/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var CeilingTileRenderer = Container.expand(function () {
	var self = Container.call(this);
	self.tiles = [];
	// Generate ceiling tiles in safe positions (away from corners and walls)
	self.generateTiles = function () {
		for (var x = 2; x < worldGrid.width - 2; x++) {
			for (var y = 2; y < worldGrid.height - 2; y++) {
				// Only place tiles in open areas (not near walls or corners)
				if (!worldGrid.hasWallAt(x * worldGrid.cellSize, y * worldGrid.cellSize) && !self.isNearCorner(x, y) && self.isSafePosition(x, y)) {
					var tile = {
						worldX: x * worldGrid.cellSize + worldGrid.cellSize / 2,
						worldY: y * worldGrid.cellSize + worldGrid.cellSize / 2,
						sprite: null
					};
					self.tiles.push(tile);
				}
			}
		}
	};
	// Check if position is near a corner
	self.isNearCorner = function (gridX, gridY) {
		// Check 3x3 area around position for wall density
		var wallCount = 0;
		for (var dx = -1; dx <= 1; dx++) {
			for (var dy = -1; dy <= 1; dy++) {
				var checkX = gridX + dx;
				var checkY = gridY + dy;
				if (checkX >= 0 && checkX < worldGrid.width && checkY >= 0 && checkY < worldGrid.height) {
					if (worldGrid.walls[checkX][checkY]) {
						wallCount++;
					}
				}
			}
		}
		return wallCount >= 3; // Near corner if 3+ walls nearby
	};
	// Check if position is safe (center of open areas)
	self.isSafePosition = function (gridX, gridY) {
		// Ensure there's open space in all 4 cardinal directions
		var directions = [{
			x: 0,
			y: -1
		}, {
			x: 1,
			y: 0
		}, {
			x: 0,
			y: 1
		}, {
			x: -1,
			y: 0
		}];
		for (var i = 0; i < directions.length; i++) {
			var checkX = gridX + directions[i].x;
			var checkY = gridY + directions[i].y;
			if (checkX >= 0 && checkX < worldGrid.width && checkY >= 0 && checkY < worldGrid.height) {
				if (worldGrid.walls[checkX][checkY]) {
					return false;
				}
			}
		}
		return true;
	};
	self.render = function (player) {
		// Clear existing sprites
		for (var i = 0; i < self.tiles.length; i++) {
			if (self.tiles[i].sprite) {
				self.tiles[i].sprite.visible = false;
			}
		}
		var visibleTiles = [];
		// Calculate which tiles are visible and their screen positions
		for (var i = 0; i < self.tiles.length; i++) {
			var tile = self.tiles[i];
			var dx = tile.worldX - player.x;
			var dy = tile.worldY - player.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Only render tiles within reasonable distance
			if (distance < 800) {
				// Calculate angle relative to player's view direction
				var tileAngle = Math.atan2(dy, dx);
				var angleDiff = tileAngle - player.angle;
				// Normalize angle difference
				while (angleDiff > Math.PI) angleDiff -= 2 * Math.PI;
				while (angleDiff < -Math.PI) angleDiff += 2 * Math.PI;
				// Check if tile is within field of view
				var fov = Math.PI / 3;
				if (Math.abs(angleDiff) < fov / 2) {
					// Calculate screen X position
					var screenX = 1024 + angleDiff / (fov / 2) * 1024;
					if (screenX >= 0 && screenX <= 2048) {
						// Apply pitch offset to ceiling tiles
						var pitchOffset = player.pitch * 400;
						visibleTiles.push({
							tile: tile,
							distance: distance,
							screenX: screenX,
							screenY: 400 - 200 * (1000 / (distance + 100)) + pitchOffset // Project to ceiling with pitch
						});
					}
				}
			}
		}
		// Sort by distance (farthest first)
		visibleTiles.sort(function (a, b) {
			return b.distance - a.distance;
		});
		// Render visible tiles
		for (var i = 0; i < visibleTiles.length; i++) {
			var visibleTile = visibleTiles[i];
			var tile = visibleTile.tile;
			if (!tile.sprite) {
				tile.sprite = self.addChild(LK.getAsset('ceilingTile', {
					anchorX: 0.5,
					anchorY: 0.5
				}));
			}
			tile.sprite.x = visibleTile.screenX;
			tile.sprite.y = visibleTile.screenY;
			tile.sprite.visible = true;
			// Scale based on distance
			var scale = Math.max(0.1, 20 / (visibleTile.distance + 20));
			tile.sprite.scaleX = scale;
			tile.sprite.scaleY = scale;
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.x = 1024;
	self.y = 1366;
	self.angle = 0;
	self.pitch = 0; // Vertical look angle (up/down)
	self.speed = 3;
	self.rotSpeed = 0.1;
	// Smooth interpolation properties
	self.targetX = 1024;
	self.targetY = 1366;
	self.targetAngle = 0;
	self.targetPitch = 0;
	self.smoothingFactor = 0.15;
	// Player visual for debugging (will be hidden in first person)
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	playerGraphics.visible = false; // Hide for first person view
	self.moveForward = function () {
		var newX = self.targetX + Math.cos(self.targetAngle) * self.speed;
		var newY = self.targetY + Math.sin(self.targetAngle) * self.speed;
		// Constrain Y coordinate to not go below 0
		if (newY < 0) {
			newY = 0;
		}
		// Check collision with world grid using improved collision detection
		if (!worldGrid.checkCollision(newX, newY)) {
			self.targetX = newX;
			self.targetY = newY;
		}
	};
	self.moveBackward = function () {
		var newX = self.targetX - Math.cos(self.targetAngle) * self.speed;
		var newY = self.targetY - Math.sin(self.targetAngle) * self.speed;
		// Constrain Y coordinate to not go below 0
		if (newY < 0) {
			newY = 0;
		}
		// Check collision with world grid using improved collision detection
		if (!worldGrid.checkCollision(newX, newY)) {
			self.targetX = newX;
			self.targetY = newY;
		}
	};
	self.turnLeft = function () {
		self.targetAngle -= self.rotSpeed;
	};
	self.turnRight = function () {
		self.targetAngle += self.rotSpeed;
	};
	self.lookUp = function () {
		self.targetPitch = Math.max(-Math.PI / 3, self.targetPitch - self.rotSpeed); // Limit to -60 degrees
	};
	self.lookDown = function () {
		self.targetPitch = Math.min(Math.PI / 3, self.targetPitch + self.rotSpeed); // Limit to +60 degrees
	};
	self.updateSmooth = function () {
		// Smooth interpolation for position
		self.x += (self.targetX - self.x) * self.smoothingFactor;
		self.y += (self.targetY - self.y) * self.smoothingFactor;
