Added c resize window function

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

.gitignore

@@ -1,3 +1,55 @@
 !.vscode
 **/*.dSYM
 raycaster
+
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+/android/build/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+/coverage/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
+# Generated code
+*.mapper.dart
+*.g.dart
+not_translated.txt

.metadata

@@ -0,0 +1,45 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "6655482ec06e547f90abf8ae7590466f4415978d"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+    - platform: android
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+    - platform: ios
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+    - platform: linux
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+    - platform: macos
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+    - platform: web
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+    - platform: windows
+      create_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+      base_revision: 6655482ec06e547f90abf8ae7590466f4415978d
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

.vscode/launch.json

@@ -1,18 +1,38 @@
 {
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "clang - Build and debug active file",
+      "name": "Flutter",
+      "request": "launch",
+      "type": "dart"
+    },
+    {
+      "name": "Flutter (profile mode)",
+      "request": "launch",
+      "type": "dart",
+      "flutterMode": "profile"
+    },
+    {
+      "name": "Flutter (release mode)",
+      "request": "launch",
+      "type": "dart",
+      "flutterMode": "release"
+    },
+    {
+      "name": "Raycaster (C)",
       "type": "cppdbg",
       "request": "launch",
-      "program": "${fileDirname}/${fileBasenameNoExtension}",
+      "program": "${workspaceFolder}/raycaster",
       "args": [],
       "stopAtEntry": false,
-      "cwd": "${fileDirname}",
+      "cwd": "${workspaceFolder}",
       "environment": [],
       "externalConsole": false,
       "MIMode": "lldb",
-      "preLaunchTask": "C/C++: clang build active file"
+      "preLaunchTask": "Build raycaster"
     }
   ]
 }

.vscode/tasks.json

@@ -1,6 +1,30 @@
 {
   "version": "2.0.0",
   "tasks": [
+    {
+      "type": "cppbuild",
+      "label": "Build raycaster",
+      "command": "/usr/bin/clang",
+      "args": [
+        "-g",
+        "${workspaceFolder}/raycaster.c",
+        "-o",
+        "${workspaceFolder}/raycaster",
+        "-framework",
+        "OpenGL",
+        "-framework",
+        "GLUT",
+        "-Wno-deprecated-declarations"
+      ],
+      "options": {
+        "cwd": "${workspaceFolder}"
+      },
+      "problemMatcher": [
+        "$gcc"
+      ],
+      "group": "build",
+      "detail": "Builds raycaster.c explicitly"
+    },
     {
       "type": "cppbuild",
       "label": "C/C++: clang build active file",

analysis_options.yaml

@@ -0,0 +1,11 @@
+include: package:arcane_analysis/analysis_options.yaml
+
+analyzer:
+  exclude:
+    - build/**
+    - android/**
+    - ios/**
+    - web/**
+    - windows/**
+    - macos/**
+    - linux/**

