/**** 
* 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 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 UnifiedSpriteRenderer = Container.expand(function () {
	var self = Container.call(this);
	// Unified sprite-based rendering system for walls, floors, and ceilings
	self.wallSprites = [];
	self.floorSprites = [];
	self.ceilingSprites = [];
	self.maxRenderDistance = 1200;
	self.fogStart = 600;
	self.wallPool = []; // Pool of reusable wall sprites
	self.floorPool = []; // Pool of reusable floor sprites
	self.ceilingPool = []; // Pool of reusable ceiling sprites
	self.activeWallSprites = []; // Currently active wall sprites
	self.activeFloorSprites = []; // Currently active floor sprites
	self.activeCeilingSprites = []; // Currently active ceiling sprites
	self.poolSize = 200; // Maximum sprites in each pool
	// Initialize sprite pools for performance
	self.initSpritePools = function () {
		// Initialize wall sprite pool
		for (var i = 0; i < self.poolSize; i++) {
			var wallSprite = self.addChild(LK.getAsset('wall', {
				anchorX: 0.5,
				anchorY: 1.0 // Anchor at bottom for ground positioning
			}));
			wallSprite.visible = false;
			self.wallPool.push(wallSprite);
			var floorSprite = self.addChild(LK.getAsset('piso', {
				anchorX: 0.5,
				anchorY: 0.5
			}));
			floorSprite.visible = false;
			self.floorPool.push(floorSprite);
			var ceilingSprite = self.addChild(LK.getAsset('ceilingStrip', {
				anchorX: 0.5,
				anchorY: 0.5
			}));
			ceilingSprite.visible = false;
			self.ceilingPool.push(ceilingSprite);
		}
	};
	// Get sprite from appropriate pool
	self.getWallSprite = function () {
		if (self.wallPool.length > 0) {
			return self.wallPool.pop();
		} else {
			return self.addChild(LK.getAsset('wall', {
				anchorX: 0.5,
				anchorY: 1.0
			}));
		}
	};
	self.getFloorSprite = function () {
		if (self.floorPool.length > 0) {
			return self.floorPool.pop();
		} else {
			return self.addChild(LK.getAsset('piso', {
				anchorX: 0.5,
				anchorY: 0.5
			}));
		}
	};
	self.getCeilingSprite = function () {
		if (self.ceilingPool.length > 0) {
			return self.ceilingPool.pop();
		} else {
			return self.addChild(LK.getAsset('ceilingStrip', {
				anchorX: 0.5,
				anchorY: 0.5
			}));
		}
	};
	// Return sprites to pools
	self.returnWallSprite = function (sprite) {
		sprite.visible = false;
		sprite.scaleX = 1;
		sprite.scaleY = 1;
		sprite.rotation = 0;
		sprite.alpha = 1;
		sprite.tint = 0xFFFFFF;
		if (self.wallPool.length < self.poolSize) {
			self.wallPool.push(sprite);
		}
	};
	self.returnFloorSprite = function (sprite) {
		sprite.visible = false;
		sprite.scaleX = 1;
		sprite.scaleY = 1;
		sprite.rotation = 0;
		sprite.alpha = 1;
		sprite.tint = 0xFFFFFF;
		if (self.floorPool.length < self.poolSize) {
			self.floorPool.push(sprite);
		}
	};
	self.returnCeilingSprite = function (sprite) {
		sprite.visible = false;
		sprite.scaleX = 1;
		sprite.scaleY = 1;
		sprite.rotation = 0;
		sprite.alpha = 1;
		sprite.tint = 0xFFFFFF;
		if (self.ceilingPool.length < self.poolSize) {
			self.ceilingPool.push(sprite);
		}
	};
	// Unified sprite-based renderer with distortion effects
	self.render = function (player) {
		// Return all active sprites to pools
		for (var i = 0; i < self.activeWallSprites.length; i++) {
			self.returnWallSprite(self.activeWallSprites[i]);
		}
		for (var i = 0; i < self.activeFloorSprites.length; i++) {
			self.returnFloorSprite(self.activeFloorSprites[i]);
		}
		for (var i = 0; i < self.activeCeilingSprites.length; i++) {
			self.returnCeilingSprite(self.activeCeilingSprites[i]);
		}
		self.activeWallSprites = [];
		self.activeFloorSprites = [];
		self.activeCeilingSprites = [];
		// 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 floors and ceilings first (behind walls)
		self.renderFloorAndCeiling(player, wallsToRender);