		// Smooth interpolation for rotation with angle wrapping
		var angleDiff = self.targetAngle - self.angle;
		// Handle angle wrapping (ensure shortest rotation path)
		if (angleDiff > Math.PI) angleDiff -= 2 * Math.PI;
		if (angleDiff < -Math.PI) angleDiff += 2 * Math.PI;
		self.angle += angleDiff * self.smoothingFactor;
		// Smooth interpolation for pitch
		var pitchDiff = self.targetPitch - self.pitch;
		self.pitch += pitchDiff * self.smoothingFactor;
	};
	return self;
});
var Renderer3D = Container.expand(function () {
	var self = Container.call(this);
	self.wallColumns = [];
	self.floorColumns = [];
	self.ceilingColumns = [];
	self.zBuffer = []; // Track depth for each column
	// Create pseudo-3D rendering columns (walls handled by WallRenderer)
	for (var i = 0; i < 512; i++) {
		var wallCol = self.addChild(LK.getAsset('wall', {
			anchorX: 0.5,
			anchorY: 1.0
		}));
		wallCol.x = i * 4;
		wallCol.y = 1366;
		wallCol.visible = false; // Disable to prevent conflicts
		self.wallColumns.push(wallCol);
		var floorCol = self.addChild(LK.getAsset('piso', {
			anchorX: 0.5,
			anchorY: 0.5
		}));
		floorCol.x = i * 4;
		floorCol.y = 1366;
		self.floorColumns.push(floorCol);
		var ceilCol = self.addChild(LK.getAsset('ceilingStrip', {
			anchorX: 0.5,
			anchorY: 0.5
		}));
		ceilCol.x = i * 4;
		ceilCol.y = 700;
		self.ceilingColumns.push(ceilCol);
	}
	self.render = function (player) {
		var fov = Math.PI / 3; // 60 degrees field of view
		var halfFov = fov / 2;
		var screenHeight = 2732;
		var screenCenter = screenHeight / 2; // Center line at Y = 1366
		// Calculate pitch offset for vertical look
		var pitchOffset = player.pitch * 400; // Scale pitch to screen movement
		// Store column data for depth sorting
		var columnData = [];
		for (var i = 0; i < 512; i++) {
			var rayAngle = player.angle - halfFov + i / 512 * fov;
			var rayData = self.castRayWithCoords(player.x, player.y, rayAngle);
			var distance = rayData.distance;
			var hitX = rayData.hitX;
			var hitY = rayData.hitY;
			// Store column data with distance for sorting
			columnData.push({
				index: i,
				distance: distance,
				hitX: hitX,
				hitY: hitY,
				rayAngle: rayAngle
			});
		}
		// Sort columns by distance (farthest first for proper depth)
		columnData.sort(function (a, b) {
			return b.distance - a.distance;
		});
		// Initialize z-buffer for this frame
		for (var k = 0; k < 512; k++) {
			self.zBuffer[k] = 1000; // Start with maximum distance
		}
		// First pass: Update z-buffer with closest distances
		for (var j = 0; j < columnData.length; j++) {
			var data = columnData[j];
			var i = data.index;
			var distance = data.distance;
			// Only update z-buffer if this is closer
			if (distance < self.zBuffer[i]) {
				self.zBuffer[i] = distance;
			}
		}
		// Second pass: Render only if at closest distance
		for (var j = 0; j < columnData.length; j++) {
			var data = columnData[j];
			var i = data.index;
			var distance = data.distance;
			var hitX = data.hitX;
			var hitY = data.hitY;
			// Only render if this column is at the closest distance
			if (Math.abs(distance - self.zBuffer[i]) < 1) {
				// Calculate wall height to maintain square aspect ratio
				var baseWallSize = 400; // Base size for square walls
				var wallHeight = Math.max(100, baseWallSize * (1000 / (distance + 100)));
				var halfWallHeight = wallHeight / 2;
				// Calculate wall boundaries for floor/ceiling positioning
				var wallTop = screenCenter - halfWallHeight + pitchOffset;
				var wallBottom = screenCenter + halfWallHeight + pitchOffset;
				// Hide wall columns completely - using dedicated RaycastRenderer instead
				self.wallColumns[i].visible = false;
				// FLOOR: Bottom section (from wall bottom to screen bottom) with pitch offset
				var floorTop = wallBottom;
				var floorHeight = screenHeight - floorTop;
				self.floorColumns[i].y = floorTop + floorHeight / 2; // Center floor in bottom section
				self.floorColumns[i].height = Math.max(2, floorHeight);
				self.floorColumns[i].visible = true;
				// CEILING: Top section (from screen top to wall top) with pitch offset
				var ceilingHeight = wallTop;
				self.ceilingColumns[i].y = ceilingHeight / 2; // Center ceiling in top section
				self.ceilingColumns[i].height = Math.max(2, ceilingHeight);
				self.ceilingColumns[i].visible = true;
			} else {
				// Hide columns that are behind walls
				self.wallColumns[i].visible = false;
				self.floorColumns[i].visible = false;
				self.ceilingColumns[i].visible = false;
			}
		}
	};
	self.castRay = function (startX, startY, angle) {
		var rayData = self.castRayWithCoords(startX, startY, angle);
		return rayData.distance;
	};
	self.castRayWithCoords = function (startX, startY, angle) {
		var rayX = startX;
		var rayY = startY;
		var deltaX = Math.cos(angle) * 2;
		var deltaY = Math.sin(angle) * 2;
		var distance = 0;
		// Raycast using world coordinate system
		while (distance < 1000) {
			rayX += deltaX;
			rayY += deltaY;
			distance += 2;
			// Check for walls using world grid
			if (worldGrid.hasWallAt(rayX, rayY)) {
				break;
			}
		}
		// Align hit coordinates to grid boundaries for straight walls
		var gridX = Math.floor(rayX / worldGrid.cellSize);
		var gridY = Math.floor(rayY / worldGrid.cellSize);
		var alignedHitX = gridX * worldGrid.cellSize;
		var alignedHitY = gridY * worldGrid.cellSize;
		return {
			distance: distance,
			hitX: alignedHitX,
			hitY: alignedHitY
		};
	};
	return self;
});
var SensitivityConfig = Container.expand(function () {
	var self = Container.call(this);
	// Load saved sensitivity or default to 50
	self.sensitivity = storage.sensitivity || 50;
	self.isVisible = false;
	// Create background panel
	var background = self.addChild(LK.getAsset('untexturedArea', {
		anchorX: 0,
		anchorY: 0,
		width: 300,
		height: 200,
		alpha: 0.8
	}));
	background.tint = 0x222222;
	// Create title text
	var titleText = new Text2('Sensitivity', {
