优化

examples/3d/blendshapeAnimator.js

@@ -231,7 +231,12 @@ class BlendShapeAnimator {
             this.blinkInterval = setTimeout(() => {
                 if (this.isBlinkEnabled) {
                     this._doBlink();
-                    scheduleNext();
+                    const holdDuration = Math.max(0, this.blinkParams.duration || 0);
+                    this.blinkInterval = setTimeout(() => {
+                        if (this.isBlinkEnabled) {
+                            scheduleNext();
+                        }
+                    }, holdDuration);
                 }
             }, delay);
         };
@@ -281,8 +286,13 @@ class BlendShapeAnimator {
             const delay = this.eyeLookParams.intervalMin + Math.random() * (this.eyeLookParams.intervalMax - this.eyeLookParams.intervalMin);
             this.eyeLookInterval = setTimeout(() => {
                 if (this.isEyeLookEnabled) {
-                    this._doRandomEyeLook();
+                    const holdDuration = this._doRandomEyeLook();
-                    scheduleNext();
+                    const waitDuration = Math.max(0, holdDuration || 0);
+                    this.eyeLookInterval = setTimeout(() => {
+                        if (this.isEyeLookEnabled) {
+                            scheduleNext();
+                        }
+                    }, waitDuration);
                 }
             }, delay);
         };
@@ -330,6 +340,8 @@ class BlendShapeAnimator {
                 });
             }
         }, holdDuration);
+
+        return holdDuration;
     }
 
     _resetEyeLook() {

examples/3d/expressionLibrary.js

@@ -131,6 +131,7 @@ const ExpressionLibrary = {
         enabled: false,
         timeout: null,
         currentExpression: null,
+        lastExpressionKey: null,
         intervalMin: 3000,
         intervalMax: 8000,
 
@@ -170,7 +171,10 @@ const ExpressionLibrary = {
                 return;
             }
 
-            const randomKey = enabledKeys[Math.floor(Math.random() * enabledKeys.length)];
+            const availableKeys = enabledKeys.length > 1 && this.lastExpressionKey
+                ? enabledKeys.filter(key => key !== this.lastExpressionKey)
+                : enabledKeys;
+            const randomKey = availableKeys[Math.floor(Math.random() * availableKeys.length)];
             const expression = ExpressionLibrary.expressions[randomKey];
 
             this.play(expression);
@@ -178,6 +182,9 @@ const ExpressionLibrary = {
 
         play: function(expression) {
             this.currentExpression = expression;
+            this.lastExpressionKey = Object.keys(ExpressionLibrary.expressions).find(
+                key => ExpressionLibrary.expressions[key] === expression
+            );
 
             // 从主页面获取动画速度参数
             const speed = window.expressionParams?.speed || 400;
@@ -189,17 +196,13 @@ const ExpressionLibrary = {
                 }
             }
 
-            // 获取表情的key
-            const expressionKey = Object.keys(ExpressionLibrary.expressions).find(
-                key => ExpressionLibrary.expressions[key] === expression
-            );
-
             // 使用用户设置的持续时间，如果没有则使用表情默认时间
-            const duration = (window.expressionDurations && window.expressionDurations[expressionKey])
+            const duration = (window.expressionDurations && window.expressionDurations[this.lastExpressionKey])
                 || expression.duration;
 
             setTimeout(() => {
                 this.reset();
+                if (!this.enabled) return;
                 this.scheduleNext();
             }, duration);
         },

examples/3d/index.html

@@ -65,10 +65,10 @@
             </label>
             <div class="param-group" id="blinkParams">
                 <div class="param-item">
-                    <label>频率间隔 (秒): <span class="param-value" id="blinkIntervalValue">2-5</span></label>
+                    <label>频率间隔 (秒): <span class="param-value" id="blinkIntervalValue">1-2</span></label>
-                    <input type="range" id="blinkIntervalMin" min="1" max="5" step="0.5" value="2"
+                    <input type="range" id="blinkIntervalMin" min="1" max="5" step="0.5" value="1"
                            oninput="updateBlinkInterval()">
-                    <input type="range" id="blinkIntervalMax" min="3" max="10" step="0.5" value="5"
+                    <input type="range" id="blinkIntervalMax" min="2" max="10" step="0.5" value="2"
                            oninput="updateBlinkInterval()">
                 </div>
                 <div class="param-item">
@@ -93,10 +93,10 @@
             </label>
             <div class="param-group" id="eyeLookParams">
                 <div class="param-item">
-                    <label>频率间隔 (秒): <span class="param-value" id="eyeLookIntervalValue">2-6</span></label>
+                    <label>频率间隔 (秒): <span class="param-value" id="eyeLookIntervalValue">1-2</span></label>
-                    <input type="range" id="eyeLookIntervalMin" min="1" max="5" step="0.5" value="2"
+                    <input type="range" id="eyeLookIntervalMin" min="1" max="5" step="0.5" value="1"
                            oninput="updateEyeLookInterval()">
-                    <input type="range" id="eyeLookIntervalMax" min="3" max="10" step="0.5" value="6"
+                    <input type="range" id="eyeLookIntervalMax" min="2" max="10" step="0.5" value="2"
                            oninput="updateEyeLookInterval()">
                 </div>
                 <div class="param-item">
@@ -129,10 +129,10 @@
                     </div>
                 </div>
                 <div class="param-item">
-                    <label>频率间隔 (秒): <span class="param-value" id="expressionIntervalValue">3-8</span></label>
+                    <label>频率间隔 (秒): <span class="param-value" id="expressionIntervalValue">1-1</span></label>
-                    <input type="range" id="expressionIntervalMin" min="2" max="8" step="0.5" value="3"
+                    <input type="range" id="expressionIntervalMin" min="1" max="8" step="0.5" value="1"
                            oninput="updateExpressionInterval()">
-                    <input type="range" id="expressionIntervalMax" min="5" max="15" step="0.5" value="8"
+                    <input type="range" id="expressionIntervalMax" min="1" max="15" step="0.5" value="1"
                            oninput="updateExpressionInterval()">
                 </div>
                 <div class="param-item">

examples/3d/main.js

@@ -36,6 +36,8 @@ function init() {
     window.enabledExpressions = enabledExpressions;
     window.expressionDurations = expressionDurations;
 
+    updateExpressionInterval();
+
     // 加载3D模型
     sceneManager.loadModel('head_a01.glb',
         (meshes) => {