		// Render each visible wall as a scaled sprite
		for (var i = 0; i < wallsToRender.length && i < self.poolSize / 3; i++) {
			var wall = wallsToRender[i];
			var sprite = self.getWallSprite();
			self.activeWallSprites.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;
		}
	};
	// Render floor and ceiling sprites with perspective distortion
	self.renderFloorAndCeiling = function (player, wallsToRender) {
		var fov = Math.PI / 3;
		var screenHeight = 2732;
		var screenCenter = screenHeight / 2;
		var pitchOffset = player.pitch * 400;
		// Create floor and ceiling strips across the screen
		for (var x = 0; x < 2048; x += 32) {
			// Render every 32 pixels for performance
			var screenX = x;
			var rayAngle = player.angle - fov / 2 + x / 2048 * fov;
			// Cast ray to find distance for floor/ceiling perspective
			var rayData = self.castRayWithCoords(player.x, player.y, rayAngle);
			var distance = rayData.distance;
			// Calculate wall height for floor/ceiling boundaries
			var baseWallSize = 400;
			var wallHeight = Math.max(100, baseWallSize * (1000 / (distance + 100)));
			var halfWallHeight = wallHeight / 2;
			var wallTop = screenCenter - halfWallHeight + pitchOffset;
			var wallBottom = screenCenter + halfWallHeight + pitchOffset;
			// Render floor sprite
			var floorSprite = self.getFloorSprite();
			self.activeFloorSprites.push(floorSprite);
			floorSprite.x = screenX;
			floorSprite.y = wallBottom + (screenHeight - wallBottom) / 2;
			floorSprite.width = 32;
			floorSprite.height = Math.max(2, screenHeight - wallBottom);
			var floorFogFactor = Math.max(0.3, 1.0 - distance / self.maxRenderDistance);
			floorSprite.alpha = floorFogFactor;
			floorSprite.visible = true;
			// Render ceiling sprite
			var ceilingSprite = self.getCeilingSprite();
			self.activeCeilingSprites.push(ceilingSprite);
			ceilingSprite.x = screenX;
			ceilingSprite.y = wallTop / 2;
			ceilingSprite.width = 32;
			ceilingSprite.height = Math.max(2, wallTop);
			var ceilingFogFactor = Math.max(0.3, 1.0 - distance / self.maxRenderDistance);
			ceilingSprite.alpha = ceilingFogFactor;
			ceilingSprite.tint = 0x1a1a15; // Darker ceiling
			ceilingSprite.visible = true;
		}
	};
	// Raycast helper method
	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
		};
	};
	// Generate method (required by game code)
	self.generateWalls = function () {
		self.initSpritePools();
	};
	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 unified sprite renderer for walls, floors, and ceilings
var unifiedRenderer = new UnifiedSpriteRenderer();
game.addChild(unifiedRenderer);
unifiedRenderer.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 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, unified sprite rendering (walls/floors/ceilings), then ceiling details
	wallBackgroundRenderer.render(player); // Sun texture background
	unifiedRenderer.render(player); // Unified sprite-based rendering for walls, floors, and ceilings
	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
@@ -208,151 +208,8 @@
 		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;
@@ -469,59 +326,127 @@
 	// Initially hidden
 	self.visible = false;
 	return self;
 });
-var SpriteScalingRenderer = Container.expand(function () {
+var UnifiedSpriteRenderer = Container.expand(function () {
 	var self = Container.call(this);
-	// Sprite-based scaling and distortion system
+	// Unified sprite-based rendering system for walls, floors, and ceilings
 	self.wallSprites = [];
+	self.floorSprites = [];
+	self.ceilingSprites = [];
 	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 () {
+	self.wallPool = []; // Pool of reusable wall sprites
+	self.floorPool = []; // Pool of reusable floor sprites
+	self.ceilingPool = []; // Pool of reusable ceiling sprites
+	self.activeWallSprites = []; // Currently active wall sprites