lib/main.dart

@@ -0,0 +1,791 @@
+import "dart:math" as math;
+
+import "package:flutter/services.dart";
+import "package:flutter/widgets.dart";
+
+// dart format off
+const List<int> map = [
+   1,1,1,1,1,1,1,1,
+   1,0,0,0,0,0,0,1,
+   1,0,1,0,0,0,0,1,
+   1,0,1,0,0,0,0,1,
+   1,0,0,0,0,0,0,1,
+   1,0,0,0,0,2,0,1,
+   1,0,0,0,0,0,0,1,
+   1,1,1,1,1,1,1,1,
+];
+// dart format on
+
+const int mapX = 8;
+const int mapY = 8;
+const int mapSize = 32;
+
+const double gameWidth = 320;
+const double gameHeight = 256;
+
+void main() {
+  runApp(const MainApp());
+}
+
+class MainApp extends StatefulWidget {
+  const MainApp({super.key});
+
+  @override
+  State<MainApp> createState() => _MainAppState();
+}
+
+class _MainAppState extends State<MainApp> {
+  RayData rayData = const RayData(
+    playerAngle: 0,
+    playerPosition: Offset.zero,
+    rays: [],
+  );
+
+  @override
+  Widget build(BuildContext context) {
+    return Directionality(
+      textDirection: TextDirection.ltr,
+      child: LayoutBuilder(
+        builder: (context, constraints) => Row(
+          spacing: mapSize / 1,
+          textDirection: TextDirection.ltr,
+          children: [
+            Flexible(
+              child: Transform.translate(
+                offset: const Offset(16, 0),
+                child: Center(
+                  child: FittedBox(
+                    fit: BoxFit.contain,
+                    child: Stack(
+                      children: [
+                        Map(rayData),
+                        Player(
+                          onAngleUpdated: (angle) {
+                            setState(() {
+                              rayData = rayData.copyWith(
+                                playerAngle: angle,
+                              );
+                            });
+                          },
+                          onPositionUpdated: (position) {
+                            setState(() {
+                              rayData = rayData.copyWith(
+                                playerPosition: position,
+                              );
+                            });
+                          },
+                          onRaysUpdated: (rays) {
+                            setState(() {
+                              rayData = rayData.copyWith(
+                                rays: rays,
+                              );
+                            });
+                          },
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ),
+            ),
+            Flexible(
+              flex: 3,
+              child: Stack(
+                children: [
+                  const Background(),
+                  Walls(rayData),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+// * Player
+class Player extends StatefulWidget {
+  const new({
+    required this.onRaysUpdated,
+    required this.onAngleUpdated,
+    required this.onPositionUpdated,
+    super.key,
+  });
+
+  final ValueChanged<List<Ray>> onRaysUpdated;
+  final ValueChanged<double> onAngleUpdated;
+  final ValueChanged<Offset> onPositionUpdated;
+
+  @override
+  State<Player> createState() => _PlayerState();
+}
+
+class _PlayerState extends State<Player> {
+  late final FocusNode _focusNode;
+
+  double playerAngle = 0;
+  double get playerDeltaX => math.cos(playerAngle) * 5;
+  double get playerDeltaY => math.sin(playerAngle) * 5;
+
+  Offset get playerDelta => Offset(playerDeltaX, playerDeltaY);
+
+  Offset playerPosition = const Offset(1.5 * mapSize, 1.5 * mapSize);
+
+  @override
+  void initState() {
+    super.initState();
+    _focusNode = FocusNode()..requestFocus();
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      widget.onRaysUpdated(calculateRays(playerPosition, playerDelta));
+      widget.onAngleUpdated(playerAngle);
+      widget.onPositionUpdated(playerPosition);
+    });
+  }
+
+  @override
+  void dispose() {
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  List<Ray> calculateRays(Offset offset, Offset delta) {
+    const double dr = math.pi / 180;
+
+    final List<Ray> rays = [];
+
+    int dof;
+    int mx;
+    int my;
+    int mapPoint;
+
+    double yo = 1;
+    double xo = 1;
+
+    final Offset playerCenter = offset + const Offset(4, 4);
+
+    double rayX = 0;
+    double rayY = 0;
+    double disT = 0;
+
+    double rayAngle = delta.direction - (dr * 30);
+
+    if (rayAngle < 0) {
+      rayAngle += 2 * math.pi;
+    }
+    if (rayAngle > 2 * math.pi) {
+      rayAngle -= 2 * math.pi;
+    }
+
+    int r;
+    for (r = 0; r < 60; r++) {
+      // * --- Check Horizontal Lines ---
+      dof = 0;
+      double distanceHor = 1000000;
+      double hx = playerCenter.dx;
+      double hy = playerCenter.dy;
+
+      // Negative inverse of tangent
+      final double aTan = -1.0 / math.tan(rayAngle);
+
+      // ? Looking up (ray angle > π)
+      if (rayAngle > math.pi) {
+        rayY = ((playerCenter.dy / mapSize).floorToDouble() * mapSize) - 0.0001;
+
+        rayX = (playerCenter.dy - rayY) * aTan + playerCenter.dx;
+
+        yo = -mapSize / 1;
+        xo = -yo * aTan;
+      }
+
+      // ? Looking down
+      if (rayAngle < math.pi) {
+        rayY =
+            ((playerCenter.dy / mapSize).floorToDouble() * mapSize) + mapSize;
+
+        rayX = (playerCenter.dy - rayY) * aTan + playerCenter.dx;
+
+        yo = mapSize / 1;
+        xo = -yo * aTan;
+      }
+
+      // ? Looking straight left or right
+      if (rayAngle == 0.0 || rayAngle == math.pi) {
+        // It's impossible to ever hit a horizontal line
+        rayX = playerCenter.dx;
+        rayY = playerCenter.dy;
+        dof = 8;
+      }
+
+      int mv = 0;
+      int mh = 0;
+
+      while (dof < 8) {
+        mx = rayX ~/ mapSize;
+        my = rayY ~/ mapSize;
+
+        mapPoint = my * mapX + mx;
+
+        if (mapPoint > 0 && mapPoint < mapX * mapY && map[mapPoint] > 0) {
+          // We hit a wall!
+
+          mh = map[mapPoint];
+
+          hx = rayX;
+          hy = rayY;
+          distanceHor = dist(
+            playerCenter.dx,
+            playerCenter.dy,
+            hx,
+            hy,
+            rayAngle,
+          );
+
+          dof = 8;
+        } else {
+          rayX += xo;
+          rayY += yo;
+          dof += 1;
+        }
+      }
+
+      // * --- Check Vertical Lines ---
+      dof = 0;
+      double distanceVert = 1000000;
+      double vx = playerCenter.dx;
+      double vy = playerCenter.dy;
+
+      // Negative of tangent
+      final double nTan = -math.tan(rayAngle);
+
+      const double pi2 = math.pi / 2;
+      const double pi3 = 3 * math.pi / 2;
+
+      // ? Looking left
+      if (rayAngle > pi2 && rayAngle < pi3) {
+        rayX = ((playerCenter.dx / mapSize).floorToDouble() * mapSize) - 0.0001;
+        rayY = (playerCenter.dx - rayX) * nTan + playerCenter.dy;
+        xo = -mapSize / 1;
+        yo = -xo * nTan;
+      }
+
+      // ? Looking right
+      if (rayAngle < pi2 || rayAngle > pi3) {
+        rayX =
+            ((playerCenter.dx / mapSize).floorToDouble() * mapSize) + mapSize;
+        rayY = (playerCenter.dx - rayX) * nTan + playerCenter.dy;
+        xo = mapSize / 1;
+        yo = -xo * nTan;
+      }
+
+      // ? Looking straight up or down
+      if (rayAngle == pi2 || rayAngle == pi3) {
+        rayX = playerCenter.dx;
+        rayY = playerCenter.dy;
+        dof = 8;
+      }
+
+      while (dof < 8) {
+        mx = rayX ~/ mapSize;
+        my = rayY ~/ mapSize;
+
+        mapPoint = my * mapX + mx;
+
+        if (mapPoint > 0 && mapPoint < mapX * mapY && map[mapPoint] > 0) {
+          // We hit a wall!
+
+          mv = map[mapPoint];
+
+          // Save the values and calculate the distance from the player
+          vx = rayX;
+          vy = rayY;
+          distanceVert = dist(
+            playerCenter.dx,
+            playerCenter.dy,
+            vx,
+            vy,
+            rayAngle,
+          );
+
+          dof = 8; // Break the loop - no need to calculate more.
+        } else {
+          // If we didn't hit a wall, we check the next horizontal line by adding
+          // the x and y offset.
+          rayX += xo;
+          rayY += yo;
+          dof += 1;
+        }
+      }
+
+      Color wallColor = const Color.fromRGBO(0, 0, 0, 0);
+
+      if (distanceVert < distanceHor) {
+        rayX = vx;
+        rayY = vy;
+        disT = distanceVert;
+        // Vertical walls are drawn a little brighter than horizontal walls
+        wallColor = const Color.fromRGBO(230, 0, 0, 1);
+
+        if (mv == 2) {
+          wallColor = const Color.fromRGBO(0, 179, 0, 1);
+        }
+
+        rays.add(Ray(Offset(rayX, rayY), disT, wallColor));
+      }
+
+      if (distanceHor < distanceVert) {
+        rayX = hx;
+        rayY = hy;
+        disT = distanceHor;
+        // Horizontal walls are drawn a little darker than vertical walls
+        wallColor = const Color.fromRGBO(179, 0, 0, 1);
+
+        if (mh == 2) {
+          wallColor = const Color.fromRGBO(0, 102, 0, 1);
+        }
+
+        rays.add(Ray(Offset(rayX, rayY), disT, wallColor));
+      }
+
+      // * Increase the ray angle to draw the next ray
+      rayAngle += dr;
+
+      if (rayAngle < 0) {
+        rayAngle += 2 * math.pi;
+      }
+      if (rayAngle > 2 * math.pi) {
+        rayAngle -= 2 * math.pi;
+      }
+    }
+
+    return rays;
+  }
+
+  double dist(double ax, double ay, double bx, double by, double ang) {
+    return math.sqrt((bx - ax) * (bx - ax) + (by - ay) * (by - ay));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // TODO: Use HardwareKeyboard
+    return Focus(
+      focusNode: _focusNode,
+      onKeyEvent: (FocusNode node, value) {
+        if (value is! KeyDownEvent && value is! KeyRepeatEvent) {
+          return KeyEventResult.ignored;
