56 lines
1.2 KiB
Dart
56 lines
1.2 KiB
Dart
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import 'dart:math';
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import 'package:flame/components.dart';
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import 'package:flutter/material.dart';
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class GameState extends Component {
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int numCoins = 0;
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int distance = 0;
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late Rect square;
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late Color color = Colors.white;
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int start = 0;
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late ColorTween tween;
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static const int CIRCUIT_PERIOD = 500000;
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@override
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void update(double dt) {
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super.update(dt);
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distance = DateTime.now().microsecondsSinceEpoch - start;
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color = tween.lerp(sin(distance.toDouble() / CIRCUIT_PERIOD))!;
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}
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void addCoin() {
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numCoins++;
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}
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@override
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void render(Canvas c) {
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super.render(c);
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c.drawRect(square, Paint()..color = color);
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}
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Future load(Vector2 size) async {
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square = Rect.fromLTWH(0, 0, size.x, size.y);
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reset();
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}
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void setSize(Vector2 size) {
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square = Rect.fromLTWH(0, 0, size.x, size.y);
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}
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void reset() {
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start = DateTime.now().microsecondsSinceEpoch;
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tween = ColorTween(begin: Colors.yellow, end: Colors.yellowAccent);
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}
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double getVelocity() {
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if (distance > 50000000) {
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return 250.0;
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} else if (distance > 10000000)
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return 175.0;
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else {
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return 100.0;
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}
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}
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}
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