		size: 40,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0);
	titleText.x = 150;
	titleText.y = 20;
	self.addChild(titleText);
	// Create sensitivity value text
	var valueText = new Text2(self.sensitivity.toString(), {
		size: 35,
		fill: 0xFFFFFF
	});
	valueText.anchor.set(0.5, 0);
	valueText.x = 150;
	valueText.y = 70;
	self.addChild(valueText);
	// Create decrease button (larger for mobile)
	var decreaseBtn = self.addChild(LK.getAsset('untexturedArea', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 70,
		height: 60
	}));
	decreaseBtn.x = 80;
	decreaseBtn.y = 130;
	decreaseBtn.tint = 0x666666;
	var decreaseText = new Text2('-', {
		size: 40,
		fill: 0xFFFFFF
	});
	decreaseText.anchor.set(0.5, 0.5);
	decreaseText.x = 80;
	decreaseText.y = 130;
	self.addChild(decreaseText);
	// Create increase button (larger for mobile)
	var increaseBtn = self.addChild(LK.getAsset('untexturedArea', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 70,
		height: 60
	}));
	increaseBtn.x = 220;
	increaseBtn.y = 130;
	increaseBtn.tint = 0x666666;
	var increaseText = new Text2('+', {
		size: 40,
		fill: 0xFFFFFF
	});
	increaseText.anchor.set(0.5, 0.5);
	increaseText.x = 220;
	increaseText.y = 130;
	self.addChild(increaseText);
	// Update sensitivity display
	self.updateDisplay = function () {
		valueText.setText(self.sensitivity.toString());
		// Save to storage
		storage.sensitivity = self.sensitivity;
	};
	// Toggle visibility
	self.toggle = function () {
		self.isVisible = !self.isVisible;
		self.visible = self.isVisible;
	};
	// Handle decrease button with visual feedback
	decreaseBtn.down = function (x, y, obj) {
		decreaseBtn.tint = 0x888888; // Lighten on press
		if (self.sensitivity > 0) {
			self.sensitivity = Math.max(0, self.sensitivity - 5);
			self.updateDisplay();
		}
	};
	decreaseBtn.up = function (x, y, obj) {
		decreaseBtn.tint = 0x666666; // Reset color on release
	};
	// Handle increase button with visual feedback
	increaseBtn.down = function (x, y, obj) {
		increaseBtn.tint = 0x888888; // Lighten on press
		if (self.sensitivity < 100) {
			self.sensitivity = Math.min(100, self.sensitivity + 5);
			self.updateDisplay();
		}
	};
	increaseBtn.up = function (x, y, obj) {
		increaseBtn.tint = 0x666666; // Reset color on release
	};
	// Add background click handler to prevent game interactions
	background.down = function (x, y, obj) {
		// Prevent event from bubbling to game
		return true;
	};
	background.up = function (x, y, obj) {
		// Prevent event from bubbling to game
		return true;
	};
	background.move = function (x, y, obj) {
		// Prevent event from bubbling to game
		return true;
	};
	// Initially hidden
	self.visible = false;
	return self;
});
var SpriteScalingRenderer = Container.expand(function () {
	var self = Container.call(this);
	// Sprite-based scaling and distortion system
	self.wallSprites = [];
	self.maxRenderDistance = 1200;
	self.fogStart = 600;
	self.spritePool = []; // Pool of reusable sprites
	self.activeSprites = []; // Currently active sprites
	self.poolSize = 100; // Maximum sprites in pool
	// Initialize sprite pool for performance
	self.initSpritePool = function () {
		for (var i = 0; i < self.poolSize; i++) {
			var sprite = self.addChild(LK.getAsset('wall', {
				anchorX: 0.5,
				anchorY: 1.0 // Anchor at bottom for ground positioning
			}));
			sprite.visible = false;
			self.spritePool.push(sprite);
		}
	};
	// Get sprite from pool or create new one
	self.getSprite = function () {
		if (self.spritePool.length > 0) {
			return self.spritePool.pop();
		} else {
			var sprite = self.addChild(LK.getAsset('wall', {
				anchorX: 0.5,
				anchorY: 1.0
			}));
			return sprite;
		}
	};
	// Return sprite to pool
	self.returnSprite = function (sprite) {
		sprite.visible = false;
		sprite.scaleX = 1;
		sprite.scaleY = 1;
		sprite.rotation = 0;
		sprite.alpha = 1;
		sprite.tint = 0xFFFFFF;
		if (self.spritePool.length < self.poolSize) {
			self.spritePool.push(sprite);
		}
	};
	// Sprite-based scaling renderer with distortion effects
	self.render = function (player) {
		// Return all active sprites to pool
		for (var i = 0; i < self.activeSprites.length; i++) {
			self.returnSprite(self.activeSprites[i]);
		}
		self.activeSprites = [];
		// Scan for visible walls using world grid
		var scanRadius = 8; // Grid cells to scan around player
		var playerGridX = Math.floor(player.x / worldGrid.cellSize);
		var playerGridY = Math.floor(player.y / worldGrid.cellSize);
		var fov = Math.PI / 3; // 60 degree field of view
		var wallsToRender = [];
		// Find all walls within scan radius
		for (var dx = -scanRadius; dx <= scanRadius; dx++) {
			for (var dy = -scanRadius; dy <= scanRadius; dy++) {
				var gridX = playerGridX + dx;
				var gridY = playerGridY + dy;
				// Check bounds
				if (gridX >= 0 && gridX < worldGrid.width && gridY >= 0 && gridY < worldGrid.height) {
					if (worldGrid.walls[gridX][gridY]) {
						var wallWorldX = gridX * worldGrid.cellSize + worldGrid.cellSize / 2;
						var wallWorldY = gridY * worldGrid.cellSize + worldGrid.cellSize / 2;
						var deltaX = wallWorldX - player.x;
						var deltaY = wallWorldY - player.y;
						var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
						// Only consider walls within render distance
						if (distance < self.maxRenderDistance) {
							// Calculate angle to wall
							var wallAngle = Math.atan2(deltaY, deltaX);
							var angleDiff = wallAngle - player.angle;
							// Normalize angle difference
							while (angleDiff > Math.PI) angleDiff -= 2 * Math.PI;
							while (angleDiff < -Math.PI) angleDiff += 2 * Math.PI;
							// Check if wall is within field of view (with some padding)
							if (Math.abs(angleDiff) < fov / 2 + 0.5) {
								wallsToRender.push({
									gridX: gridX,
									gridY: gridY,
									worldX: wallWorldX,
									worldY: wallWorldY,
									distance: distance,
									angleDiff: angleDiff,
									deltaX: deltaX,
									deltaY: deltaY
								});
							}
						}
