fix(player): 优化双击飘心轨迹

lib/pages/player/widgets/home_feed_overlay.dart

@@ -130,6 +130,7 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
         children: [
           Positioned.fill(
             child: PlayerTapGestureRegion(
+              key: const ValueKey('home-feed-tap-gesture-region'),
               gestureKey: const Key('home-feed-gesture'),
               episodeId: widget.episode.id,
               enabled: !_scrubbing,

lib/pages/player/widgets/player_double_tap_hearts.dart

@@ -1,33 +1,34 @@
 // Author: fruit.com.cn
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 import '../../../core/theme/app_colors.dart';
 
-const int _heartDurationMs = 1300;
-const int _lastHeartDelayMs = 200;
-const double _heartPopPortion = 0.18;
+const int _heartDurationMs = 1900;
+const int _lastHeartDelayMs = 260;
+const double _heartPopPortion = 0.12;
 const double _heartStartScale = 0.7;
-const double _heartHoldPortion = 0.65;
+const double _heartHoldPortion = 0.45;
 
 const List<_HeartParticle> _hearts = [
   _HeartParticle(
     delay: 0,
-    travel: 175,
+    travel: 120,
     drift: 0,
     size: 44,
     color: AppColors.doubleTapHeartRed,
   ),
   _HeartParticle(
-    delay: 110,
-    travel: 150,
+    delay: 140,
+    travel: 120,
     drift: -32,
     size: 34,
     color: AppColors.doubleTapHeartPink,
   ),
   _HeartParticle(
     delay: _lastHeartDelayMs,
-    travel: 165,
+    travel: 120,
     drift: 30,
     size: 38,
     color: AppColors.doubleTapHeartRed,
@@ -36,7 +37,11 @@ const List<_HeartParticle> _hearts = [
 
 /// 双击点赞时，在点击位置飘出一小簇心。
 class PlayerDoubleTapHeartBurst extends StatefulWidget {
-  const PlayerDoubleTapHeartBurst({super.key, required this.onCompleted});
+  const PlayerDoubleTapHeartBurst({
+    super.key,
+    required this.burstId,
+    required this.onCompleted,
+  });
 
   static const int particleCount = 3;
   static const int singleHeartDurationMs = _heartDurationMs;
@@ -44,6 +49,7 @@ class PlayerDoubleTapHeartBurst extends StatefulWidget {
     milliseconds: _lastHeartDelayMs + _heartDurationMs,
   );
 
+  final int burstId;
   final VoidCallback onCompleted;
 
   @override
@@ -54,11 +60,17 @@ class PlayerDoubleTapHeartBurst extends StatefulWidget {
 class _PlayerDoubleTapHeartBurstState extends State<PlayerDoubleTapHeartBurst>
     with SingleTickerProviderStateMixin {
   late final AnimationController _controller;
+  final Stopwatch _lifetime = Stopwatch();
   bool _completed = false;
 
   @override
   void initState() {
     super.initState();
+    _lifetime.start();
+    if (kDebugMode) {
+      debugPrint('[player] phase=heart-burst-init id=${widget.burstId}');
+      debugPrint('[player] phase=heart-burst-start id=${widget.burstId}');
+    }
     final total = _hearts
         .map((heart) => heart.delay + _heartDurationMs)
         .reduce((left, right) => left > right ? left : right);
@@ -72,11 +84,26 @@ class _PlayerDoubleTapHeartBurstState extends State<PlayerDoubleTapHeartBurst>
   void _onStatus(AnimationStatus status) {
     if (status != AnimationStatus.completed || _completed) return;
     _completed = true;
+    if (kDebugMode) {
+      final elapsedMs = _controller.duration?.inMilliseconds ?? 0;
+      debugPrint(
+        '[player] phase=heart-burst-complete '
+        'id=${widget.burstId} elapsedMs=$elapsedMs',
+      );
+    }
     widget.onCompleted();
   }
 
   @override
   void dispose() {
+    if (kDebugMode) {
+      debugPrint(
+        '[player] phase=heart-burst-dispose '
+        'id=${widget.burstId} elapsedMs=${_lifetime.elapsedMilliseconds} '
+        'completed=${_completed ? 1 : 0}',
+      );
+    }
+    _lifetime.stop();
     _controller
       ..removeStatusListener(_onStatus)
       ..dispose();
@@ -111,14 +138,17 @@ class _PlayerDoubleTapHeartBurstState extends State<PlayerDoubleTapHeartBurst>
       1.0,
     );
     if (progress <= 0) return const SizedBox.shrink();
-    final move = Curves.easeOutCubic.transform(progress);
+    final move = Curves.easeOutSine.transform(progress);
     final scale = progress < _heartPopPortion
         ? _heartStartScale +
               (1 - _heartStartScale) * (progress / _heartPopPortion)
         : 1.0;
     final opacity = progress < _heartHoldPortion
         ? 1.0
-        : 1 - ((progress - _heartHoldPortion) / (1 - _heartHoldPortion));
+        : 1 -
+              Curves.easeInOutSine.transform(
+                (progress - _heartHoldPortion) / (1 - _heartHoldPortion),
+              );
     return Positioned(
       left: heart.drift * move - heart.size / 2,
       top: -heart.size / 2 - heart.travel * move,

lib/pages/player/widgets/player_overlay.dart

@@ -59,6 +59,7 @@ class PlayerPlaybackOverlay extends StatelessWidget {
         children: [
           Positioned.fill(
             child: PlayerTapGestureRegion(
+              key: const ValueKey('player-tap-gesture-region'),
               gestureKey: const Key('player-video-tap'),
               episodeId: data.episode.id,
               enabled: !scrubbing,

lib/pages/player/widgets/player_tap_gesture_region.dart

@@ -93,6 +93,7 @@ class _PlayerTapGestureRegionState extends State<PlayerTapGestureRegion> {
                             top: burst.position.dy - 10,
                             child: PlayerDoubleTapHeartBurst(
                               key: ValueKey(burst.id),
+                              burstId: burst.id,
                               onCompleted: () => _removeHeartBurst(burst.id),
                             ),
                           ),