import 'package:flutter/material.dart'; import 'package:advanced_particle_effects/advanced_particle_effects.dart';

// ============================================ // SUPER EASY USAGE EXAMPLES // ============================================

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return MaterialApp( title: 'Particle Effects - Easy Usage', theme: ThemeData.dark(), home: const EasyExamplesScreen(), ); } }

// ============================================ // EXAMPLE 1: DEFAULT (No customization needed!) // ============================================

class Example1_Default extends StatelessWidget { const Example1_Default({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Default - Just Works!')), body: const NetworkedParticleSystem(), // That's it! ✨ ); } }

// ============================================ // EXAMPLE 2: CHANGE PARTICLE COUNT // ============================================

class Example2_ParticleCount extends StatelessWidget { const Example2_ParticleCount({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Custom Particle Count')), body: const NetworkedParticleSystem( particleCount: 150, // More particles! ), ); } }

// ============================================ // EXAMPLE 3: CHANGE PARTICLE SIZE // ============================================

class Example3_ParticleSize extends StatelessWidget { const Example3_ParticleSize({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Big Particles')), body: const NetworkedParticleSystem( particleSize: 5.0, // Bigger particles! ), ); } }

// ============================================ // EXAMPLE 4: CHANGE COLORS // ============================================

class Example4_Colors extends StatelessWidget { const Example4_Colors({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Custom Colors')), body: const NetworkedParticleSystem( particleColor: Colors.cyan, // Particle color lineColor: Colors.blue, // Line color ), ); } }

// ============================================ // EXAMPLE 5: CHANGE LINE WIDTH // ============================================

class Example5_LineWidth extends StatelessWidget { const Example5_LineWidth({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Thick Lines')), body: const NetworkedParticleSystem( lineWidth: 2.5, // Thicker lines! ), ); } }

// ============================================ // EXAMPLE 6: FULL CUSTOMIZATION // ============================================

class Example6_FullCustomization extends StatelessWidget { const Example6_FullCustomization({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Full Customization')), body: const NetworkedParticleSystem( particleCount: 120, // Number of particles particleSize: 3.0, // Size of each particle particleColor: Colors.purple, // Particle color lineColor: Colors.pink, // Line color (optional) lineWidth: 1.5, // Line thickness connectionDistance: 100, // Max distance for connections speedMultiplier: 0.01, // Movement speed ), ); } }

// ============================================ // EXAMPLE 7: INTERACTIVE - USER CONTROLS // ============================================

class Example7_Interactive extends StatefulWidget { const Example7_Interactive({Key? key}) : super(key: key);

@override State<Example7_Interactive> createState() => _Example7_InteractiveState(); }

class _Example7_InteractiveState extends State<Example7_Interactive> { // User controllable values with defaults int particleCount = 100; double particleSize = 2.0; double lineWidth = 1.2; double connectionDistance = 80.0; double speed = 0.008; Color particleColor = Colors.white; Color lineColor = Colors.white;

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar( title: const Text('Interactive Controls'), ), body: Stack( children: [ // Particle system with user values NetworkedParticleSystem( key: ValueKey('$particleCount-$particleSize-$lineWidth-$connectionDistance-$speed-$particleColor-$lineColor'), particleCount: particleCount, particleSize: particleSize, particleColor: particleColor, lineColor: lineColor, lineWidth: lineWidth, connectionDistance: connectionDistance, speedMultiplier: speed, ),

      // Control panel
      Positioned(
        bottom: 20,
        left: 20,
        right: 20,
        child: Container(
          padding: const EdgeInsets.all(16),
          decoration: BoxDecoration(
            color: Colors.black87,
            borderRadius: BorderRadius.circular(12),
            border: Border.all(color: Colors.white24),
          ),
          child: SingleChildScrollView(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                // Particle Count
                Text('Particle Count: $particleCount', style: const TextStyle(color: Colors.white)),
                Slider(
                  value: particleCount.toDouble(),
                  min: 20,
                  max: 200,
                  divisions: 18,
                  label: particleCount.toString(),
                  onChanged: (value) => setState(() => particleCount = value.toInt()),
                ),
                const SizedBox(height: 8),
                
                // Particle Size
                Text('Particle Size: ${particleSize.toStringAsFixed(1)}', style: const TextStyle(color: Colors.white)),
                Slider(
                  value: particleSize,
                  min: 1.0,
                  max: 8.0,
                  divisions: 14,
                  label: particleSize.toStringAsFixed(1),
                  onChanged: (value) => setState(() => particleSize = value),
                ),
                const SizedBox(height: 8),
                