					}
				}
			}
		}
		// Sort walls by distance (farthest first for proper depth)
		wallsToRender.sort(function (a, b) {
			return b.distance - a.distance;
		});
		// Render each visible wall as a scaled sprite
		for (var i = 0; i < wallsToRender.length && i < self.poolSize; i++) {
			var wall = wallsToRender[i];
			var sprite = self.getSprite();
			self.activeSprites.push(sprite);
			// Calculate screen position
			var screenX = 1024 + wall.angleDiff / (fov / 2) * 1024;
			// Calculate sprite scaling based on distance with perspective distortion
			var baseScale = 600 / (wall.distance + 100);
			var perspectiveScale = Math.max(0.1, Math.min(baseScale, 3.0));
			// Apply vertical distortion based on viewing angle
			var distortionFactor = 1.0 + Math.abs(wall.angleDiff) * 0.3;
			var verticalScale = perspectiveScale * distortionFactor;
			var horizontalScale = perspectiveScale;
			// Apply pitch-based distortion
			var pitchDistortion = 1.0 + Math.abs(player.pitch) * 0.5;
			verticalScale *= pitchDistortion;
			// Position sprite with pitch offset
			var pitchOffset = player.pitch * 400;
			var baseY = 1366 - verticalScale * 100 / 2; // Adjust for sprite height
			sprite.x = screenX;
			sprite.y = baseY + pitchOffset;
			// Apply scaling with distortion
			sprite.scaleX = horizontalScale * 2; // Make walls wider
			sprite.scaleY = verticalScale * 4; // Make walls taller
			// Apply perspective rotation distortion
			var rotationDistortion = wall.angleDiff * 0.1; // Subtle rotation based on viewing angle
			sprite.rotation = rotationDistortion;
			// Calculate lighting and fog
			var lightIntensity = 1.0;
			// Determine wall orientation for lighting
			var isVerticalWall = Math.abs(wall.deltaX) > Math.abs(wall.deltaY);
			if (!isVerticalWall) {
				lightIntensity = 0.7; // Darken horizontal walls
			}
			// Apply distance-based fog
			var fogFactor = Math.max(0.1, 1.0 - (wall.distance - self.fogStart) / (self.maxRenderDistance - self.fogStart));
			lightIntensity *= fogFactor;
			// Apply lighting with yellow tint
			var brightness = Math.floor(255 * lightIntensity);
			brightness = Math.max(20, Math.min(255, brightness));
			var yellowTint = brightness << 16 | brightness << 8 | 0; // Yellow color
			sprite.tint = yellowTint;
			sprite.alpha = Math.max(0.3, fogFactor);
			// Apply additional distortion effects based on distance
			if (wall.distance > 400) {
				// Add shimmering effect for distant walls
				var shimmer = Math.sin(LK.ticks * 0.1 + wall.gridX + wall.gridY) * 0.1;
				sprite.scaleX += shimmer;
				sprite.scaleY += shimmer * 0.5;
			}
			sprite.visible = true;
		}
	};
	// Generate walls method (required by game code)
	self.generateWalls = function () {
		self.initSpritePool();
	};
	return self;
});
var WallBackgroundRenderer = Container.expand(function () {
	var self = Container.call(this);
	self.backgroundColumns = [];
	self.columnCount = 512;
	// Initialize background columns for Sun texture
	self.initBackgroundColumns = function () {
		if (self.backgroundColumns.length === 0) {
			for (var i = 0; i < self.columnCount; i++) {
				var column = self.addChild(LK.getAsset('wallBackground', {
					anchorX: 0.5,
					anchorY: 0.5
				}));
				column.x = i * (2048 / self.columnCount);
				column.y = 1366; // Center of screen
				column.height = 2732; // Full screen height
				column.width = 2048 / self.columnCount + 1; // Prevent gaps
				column.visible = true;
				self.backgroundColumns.push(column);
			}
		}
	};
	// Render Sun texture background
	self.render = function (player) {
		self.initBackgroundColumns();
		// Simple parallax effect for Sun texture based on player rotation
		var parallaxOffset = player.angle * 100; // Subtle movement with rotation
		for (var i = 0; i < self.columnCount; i++) {
			var column = self.backgroundColumns[i];
			// Apply subtle parallax movement
			column.x = i * (2048 / self.columnCount) + parallaxOffset % 2048;
			// Ensure column wraps around screen
			if (column.x > 2048) {
				column.x -= 2048;
			}
			if (column.x < -column.width) {
				column.x += 2048;
			}
			// Apply subtle brightness variation for atmosphere
			var brightness = 0.8 + Math.sin(player.angle + i * 0.1) * 0.2;
			brightness = Math.max(0.6, Math.min(1.0, brightness));
			var tintValue = Math.floor(255 * brightness);
			column.tint = tintValue << 16 | tintValue << 8 | tintValue;
			column.visible = true;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
// Create player
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// World coordinate system - grid-based layout
var worldGrid = {
	cellSize: 200,
	width: 20,
	// 20x20 grid
	height: 20,
	walls: [],
	// Will store wall positions
	// Initialize world grid with walls
	initializeGrid: function initializeGrid() {
		for (var x = 0; x < this.width; x++) {
			this.walls[x] = [];
			for (var y = 0; y < this.height; y++) {
				// Create backrooms-style layout
				var isWall = false;
				// Outer boundaries are always walls
				if (x === 0 || x === this.width - 1 || y === 0 || y === this.height - 1) {
					isWall = true;
				}
				// Create maze-like structure typical of backrooms
				else if (x % 3 === 0 && y % 3 === 0 || x % 4 === 0 && y % 2 === 0 || y % 4 === 0 && x % 2 === 0) {
					isWall = true;
				}
				this.walls[x][y] = isWall;
			}
		}
	},
	// Check if a world position has a wall
	hasWallAt: function hasWallAt(worldX, worldY) {
		var gridX = Math.floor(worldX / this.cellSize);
		var gridY = Math.floor(worldY / this.cellSize);
		if (gridX < 0 || gridX >= this.width || gridY < 0 || gridY >= this.height) {
			return true; // Outside bounds = wall
		}
		return this.walls[gridX][gridY];
	},
	// Check collision with wall boundaries (with player radius)
	checkCollision: function checkCollision(worldX, worldY, radius) {
		radius = radius || 20; // Default player radius
		var gridX = Math.floor(worldX / this.cellSize);
		var gridY = Math.floor(worldY / this.cellSize);
		// Check the four corners of the player's bounding box
