87 lines
2.2 KiB
Dart
87 lines
2.2 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import '../configs/constants.dart';
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//animacja połowy obrotu fiszki
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class HalfFlipAnimation extends StatefulWidget {
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const HalfFlipAnimation({
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required this.secondHalfFlip,
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required this.fistHalfFlipDone,
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required this.child,
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required this.animate,
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required this.reset,
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Key? key,
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}) : super(key: key);
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// zmienna przechowuje info o tym która połowa obrotu to jest
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final bool secondHalfFlip;
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// ta funkcja będzie wywołana gdy pierwsza połowa obrotu fiszki się dokona
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final VoidCallback fistHalfFlipDone;
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final Widget child;
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final bool animate;
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final bool reset;
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@override
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State<HalfFlipAnimation> createState() => _HalfFlipAnimationState();
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}
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class _HalfFlipAnimationState extends State<HalfFlipAnimation>
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with SingleTickerProviderStateMixin {
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late final AnimationController controllerFlipAnimation;
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@override
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void initState() {
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super.initState();
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controllerFlipAnimation = AnimationController(
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duration: const Duration(milliseconds: constHalfFlipDuration),
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vsync: this,
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)..addListener(() {
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if (controllerFlipAnimation.isCompleted) {
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widget.fistHalfFlipDone.call();
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}
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});
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}
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@override
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void dispose() {
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controllerFlipAnimation.dispose();
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super.dispose();
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}
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@override
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void didUpdateWidget(HalfFlipAnimation oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (widget.animate) {
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controllerFlipAnimation.forward();
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}
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if (widget.reset) {
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controllerFlipAnimation.reset();
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}
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}
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@override
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Widget build(BuildContext context) {
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double rotationAdjustment = 0;
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if (widget.secondHalfFlip) {
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rotationAdjustment = pi / 2;
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}
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return AnimatedBuilder(
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animation: controllerFlipAnimation,
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builder: (context, child) {
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final double animationValue = controllerFlipAnimation.value;
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return Transform(
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alignment: Alignment.center,
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transform: Matrix4.identity()
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..setEntry(3, 2, 0.001)
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..rotateY((animationValue * pi) / 2)
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..rotateY(rotationAdjustment),
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child: widget.child,
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);
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},
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);
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}
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}
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