+        }
+
+        final LogicalKeyboardKey key = value.logicalKey;
+        bool handled = false;
+
+        if (key == LogicalKeyboardKey.keyA) {
+          // Move left
+          playerAngle -= 0.1;
+          if (playerAngle < 0) {
+            playerAngle += 2 * math.pi;
+          }
+          handled = true;
+        } else if (key == LogicalKeyboardKey.keyD) {
+          // Move right
+          playerAngle += 0.1;
+
+          if (playerAngle > 2 * math.pi) {
+            playerAngle -= 2 * math.pi;
+          }
+          handled = true;
+        } else if (key == LogicalKeyboardKey.keyW) {
+          // Move forward
+          playerPosition += playerDelta;
+          handled = true;
+        } else if (key == LogicalKeyboardKey.keyS) {
+          // Move backwwards
+          playerPosition -= playerDelta;
+          handled = true;
+        }
+
+        if (handled) {
+          widget.onRaysUpdated(calculateRays(playerPosition, playerDelta));
+          widget.onAngleUpdated(playerAngle);
+          widget.onPositionUpdated(playerPosition);
+          return KeyEventResult.handled;
+        }
+
+        return KeyEventResult.ignored;
+      },
+      child: CustomPaint(
+        painter: PlayerPainter(
+          offset: playerPosition,
+          delta: playerDelta,
+        ),
+      ),
+    );
+  }
+}
+
+class PlayerPainter extends CustomPainter {
+  final Offset offset;
+  final Offset delta;
+
+  const new({
+    required this.offset,
+    required this.delta,
+  });
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    // Player dot
+    canvas.drawRect(
+      Rect.fromLTWH(offset.dx, offset.dy, 8, 8),
+      Paint()..color = const Color.fromRGBO(255, 255, 0, 1),
+    );
+
+    // Player direction line
+    canvas.drawLine(
+      offset + const Offset(4, 4),
+      offset + const Offset(4, 4) + (delta * 5),
+      Paint()
+        ..color = const Color.fromRGBO(255, 255, 0, 1)
+        ..strokeWidth = 2,
+    );
+  }
+
+  @override
+  bool shouldRepaint(covariant oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(covariant oldDelegate) => false;
+}
+
+// * Walls
+
+class Walls extends StatelessWidget {
+  const new(this.rayData, {super.key});
+
+  final RayData rayData;
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (context, constraints) => ClipRect(
+        child: CustomPaint(
+          size: constraints.biggest,
+          painter: WallPainter(
+            playerAngle: rayData.playerAngle,
+            rayData: rayData.rays,
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class WallPainter extends CustomPainter {
+  final double playerAngle;
+  final List<Ray> rayData;
+
+  const new({
+    required this.playerAngle,
+
+    required this.rayData,
+  });
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final double scale = math.max(
+      size.width / gameWidth,
+      size.height / gameHeight,
+    );
+    final double offsetX = (size.width - gameWidth * scale) / 2;
+    final double offsetY = (size.height - gameHeight * scale) / 2;
+
+    canvas
+      ..save()
+      ..translate(offsetX, offsetY)
+      ..scale(scale);
+
+    for (int i = 0; i < rayData.length; i++) {
+      final Ray ray = rayData[i];
+
+      // * --- Draw 3D Walls ---
+      // Correct the fish-eye effect
+      const double dr = math.pi / 180;
+      final double rayAngle = playerAngle - (dr * 30) + (i * dr);
+
+      double correctedAngle = playerAngle - rayAngle;
+      if (correctedAngle < 0) {
+        correctedAngle += 2 * math.pi;
+      }
+      if (correctedAngle > 2 * math.pi) {
+        correctedAngle -= 2 * math.pi;
+      }
+
+      final double disT = ray.distance * math.cos(correctedAngle);
+
+      double lineHeight = (mapSize * gameHeight) / disT;
+      if (lineHeight > gameHeight) {
+        lineHeight = gameHeight;
+      }
+      if (lineHeight > gameWidth) {
+        lineHeight = gameWidth;
+      }
+
+      final double lineOffset = (gameHeight / 2.0) - (lineHeight / 2.0);
+
+      final double rayWidth = gameWidth / rayData.length;
+      final double rayX3D = i * rayWidth;
+
+      canvas.drawRect(
+        Rect.fromLTWH(rayX3D, lineOffset, rayWidth, lineHeight),
+        Paint()
+          ..color = ray.paintColor
+          ..isAntiAlias = false
+          ..strokeWidth = 1.5,
+      );
+    }
+
+    canvas.restore();
+  }
+
+  @override
+  bool shouldRepaint(covariant oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(covariant oldDelegate) => false;
+}
+
+// * Map
+class Map extends StatelessWidget {
+  const new(
+    this.rayData, {
+    super.key,
+  });
+
+  final RayData rayData;
+
+  @override
+  Widget build(BuildContext context) {
+    const double width = mapX * mapSize / 1;
+    const double height = mapY * mapSize / 1;
+
+    return Stack(
+      children: [
+        const CustomPaint(
+          size: Size(width, height),
+          painter: MapPainter(
+            mapData: map,
+            mapX: mapX,
+            mapY: mapY,
+            tileSize: mapSize / 1,
+          ),
+        ),
+
+        CustomPaint(
+          painter: MapRayPainter(
+            rayData: rayData,
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class MapPainter extends CustomPainter {
+  final List<int> mapData;
+  final int mapX;
+  final int mapY;
+  final double tileSize;
+
+  const new({
+    required this.mapData,
+    required this.mapX,
+    required this.mapY,
+    required this.tileSize,
+  });
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final paintWhite = Paint()..color = const Color.fromRGBO(255, 255, 255, 1);
+    final paintBlack = Paint()..color = const Color.fromRGBO(0, 0, 0, 1);
+    final paintGrey = Paint()..color = const Color.fromRGBO(84, 84, 84, 1);
+
+    canvas.drawRect(
+      Rect.fromLTWH(0, 0, tileSize * mapX, tileSize * mapY),
+      paintGrey,
+    );
+
+    for (int i = 0; i < mapData.length; i++) {
+      final double x = (i % mapX) * tileSize;
+      final double y = (i ~/ mapX) * tileSize;
+
+      canvas.drawRect(
+        Rect.fromLTWH(x, y, tileSize - 1, tileSize - 1),
+        mapData[i] == 0 ? paintBlack : paintWhite,
+      );
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(covariant oldDelegate) => false;
+}
+
+class MapRayPainter extends CustomPainter {
+  final RayData rayData;
+
+  const new({
+    required this.rayData,
+  });
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final Offset playerCenter = rayData.playerPosition + const Offset(4, 4);
+
+    for (final Ray ray in rayData.rays) {
+      canvas.drawLine(
+        playerCenter,
+        ray.hitPosition - const Offset(1, 1),
+        Paint()
+          ..color = const Color.fromRGBO(0, 255, 255, 1)
+          ..strokeWidth = 1,
+      );
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(covariant oldDelegate) => false;
+}
+
+// * Background
+class Background extends StatelessWidget {
+  const new({
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (context, constraints) => Stack(
+        textDirection: TextDirection.ltr,
+        children: [
+          CustomPaint(
+            size: constraints.biggest,
+            painter: Ceiling(),
+          ),
+          CustomPaint(
+            size: constraints.biggest,
+            painter: Floor(),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class Ceiling extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size size) {
+    final Rect rect = Offset.zero & size;
+    final double halfHeight = rect.height / 2;
+    final Rect topHalf = Rect.fromLTWH(
+      rect.left,
+      rect.top,
+      rect.width,
+      halfHeight,
+    );
+
+    const LinearGradient gradient = LinearGradient(
+      begin: Alignment.topCenter,
+      end: Alignment.bottomCenter,
+      colors: [
+        Color.fromRGBO(32, 32, 32, 1.0),
+        Color.fromRGBO(96, 96, 96, 1.0),
+      ],
+      stops: [0.0, 1.0],
+    );
+    canvas.drawRect(
+      topHalf,
+      Paint()..shader = gradient.createShader(topHalf),
+    );
+  }
+
+  @override
+  bool shouldRepaint(covariant oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(covariant oldDelegate) => false;
+}
+
+class Floor extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size size) {
+    final Rect rect = Offset.zero & size;
+    final double halfHeight = rect.height / 2;
+    final Rect bottomHalf = Rect.fromLTWH(
+      rect.left,
+      halfHeight,
+      rect.width,
+      rect.bottom,
+    );
+
+    const LinearGradient gradient = LinearGradient(
+      begin: Alignment.topCenter,
+      end: Alignment.bottomCenter,
+      colors: [
+        Color.fromRGBO(32, 32, 0, 1.0),
+        Color.fromRGBO(96, 96, 0, 1.0),
+      ],
+      stops: [0.0, 1.0],
+    );
+    canvas.drawRect(
+      bottomHalf,
+      Paint()..shader = gradient.createShader(bottomHalf),
+    );
+  }
+
+  @override
+  bool shouldRepaint(covariant oldDelegate) => false;
+  @override
+  bool shouldRebuildSemantics(covariant oldDelegate) => false;
+}
+
+// * Ray Data
+class Ray(
+  /// Where it hit on the 2D map
+  var Offset hitPosition,
+
+  /// Corrected 3D distance
+  var double distance,
+
+  /// Wall color
+  var Color paintColor,
+);
+
+class RayData {
+  /// The direction the player is facing
+  final double playerAngle;
+
+  /// The player's position
+  final Offset playerPosition;
+
+  /// The rays cast from the player
+  final List<Ray> rays;
+
+  const RayData({
+    required this.playerAngle,
+    required this.playerPosition,
+    required this.rays,
+  });
+
+  RayData copyWith({
+    double? playerAngle,
+    Offset? playerPosition,
+    List<Ray>? rays,
+  }) {
+    return RayData(
+      playerAngle: playerAngle ?? this.playerAngle,
+      playerPosition: playerPosition ?? this.playerPosition,
+      rays: rays ?? this.rays,
+    );
+  }
+}

