malevolent-performance-0406

readme.md

malevolent-performance-0406

Created with <3 with dartpad.dev.

main.dart

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

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(
        scaffoldBackgroundColor: darkBlue,
      ),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
   return SizedBox(
      height: 150.0,
      child: ClipPath(
        clipper: BackgroundClipPath(),
        child: Container(
          decoration: const BoxDecoration(
            color: Color(0xFFF78770),
          ),
        ),
      ),
    );
  }
}

class BackgroundClipPath extends CustomClipper<Path> {
  @override
  Path getClip(Size size) {
    var path = Path();
    int height = size.height.toInt();
    int beginCurve = height - 100;
    int middleCurve = height;
    int minBeginCurve = height~/2;
    int waves = 5;
    int paths = waves * 2;
   
    List<Offset> offsets = [];
    Random rdn = Random();
       
    path.lineTo(0.0, size.height - 30);

    for (int i = 0; i < paths; i++) {
                  
      double dx = size.width / paths * (i + 1);
      
      int ratio = minBeginCurve - rdn.nextInt(minBeginCurve - beginCurve);
            
      double dy = (i%2==0) ? middleCurve.toDouble() : (ratio).toDouble();
      
      print('middle: $middleCurve, max: $beginCurve, ratio: $dy');
      
      offsets.add(Offset(dx, dy));
    }

    for (int i = 0; i < paths; i+=2) {
      path.quadraticBezierTo(offsets[i].dx, offsets[i].dy, offsets[i+1].dx, offsets[i+1].dy);
      
      if (i == paths - 2) { break; }

    }

    path.lineTo(size.width, 0.0);
    path.close();

    return path;
  }

  @override
  bool shouldReclip(covariant CustomClipper<Path> oldClipper) => false;
}