		var corners = [{
			x: worldX - radius,
			y: worldY - radius
		}, {
			x: worldX + radius,
			y: worldY - radius
		}, {
			x: worldX - radius,
			y: worldY + radius
		}, {
			x: worldX + radius,
			y: worldY + radius
		}];
		for (var i = 0; i < corners.length; i++) {
			var corner = corners[i];
			var cornerGridX = Math.floor(corner.x / this.cellSize);
			var cornerGridY = Math.floor(corner.y / this.cellSize);
			// Check bounds
			if (cornerGridX < 0 || cornerGridX >= this.width || cornerGridY < 0 || cornerGridY >= this.height) {
				return true;
			}
			// Check wall collision
			if (this.walls[cornerGridX][cornerGridY]) {
				return true;
			}
		}
		return false;
	},
	// Convert screen coordinates to world coordinates
	screenToWorld: function screenToWorld(screenX, screenY) {
		return {
			x: screenX,
			y: screenY
		};
	},
	// Convert world coordinates to screen coordinates
	worldToScreen: function worldToScreen(worldX, worldY) {
		return {
			x: worldX,
			y: worldY
		};
	}
};
// Initialize the world grid
worldGrid.initializeGrid();
// Add wall line completion system
worldGrid.completeWallLines = function () {
	// Trace horizontal lines and complete them
	for (var y = 0; y < this.height; y++) {
		var wallStart = -1;
		var wallEnd = -1;
		// Find wall segments in this row
		for (var x = 0; x < this.width; x++) {
			if (this.walls[x][y]) {
				if (wallStart === -1) {
					wallStart = x; // Start of wall segment
				}
				wallEnd = x; // Update end of wall segment
			} else {
				// If we found a wall segment, complete the line between start and end
				if (wallStart !== -1 && wallEnd !== -1 && wallEnd > wallStart) {
					for (var fillX = wallStart; fillX <= wallEnd; fillX++) {
						this.walls[fillX][y] = true; // Fill the gap
					}
				}
				wallStart = -1; // Reset for next segment
				wallEnd = -1;
			}
		}
		// Complete any remaining segment at end of row
		if (wallStart !== -1 && wallEnd !== -1 && wallEnd > wallStart) {
			for (var fillX = wallStart; fillX <= wallEnd; fillX++) {
				this.walls[fillX][y] = true;
			}
		}
	}
	// Trace vertical lines and complete them
	for (var x = 0; x < this.width; x++) {
		var wallStart = -1;
		var wallEnd = -1;
		// Find wall segments in this column
		for (var y = 0; y < this.height; y++) {
			if (this.walls[x][y]) {
				if (wallStart === -1) {
					wallStart = y; // Start of wall segment
				}
				wallEnd = y; // Update end of wall segment
			} else {
				// If we found a wall segment, complete the line between start and end
				if (wallStart !== -1 && wallEnd !== -1 && wallEnd > wallStart) {
					for (var fillY = wallStart; fillY <= wallEnd; fillY++) {
						this.walls[x][fillY] = true; // Fill the gap
					}
				}
				wallStart = -1; // Reset for next segment
				wallEnd = -1;
			}
		}
		// Complete any remaining segment at end of column
		if (wallStart !== -1 && wallEnd !== -1 && wallEnd > wallStart) {
			for (var fillY = wallStart; fillY <= wallEnd; fillY++) {
				this.walls[x][fillY] = true;
			}
		}
	}
};
// Apply wall line completion after initial generation
worldGrid.completeWallLines();
// Create wall background renderer (Sun texture behind walls)
var wallBackgroundRenderer = new WallBackgroundRenderer();
game.addChild(wallBackgroundRenderer);
// Create sprite scaling renderer
var wallRenderer = new SpriteScalingRenderer();
game.addChild(wallRenderer);
wallRenderer.generateWalls();
// Create ceiling tile renderer
var ceilingTileRenderer = new CeilingTileRenderer();
game.addChild(ceilingTileRenderer);
ceilingTileRenderer.generateTiles();
// Create player
var player = new Player();
// Position player at a valid starting location in the world grid
player.x = worldGrid.cellSize * 1.5; // Start in cell (1,1)
player.y = worldGrid.cellSize * 1.5;
game.addChild(player);
// Create 3D renderer
var renderer3D = new Renderer3D();
game.addChild(renderer3D);
// Create barely visible crosshair in center of screen
var crosshair = LK.getAsset('Sun', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 20,
	height: 20
});
crosshair.alpha = 0.05; // Almost invisible
crosshair.x = 1024; // Center X of screen
crosshair.y = 1366; // Center Y of screen
LK.gui.addChild(crosshair);
// Create coordinate display text
var coordXText = new Text2('X: 0', {
	size: 60,
	fill: 0xFFFFFF
});
coordXText.anchor.set(0, 0);
coordXText.x = 120; // Avoid top-left 100x100 area
coordXText.y = 120;
LK.gui.addChild(coordXText);
var coordZText = new Text2('Z: 0', {
	size: 60,
	fill: 0xFFFFFF
});
coordZText.anchor.set(0, 0);
coordZText.x = 120; // Avoid top-left 100x100 area
coordZText.y = 200;
LK.gui.addChild(coordZText);
// Create settings button in top-right corner (larger for mobile)
var settingsButton = LK.getAsset('untexturedArea', {
	anchorX: 1,
	anchorY: 0,
	width: 120,
	height: 120
});
settingsButton.tint = 0x444444;
settingsButton.alpha = 0.7;
LK.gui.topRight.addChild(settingsButton);
var settingsText = new Text2('⚙', {
	size: 60,
	fill: 0xFFFFFF
});
settingsText.anchor.set(0.5, 0.5);
settingsText.x = -60;
settingsText.y = 60;
LK.gui.topRight.addChild(settingsText);
// Create sensitivity configuration panel
var sensitivityConfig = new SensitivityConfig();
sensitivityConfig.x = 2048 - 320;
sensitivityConfig.y = 100;
LK.gui.addChild(sensitivityConfig);
// Movement flags
var moveForward = false;
var moveBackward = false;
var turnLeft = false;
var turnRight = false;
var lookUp = false;
var lookDown = false;
// Touch controls for movement
var touchStartX = 0;
var touchStartY = 0;
var touchActive = false;
// Settings button click handler
settingsButton.down = function (x, y, obj) {
	sensitivityConfig.toggle();
};
game.down = function (x, y, obj) {
	touchStartX = x;
	touchStartY = y;
	touchActive = true;
	// Forward movement on touch
	moveForward = true;
};
game.up = function (x, y, obj) {
	touchActive = false;
	moveForward = false;
	moveBackward = false;
	turnLeft = false;
	turnRight = false;
	lookUp = false;
	lookDown = false;
};