macos/.gitignore

@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/

macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,10 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+}

macos/Runner.xcodeproj/project.pbxproj

@@ -0,0 +1,729 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXAggregateTarget section */
+		33CC111A2044C6BA0003C045 /* Flutter Assemble */ = {
+			isa = PBXAggregateTarget;
+			buildConfigurationList = 33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */;
+			buildPhases = (
+				33CC111E2044C6BF0003C045 /* ShellScript */,
+			);
+			dependencies = (
+			);
+			name = "Flutter Assemble";
+			productName = FLX;
+		};
+/* End PBXAggregateTarget section */
+
+/* Begin PBXBuildFile section */
+		331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C80D7294CF71000263BE5 /* RunnerTests.swift */; };
+		335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
+		33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
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+		33CC10F62044A3C60003C045 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F42044A3C60003C045 /* MainMenu.xib */; };
+		33CC11132044BFA00003C045 /* MainFlutterWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC11122044BFA00003C045 /* MainFlutterWindow.swift */; };
+		78A318202AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage in Frameworks */ = {isa = PBXBuildFile; productRef = 78A3181F2AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
+		331C80D9294CF71000263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 33CC10EC2044A3C60003C045;
+			remoteInfo = Runner;
+		};
+		33CC111F2044C79F0003C045 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 33CC111A2044C6BA0003C045;
+			remoteInfo = FLX;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		33CC110E2044A8840003C045 /* Bundle Framework */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Bundle Framework";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		331C80D5294CF71000263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		331C80D7294CF71000263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
+		333000ED22D3DE5D00554162 /* Warnings.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Warnings.xcconfig; sourceTree = "<group>"; };
+		335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeneratedPluginRegistrant.swift; sourceTree = "<group>"; };
+		33CC10ED2044A3C60003C045 /* raycaster.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "raycaster.app"; sourceTree = BUILT_PRODUCTS_DIR; };
+		33CC10F02044A3C60003C045 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
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+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
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+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		33CC10EA2044A3C60003C045 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
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+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		331C80D6294CF71000263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
+			children = (
+				331C80D7294CF71000263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
+		33BA886A226E78AF003329D5 /* Configs */ = {
+			isa = PBXGroup;
+			children = (
+				33E5194F232828860026EE4D /* AppInfo.xcconfig */,
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+				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
+				333000ED22D3DE5D00554162 /* Warnings.xcconfig */,
+			);
+			path = Configs;
+			sourceTree = "<group>";
+		};
+		33CC10E42044A3C60003C045 = {
+			isa = PBXGroup;
+			children = (
+				33FAB671232836740065AC1E /* Runner */,
+				33CEB47122A05771004F2AC0 /* Flutter */,
+				331C80D6294CF71000263BE5 /* RunnerTests */,
+				33CC10EE2044A3C60003C045 /* Products */,
+				D73912EC22F37F3D000D13A0 /* Frameworks */,
+			);
+			sourceTree = "<group>";
+		};
+		33CC10EE2044A3C60003C045 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				33CC10ED2044A3C60003C045 /* raycaster.app */,
+				331C80D5294CF71000263BE5 /* RunnerTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		33CC11242044D66E0003C045 /* Resources */ = {
+			isa = PBXGroup;
+			children = (
+				33CC10F22044A3C60003C045 /* Assets.xcassets */,
+				33CC10F42044A3C60003C045 /* MainMenu.xib */,
+				33CC10F72044A3C60003C045 /* Info.plist */,
+			);
+			name = Resources;
+			path = ..;
+			sourceTree = "<group>";
+		};
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+			children = (
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+			);
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+		};
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+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
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+				DEAD_CODE_STRIPPING = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
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+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
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+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
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+				GCC_NO_COMMON_BLOCKS = YES;
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+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
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+				GCC_WARN_UNUSED_VARIABLE = YES;
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+				MTL_ENABLE_DEBUG_INFO = YES;
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+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
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+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
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+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
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+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CODE_SIGN_IDENTITY = "-";
+				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
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+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
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+				);
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+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
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+				SWIFT_VERSION = 5.0;
+			};
+			name = Release;
+		};
+		33CC111C2044C6BA0003C045 /* Debug */ = {
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+			buildSettings = {
+				CODE_SIGN_STYLE = Manual;
+				PRODUCT_NAME = "$(TARGET_NAME)";
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+			name = Debug;
+		};
+		33CC111D2044C6BA0003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C80DB294CF71000263BE5 /* Debug */,
+				331C80DC294CF71000263BE5 /* Release */,
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+			defaultConfigurationName = Release;
+		};
+		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
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+			buildConfigurations = (
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+				33CC10FA2044A3C60003C045 /* Release */,
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+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
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+				33CC10FD2044A3C60003C045 /* Release */,
+				338D0CEA231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */ = {
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+			buildConfigurations = (
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+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+
+/* Begin XCLocalSwiftPackageReference section */
+		781AD8BC2B33823900A9FFBB /* XCLocalSwiftPackageReference "Flutter/ephemeral/Packages/FlutterGeneratedPluginSwiftPackage" */ = {
+			isa = XCLocalSwiftPackageReference;
+			relativePath = Flutter/ephemeral/Packages/FlutterGeneratedPluginSwiftPackage;
+		};
+/* End XCLocalSwiftPackageReference section */
+
+/* Begin XCSwiftPackageProductDependency section */
+		78A3181F2AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = FlutterGeneratedPluginSwiftPackage;
+		};
+/* End XCSwiftPackageProductDependency section */
+	};
+	rootObject = 33CC10E52044A3C60003C045 /* Project object */;
+}

macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <PreActions>
+         <ExecutionAction
+            ActionType = "Xcode.IDEStandardExecutionActionsCore.ExecutionActionType.ShellScriptAction">
+            <ActionContent
+               title = "Run Prepare Flutter Framework Script"
+               scriptText = "&quot;$FLUTTER_ROOT&quot;/packages/flutter_tools/bin/macos_assemble.sh prepare&#10;">
+               <EnvironmentBuildable>
+                  <BuildableReference
+                     BuildableIdentifier = "primary"
+                     BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+                     BuildableName = "raycaster.app"
+                     BlueprintName = "Runner"
+                     ReferencedContainer = "container:Runner.xcodeproj">
+                  </BuildableReference>
+               </EnvironmentBuildable>
+            </ActionContent>
+         </ExecutionAction>
+      </PreActions>
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+               BuildableName = "raycaster.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "raycaster.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "raycaster.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "raycaster.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

macos/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>

macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

macos/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import Cocoa
+import FlutterMacOS
+
+@main
+class AppDelegate: FlutterAppDelegate {
+  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+    return true
+  }
+
+  override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+    return true
+  }
+}

macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_16.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_64.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_128.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_1024.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

macos/Runner/Base.lproj/MainMenu.xib

@@ -0,0 +1,343 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
+            <connections>
+                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
+            <connections>
+                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
+                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+            <items>
+                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
+                        <items>
+                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
+                            <menuItem title="Services" id="NMo-om-nkz">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
+                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
+                                <connections>
+                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Show All" id="Kd2-mp-pUS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
+                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
+                                <connections>
+                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Edit" id="5QF-Oa-p0T">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
+                        <items>
+                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
+                                <connections>
+                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
+                                <connections>
+                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
+                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
+                                <connections>
+                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
+                                <connections>
+                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
+                                <connections>
+                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Delete" id="pa3-QI-u2k">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
+                                <connections>
+                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
+                            <menuItem title="Find" id="4EN-yA-p0u">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
+                                    <items>
+                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
+                                            <connections>
+                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
+                                    <items>
+                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
+                                            <connections>
+                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
+                                            <connections>
+                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
+                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Substitutions" id="9ic-FL-obx">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
+                                    <items>
+                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
+                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Links" id="cwL-P1-jid">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
+                                    <items>
+                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Speech" id="xrE-MZ-jX0">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
+                                    <items>
+                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="View" id="H8h-7b-M4v">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="View" id="HyV-fh-RgO">
+                        <items>
+                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
+                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                <connections>
+                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Window" id="aUF-d1-5bR">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
+                        <items>
+                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
+                                <connections>
+                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Zoom" id="R4o-n2-Eq4">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
+                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Help" id="EPT-qC-fAb">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
+                </menuItem>
+            </items>
+            <point key="canvasLocation" x="142" y="-258"/>
+        </menu>
+        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
+            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
+                <autoresizingMask key="autoresizingMask"/>
+            </view>
+        </window>
+    </objects>
+</document>

macos/Runner/Configs/AppInfo.xcconfig

@@ -0,0 +1,14 @@
+// Application-level settings for the Runner target.
+//
+// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
+// future. If not, the values below would default to using the project name when this becomes a
+// 'flutter create' template.
+
+// The application's name. By default this is also the title of the Flutter window.
+PRODUCT_NAME = raycaster
+
+// The application's bundle identifier
+PRODUCT_BUNDLE_IDENTIFIER = com.example.raycaster
+
+// The copyright displayed in application information
+PRODUCT_COPYRIGHT = Copyright © 2026 com.example. All rights reserved.

macos/Runner/Configs/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Debug.xcconfig"
+#include "Warnings.xcconfig"

macos/Runner/Configs/Release.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Release.xcconfig"
+#include "Warnings.xcconfig"

macos/Runner/Configs/Warnings.xcconfig

@@ -0,0 +1,13 @@
+WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
+GCC_WARN_UNDECLARED_SELECTOR = YES
+CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
+CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
+CLANG_WARN_PRAGMA_PACK = YES
+CLANG_WARN_STRICT_PROTOTYPES = YES
+CLANG_WARN_COMMA = YES
+GCC_WARN_STRICT_SELECTOR_MATCH = YES
+CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
+GCC_WARN_SHADOW = YES
+CLANG_WARN_UNREACHABLE_CODE = YES

macos/Runner/DebugProfile.entitlements

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>

macos/Runner/Info.plist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>$(PRODUCT_COPYRIGHT)</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

macos/Runner/MainFlutterWindow.swift

@@ -0,0 +1,15 @@
+import Cocoa
+import FlutterMacOS
+
+class MainFlutterWindow: NSWindow {
+  override func awakeFromNib() {
+    let flutterViewController = FlutterViewController()
+    let windowFrame = self.frame
+    self.contentViewController = flutterViewController
+    self.setFrame(windowFrame, display: true)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+  }
+}

macos/Runner/Release.entitlements

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+</dict>
+</plist>

macos/RunnerTests/RunnerTests.swift

@@ -0,0 +1,12 @@
+import Cocoa
+import FlutterMacOS
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}

pubspec.yaml

@@ -0,0 +1,19 @@
+name: raycaster
+description: "A new Flutter project."
+publish_to: "none"
+version: 0.1.0+1
+
+environment:
+  sdk: ^3.13.1
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+dev_dependencies:
+  arcane_analysis: ^1.0.5
+  flutter_test:
+    sdk: flutter
+
+flutter:
+  uses-material-design: true

raycaster.c

@@ -7,14 +7,47 @@
 #define PI3 3 * PI / 2
 #define DR 0.0174533f // One degree in radians
 
+#define gameWidth 320
+#define gameHeight 256
+
+#define GAP 20
+
+#define MAP_WIDTH (mapX * mapSize)
+#define MAP_HEIGHT (mapY * mapSize)
+#define TOTAL_WIDTH (MAP_WIDTH + GAP + gameWidth)
+#define TOTAL_HEIGHT (MAP_HEIGHT > gameHeight ? MAP_HEIGHT : gameHeight)
+
 // 0°    => 0    radians  (RIGHT)
 // 90°   => π/2  radians  (TOP)
 // 180°  => π    radians  (LEFT)
 // 270°  => 3π/2 radians  (BOTTOM)
 // 360°  => 2π   radians  (RIGHT)
 
-// * Player position (px, py), delta (pdx, pdy), and angle (pa)
-float px, py, pdx, pdy, pa;
+// * Define the world
+int mapX = 8, mapY = 8, mapSize = 32;
+
+// clang-format off
+int map[] =
+{
+   1,1,1,1,1,1,1,1,
+   1,0,0,0,0,0,0,1,
+   1,0,1,0,0,0,0,1,
+   1,0,1,0,0,0,0,1,
+   1,0,0,0,0,0,0,1,
+   1,0,0,0,0,2,0,1,
+   1,0,0,0,0,0,0,1,
+   1,1,1,1,1,1,1,1,
+};
+// clang-format on
+
+// Function to check if a number is a power of 2
+int isPowerOfTwo(int n)
+{
+  return (n > 0) && ((n & (n - 1)) == 0);
+}
+
+// * Player position (playerX, playerY), delta (playerDeltaX, playerDeltaY), and angle (pa)
+float playerX, playerY, playerDeltaX, playerDeltaY, playerAngle;
 
