forked from lxm_flutter/FlutterUnit
51 lines
1.4 KiB
Dart
51 lines
1.4 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_unit/views/components/permanent/circle.dart';
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import '../math_runner.dart';
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/// create by 张风捷特烈 on 2020/10/24
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/// contact me by email 1981462002@qq.com
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/// 说明:
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class PlateLoading extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Container(
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width: 150,
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height: 150,
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child: Stack(alignment: Alignment.center, children: [
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Text('loading ...'),
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MathRunner(
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reverse: false,
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f: (t) => 0.4*cos(t * pi),
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g: (t) => 0.7 * sin(t * pi),
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child: Circle(color: Colors.blue,radius: 8,)),
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MathRunner(
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reverse: false,
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f: (t) => 0.7 * cos(t * pi),
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g: (t) => 1 * sin(t * pi),
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child: Circle(color: Colors.yellow,radius: 8,)),
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MathRunner(
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reverse: false,
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f: (t) => -0.8 *cos(t * pi),
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g: (t) => 1 * sin(t * pi),
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child: Circle(color: Colors.red,radius: 8,)),
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MathRunner(
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reverse: false,
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f: (t) => 1*cos(t * pi),
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g: (t) => 0.7 * sin(t * pi),
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child: Circle(color: Colors.green,radius: 8,)),
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MathRunner(
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reverse: false,
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f: (t) => 1 * cos(t * pi),
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g: (t) => -0.7 * sin(t * pi),
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child: Circle(color: Colors.purple,radius: 8,)),
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]),
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);
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}
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}
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