generated from dellevin/template
436 lines
15 KiB
Dart
436 lines
15 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../utils/user_prefs.dart';
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/// 相遇统计页
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class EncounterPage extends StatelessWidget {
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const EncounterPage({super.key});
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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final userPrefs = UserPrefs();
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final firstUse = userPrefs.firstUseDate;
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final now = DateTime.now();
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final days = DateTime(now.year, now.month, now.day)
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.difference(DateTime(firstUse.year, firstUse.month, firstUse.day))
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.inDays + 1;
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(title: const Text('统计')),
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body: Consumer<AppProvider>(
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builder: (context, provider, child) {
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final movies = provider.movies.where((m) => !m.isDeleted).toList();
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final books = provider.books.where((b) => !b.isDeleted).toList();
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final notes = provider.notes.where((n) => !n.isDeleted).toList();
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final noteWords = notes.fold<int>(0, (sum, n) => sum + n.content.length);
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int imageCount = 0;
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for (final m in movies) {
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if (m.posterPath != null && m.posterPath!.isNotEmpty) imageCount++;
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}
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for (final b in books) {
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if (b.coverPath != null && b.coverPath!.isNotEmpty) imageCount++;
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}
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for (final n in notes) {
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imageCount += n.images.length;
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}
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final totalRecords = movies.length + books.length + notes.length;
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return CustomScrollView(
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slivers: [
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// 上半部分：与你 + 天数
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SliverToBoxAdapter(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Column(
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children: [
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const SizedBox(height: 48),
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Text(
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'与你',
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style: TextStyle(
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fontSize: 32,
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fontWeight: FontWeight.w700,
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color: colors.onSurface,
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letterSpacing: 4,
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),
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),
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const SizedBox(height: 12),
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RichText(
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text: TextSpan(
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children: [
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TextSpan(
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text: '相遇的第',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w400,
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color: colors.onSurface.withValues(alpha: 0.5),
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),
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),
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TextSpan(
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text: '$days',
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style: TextStyle(
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fontSize: 32,
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fontWeight: FontWeight.w700,
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color: colors.primary,
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),
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),
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TextSpan(
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text: '天',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w400,
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color: colors.onSurface.withValues(alpha: 0.5),
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),
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),
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],
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 8),
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Text(
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'${firstUse.year}年${firstUse.month}月${firstUse.day}日 — ${now.year}年${now.month}月${now.day}日',
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3)),
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),
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],
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),
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),
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),
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// 下半部分：用 SliverFillRemaining 推到底部
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SliverFillRemaining(
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hasScrollBody: false,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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Divider(color: colors.outlineVariant, thickness: 0.5),
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const SizedBox(height: 24),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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_statItem(context, '${movies.length}', '影视', Icons.movie_outlined),
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_statItem(context, '${books.length}', '书籍', Icons.menu_book_outlined),
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_statItem(context, '${notes.length}', '笔记', Icons.note_outlined),
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],
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),
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const SizedBox(height: 24),
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Divider(color: colors.outlineVariant, thickness: 0.5),
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const SizedBox(height: 24),
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Text(
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'已记录',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: colors.onSurface.withValues(alpha: 0.5),
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letterSpacing: 2,
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),
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),
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const SizedBox(height: 16),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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_recordItem(context, '$totalRecords', '条记录'),
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_recordItem(context, _formatCount(noteWords), '文字'),
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_recordItem(context, '$imageCount', '张图片'),
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],
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),
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const SizedBox(height: 24),
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Divider(color: colors.outlineVariant, thickness: 0.5),
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const SizedBox(height: 32),
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_buildCuteAnimation(colors),
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const SizedBox(height: 32),
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],
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),
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),
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),
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],
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);
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},
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),
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);
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}
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String _formatCount(int count) {