 // * Draw the player on the screen
 void drawPlayer()
@@ -23,44 +56,28 @@ void drawPlayer()
   glColor3f(1, 1, 0);
   glPointSize(8);
   glBegin(GL_POINTS);
-  glVertex2i(px, py);
+  glVertex2i(playerX, playerY);
   glEnd();
 
   // Draws the player direction
   glLineWidth(3);
   glBegin(GL_LINES);
-  glVertex2i(px, py);
-  glVertex2i(px + pdx * 5, py + pdy * 5);
+  glVertex2i(playerX, playerY);
+  glVertex2i(playerX + playerDeltaX * 5, playerY + playerDeltaY * 5);
   glEnd();
 }
 
-// * Define the world
-int mapX = 8, mapY = 8, mapS = 64;
-
-// clang-format off
-int map[] =
-{
-   1,1,1,1,1,1,1,1,
-   1,0,1,0,0,0,0,1,
-   1,0,1,0,0,0,0,1,
-   1,0,1,0,0,0,0,1,
-   1,0,0,0,0,0,0,1,
-   1,0,0,0,0,1,0,1,
-   1,0,0,0,0,0,0,1,
-   1,1,1,1,1,1,1,1,
-};
-// clang-format on
-
 // * Draws the top-down map with white alls and black floors
 void drawMap2D()
 {
+  int gridMapSize = mapSize;
   int x, y, xo, yo;
   for (y = 0; y < mapY; y++)
   {
     for (x = 0; x < mapX; x++)
     {
-      // Check if it's a wall (e.g., 1)
-      if (map[y * mapX + x] == 1)
+      // Check if it's a wall
+      if (map[y * mapX + x] > 0)
       {
         // Color walls (white)
         glColor3f(1, 1, 1);
@@ -71,15 +88,15 @@ void drawMap2D()
         glColor3f(0, 0, 0);
       }
 
-      xo = x * mapS;
-      yo = y * mapS;
+      xo = x * gridMapSize;
+      yo = y * gridMapSize;
       glBegin(GL_QUADS);
 
       // Draw each block; the +-1 creates the outline
       glVertex2i(xo + 1, yo + 1);
-      glVertex2i(xo + 1, yo + mapS - 1);
-      glVertex2i(xo + mapS - 1, yo + mapS - 1);
-      glVertex2i(xo + mapS - 1, yo + 1);
+      glVertex2i(xo + 1, yo + gridMapSize - 1);
+      glVertex2i(xo + gridMapSize - 1, yo + gridMapSize - 1);
+      glVertex2i(xo + gridMapSize - 1, yo + 1);
       glEnd();
     }
   }
@@ -96,10 +113,20 @@ float dist(float ax, float ay, float bx, float by, float ang)
 // * The actual raycaster
 void drawRays3D()
 {
-  int r, mx, my, mp, dof;
+  int r, mx, my, mapPoint, dof;
+  int gridMapSize = mapSize;
+
+  // Ensure mapSize is a power of 2, otherwise default or handle error
+  if (!isPowerOfTwo(mapSize))
+  {
+    fprintf(stderr, "Error: mapSize must be a power of 2 (e.g., 16, 32, 64, 128).\n");
+    exit(1);
+  }
+
+  int shiftSize = (int)(log2f((float)mapSize));
 
   // Ray x, y, angle
-  float rx, ry, ra;
+  float rayX, rayY, rayAngle;
 
   float xo, yo;
 
@@ -108,16 +135,16 @@ void drawRays3D()
 
   // Let's initialize the ray angle n degrees from the player's facing position
   // ra = ray angle; pa = player angle; DR = degree radian; n = degrees to use
-  ra = pa - DR * 30;
+  rayAngle = playerAngle - DR * 30;
 
   // Make sure to limit the next angle
-  if (ra < 0)
+  if (rayAngle < 0)
   {
-    ra += 2 * PI;
+    rayAngle += 2 * PI;
   }
-  if (ra > 2 * PI)
+  if (rayAngle > 2 * PI)
   {
-    ra -= 2 * PI;
+    rayAngle -= 2 * PI;
   }
 
   // * Cast n rays
@@ -129,55 +156,57 @@ void drawRays3D()
     // We need to get the shortest ray cast in either the vertical or horizontal
     // distance. So, we'll set a default that's way higher than we'll ever
     // calculate, and save the horizontal ray's X and Y position.
-    float disH = 1000000, hx = px, hy = py;
+    float distanceHor = 1000000, hx = playerX, hy = playerY;
 
     // Negative inverse of tangent
-    float aTan = -1.0f / tanf(ra);
+    float aTan = -1.0f / tanf(rayAngle);
 
     // Check if the ray is looking up or down.
     // If it's less than π (e.g., 180°), we're looking down.
 
     // ? Looking up (ray angle > π)
-    if (ra > PI)
+    if (rayAngle > PI)
     {
       // Round the ray's Y position to the nearest 64th value.
-      // We can do this by bit-shifting down by 6, then bit-shifting back up by
-      // 6. Then, we subtract a small amount for accuracy.
-      ry = (((int)py >> 6) << 6) - 0.0001f;
+      // We can do this by bit-shifting down by `shiftSize`, then bit-shifting back up by
+      // `shiftSize`. Then, we subtract a small amount for accuracy.
+      rayY = (((int)playerY >> shiftSize) << shiftSize) - 0.0001f;
 
       // The ray's X value is the distance between the player and the ray's Y
       // position, times the inverse of tangent, plus the player's X position.
-      rx = (py - ry) * aTan + px;
+      rayX = (playerY - rayY) * aTan + playerX;
 
       // Now that we have the ray's first grid intersection position, we need
       // the next X and Y offset for the second grid intersection point.
-      yo = -64;
+      yo = -gridMapSize;
       xo = -yo * aTan;
     }
 
     // ? Looking down
-    if (ra < PI)
+    if (rayAngle < PI)
     {
       // This is almost exactly the same as looking up, but we add one grid
       // unit, instead of subtracting a tiny amount.
-      ry = (((int)py >> 6) << 6) + 64;
+      rayY = (((int)playerY >> shiftSize) << shiftSize) + gridMapSize;
 
-      rx = (py - ry) * aTan + px;
+      rayX = (playerY - rayY) * aTan + playerX;
 
       // This is almost exactly the same as looking up, but we add instead of
       // subtract.
-      yo = 64;
+      yo = gridMapSize;
       xo = -yo * aTan;
     }
 
     // ? Looking straight left or right
-    if (ra == 0.0f || ra == PI)
+    if (rayAngle == 0.0f || rayAngle == PI)
     {
       // It's impossible to ever hit a horizontal line
-      rx = px;
-      ry = py;
+      rayX = playerX;
+      rayY = playerY;
     }
 
+    int mv = 0, mh = 0;
+
     // ? We don't want to get caught in an infinite loop, so use the
     // depth-of-field to limit our check to a max of 8.
     while (dof < 8)
@@ -186,21 +215,23 @@ void drawRays3D()
       // to know where that is in the map array.
       // Let's take the ray hit position (rx,ry) and divide it by 64 (bit-shift
       // 6 places), and use that to find the position in the map's array.
-      mx = (int)(rx) >> 6;
-      my = (int)(ry) >> 6;
-      mp = my * mapX + mx;
+      mx = (int)(rayX) >> shiftSize;
+      my = (int)(rayY) >> shiftSize;
+      mapPoint = my * mapX + mx;
 
       // If the map position is less than the array's size, then we can check it
       // inside the map. If the value is 1, there's a wall. If we hit a wall,
       // we're done!
-      if (mp > 0 && mp < mapX * mapY && map[mp] == 1)
+      if (mapPoint > 0 && mapPoint < mapX * mapY && map[mapPoint] > 0)
       {
         // We hit a wall!
 
