Initial commit: labirynt 3D pseudo-raycasting game
This commit is contained in:
lukasz@orzechowski.eu
209
lib/main.dart
Normal file
209
lib/main.dart
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@@ -0,0 +1,209 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'maze.dart';
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import 'player.dart';
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import 'raycaster.dart';
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void main() {
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runApp(const LabiryntApp());
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}
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class LabiryntApp extends StatelessWidget {
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const LabiryntApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Labirynt 3D',
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theme: ThemeData.dark(),
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home: const GameScreen(),
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);
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}
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}
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class GameScreen extends StatefulWidget {
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const GameScreen({super.key});
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@override
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State<GameScreen> createState() => _GameScreenState();
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}
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class _GameScreenState extends State<GameScreen> with SingleTickerProviderStateMixin {
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late Maze maze;
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late Player player;
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late AnimationController _controller;
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final Set<LogicalKeyboardKey> _pressedKeys = {};
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bool _won = false;
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int _mazeSize = 15;
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@override
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void initState() {
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super.initState();
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_initGame();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(seconds: 1),
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)..addListener(_gameLoop);
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_controller.repeat();
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}
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void _initGame() {
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if (_mazeSize.isEven) _mazeSize++;
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maze = Maze(_mazeSize, _mazeSize);
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player = Player(x: 1.5, y: 1.5);
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_won = false;
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}
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void _gameLoop() {
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if (_won) return;
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setState(() {
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if (_pressedKeys.contains(LogicalKeyboardKey.keyW) ||
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_pressedKeys.contains(LogicalKeyboardKey.arrowUp)) {
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player.moveForward(maze);
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}
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if (_pressedKeys.contains(LogicalKeyboardKey.keyS) ||
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_pressedKeys.contains(LogicalKeyboardKey.arrowDown)) {
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player.moveBackward(maze);
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}
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if (_pressedKeys.contains(LogicalKeyboardKey.keyA)) {
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player.strafeLeft(maze);
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}
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if (_pressedKeys.contains(LogicalKeyboardKey.keyD)) {
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player.strafeRight(maze);
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}
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if (_pressedKeys.contains(LogicalKeyboardKey.arrowLeft)) {
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player.rotateLeft();
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}
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if (_pressedKeys.contains(LogicalKeyboardKey.arrowRight)) {
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player.rotateRight();
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}
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if (maze.isGoal(player.x, player.y)) {
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_won = true;
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}
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});
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}
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void _newGame() {
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setState(() {
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_mazeSize += 2;
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if (_mazeSize > 31) _mazeSize = 15;
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_initGame();
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});
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: KeyboardListener(
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focusNode: FocusNode()..requestFocus(),
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autofocus: true,
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onKeyEvent: (event) {
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if (event is KeyDownEvent) {
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_pressedKeys.add(event.logicalKey);
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} else if (event is KeyUpEvent) {
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_pressedKeys.remove(event.logicalKey);
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}
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},
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child: Stack(
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children: [
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CustomPaint(
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painter: RaycasterPainter(maze: maze, player: player),
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size: Size.infinite,
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),
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Positioned(
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bottom: 16,
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left: 16,
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child: Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.black54,
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borderRadius: BorderRadius.circular(8),
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),
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child: const Text(
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'WASD / Strzalki — ruch\nCel: zielony punkt na mapie',
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style: TextStyle(color: Colors.white70, fontSize: 14),
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),
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),
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),
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Positioned(
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bottom: 16,
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right: 16,
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child: Column(
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children: [
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_controlButton(Icons.arrow_upward, () => player.moveForward(maze)),
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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_controlButton(Icons.rotate_left, () => player.rotateLeft()),
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const SizedBox(width: 8),
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_controlButton(Icons.rotate_right, () => player.rotateRight()),
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],
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),
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_controlButton(Icons.arrow_downward, () => player.moveBackward(maze)),
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],
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),
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),
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if (_won)
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Container(
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color: Colors.black87,
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child: Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text(
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'WYGRANA!',
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style: TextStyle(
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color: Colors.greenAccent,
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fontSize: 64,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 24),
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Text(
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'Labirynt ${_mazeSize}x$_mazeSize ukonczony',
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style: const TextStyle(color: Colors.white70, fontSize: 24),
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),
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const SizedBox(height: 32),
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ElevatedButton(
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onPressed: _newGame,
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 16),
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),
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child: const Text('Nastepny poziom', style: TextStyle(fontSize: 20)),
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),
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],
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),
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),
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),
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],
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),
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),
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);
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}
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Widget _controlButton(IconData icon, VoidCallback onPressed) {
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return Padding(
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padding: const EdgeInsets.all(2),
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child: GestureDetector(
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onTapDown: (_) => setState(onPressed),
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child: Container(
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width: 56,
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height: 56,
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decoration: BoxDecoration(
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color: Colors.white24,
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(icon, color: Colors.white70, size: 28),
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),
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),
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);
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}
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}
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