===================================================================
--- original.js
+++ change.js
@@ -5,42 +5,67 @@
 
 /**** 
 * Classes
 ****/ 
-var Block = Container.expand(function (type, gridX, gridY) {
+var Character = Container.expand(function () {
 	var self = Container.call(this);
-	self.blockType = type || 'grass';
+	var characterGraphics = self.attachAsset('character', {
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	self.speed = 5;
+	self.isInVehicle = false;
+	self.currentVehicle = null;
+	return self;
+});
+var CityElement = Container.expand(function (type, gridX, gridY) {
+	var self = Container.call(this);
+	self.elementType = type || 'road';
 	self.gridX = gridX;
 	self.gridY = gridY;
-	var assetName = 'grassBlock';
-	if (self.blockType === 'stone') {
-		assetName = 'stoneBlock';
-	} else if (self.blockType === 'wood') {
-		assetName = 'woodBlock';
-	} else if (self.blockType === 'dirt') {
-		assetName = 'dirtBlock';
+	var assetName = 'road';
+	if (self.elementType === 'building') {
+		assetName = 'building';
+	} else if (self.elementType === 'park') {
+		assetName = 'park';
+	} else if (self.elementType === 'road') {
+		assetName = 'road';
 	}
-	var blockGraphics = self.attachAsset(assetName, {
+	var elementGraphics = self.attachAsset(assetName, {
 		anchorX: 0,
 		anchorY: 0
 	});
 	self.down = function (x, y, obj) {
-		if (miningMode) {
-			breakBlock(self);
-		} else {
-			// Show block info or interact
-		}
+		// Interact with city element
+		console.log('Interacted with', self.elementType);
 	};
 	return self;
 });
-var Player = Container.expand(function () {
+var Vehicle = Container.expand(function (type, x, y) {
 	var self = Container.call(this);
-	var playerGraphics = self.attachAsset('player', {
+	self.vehicleType = type || 'car';
+	self.speed = type === 'train' ? 8 : type === 'bus' ? 4 : 6;
+	self.occupied = false;
+	var assetName = type;
+	var vehicleGraphics = self.attachAsset(assetName, {
 		anchorX: 0.5,
-		anchorY: 1
+		anchorY: 0.5
 	});
-	self.speed = 5;
-	self.selectedBlock = 'grass';
+	self.down = function (x, y, obj) {
+		if (!self.occupied && !character.isInVehicle) {
+			// Enter vehicle
+			character.isInVehicle = true;
+			character.currentVehicle = self;
+			self.occupied = true;
+			character.x = self.x;
+			character.y = self.y;
+			if (self.vehicleType === 'car') {
+				LK.getSound('carEngine').play();
+			} else if (self.vehicleType === 'train') {
+				LK.getSound('trainHorn').play();
+			}
+		}
+	};
 	return self;
 });
 