+        mh = map[mapPoint];
+
         // Save the values and calculate the distance from the player
-        hx = rx;
-        hy = ry;
-        disH = dist(px, py, hx, hy, ra);
+        hx = rayX;
+        hy = rayY;
+        distanceHor = dist(playerX, playerY, hx, hy, rayAngle);
 
         dof = 8; // Break the loop - no need to calculate more.
       }
@@ -208,42 +239,42 @@ void drawRays3D()
       {
         // If we didn't hit a wall, we check the next horizontal line by adding
         // the x and y offset.
-        rx += xo;
-        ry += yo;
+        rayX += xo;
+        rayY += yo;
         dof += 1;
       }
     }
 
     // * --- Check Vertical Lines ---
     dof = 0;
-    float disV = 1000000, vx = px, vy = py;
+    float distanceVert = 1000000, vx = playerX, vy = playerY;
 
     // Negative of tangent
-    float nTan = -tanf(ra);
+    float nTan = -tanf(rayAngle);
 
     // ? Looking left
-    if (ra > PI2 && ra < PI3)
+    if (rayAngle > PI2 && rayAngle < PI3)
     {
-      rx = (((int)px >> 6) << 6) - 0.0001f;
-      ry = (px - rx) * nTan + py;
-      xo = -64;
+      rayX = (((int)playerX >> shiftSize) << shiftSize) - 0.0001f;
+      rayY = (playerX - rayX) * nTan + playerY;
+      xo = -gridMapSize;
       yo = -xo * nTan;
     }
 
     // ? Looking right
-    if (ra < PI2 || ra > PI3)
+    if (rayAngle < PI2 || rayAngle > PI3)
     {
-      rx = (((int)px >> 6) << 6) + 64;
-      ry = (px - rx) * nTan + py;
-      xo = 64;
+      rayX = (((int)playerX >> shiftSize) << shiftSize) + gridMapSize;
+      rayY = (playerX - rayX) * nTan + playerY;
+      xo = gridMapSize;
       yo = -xo * nTan;
     }
 
     // ? Looking straight up or down
-    if (ra == 0.0f || ra == PI)
+    if (rayAngle == 0.0f || rayAngle == PI)
     {
-      rx = px;
-      ry = py;
+      rayX = playerX;
+      rayY = playerY;
     }
 
     while (dof < 8)
@@ -252,21 +283,23 @@ void drawRays3D()
       // to know where that is in the map array.
       // Let's take the ray hit position (rx,ry) and divide it by 64 (bit-shift
       // 6 places), and use that to find the position in the map's array.
-      mx = (int)(rx) >> 6;
-      my = (int)(ry) >> 6;
-      mp = my * mapX + mx;
+      mx = (int)(rayX) >> shiftSize;
+      my = (int)(rayY) >> shiftSize;
+      mapPoint = my * mapX + mx;
 
       // If the map position is less than the array's size, then we can check it
       // inside the map. If the value is 1, there's a wall. If we hit a wall,
       // we're done!
-      if (mp > 0 && mp < mapX * mapY && map[mp] == 1)
+      if (mapPoint > 0 && mapPoint < mapX * mapY && map[mapPoint] > 0)
       {
         // We hit a wall!
 
+        mv = map[mapPoint];
+
         // Save the values and calculate the distance from the player
-        vx = rx;
-        vy = ry;
-        disV = dist(px, py, vx, vy, ra);
+        vx = rayX;
+        vy = rayY;
+        distanceVert = dist(playerX, playerY, vx, vy, rayAngle);
 
         dof = 8; // Break the loop - no need to calculate more.
       }
@@ -274,8 +307,8 @@ void drawRays3D()
       {
         // If we didn't hit a wall, we check the next horizontal line by adding
         // the x and y offset.
-        rx += xo;
-        ry += yo;
+        rayX += xo;
+        rayY += yo;
         dof += 1;
       }
     }
@@ -284,95 +317,163 @@ void drawRays3D()
     // This is what actually determines our ray that hits a wall!
 
     // Vertical wall hit
-    if (disV < disH)
+    if (distanceVert < distanceHor)
     {
-      rx = vx;
-      ry = vy;
-      disT = disV;
+      rayX = vx;
+      rayY = vy;
+      disT = distanceVert;
       // Vertical walls are drawn a little brighter than horizontal walls
       glColor3f(0.9, 0, 0);
+
+      if (mv == 2)
+      {
+        glColor3f(0, 0, 0.7);
+      }
     }
 
     // Horizontal wall hit
-    if (disH < disV)
+    if (distanceHor < distanceVert)
     {
-      rx = hx;
-      ry = hy;
-      disT = disH;
+      rayX = hx;
+      rayY = hy;
+      disT = distanceHor;
       // Horizontal walls are drawn a little darker than vertical walls
       glColor3f(0.7, 0, 0);
+
+      if (mh == 2)
+      {
+        glColor3f(0, 0, 0.4);
+      }
     }
 
     // * Draw the ray
     glLineWidth(3);
     glBegin(GL_LINES);
-    glVertex2i(px, py);
-    glVertex2i(rx, ry);
+    glVertex2i(playerX, playerY);
+    glVertex2i(rayX, rayY);
     glEnd();
 
     // * --- Draw 3D Walls ---
 
     // Correct the fish-eye effect
-    float ca = pa - ra;
-    if (ra < 0)
+    float correctedAngle = playerAngle - rayAngle;
+    if (correctedAngle < 0)
     {
-      ra += 2 * PI;
+      correctedAngle += 2 * PI;
     }
-    if (ra > 2 * PI)
+    if (correctedAngle > 2 * PI)
     {
-      ra -= 2 * PI;
+      correctedAngle -= 2 * PI;
     }
 
-    disT = disT * cos(ca);
+    disT = disT * cos(correctedAngle);
 
-    // The window will be 320x160 px
     // The formula for each line height will be the cube size (64) times our
-    // screen height (320), divided by the ray distance (disT).
+    // screen height, divided by the ray distance (disT).
     // The further away, the larger the distance and the shorter the final line
     // height will be.
-    float lineH = (mapS * 320) / disT;
+    float lineHeight = (mapSize * gameHeight) / disT;
+    if (lineHeight > gameHeight)
+    {
+      lineHeight = gameHeight;
+    }
+
+    // Let's make sure the line doesn't exceed our vertical space, so we cap it
+    if (lineHeight > gameWidth)
+    {
+      lineHeight = gameWidth;
+    }
 
     // We need to offset the line to the middle of the screen
     // That's the full window height, minus half the line height
-    float lineO = 160 - lineH / 2;
+    float lineOffset = (gameHeight / 2.0f) - (lineHeight / 2.0f);
 
