New hole approach

This commit is contained in:
DMK
2021-01-14 12:17:27 +03:00
parent 99a7969295
commit bd9855b673
3 changed files with 253 additions and 170 deletions

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@@ -1,189 +1,74 @@
import 'dart:math';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'dart:async';
void main() => runApp(MyApp()); final Color darkBlue = Color.fromARGB(255, 18, 32, 47);
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget { class MyApp extends StatelessWidget {
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return MaterialApp(home: Scaffold(body: App())); return MaterialApp(
theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
debugShowCheckedModeBanner: false,
home: Scaffold(
body: Center(
child: MyWidget(),
),
),
);
} }
} }
class App extends StatefulWidget { class MyWidget extends StatelessWidget {
@override
AppState createState() => AppState();
}
class AppState extends State<App> with SingleTickerProviderStateMixin {
AnimationController _controller;
String param;
double tm;
@override
void initState() {
super.initState();
param = "beginning";
_controller = AnimationController(
duration: Duration(milliseconds: 10000),
vsync: this,
)..addListener(() => contrVal());
}
@override
void dispose() {
_controller?.dispose();
super.dispose();
}
Future _startAnim() async {
try {
await _controller.forward().orCancel;
// await _controller.reverse().orCancel;
} on TickerCanceled {
print('welp we fucked');
}
}
contrVal() {
setState(() {
tm = _controller.value;
if (_controller.value >= 0.2) param = 'two seconds';
if (_controller.value >= 0.5) param = "five seconds";
if (_controller.value >= 1) param = "ten seconds";
});
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return Material( return Transform.rotate(
child: GestureDetector( angle: 0,
onTap: () { child: Scaffold(
_startAnim(); appBar: AppBar(
}, title: Text('Hello, again'),
),
body: Stack(
// fit: StackFit.expand,
children: [
Container(
height: 800,
width: 800,
child: Image.network(
'https://wallpaperplay.com/walls/full/e/5/3/13586.jpg',
fit: BoxFit.cover,
)),
_getOverlay()
])));
}
Widget _getOverlay() {
return ColorFiltered(
colorFilter: ColorFilter.mode(Colors.black54, BlendMode.srcOut),
child: Stack( child: Stack(
fit: StackFit.expand,
children: [ children: [
Image.network( Container(
'https://wallpaperplay.com/walls/full/e/5/3/13586.jpg', decoration: BoxDecoration(
fit: BoxFit.cover, color: Colors.transparent,
), ),
ColorFiltered( child: Align(
colorFilter: ColorFilter.mode(Colors.black.withOpacity(0.8), alignment: Alignment(-0.3, -0.8),
BlendMode.srcOut), // This one will create the magic child: Container(
child: Stack( margin: const EdgeInsets.only(right: 4, bottom: 4),
fit: StackFit.expand, height: 80,
children: [ width: 160,
Container( decoration: BoxDecoration(
decoration: BoxDecoration( color: Colors.black, // Color does not matter but should not be transparent
color: Colors.black, borderRadius: BorderRadius.circular(40),
backgroundBlendMode: BlendMode
.dstOut), // This one will handle background + difference out
), ),
MovingHole(controller: _controller), ),
],
), ),
), ),
Container(
alignment: Alignment.bottomCenter,
child: Text(
"$param - $tm",
style:
TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
))
], ],
), ),
)); );
} }
} }
class MovingHole extends StatelessWidget {
double timeM(double scene) {
int time = 10;
return scene / time;
}
MovingHole({Key key, this.controller})
: scale1 = Tween<double>(begin: 1.0, end: 0.5).animate(
CurvedAnimation(
parent: controller,
curve: Interval(0.05, 0.075, curve: Curves.easeOut),
),
),
scale2 = Tween<double>(begin: 0.5, end: 1.2).animate(
CurvedAnimation(
parent: controller,
curve: const Interval(
0.5,
0.55,
curve: Curves.ease,
),
),
),
move1 = Tween<Offset>(begin: Offset(0, 20), end: Offset(-20, 100))
.animate(CurvedAnimation(
parent: controller,
curve: const Interval(
0.0,
0.1,
curve: Curves.ease,
),
)),
move2 = Tween<Offset>(begin: Offset(50, 100), end: Offset(30, 20))
.animate(CurvedAnimation(
parent: controller,
curve: const Interval(
0.9,
1.0,
curve: Curves.ease,
),
)),
super(key: key);
final AnimationController controller;
final Animation<double> scale1;
final Animation<double> scale2;
final Animation<Offset> move1;
final Animation<Offset> move2;
final Color color = Colors.black;
// final Size size;
@override
Widget build(BuildContext context) {
return AnimatedBuilder(
animation: controller,
builder: (BuildContext context, Widget child) {
return Container(
child: Transform(
alignment: Alignment.center,
transform: Matrix4.identity()
..scale(scale1.value)
..scale(scale2.value)
..translate(
move1.value.dx,
move1.value.dy,
)
..translate(
move2.value.dx,
move2.value.dy,
),
// child: Opacity(
// opacity: opacityAnimation.value,
child: Container(
width: 60.0,
height: 60.0,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: color,
border: Border.all(
color: color,
style: BorderStyle.solid,
width: 4.0 - (2 * controller.value))),
)),
);
});
}
}
// создать переменную, листенером слить текущее значение, на поляне в стеке вывести.
// сколько составляет 0.05 от 10 секунд