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if (count >= 10000) return '${(count / 10000).toStringAsFixed(1)}万';
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if (count >= 1000) return '${(count / 1000).toStringAsFixed(1)}k';
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return '$count';
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}
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Widget _statItem(BuildContext context, String value, String label, IconData icon) {
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final colors = Theme.of(context).colorScheme;
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return Column(
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children: [
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Icon(icon, size: 20, color: colors.onSurface.withValues(alpha: 0.3)),
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const SizedBox(height: 8),
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Text(
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value,
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style: TextStyle(fontSize: 22, fontWeight: FontWeight.w700, color: colors.onSurface),
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),
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const SizedBox(height: 4),
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Text(
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label,
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4)),
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),
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],
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);
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}
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Widget _recordItem(BuildContext context, String value, String label) {
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final colors = Theme.of(context).colorScheme;
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return Column(
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children: [
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Text(
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value,
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.primary),
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),
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const SizedBox(height: 4),
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Text(
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label,
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4)),
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),
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],
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);
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}
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/// 慢速滚动城市天际线
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Widget _buildCuteAnimation(ColorScheme colors) {
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return SizedBox(
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height: 72,
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child: _CityScape(colors: colors),
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);
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}
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}
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class _CityScape extends StatefulWidget {
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final ColorScheme colors;
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const _CityScape({required this.colors});
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@override
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State<_CityScape> createState() => _CityScapeState();
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}
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class _CityScapeState extends State<_CityScape> with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(seconds: 20),
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)..repeat();
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return AnimatedBuilder(
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animation: _controller,
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builder: (context, _) {
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return CustomPaint(
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size: const Size(double.infinity, 72),
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painter: _CityPainter(_controller.value, widget.colors),
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);
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},
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);
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}
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}
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class _CityPainter extends CustomPainter {
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final double t;
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final ColorScheme colors;
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_CityPainter(this.t, this.colors);
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// 后层建筑数据（高度比, 宽度, 是否尖顶）
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static const _buildings = <(double, double, bool)>[
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(0.30, 16, false),
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(0.48, 10, true),
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(0.22, 20, false),
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(0.55, 10, true),
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(0.35, 14, false),
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(0.42, 10, true),
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(0.25, 18, false),
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];
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// 前层绿植数据（高度比, 宽度, 类型: 0=圆冠, 1=松树, 2=灌木）
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static const _plants = <(double, double, int)>[
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(0.35, 10, 0),
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(0.50, 8, 1),
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(0.22, 14, 2),
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(0.45, 8, 0),
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(0.30, 12, 1),
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(0.20, 10, 2),
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(0.52, 8, 1),
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(0.28, 14, 2),
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];
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@override
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void paint(Canvas canvas, Size size) {
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final paint = Paint()..style = PaintingStyle.fill;
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final groundY = size.height - 2;
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// 星星
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_drawStars(canvas, paint, size, t);
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// 后层建筑（慢 0.3x，浅色）
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_drawBuildings(canvas, paint, size, groundY, t * 0.6);
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// 前层绿植（快 1.5x，深色）
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_drawPlants(canvas, paint, size, groundY, t * 1.0);
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// 地面线
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paint.color = colors.onSurface.withValues(alpha: 0.10);
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canvas.drawRect(Rect.fromLTWH(0, groundY, size.width, 1), paint);
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}
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// ── 后层：建筑 ──
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void _drawBuildings(Canvas canvas, Paint paint, Size size, double groundY, double scrollT) {
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double totalW = 0;
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for (final b in _buildings) {
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totalW += b.$2 + 4;
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}
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final offset = (scrollT * totalW) % totalW;
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double x = -offset;
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int i = 0;
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while (x < size.width + 20) {
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final (hR, w, spire) = _buildings[i % _buildings.length];
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final h = hR * (size.height - 8);
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final bx = x;
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final by = groundY - h;
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if (bx + w > -10 && bx < size.width + 10) {
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final a = 0.06 + hR * 0.05;