                // Line Width
                Text('Line Width: ${lineWidth.toStringAsFixed(1)}', style: const TextStyle(color: Colors.white)),
                Slider(
                  value: lineWidth,
                  min: 0.5,
                  max: 4.0,
                  divisions: 14,
                  label: lineWidth.toStringAsFixed(1),
                  onChanged: (value) => setState(() => lineWidth = value),
                ),
                const SizedBox(height: 8),
                
                // Connection Distance
                Text('Connection Distance: ${connectionDistance.toInt()}', style: const TextStyle(color: Colors.white)),
                Slider(
                  value: connectionDistance,
                  min: 40,
                  max: 150,
                  divisions: 11,
                  label: connectionDistance.toInt().toString(),
                  onChanged: (value) => setState(() => connectionDistance = value),
                ),
                const SizedBox(height: 8),
                
                // Speed
                Text('Speed: ${(speed * 1000).toStringAsFixed(1)}', style: const TextStyle(color: Colors.white)),
                Slider(
                  value: speed * 1000,
                  min: 3,
                  max: 20,
                  divisions: 17,
                  label: (speed * 1000).toStringAsFixed(1),
                  onChanged: (value) => setState(() => speed = value / 1000),
                ),
                const SizedBox(height: 16),
                
                // Color Presets
                const Text('Colors:', style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold)),
                const SizedBox(height: 8),
                Wrap(
                  spacing: 8,
                  runSpacing: 8,
                  children: [
                    _ColorButton(
                      color: Colors.white,
                      onTap: () => setState(() {
                        particleColor = Colors.white;
                        lineColor = Colors.white;
                      }),
                    ),
                    _ColorButton(
                      color: Colors.cyan,
                      onTap: () => setState(() {
                        particleColor = Colors.cyan;
                        lineColor = Colors.blue;
                      }),
                    ),
                    _ColorButton(
                      color: Colors.purple,
                      onTap: () => setState(() {
                        particleColor = Colors.purple;
                        lineColor = Colors.pink;
                      }),
                    ),
                    _ColorButton(
                      color: Colors.green,
                      onTap: () => setState(() {
                        particleColor = Colors.green;
                        lineColor = Colors.lightGreen;
                      }),
                    ),
                    _ColorButton(
                      color: Colors.red,
                      onTap: () => setState(() {
                        particleColor: Colors.red;
                        lineColor = Colors.orange;
                      }),
                    ),
                    _ColorButton(
                      color: Colors.yellow,
                      onTap: () => setState(() {
                        particleColor = Colors.yellow;
                        lineColor = Colors.amber;
                      }),
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
    ],
  ),
);

} }

class _ColorButton extends StatelessWidget { final Color color; final VoidCallback onTap;

const _ColorButton({required this.color, required this.onTap});

@override Widget build(BuildContext context) { return GestureDetector( onTap: onTap, child: Container( width: 40, height: 40, decoration: BoxDecoration( color: color, shape: BoxShape.circle, border: Border.all(color: Colors.white, width: 2), ), ), ); } }

// ============================================ // EXAMPLE 8: PRESET CONFIGURATIONS // ============================================

class Example8_Presets extends StatefulWidget { const Example8_Presets({Key? key}) : super(key: key);

@override State<Example8_Presets> createState() => _Example8_PresetsState(); }

class _Example8_PresetsState extends State<Example8_Presets> { int selectedPreset = 0;

final List<Map<String, dynamic>> presets = [ { 'name': 'Default', 'widget': const NetworkedParticleSystem(), }, { 'name': 'Subtle', 'widget': const NetworkedParticleSystem( particleCount: 60, particleSize: 1.5, speedMultiplier: 0.005, ), }, { 'name': 'Dense', 'widget': const NetworkedParticleSystem( particleCount: 150, particleSize: 1.5, connectionDistance: 70, ), }, { 'name': 'Big & Bold', 'widget': const NetworkedParticleSystem( particleCount: 80, particleSize: 4.0, lineWidth: 2.0, ), }, { 'name': 'Fast', 'widget': const NetworkedParticleSystem( speedMultiplier: 0.015, ), }, { 'name': 'Slow', 'widget': const NetworkedParticleSystem( speedMultiplier: 0.004, ), }, { 'name': 'Cyan', 'widget': const NetworkedParticleSystem( particleColor: Colors.cyan, lineColor: Colors.blue, ), }, { 'name': 'Purple', 'widget': const NetworkedParticleSystem( particleColor: Colors.purple, lineColor: Colors.pink, ), }, ];

