20 lines
681 B
Dart
20 lines
681 B
Dart
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import 'package:flutter/material.dart';
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class ResultModel extends ChangeNotifier {
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double _joule = 0;
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String _energyWater = '0';
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String _energyIron = '0';
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double get getJoule => _joule;
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String get getWater => _energyWater;
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String get getIron => _energyIron;
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void changeJoule(double weight, double sSpeed, double eSpeed, double sHeight,
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double eHeight) {
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_joule = (((weight * 9.8 * sHeight) + ((weight * (sSpeed * sSpeed)) / 2)) - ((weight * 9.8 * eHeight) + ((weight * (eSpeed * eSpeed)) / 2))).abs();
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_energyWater = (_joule / (4186 * 80)).toStringAsFixed(2);
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_energyIron = (_joule / (500 * 680)).toStringAsFixed(2);
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notifyListeners();
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}
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}
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