+	self.activeFloorSprites = []; // Currently active floor sprites
+	self.activeCeilingSprites = []; // Currently active ceiling sprites
+	self.poolSize = 200; // Maximum sprites in each pool
+	// Initialize sprite pools for performance
+	self.initSpritePools = function () {
+		// Initialize wall sprite pool
 		for (var i = 0; i < self.poolSize; i++) {
-			var sprite = self.addChild(LK.getAsset('wall', {
+			var wallSprite = self.addChild(LK.getAsset('wall', {
 				anchorX: 0.5,
 				anchorY: 1.0 // Anchor at bottom for ground positioning
 			}));
-			sprite.visible = false;
-			self.spritePool.push(sprite);
+			wallSprite.visible = false;
+			self.wallPool.push(wallSprite);
+			var floorSprite = self.addChild(LK.getAsset('piso', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+			floorSprite.visible = false;
+			self.floorPool.push(floorSprite);
+			var ceilingSprite = self.addChild(LK.getAsset('ceilingStrip', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+			ceilingSprite.visible = false;
+			self.ceilingPool.push(ceilingSprite);
 		}
 	};
-	// Get sprite from pool or create new one
-	self.getSprite = function () {
-		if (self.spritePool.length > 0) {
-			return self.spritePool.pop();
+	// Get sprite from appropriate pool
+	self.getWallSprite = function () {
+		if (self.wallPool.length > 0) {
+			return self.wallPool.pop();
 		} else {
-			var sprite = self.addChild(LK.getAsset('wall', {
+			return self.addChild(LK.getAsset('wall', {
 				anchorX: 0.5,
 				anchorY: 1.0
 			}));
-			return sprite;
 		}
 	};
-	// Return sprite to pool
-	self.returnSprite = function (sprite) {
+	self.getFloorSprite = function () {
+		if (self.floorPool.length > 0) {
+			return self.floorPool.pop();
+		} else {
+			return self.addChild(LK.getAsset('piso', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+		}
+	};
+	self.getCeilingSprite = function () {
+		if (self.ceilingPool.length > 0) {
+			return self.ceilingPool.pop();
+		} else {
+			return self.addChild(LK.getAsset('ceilingStrip', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			}));
+		}
+	};
+	// Return sprites to pools
+	self.returnWallSprite = 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);
+		if (self.wallPool.length < self.poolSize) {
+			self.wallPool.push(sprite);
 		}
 	};
-	// Sprite-based scaling renderer with distortion effects
+	self.returnFloorSprite = function (sprite) {
+		sprite.visible = false;
+		sprite.scaleX = 1;
+		sprite.scaleY = 1;
+		sprite.rotation = 0;
+		sprite.alpha = 1;
+		sprite.tint = 0xFFFFFF;
+		if (self.floorPool.length < self.poolSize) {
+			self.floorPool.push(sprite);
+		}
+	};
+	self.returnCeilingSprite = function (sprite) {
+		sprite.visible = false;
+		sprite.scaleX = 1;
+		sprite.scaleY = 1;
+		sprite.rotation = 0;
+		sprite.alpha = 1;
+		sprite.tint = 0xFFFFFF;
+		if (self.ceilingPool.length < self.poolSize) {
+			self.ceilingPool.push(sprite);
+		}
+	};
+	// Unified sprite-based 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]);
+		// Return all active sprites to pools
+		for (var i = 0; i < self.activeWallSprites.length; i++) {
+			self.returnWallSprite(self.activeWallSprites[i]);
 		}
-		self.activeSprites = [];
+		for (var i = 0; i < self.activeFloorSprites.length; i++) {
+			self.returnFloorSprite(self.activeFloorSprites[i]);
+		}
+		for (var i = 0; i < self.activeCeilingSprites.length; i++) {
+			self.returnCeilingSprite(self.activeCeilingSprites[i]);
+		}
+		self.activeWallSprites = [];
+		self.activeFloorSprites = [];
+		self.activeCeilingSprites = [];
 		// 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);
@@ -569,13 +494,15 @@
 		// Sort walls by distance (farthest first for proper depth)
 		wallsToRender.sort(function (a, b) {
 			return b.distance - a.distance;
 		});
+		// Render floors and ceilings first (behind walls)
+		self.renderFloorAndCeiling(player, wallsToRender);