@override Widget build(BuildContext context) { return Scaffold( backgroundColor: Colors.black, appBar: AppBar(title: const Text('Preset Configurations')), body: Stack( children: [ presets[selectedPreset]['widget'] as Widget, Positioned( bottom: 20, left: 0, right: 0, child: Center( child: Container( padding: const EdgeInsets.all(12), decoration: BoxDecoration( color: Colors.black87, borderRadius: BorderRadius.circular(20), ), child: Wrap( spacing: 8, children: List.generate( presets.length, (index) => ElevatedButton( onPressed: () => setState(() => selectedPreset = index), style: ElevatedButton.styleFrom( backgroundColor: selectedPreset == index ? Colors.blue : Colors.grey[800], ), child: Text(presets[index]['name'] as String), ), ), ), ), ), ), ], ), ); } }

// ============================================ // MAIN DEMO SCREEN - ALL EXAMPLES // ============================================

class EasyExamplesScreen extends StatelessWidget { const EasyExamplesScreen({Key? key}) : super(key: key);

@override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: const Text('Easy Particle Effects Examples'), ), body: ListView( padding: const EdgeInsets.all(16), children: [ ExampleCard( title: '1. Default (No Setup)', description: 'Just add the widget - it works!', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example1_Default()), ), ), ExampleCard( title: '2. Custom Particle Count', description: 'Control how many particles', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example2_ParticleCount()), ), ), ExampleCard( title: '3. Custom Particle Size', description: 'Make particles bigger or smaller', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example3_ParticleSize()), ), ), ExampleCard( title: '4. Custom Colors', description: 'Choose particle and line colors', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example4_Colors()), ), ), ExampleCard( title: '5. Custom Line Width', description: 'Make connection lines thicker', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example5_LineWidth()), ), ), ExampleCard( title: '6. Full Customization', description: 'All options at once', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example6_FullCustomization()), ), ), ExampleCard( title: '7. Interactive Controls', description: 'Let users customize everything!', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example7_Interactive()), ), ), ExampleCard( title: '8. Preset Configurations', description: 'Ready-made beautiful effects', onTap: () => Navigator.push( context, MaterialPageRoute(builder: () => const Example8_Presets()), ), ), ], ), ); } }

class _ExampleCard extends StatelessWidget { final String title; final String description; final VoidCallback onTap;

const _ExampleCard({ required this.title, required this.description, required this.onTap, });

@override Widget build(BuildContext context) { return Card( margin: const EdgeInsets.only(bottom: 12), child: ListTile( title: Text(title, style: const TextStyle(fontWeight: FontWeight.bold)), subtitle: Text(description), trailing: const Icon(Icons.arrow_forward_ios), onTap: onTap, ), ); } }

// ============================================ // QUICK REFERENCE // ============================================

/*

ALL AVAILABLE OPTIONS: #

NetworkedParticleSystem( // Number of particles (default: 100) particleCount: 100,

// Size of each particle (default: 2.0) particleSize: 2.0,

// Color of particles (default: Colors.white) particleColor: Colors.cyan,

// Color of lines (default: same as particleColor) lineColor: Colors.blue,

// Width of connection lines (default: 1.2) lineWidth: 1.5,

// Max distance for connections (default: 80) connectionDistance: 100,

// Speed control (default: 0.008) speedMultiplier: 0.01,

// Show connection lines (default: true) showConnections: true,

// Bounce off edges (default: true) bounce: true, )

EXAMPLES: #

// 1. Default NetworkedParticleSystem()

// 2. More particles NetworkedParticleSystem(particleCount: 150)

// 3. Big particles NetworkedParticleSystem(particleSize: 5.0)

// 4. Custom colors NetworkedParticleSystem( particleColor: Colors.purple, lineColor: Colors.pink, )

// 5. Thick lines NetworkedParticleSystem(lineWidth: 2.5)

// 6. Fast movement NetworkedParticleSystem(speedMultiplier: 0.015)

// 7. Everything custom NetworkedParticleSystem( particleCount: 120, particleSize: 3.0, particleColor: Colors.green, lineColor: Colors.lightGreen, lineWidth: 1.8, connectionDistance: 90, speedMultiplier: 0.01, )

*/