game.move = function (x, y, obj) {
	if (!touchActive) return;
	var deltaX = x - touchStartX;
	var deltaY = y - touchStartY;
	// Horizontal movement for turning
	if (Math.abs(deltaX) > 50) {
		if (deltaX > 0) {
			turnRight = true;
			turnLeft = false;
		} else {
			turnLeft = true;
			turnRight = false;
		}
	} else {
		turnLeft = false;
		turnRight = false;
	}
	// Vertical movement - split between forward/backward and look up/down
	if (Math.abs(deltaY) > 50) {
		// If touch is in upper part of screen, use for looking up/down
		if (y < 1366) {
			// Upper half of screen for vertical look
			if (deltaY < 0) {
				lookUp = true;
				lookDown = false;
			} else {
				lookDown = true;
				lookUp = false;
			}
			moveForward = false;
			moveBackward = false;
		} else {
			// Lower half of screen for movement
			if (deltaY < 0) {
				moveForward = true;
				moveBackward = false;
			} else {
				moveBackward = true;
				moveForward = false;
			}
			lookUp = false;
			lookDown = false;
		}
	} else {
		lookUp = false;
		lookDown = false;
	}
};
game.update = function () {
	// Update player rotation speed based on sensitivity (0-100 maps to 0.05-0.2)
	var sensitivityValue = sensitivityConfig.sensitivity;
	player.rotSpeed = 0.05 + sensitivityValue / 100 * 0.15;
	// Handle movement
	if (moveForward) {
		player.moveForward();
	}
	if (moveBackward) {
		player.moveBackward();
	}
	if (turnLeft) {
		player.turnLeft();
	}
	if (turnRight) {
		player.turnRight();
	}
	if (lookUp) {
		player.lookUp();
	}
	if (lookDown) {
		player.lookDown();
	}
	// Apply smooth interpolation
	player.updateSmooth();
	// Render in optimal order: Sun background, floor/ceiling, then raycasted walls, then ceiling details
	wallBackgroundRenderer.render(player); // Sun texture background
	renderer3D.render(player); // Handles floor and ceiling strips  
	wallRenderer.render(player); // True 2D raycasting wall rendering
	ceilingTileRenderer.render(player); // Ceiling decorations on top
	// Update coordinate display
	var gridX = Math.floor(player.x / worldGrid.cellSize);
	var gridZ = Math.floor(player.y / worldGrid.cellSize);
	coordXText.setText('X: ' + gridX);
	coordZText.setText('Z: ' + gridZ);
};

===================================================================
--- original.js
+++ change.js
@@ -208,180 +208,8 @@
 		self.pitch += pitchDiff * self.smoothingFactor;
 	};
 	return self;
 });
-var RaycastRenderer = Container.expand(function () {
-	var self = Container.call(this);
-	// Enhanced 2D raycasting system with optimized DDA algorithm
-	self.wallColumns = [];
-	self.columnCount = 1024; // Higher resolution for smoother raycasting
-	self.maxRenderDistance = 1500;
-	self.fogStart = 800;
-	self.wallHeight = 1000; // Increased base wall height for better perspective
-	// Initialize wall column system for raycasting
-	self.initColumns = function () {
-		if (self.wallColumns.length === 0) {
-			for (var i = 0; i < self.columnCount; i++) {
-				var column = self.addChild(LK.getAsset('wall', {
-					anchorX: 0.5,
-					anchorY: 1.0 // Anchor at bottom for proper ground positioning
-				}));
-				column.x = i * (2048 / self.columnCount); // Distribute across screen width
-				column.y = 1366; // Ground level
-				column.visible = false;
-				self.wallColumns.push(column);
-			}
-		}
-	};
-	// Enhanced 2D raycasting renderer using optimized DDA algorithm
-	self.render = function (player) {
-		self.initColumns();
-		var fov = Math.PI / 2.5; // Slightly wider field of view for better immersion
-		var halfFov = fov / 2;
-		var screenHeight = 2732;
-		var screenCenter = screenHeight / 2;
-		var pitchOffset = player.pitch * 400; // Enhanced pitch sensitivity
-		// Cast rays for each screen column using true raycasting method
-		for (var screenX = 0; screenX < self.columnCount; screenX++) {
-			// Calculate precise ray angle using camera plane method
-			var cameraPlaneX = 2 * screenX / self.columnCount - 1; // [-1, 1] range
-			var rayAngle = player.angle + Math.atan(cameraPlaneX * Math.tan(halfFov));
-			// Cast ray using enhanced DDA algorithm
-			var rayResult = self.castRayDDA(player.x, player.y, rayAngle);
-			var column = self.wallColumns[screenX];
-			if (rayResult.hit && rayResult.distance < self.maxRenderDistance) {
-				// Apply fisheye correction using perpendicular distance
-				var perpDistance = rayResult.distance * Math.cos(rayAngle - player.angle);
-				// Calculate wall projection height based on distance
-				var projectedHeight = Math.floor(self.wallHeight * (400 / perpDistance));
-				projectedHeight = Math.max(10, Math.min(projectedHeight, screenHeight * 3));
-				// Calculate wall boundaries with pitch adjustment
-				var wallTop = Math.floor(screenCenter - projectedHeight / 2 + pitchOffset);
-				var wallBottom = Math.floor(screenCenter + projectedHeight / 2 + pitchOffset);
-				// Position and scale the wall column
-				column.y = wallBottom; // Anchor at bottom
-				column.height = projectedHeight;
-				column.width = Math.ceil(2048 / self.columnCount) + 2; // Ensure full coverage with overlap
-				// Enhanced lighting system based on wall orientation and distance
-				var lightIntensity = 1.0;
-				// Different lighting for different wall orientations
-				if (rayResult.wallSide === 0) {
-					lightIntensity = 0.9; // East-West walls slightly darker
-				} else {
-					lightIntensity = 0.7; // North-South walls darker for depth perception
-				}
-				// Apply distance-based atmospheric fog with more generous minimum
-				var fogFactor = Math.max(0.3, 1.0 - Math.pow(Math.max(0, rayResult.distance - self.fogStart) / (self.maxRenderDistance - self.fogStart), 1.2));
-				lightIntensity *= fogFactor;
-				// Apply enhanced lighting with higher minimum brightness
-				var finalIntensity = Math.max(0.4, Math.min(1.0, lightIntensity));
-				var brightness = Math.floor(255 * finalIntensity);
-				// Ensure minimum brightness to prevent completely black walls
-				brightness = Math.max(80, brightness);