198
lib/~~main~~.dart Normal file
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@@ -0,0 +1,198 @@
import 'package:flutter/material.dart';
import 'package:flutter/scheduler.dart';
import 'dart:async';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(home: Scaffold(body: App()));
}
}
class App extends StatefulWidget {
@override
AppState createState() => AppState();
}
class AppState extends State<App> with SingleTickerProviderStateMixin {
AnimationController _controller;
String param;
int playTime = 10;
double tm;
@override
void initState() {
super.initState();
param = "beginning";
_controller = AnimationController(
duration: Duration(seconds: playTime),
vsync: this,
)..addListener(() => contrVal());
}
@override
void dispose() {
_controller?.dispose();
super.dispose();
}
Future _startAnim() async {
try {
_controller.reset();
await _controller.forward().orCancel;
// await _controller.reverse().orCancel;
} on TickerCanceled {
print('welp we fucked');
}
}
contrVal() {
setState(() {
tm = _controller.value;
if (_controller.value >= 0.2) param = 'two seconds';
if (_controller.value >= 0.5) param = "five seconds";
if (_controller.value >= 1) param = "ten seconds";
});
}
@override
Widget build(BuildContext context) {
return Material(
child: GestureDetector(
onTap: () {
_startAnim();
},
child: Stack(
fit: StackFit.expand,
children: [
Image.network(
'https://wallpaperplay.com/walls/full/e/5/3/13586.jpg',
fit: BoxFit.cover,
),
ColorFiltered(
colorFilter:
ColorFilter.mode(Colors.black.withOpacity(0.8), BlendMode.srcOut), // This one will create the magic
child: Stack(
fit: StackFit.expand,
children: [
Container(
decoration: BoxDecoration(
color: Colors.black,
backgroundBlendMode: BlendMode.dstOut), // This one will handle background + difference out
),
// Container(width: 100, height: 100, decoration: BoxDecoration(color: Colors.black)),
MovingHole(
controller: _controller,
time: playTime,
),
],
),
),
Container(
alignment: Alignment.bottomCenter,
child: Text(
"$param",
style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
))
],
),
));
}
}
class MovingHole extends StatefulWidget {
MovingHole({Key key, this.controller, this.time}) : super(key: key);
final int time;
final AnimationController controller;
@override
_MovingHoleState createState() => _MovingHoleState();
}
class _MovingHoleState extends State<MovingHole> {
_MovingHoleState();
AnimationController controller;
List<Animation<double>> scale = [];
List<Animation<Offset>> move = [];
@override
void initState() {
super.initState();
controller = widget.controller;
scale
..add(Tween<double>(begin: 1.0, end: 0.5).animate(
CurvedAnimation(
parent: controller,
curve: Interval(tu(0.5), tu(1.25), curve: Curves.easeOut),
),
))
..add(Tween<double>(begin: 0.5, end: 1.2).animate(
CurvedAnimation(
parent: controller,
curve: Interval(
tu(3.5),
tu(4.0),
curve: Curves.ease,
),
),
));
move
..add(Tween<Offset>(begin: Offset(0, 20), end: Offset(-20, 100)).animate(CurvedAnimation(
parent: controller,
curve: Interval(
tu(0.0),
tu(0.5),
curve: Curves.ease,
),
)))
..add(Tween<Offset>(begin: Offset(50, 100), end: Offset(30, 20)).animate(CurvedAnimation(
parent: controller,
curve: Interval(
0.9,
1.0,
curve: Curves.ease,
),
)));
}
double tu(double value) {
return value / widget.time;
}
@override
Widget build(BuildContext context) {
Matrix4 allMoves = Matrix4.identity();
scale.forEach((item) {
allMoves.scale(item.value);
});
move.forEach((item) {
allMoves.translate(item.value.dx, item.value.dy);
});
return
// AnimatedBuilder(
// animation: controller,
// builder: (BuildContext context, Widget child) {
// return
// // Container(
// child:
Transform(
alignment: Alignment.topLeft,
transform: allMoves,
child: Container(
// width: 60.0,
// height: 10.0,
decoration: BoxDecoration(
shape: BoxShape.rectangle,
color: Colors.black,
// border: Border.all(color: color, style: BorderStyle.solid, width: 4.0 - (2 * controller.value))
// ),
)),
);
// });
}
}
// создать переменную, листенером слить текущее значение, на поляне в стеке вывести.
// сколько составляет 0.05 от 10 секунд

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@@ -8,7 +8,7 @@
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart'; import 'package:flutter_test/flutter_test.dart';
import 'package:moving_hole/main.dart'; import 'package:moving_hole/~~main~~.dart';
void main() { void main() {
testWidgets('Counter increments smoke test', (WidgetTester tester) async { testWidgets('Counter increments smoke test', (WidgetTester tester) async {