0812

2025-08-12 13:36:42 +08:00
parent 8191bef32e
commit 130755f9e1
47 changed files with 3728 additions and 761 deletions
--- a/lib/widgets/voice_animation.dart
+++ b/lib/widgets/voice_animation.dart
@@ -0,0 +1,113 @@
+import 'dart:math';
+import 'package:flutter/material.dart';
+
+class VoiceWaveAnimation extends StatefulWidget {
+  const VoiceWaveAnimation({super.key});
+
+  @override
+  State<VoiceWaveAnimation> createState() => _VoiceWaveAnimationState();
+}
+
+class _VoiceWaveAnimationState extends State<VoiceWaveAnimation> with TickerProviderStateMixin {
+  late AnimationController _controller;
+  
+  @override
+  void initState() {
+    super.initState();
+    
+    // 创建一个持续动画控制器
+    _controller = AnimationController(
+      duration: const Duration(milliseconds: 1500),
+      vsync: this,
+    )..repeat();
+  }
+  
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+  
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+      animation: _controller,
+      builder: (context, child) {
+        return SizedBox(
+          width: 160,
+          height: 30,
+          child: CustomPaint(
+            painter: SineWavePainter(
+              animation: _controller,
+              count: 2, // 波浪数量
+              color: Colors.white,
+              amplitudeFactor: 0.5, // 波幅因子
+            ),
+          ),
+        );
+      },
+    );
+  }
+}
+
+class SineWavePainter extends CustomPainter {
+  final Animation<double> animation;
+  final int count; // 波浪数量
+  final Color color;
+  final double amplitudeFactor; // 波幅因子
+  
+  SineWavePainter({
+    required this.animation,
+    this.count = 2,
+    required this.color,
+    this.amplitudeFactor = 1.0,
+  });
+  
+  @override
+  void paint(Canvas canvas, Size size) {
+    final Paint paint = Paint()
+      ..color = color.withValues(alpha: 0.7)
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 2.0;
+      
+    final Paint paint2 = Paint()
+      ..color = color.withValues(alpha: 0.3)
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 2.0;
+    
+    final double width = size.width;
+    final double height = size.height;
+    final double centerY = height / 2;
+    
+    // 绘制第一个波浪
+    final path = Path();
+    final path2 = Path();
+    
+    // 创建两条不同相位的波形，一条主要一条次要
+    path.moveTo(0, centerY);
+    path2.moveTo(0, centerY);
+    
+    for (int i = 0; i < width; i++) {
+      // 主波形
+      final double x = i.toDouble();
+      final double normalizedX = (x / width) * count * 2 * pi;
+      final double offset = 2 * pi * animation.value;
+      
+      // 使用随机振幅变化模拟声音波动
+      final double randomAmplitude = (sin(normalizedX + offset) + 1) / 2 * amplitudeFactor;
+      path.lineTo(x, centerY - randomAmplitude * 10);
+      
+      // 次波形，相位滞后
+      final double randomAmplitude2 = (sin(normalizedX + offset + pi / 6) + 1) / 2 * amplitudeFactor;
+      path2.lineTo(x, centerY - randomAmplitude2 * 5);
+    }
+    
+    canvas.drawPath(path, paint);
+    canvas.drawPath(path2, paint2);
+  }
+  
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) {
+    return true;
+  }
+}