-				// Create realistic wall color with proper depth and warmth
-				var redComponent = Math.min(255, brightness);
-				var greenComponent = Math.min(255, Math.floor(brightness * 0.9));
-				var blueComponent = Math.min(255, Math.floor(brightness * 0.7));
-				var wallColor = redComponent << 16 | greenComponent << 8 | blueComponent;
-				column.tint = wallColor;
-				column.alpha = Math.max(0.4, fogFactor);
-				// Advanced texture coordinate calculation for wall detail
-				var wallX = rayResult.wallX;
-				var textureOffset = Math.floor(wallX * 64) % 16 - 8; // More detailed texture variation
-				column.x = Math.floor(screenX * (2048 / self.columnCount)) + textureOffset * 0.1;
-				column.visible = true;
-			} else {
-				column.visible = false;
-			}
-		}
-	};
-	// Enhanced DDA (Digital Differential Analyzer) raycasting algorithm
-	self.castRayDDA = function (startX, startY, rayAngle) {
-		// Convert world coordinates to grid coordinates
-		var rayX = startX / worldGrid.cellSize;
-		var rayY = startY / worldGrid.cellSize;
-		// Which grid cell we're in
-		var mapX = Math.floor(rayX);
-		var mapY = Math.floor(rayY);
-		// Ray direction vector
-		var rayDirX = Math.cos(rayAngle);
-		var rayDirY = Math.sin(rayAngle);
-		// Prevent division by zero
-		if (Math.abs(rayDirX) < 0.000001) rayDirX = 0.000001;
-		if (Math.abs(rayDirY) < 0.000001) rayDirY = 0.000001;
-		// Length of ray from current position to next grid line
-		var deltaDistX = Math.abs(1 / rayDirX);
-		var deltaDistY = Math.abs(1 / rayDirY);
-		// Calculate step and initial sideDist
-		var stepX, stepY, sideDistX, sideDistY;
-		if (rayDirX < 0) {
-			stepX = -1;
-			sideDistX = (rayX - mapX) * deltaDistX;
-		} else {
-			stepX = 1;
-			sideDistX = (mapX + 1.0 - rayX) * deltaDistX;
-		}
-		if (rayDirY < 0) {
-			stepY = -1;
-			sideDistY = (rayY - mapY) * deltaDistY;
-		} else {
-			stepY = 1;
-			sideDistY = (mapY + 1.0 - rayY) * deltaDistY;
-		}
-		// Perform optimized DDA
-		var hit = false;
-		var side = 0; // 0 for X-side, 1 for Y-side
-		var maxSteps = Math.floor(self.maxRenderDistance / worldGrid.cellSize);
-		var steps = 0;
-		while (!hit && steps < maxSteps) {
-			// Jump to next map square
-			if (sideDistX < sideDistY) {
-				sideDistX += deltaDistX;
-				mapX += stepX;
-				side = 0;
-			} else {
-				sideDistY += deltaDistY;
-				mapY += stepY;
-				side = 1;
-			}
-			// Check if ray has hit a wall or boundary
-			if (mapX < 0 || mapX >= worldGrid.width || mapY < 0 || mapY >= worldGrid.height) {
-				hit = true; // Hit boundary
-			} else if (worldGrid.walls[mapX][mapY]) {
-				hit = true; // Hit wall
-			}
-			steps++;
-		}
-		// Calculate precise distance
-		var perpWallDist;
-		if (side === 0) {
-			perpWallDist = (mapX - rayX + (1 - stepX) / 2) / rayDirX;
-		} else {
-			perpWallDist = (mapY - rayY + (1 - stepY) / 2) / rayDirY;
-		}
-		// Calculate wall X coordinate for texture mapping
-		var wallX;
-		if (side === 0) {
-			wallX = rayY + perpWallDist * rayDirY;
-		} else {
-			wallX = rayX + perpWallDist * rayDirX;
-		}
-		wallX = wallX - Math.floor(wallX); // Get fractional part
-		return {
-			hit: hit,
-			distance: perpWallDist * worldGrid.cellSize,
-			hitX: mapX * worldGrid.cellSize,
-			hitY: mapY * worldGrid.cellSize,
-			wallSide: side,
-			wallX: wallX
-		};
-	};
-	// Generate walls method (required by game code)
-	self.generateWalls = function () {
-		self.initColumns();
-	};
-	return self;
-});
 var Renderer3D = Container.expand(function () {
 	var self = Container.call(this);
 	self.wallColumns = [];
 	self.floorColumns = [];
@@ -641,8 +469,168 @@
 	// Initially hidden
 	self.visible = false;
 	return self;
 });
+var SpriteScalingRenderer = Container.expand(function () {
+	var self = Container.call(this);
+	// Sprite-based scaling and distortion system
+	self.wallSprites = [];
+	self.maxRenderDistance = 1200;
+	self.fogStart = 600;
+	self.spritePool = []; // Pool of reusable sprites
+	self.activeSprites = []; // Currently active sprites
+	self.poolSize = 100; // Maximum sprites in pool
+	// Initialize sprite pool for performance
+	self.initSpritePool = function () {
+		for (var i = 0; i < self.poolSize; i++) {
+			var sprite = self.addChild(LK.getAsset('wall', {
+				anchorX: 0.5,
+				anchorY: 1.0 // Anchor at bottom for ground positioning
+			}));
+			sprite.visible = false;
+			self.spritePool.push(sprite);
+		}
+	};
+	// Get sprite from pool or create new one
+	self.getSprite = function () {
+		if (self.spritePool.length > 0) {
+			return self.spritePool.pop();
+		} else {
+			var sprite = self.addChild(LK.getAsset('wall', {
+				anchorX: 0.5,
+				anchorY: 1.0
+			}));
+			return sprite;
+		}
+	};
+	// Return sprite to pool
+	self.returnSprite = function (sprite) {
+		sprite.visible = false;
+		sprite.scaleX = 1;
+		sprite.scaleY = 1;
+		sprite.rotation = 0;
+		sprite.alpha = 1;
+		sprite.tint = 0xFFFFFF;
+		if (self.spritePool.length < self.poolSize) {
+			self.spritePool.push(sprite);
+		}
+	};
+	// Sprite-based scaling renderer with distortion effects
+	self.render = function (player) {
+		// Return all active sprites to pool
+		for (var i = 0; i < self.activeSprites.length; i++) {
+			self.returnSprite(self.activeSprites[i]);
+		}
+		self.activeSprites = [];
+		// Scan for visible walls using world grid
+		var scanRadius = 8; // Grid cells to scan around player
+		var playerGridX = Math.floor(player.x / worldGrid.cellSize);
+		var playerGridY = Math.floor(player.y / worldGrid.cellSize);
+		var fov = Math.PI / 3; // 60 degree field of view
+		var wallsToRender = [];
+		// Find all walls within scan radius
+		for (var dx = -scanRadius; dx <= scanRadius; dx++) {
+			for (var dy = -scanRadius; dy <= scanRadius; dy++) {
+				var gridX = playerGridX + dx;
+				var gridY = playerGridY + dy;
+				// Check bounds
+				if (gridX >= 0 && gridX < worldGrid.width && gridY >= 0 && gridY < worldGrid.height) {
+					if (worldGrid.walls[gridX][gridY]) {
+						var wallWorldX = gridX * worldGrid.cellSize + worldGrid.cellSize / 2;