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paint.color = colors.onSurface.withValues(alpha: a);
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canvas.drawRect(Rect.fromLTWH(bx, by, w, h), paint);
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// 窗户
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if (h > 18) {
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paint.color = colors.onSurface.withValues(alpha: 0.04);
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for (int r = 0; r < ((h - 6) / 5).floor(); r++) {
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for (int c = 0; c < ((w - 4) / 4).floor(); c++) {
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if ((i * 13 + r * 7 + c * 11) % 4 == 0) continue;
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canvas.drawRect(Rect.fromLTWH(bx + 3 + c * 4.0, by + 4 + r * 5.0, 2, 2), paint);
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}
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}
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}
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if (spire) {
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paint.color = colors.onSurface.withValues(alpha: a);
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final sh = h * 0.18;
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canvas.drawPath(
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Path()
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..moveTo(bx + w / 2 - 2, by)
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..lineTo(bx + w / 2, by - sh)
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..lineTo(bx + w / 2 + 2, by)
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..close(),
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paint,
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);
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}
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if (!spire && hR > 0.4 && i % 3 == 0) {
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paint.color = colors.onSurface.withValues(alpha: a * 0.5);
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canvas.drawRect(Rect.fromLTWH(bx + w / 2 - 0.5, by - 6, 1, 6), paint);
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canvas.drawCircle(Offset(bx + w / 2, by - 6), 1.2, paint);
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}
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}
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x += w + 16;
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i++;
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}
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}
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// ── 前层：绿植 ──
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void _drawPlants(Canvas canvas, Paint paint, Size size, double groundY, double scrollT) {
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double totalW = 0;
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for (final p in _plants) {
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totalW += p.$2 + 6;
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}
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final offset = (scrollT * totalW) % totalW;
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double x = -offset;
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int i = 0;
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while (x < size.width + 20) {
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final (hR, w, type) = _plants[i % _plants.length];
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final h = hR * (size.height - 10);
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final bx = x;
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final by = groundY;
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if (bx + w > -10 && bx < size.width + 10) {
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final alpha = 0.18 + hR * 0.10;
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if (type == 0) {
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// 圆冠树
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final trunkH = h * 0.4;
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final crownR = w * 0.45;
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paint.color = colors.onSurface.withValues(alpha: alpha * 0.7);
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canvas.drawRect(Rect.fromLTWH(bx + w / 2 - 1.5, by - trunkH, 3, trunkH), paint);
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paint.color = colors.onSurface.withValues(alpha: alpha);
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canvas.drawOval(
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Rect.fromCenter(center: Offset(bx + w / 2, by - trunkH - crownR * 0.6), width: crownR * 2, height: crownR * 1.6),
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paint,
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);
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} else if (type == 1) {
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// 松树
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final trunkH = h * 0.25;
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paint.color = colors.onSurface.withValues(alpha: alpha * 0.7);
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canvas.drawRect(Rect.fromLTWH(bx + w / 2 - 1.5, by - trunkH, 3, trunkH), paint);
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paint.color = colors.onSurface.withValues(alpha: alpha);
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for (int layer = 0; layer < 3; layer++) {
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final layerW = w * (1.0 - layer * 0.2);
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final layerBottom = by - trunkH - layer * (h * 0.2);
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final layerTop = layerBottom - h * 0.28;
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canvas.drawPath(
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Path()
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..moveTo(bx + w / 2 - layerW / 2, layerBottom)
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..lineTo(bx + w / 2, layerTop)
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..lineTo(bx + w / 2 + layerW / 2, layerBottom)
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..close(),
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paint,
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);
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}
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} else {
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// 灌木
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paint.color = colors.onSurface.withValues(alpha: alpha);
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canvas.drawOval(Rect.fromLTWH(bx, by - h, w, h), paint);
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paint.color = colors.onSurface.withValues(alpha: alpha * 0.8);
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canvas.drawOval(Rect.fromLTWH(bx + w * 0.2, by - h * 0.7, w * 0.6, h * 0.6), paint);
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}
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}
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x += w + 14;
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i++;
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}
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}
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void _drawStars(Canvas canvas, Paint paint, Size size, double t) {
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const stars = [
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(12.0, 5.0, 1.2), (38.0, 12.0, 0.8), (65.0, 3.0, 1.0),
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(95.0, 16.0, 1.4), (130.0, 7.0, 0.9), (165.0, 14.0, 1.1),
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(200.0, 4.0, 1.3), (235.0, 18.0, 0.7), (270.0, 9.0, 1.0),
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(310.0, 2.0, 1.2), (345.0, 15.0, 0.9), (380.0, 6.0, 1.1),
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(420.0, 11.0, 0.8), (460.0, 3.0, 1.0), (500.0, 17.0, 1.3),
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];
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for (int i = 0; i < stars.length; i++) {
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final (sx, sy, r) = stars[i];
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if (sx > size.width) continue;
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final flicker = 0.15 + 0.12 * sin(t * 2 * pi + i * 1.1);
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paint.color = colors.onSurface.withValues(alpha: flicker);
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canvas.drawCircle(Offset(sx, sy), r, paint);
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}
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}
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@override
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bool shouldRepaint(_CityPainter old) => old.t != t;
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}
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