-    // Let's make sure the line doesn't exceed our vertical space, so we cap it
-    if (lineH > 320)
-    {
-      lineH = 320;
-    }
+    // Calculate dynamic column width and horizontal starting offset
+    float rayWidth = (float)gameWidth / 60.0f;
+    float rayX3D = MAP_WIDTH + GAP + (r * rayWidth);
 
     // * Draw the "wall" line
-    glLineWidth(8);
-    glBegin(GL_LINES);
-    // Draw the line every 8th pixel, and shift the viewport to the right by 530
-    glVertex2i(r * 8 + 530, lineO);
-    glVertex2i(r * 8 + 530, lineH + lineO);
+    // Draw solid wall column using QUADS instead of GL_LINES
+    glBegin(GL_QUADS);
+    glVertex2f(rayX3D, lineOffset);
+    glVertex2f(rayX3D + rayWidth, lineOffset);
+    glVertex2f(rayX3D + rayWidth, lineOffset + lineHeight);
+    glVertex2f(rayX3D, lineOffset + lineHeight);
     glEnd();
 
     // * Increase the ray angle to draw the next ray
-    ra += DR;
-    if (ra < 0)
+    rayAngle += DR;
+    if (rayAngle < 0)
     {
-      ra += 2 * PI;
+      rayAngle += 2 * PI;
     }
-    if (ra > 2 * PI)
+    if (rayAngle > 2 * PI)
     {
-      ra -= 2 * PI;
+      rayAngle -= 2 * PI;
     }
   }
 }
 
+// * Draw ceiling
+void drawCeiling()
+{
+  float halfHeight = (float)(gameHeight / 2);
+
+  glBegin(GL_QUADS);
+  for (float distance = 0; distance < halfHeight; distance += 1.0f)
+  {
+    // Normalize color from 0.0 to 1.0 based on distance, multiplied by relative intensity
+    float colorIntensity = 0.5f + (distance / halfHeight);
+    glColor3f(0.25 * colorIntensity, 0.25 * colorIntensity, 0.25 * colorIntensity);
+
+    // Draw a horizontal strip at the current distance
+    glVertex2f(MAP_WIDTH + GAP, distance);
+    glVertex2f(MAP_WIDTH + GAP, distance + 1.0f);
+    glVertex2f(TOTAL_WIDTH, distance + 1.0f);
+    glVertex2f(TOTAL_WIDTH, distance);
+  }
+  glEnd();
+}
+
+// * Draw floor
+void drawFloor()
+{
+  float halfHeight = (float)(gameHeight / 2);
+
+  glBegin(GL_QUADS);
+  for (float distance = 0; distance < halfHeight; distance += 1.0f)
+  {
+
+    float colorIntensity = 0.5f + (distance / halfHeight);
+    glColor3f(0.25 * colorIntensity, 0.25 * colorIntensity, 0.0f);
+
+    float y = halfHeight + distance;
+    glVertex2f(MAP_WIDTH + GAP, y);
+    glVertex2f(MAP_WIDTH + GAP, y + 1.0f);
+    glVertex2f(TOTAL_WIDTH, y + 1.0f);
+    glVertex2f(TOTAL_WIDTH, y);
+  }
+  glEnd();
+}
+
 // * Main rendering
 void display()
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  drawCeiling();
+  drawFloor();
   drawMap2D();
   drawRays3D();
   drawPlayer();
+
   glutSwapBuffers();
 }
 
+void resize(int w, int h)
+{
+  glutReshapeWindow(1024, 512);
+}
+
 // * Check for key presses and move the "player" accordingly
 void buttons(unsigned char key, int x, int y)
 {
@@ -385,32 +486,32 @@ void buttons(unsigned char key, int x, int y)
     // 0° -> 360° ≈ 0 -> ~6.28
 
     // Change player angle slightly (using radians)
-    pa -= 0.1;
+    playerAngle -= 0.1;
 
     // If player angle drops below 0, let's reset back to 2π
-    if (pa < 0)
+    if (playerAngle < 0)
     {
-      pa += 2 * PI;
+      playerAngle += 2 * PI;
     }
 
     // The values returned from sin() and cos() are very small, so we'll just
     // artificialy inflate them by multilying by 5. This is our actual movement.
-    pdx = cos(pa) * 5.0f;
-    pdy = sin(pa) * 5.0f;
+    playerDeltaX = cos(playerAngle) * 5.0f;
+    playerDeltaY = sin(playerAngle) * 5.0f;
   }
 
   // ? Move right
   if (key == 'd')
   {
-    pa += 0.1;
+    playerAngle += 0.1;
 
-    if (pa > 2 * PI)
+    if (playerAngle > 2 * PI)
     {
-      pa -= 2 * PI;
+      playerAngle -= 2 * PI;
     }
 
-    pdx = cos(pa) * 5.0f;
-    pdy = sin(pa) * 5.0f;
+    playerDeltaX = cos(playerAngle) * 5.0f;
+    playerDeltaY = sin(playerAngle) * 5.0f;
   }
 
   // ? Move forward
@@ -418,41 +519,50 @@ void buttons(unsigned char key, int x, int y)
   {
     // We change the X and Y values based on our delta, which is calculated
     // during our rotation.
-    px += pdx;
-    py += pdy;
+    playerX += playerDeltaX;
+    playerY += playerDeltaY;
   }
 
   // ? Move backwards
   if (key == 's')
   {
-    px -= pdx;
-    py -= pdy;
+    playerX -= playerDeltaX;
+    playerY -= playerDeltaY;
   }
   glutPostRedisplay();
 }
 
 void init()
 {
+
   // Sets the screen to the given color (grey)
   glClearColor(0.3, 0.3, 0.3, 0);
 
   // Sets the window to be 2D at a given size
-  gluOrtho2D(0, 1024, 512, 0);
+  // gluOrtho2D(0, 1024, 512, 0);
+  gluOrtho2D(0, TOTAL_WIDTH, TOTAL_HEIGHT, 0);
 
-  // Set the initial player location
-  px = 300;
-  py = 300;
+  // Spawn player centered in grid tile (1, 1)
+  playerX = 1.5f * mapSize;
+  playerY = 1.5f * mapSize;
+
+  playerAngle = 0;
 
   // Calculate the initial player deltaX and deltaY
-  pdx = cos(pa) * 5.0f;
-  pdy = sin(pa) * 5.0f;
+  playerDeltaX = cos(playerAngle) * 5.0f;
+  playerDeltaY = sin(playerAngle) * 5.0f;
 }
 
 int main(int argc, char *argv[])
 {
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA);
-  glutInitWindowSize(1024, 512);
+  // glutInitWindowSize(TOTAL_WIDTH, TOTAL_HEIGHT);
+  glutInitWindowSize(1024, 510);
+
+  // Initialize the window to the center of the screen
+  glutInitWindowPosition(200, 200);
+
   glutCreateWindow("Raycaster");
 
   init();
@@ -460,6 +570,9 @@ int main(int argc, char *argv[])
   // Send display parameters to the display function
   glutDisplayFunc(display);
 
+  // Handle window resizes
+  glutReshapeFunc(resize);
+
   // Send key presses to the keyboard function
   glutKeyboardFunc(buttons);