+						var wallWorldY = gridY * worldGrid.cellSize + worldGrid.cellSize / 2;
+						var deltaX = wallWorldX - player.x;
+						var deltaY = wallWorldY - player.y;
+						var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+						// Only consider walls within render distance
+						if (distance < self.maxRenderDistance) {
+							// Calculate angle to wall
+							var wallAngle = Math.atan2(deltaY, deltaX);
+							var angleDiff = wallAngle - player.angle;
+							// Normalize angle difference
+							while (angleDiff > Math.PI) angleDiff -= 2 * Math.PI;
+							while (angleDiff < -Math.PI) angleDiff += 2 * Math.PI;
+							// Check if wall is within field of view (with some padding)
+							if (Math.abs(angleDiff) < fov / 2 + 0.5) {
+								wallsToRender.push({
+									gridX: gridX,
+									gridY: gridY,
+									worldX: wallWorldX,
+									worldY: wallWorldY,
+									distance: distance,
+									angleDiff: angleDiff,
+									deltaX: deltaX,
+									deltaY: deltaY
+								});
+							}
+						}
+					}
+				}
+			}
+		}
+		// Sort walls by distance (farthest first for proper depth)
+		wallsToRender.sort(function (a, b) {
+			return b.distance - a.distance;
+		});
+		// Render each visible wall as a scaled sprite
+		for (var i = 0; i < wallsToRender.length && i < self.poolSize; i++) {
+			var wall = wallsToRender[i];
+			var sprite = self.getSprite();
+			self.activeSprites.push(sprite);
+			// Calculate screen position
+			var screenX = 1024 + wall.angleDiff / (fov / 2) * 1024;
+			// Calculate sprite scaling based on distance with perspective distortion
+			var baseScale = 600 / (wall.distance + 100);
+			var perspectiveScale = Math.max(0.1, Math.min(baseScale, 3.0));
+			// Apply vertical distortion based on viewing angle
+			var distortionFactor = 1.0 + Math.abs(wall.angleDiff) * 0.3;
+			var verticalScale = perspectiveScale * distortionFactor;
+			var horizontalScale = perspectiveScale;
+			// Apply pitch-based distortion
+			var pitchDistortion = 1.0 + Math.abs(player.pitch) * 0.5;
+			verticalScale *= pitchDistortion;
+			// Position sprite with pitch offset
+			var pitchOffset = player.pitch * 400;
+			var baseY = 1366 - verticalScale * 100 / 2; // Adjust for sprite height
+			sprite.x = screenX;
+			sprite.y = baseY + pitchOffset;
+			// Apply scaling with distortion
+			sprite.scaleX = horizontalScale * 2; // Make walls wider
+			sprite.scaleY = verticalScale * 4; // Make walls taller
+			// Apply perspective rotation distortion
+			var rotationDistortion = wall.angleDiff * 0.1; // Subtle rotation based on viewing angle
+			sprite.rotation = rotationDistortion;
+			// Calculate lighting and fog
+			var lightIntensity = 1.0;
+			// Determine wall orientation for lighting
+			var isVerticalWall = Math.abs(wall.deltaX) > Math.abs(wall.deltaY);
+			if (!isVerticalWall) {
+				lightIntensity = 0.7; // Darken horizontal walls
+			}
+			// Apply distance-based fog
+			var fogFactor = Math.max(0.1, 1.0 - (wall.distance - self.fogStart) / (self.maxRenderDistance - self.fogStart));
+			lightIntensity *= fogFactor;
+			// Apply lighting with yellow tint
+			var brightness = Math.floor(255 * lightIntensity);
+			brightness = Math.max(20, Math.min(255, brightness));
+			var yellowTint = brightness << 16 | brightness << 8 | 0; // Yellow color
+			sprite.tint = yellowTint;
+			sprite.alpha = Math.max(0.3, fogFactor);
+			// Apply additional distortion effects based on distance
+			if (wall.distance > 400) {
+				// Add shimmering effect for distant walls
+				var shimmer = Math.sin(LK.ticks * 0.1 + wall.gridX + wall.gridY) * 0.1;
+				sprite.scaleX += shimmer;
+				sprite.scaleY += shimmer * 0.5;
+			}
+			sprite.visible = true;
+		}
+	};
+	// Generate walls method (required by game code)
+	self.generateWalls = function () {
+		self.initSpritePool();
+	};
+	return self;
+});
 var WallBackgroundRenderer = Container.expand(function () {
 	var self = Container.call(this);
 	self.backgroundColumns = [];
 	self.columnCount = 512;
@@ -850,11 +838,13 @@
 	}
 };
 // Apply wall line completion after initial generation
 worldGrid.completeWallLines();
-// Wall background renderer removed
-// Create raycasting renderer
-var wallRenderer = new RaycastRenderer();
+// Create wall background renderer (Sun texture behind walls)
+var wallBackgroundRenderer = new WallBackgroundRenderer();
+game.addChild(wallBackgroundRenderer);
+// Create sprite scaling renderer
+var wallRenderer = new SpriteScalingRenderer();
 game.addChild(wallRenderer);
 wallRenderer.generateWalls();
 // Create ceiling tile renderer
 var ceilingTileRenderer = new CeilingTileRenderer();
@@ -868,9 +858,19 @@
 game.addChild(player);
 // Create 3D renderer
 var renderer3D = new Renderer3D();
 game.addChild(renderer3D);
-// Crosshair removed
+// Create barely visible crosshair in center of screen
+var crosshair = LK.getAsset('Sun', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	width: 20,
+	height: 20
+});
+crosshair.alpha = 0.05; // Almost invisible
+crosshair.x = 1024; // Center X of screen
+crosshair.y = 1366; // Center Y of screen
+LK.gui.addChild(crosshair);
 // Create coordinate display text
 var coordXText = new Text2('X: 0', {
 	size: 60,
 	fill: 0xFFFFFF
@@ -1013,10 +1013,11 @@
 		player.lookDown();
 	}
 	// Apply smooth interpolation
 	player.updateSmooth();
-	// Render in optimal order: floor/ceiling, then raycasted walls, then ceiling details
-	renderer3D.render(player); // Handles floor and ceiling strips
+	// Render in optimal order: Sun background, floor/ceiling, then raycasted walls, then ceiling details
+	wallBackgroundRenderer.render(player); // Sun texture background
+	renderer3D.render(player); // Handles floor and ceiling strips  
 	wallRenderer.render(player); // True 2D raycasting wall rendering
 	ceilingTileRenderer.render(player); // Ceiling decorations on top
 	// Update coordinate display
 	var gridX = Math.floor(player.x / worldGrid.cellSize);