 		// Render each visible wall as a scaled sprite
-		for (var i = 0; i < wallsToRender.length && i < self.poolSize; i++) {
+		for (var i = 0; i < wallsToRender.length && i < self.poolSize / 3; i++) {
 			var wall = wallsToRender[i];
-			var sprite = self.getSprite();
-			self.activeSprites.push(sprite);
+			var sprite = self.getWallSprite();
+			self.activeWallSprites.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);
@@ -623,11 +550,82 @@
 			}
 			sprite.visible = true;
 		}
 	};
-	// Generate walls method (required by game code)
+	// Render floor and ceiling sprites with perspective distortion
+	self.renderFloorAndCeiling = function (player, wallsToRender) {
+		var fov = Math.PI / 3;
+		var screenHeight = 2732;
+		var screenCenter = screenHeight / 2;
+		var pitchOffset = player.pitch * 400;
+		// Create floor and ceiling strips across the screen
+		for (var x = 0; x < 2048; x += 32) {
+			// Render every 32 pixels for performance
+			var screenX = x;
+			var rayAngle = player.angle - fov / 2 + x / 2048 * fov;
+			// Cast ray to find distance for floor/ceiling perspective
+			var rayData = self.castRayWithCoords(player.x, player.y, rayAngle);
+			var distance = rayData.distance;
+			// Calculate wall height for floor/ceiling boundaries
+			var baseWallSize = 400;
+			var wallHeight = Math.max(100, baseWallSize * (1000 / (distance + 100)));
+			var halfWallHeight = wallHeight / 2;
+			var wallTop = screenCenter - halfWallHeight + pitchOffset;
+			var wallBottom = screenCenter + halfWallHeight + pitchOffset;
+			// Render floor sprite
+			var floorSprite = self.getFloorSprite();
+			self.activeFloorSprites.push(floorSprite);
+			floorSprite.x = screenX;
+			floorSprite.y = wallBottom + (screenHeight - wallBottom) / 2;
+			floorSprite.width = 32;
+			floorSprite.height = Math.max(2, screenHeight - wallBottom);
+			var floorFogFactor = Math.max(0.3, 1.0 - distance / self.maxRenderDistance);
+			floorSprite.alpha = floorFogFactor;
+			floorSprite.visible = true;
+			// Render ceiling sprite
+			var ceilingSprite = self.getCeilingSprite();
+			self.activeCeilingSprites.push(ceilingSprite);
+			ceilingSprite.x = screenX;
+			ceilingSprite.y = wallTop / 2;
+			ceilingSprite.width = 32;
+			ceilingSprite.height = Math.max(2, wallTop);
+			var ceilingFogFactor = Math.max(0.3, 1.0 - distance / self.maxRenderDistance);
+			ceilingSprite.alpha = ceilingFogFactor;
+			ceilingSprite.tint = 0x1a1a15; // Darker ceiling
+			ceilingSprite.visible = true;
+		}
+	};
+	// Raycast helper method
+	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
+		};
+	};
+	// Generate method (required by game code)
 	self.generateWalls = function () {
-		self.initSpritePool();
+		self.initSpritePools();
 	};
 	return self;
 });
 var WallBackgroundRenderer = Container.expand(function () {
@@ -841,12 +839,12 @@
 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 unified sprite renderer for walls, floors, and ceilings
+var unifiedRenderer = new UnifiedSpriteRenderer();
+game.addChild(unifiedRenderer);
+unifiedRenderer.generateWalls();
 // Create ceiling tile renderer
 var ceilingTileRenderer = new CeilingTileRenderer();
 game.addChild(ceilingTileRenderer);
 ceilingTileRenderer.generateTiles();
@@ -855,11 +853,8 @@
 // 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,
@@ -1013,12 +1008,11 @@
 		player.lookDown();
 	}
 	// Apply smooth interpolation
 	player.updateSmooth();
-	// Render in optimal order: Sun background, floor/ceiling, then raycasted walls, then ceiling details
+	// Render in optimal order: Sun background, unified sprite rendering (walls/floors/ceilings), 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
+	unifiedRenderer.render(player); // Unified sprite-based rendering for walls, floors, and ceilings
 	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);