive();
+                    if (!ok && APP_STATE.namasteStableFrames === 0) safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
+                }
+            } else {
+                APP_STATE.handCount = 0;
+                safeUpdateText(sysStatus, 'SEARCHING...');
+                if (sysStatus) sysStatus.style.color = 'inherit';
+                APP_STATE.unlockProgress = 0;
+                safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
             }
-        } else {
-            APP_STATE.handCount = 0;
-            safeUpdateText(sysStatus, 'SEARCHING...');
-            if (sysStatus) sysStatus.style.color = 'inherit';
-            APP_STATE.unlockProgress = 0;
-            safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
         }
     });
 
+    DOM_CACHE.subHint.addEventListener('click', () => {
+        // 只有在无摄像头模式下才允许重新申请权限
+        if (!CAMERA_STATE.enabled && APP_STATE.mode === 'UNLOCKED') {
+            requestCameraAccess();
+        }
+    });
+
+    // 请求摄像头权限
+    function requestCameraAccess() {
+        // 更新提示文本
+        safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.cameraRetryTimeout);
+
+        // 尝试启动摄像头
+        cameraUtils.start().then(() => {
+            // 成功启动，隐藏提示
+            safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.main);
+        }).catch(err => {
+            console.log("Camera access error:", err);
+        });
+
+        // 5秒后取消
+        CAMERA_STATE.retryTimeout = setTimeout(() => {
+            cameraUtils.stop();
+            safeUpdateText(DOM_CACHE.mainHint, CONTENT.hints.cameraDisabledMainHint);
+        }, 5000);
+    }
+
     const videoElement = DOM_CACHE.inputVideo;
     const cameraUtils = new Camera(videoElement, {
         onFrame: async () => {
@@ -966,7 +1092,11 @@
         },
         width: 640, height: 480
     });
-    cameraUtils.start();
+
+    // 初始启动摄像头
+    cameraUtils.start().catch(err => {
+        console.log("Initial camera access denied:", err);
+    });
 
     window.addEventListener('resize', () => {
         camera.aspect = window.innerWidth / window.innerHeight;