Initial commit: labirynt 3D pseudo-raycasting game

lib/maze.dart

@@ -0,0 +1,45 @@
+class Maze {
+  final int width;
+  final int height;
+  late List<List<int>> grid;
+
+  Maze(this.width, this.height) {
+    grid = List.generate(height, (y) => List.generate(width, (x) => 1));
+    _generate();
+  }
+
+  void _generate() {
+    _carve(1, 1);
+    // Ensure start and end are open
+    grid[1][1] = 0;
+    grid[height - 2][width - 2] = 0;
+  }
+
+  void _carve(int x, int y) {
+    grid[y][x] = 0;
+    final dirs = [
+      [0, -2],
+      [0, 2],
+      [-2, 0],
+      [2, 0],
+    ]..shuffle();
+
+    for (final d in dirs) {
+      final nx = x + d[0];
+      final ny = y + d[1];
+      if (ny > 0 && ny < height - 1 && nx > 0 && nx < width - 1 && grid[ny][nx] == 1) {
+        grid[y + d[1] ~/ 2][x + d[0] ~/ 2] = 0;
+        _carve(nx, ny);
+      }
+    }
+  }
+
+  bool isWall(int x, int y) {
+    if (x < 0 || x >= width || y < 0 || y >= height) return true;
+    return grid[y][x] == 1;
+  }
+
+  bool isGoal(double x, double y) {
+    return (x - (width - 2)).abs() < 0.5 && (y - (height - 2)).abs() < 0.5;
+  }
+}