 /**** 
@@ -52,139 +77,202 @@
 
 /**** 
 * Game Code
 ****/ 
-var world = [];
-var worldWidth = 25;
-var worldHeight = 20;
-var blockSize = 80;
+var cityMap = [];
+var cityWidth = 25;
+var cityHeight = 20;
+var tileSize = 100;
 var cameraX = 0;
 var cameraY = 0;
-var miningMode = false;
-var buildMode = true;
-// Player
-var player = new Player();
-player.x = 1024;
-player.y = 1000;
-game.addChild(player);
+var vehicles = [];
+var explorationMode = true;
+// Character
+var character = new Character();
+character.x = 1024;
+character.y = 1366;
+game.addChild(character);
 // UI Elements
-var modeText = new Text2('BUILD MODE', {
-	size: 60,
+var statusText = new Text2('EXPLORING CITY', {
+	size: 50,
 	fill: 0xFFFFFF
 });
-modeText.anchor.set(0.5, 0);
-LK.gui.top.addChild(modeText);
-var inventoryUI = LK.getAsset('inventory', {
-	anchorX: 0.5,
-	anchorY: 1
+statusText.anchor.set(0.5, 0);
+LK.gui.top.addChild(statusText);
+var minimap = LK.getAsset('minimap', {
+	anchorX: 1,
+	anchorY: 0
 });
-LK.gui.bottom.addChild(inventoryUI);
-var selectedBlockText = new Text2('GRASS BLOCK', {
-	size: 40,
+LK.gui.topRight.addChild(minimap);
+var vehicleText = new Text2('ON FOOT', {
+	size: 35,
 	fill: 0xFFFFFF
 });
-selectedBlockText.anchor.set(0.5, 0);
-selectedBlockText.y = -80;
-LK.gui.bottom.addChild(selectedBlockText);
-// Initialize world with base terrain
-function generateWorld() {
-	for (var x = 0; x < worldWidth; x++) {
-		world[x] = [];
-		for (var y = 0; y < worldHeight; y++) {
-			world[x][y] = null;
-			// Generate base terrain
-			if (y >= 15) {
-				var blockType = 'dirt';
-				if (y === 15) blockType = 'grass';
-				if (y >= 18) blockType = 'stone';
-				var block = new Block(blockType, x, y);
-				block.x = x * blockSize;
-				block.y = y * blockSize;
-				world[x][y] = block;
-				game.addChild(block);
+vehicleText.anchor.set(0.5, 1);
+vehicleText.y = -20;
+LK.gui.bottom.addChild(vehicleText);
+// Initialize city layout
+function generateCity() {
+	for (var x = 0; x < cityWidth; x++) {
+		cityMap[x] = [];
+		for (var y = 0; y < cityHeight; y++) {
+			cityMap[x][y] = null;
+			// Generate city layout
+			var elementType = 'road'; // Default roads
+			// Create building blocks
+			if ((x % 4 === 1 || x % 4 === 2) && (y % 4 === 1 || y % 4 === 2)) {
+				elementType = 'building';
 			}
+			// Add parks occasionally
+			if (x % 8 === 0 && y % 8 === 0) {
+				elementType = 'park';
+			}
+			var cityElement = new CityElement(elementType, x, y);
+			cityElement.x = x * tileSize;
+			cityElement.y = y * tileSize;
+			cityMap[x][y] = cityElement;
+			game.addChild(cityElement);
 		}
 	}
+	// Spawn vehicles around the city
+	spawnVehicles();
 }
+function spawnVehicles() {
+	// Spawn cars on roads
+	for (var i = 0; i < 8; i++) {
+		var car = new Vehicle('car');
+		car.x = Math.random() * 2048;
+		car.y = Math.random() * 2732;
+		vehicles.push(car);
+		game.addChild(car);
+	}
+	// Spawn buses
+	for (var i = 0; i < 3; i++) {
+		var bus = new Vehicle('bus');
+		bus.x = Math.random() * 2048;
+		bus.y = Math.random() * 2732;
+		vehicles.push(bus);
+		game.addChild(bus);
+	}
+	// Spawn trains
+	for (var i = 0; i < 2; i++) {
+		var train = new Vehicle('train');
+		train.x = 200 + i * 800;
+		train.y = 300;
+		vehicles.push(train);
+		game.addChild(train);
+	}
+}
 function getGridPosition(worldX, worldY) {
 	return {
-		x: Math.floor(worldX / blockSize),
-		y: Math.floor(worldY / blockSize)
+		x: Math.floor(worldX / tileSize),
+		y: Math.floor(worldY / tileSize)
 	};
 }
-function placeBlock(gridX, gridY, blockType) {
-	if (gridX < 0 || gridX >= worldWidth || gridY < 0 || gridY >= worldHeight) return;
-	if (world[gridX][gridY] !== null) return;
-	var block = new Block(blockType, gridX, gridY);
-	block.x = gridX * blockSize;
-	block.y = gridY * blockSize;
-	world[gridX][gridY] = block;
-	game.addChild(block);
-	LK.getSound('place').play();
+function exitVehicle() {
+	if (character.isInVehicle && character.currentVehicle) {
+		character.currentVehicle.occupied = false;
+		character.isInVehicle = false;
+		character.currentVehicle = null;
+		vehicleText.setText('ON FOOT');
+		LK.getSound('footsteps').play();
+	}
 }
-function breakBlock(block) {
-	if (!block) return;
-	var gridX = block.gridX;
-	var gridY = block.gridY;
-	world[gridX][gridY] = null;
-	block.destroy();
-	LK.getSound('break').play();
+function updateVehicleMovement() {
+	// Move trains along tracks
+	for (var i = 0; i < vehicles.length; i++) {
+		var vehicle = vehicles[i];
+		if (vehicle.vehicleType === 'train' && !vehicle.occupied) {
+			vehicle.x += 2;
+			if (vehicle.x > 2148) {
+				vehicle.x = -100;
+			}
+		}
+	}
 }
-function switchMode() {
-	miningMode = !miningMode;
-	buildMode = !buildMode;
-	if (miningMode) {
-		modeText.setText('MINING MODE');
+function updateVehicleStatus() {
+	if (character.isInVehicle && character.currentVehicle) {
+		var vehicleType = character.currentVehicle.vehicleType;
+		vehicleText.setText('DRIVING ' + vehicleType.toUpperCase());
+		statusText.setText('DRIVING IN CITY');
 	} else {
-		modeText.setText('BUILD MODE');
+		vehicleText.setText('ON FOOT');
+		statusText.setText('EXPLORING CITY');
 	}
 }
-function switchBlock() {
-	var blockTypes = ['grass', 'dirt', 'stone', 'wood'];
-	var currentIndex = blockTypes.indexOf(player.selectedBlock);
-	var nextIndex = (currentIndex + 1) % blockTypes.length;
-	player.selectedBlock = blockTypes[nextIndex];
-	selectedBlockText.setText(player.selectedBlock.toUpperCase() + ' BLOCK');
+function moveCharacterInVehicle(x, y) {
+	if (character.isInVehicle && character.currentVehicle) {
+		var vehicle = character.currentVehicle;
+		var speed = vehicle.speed;
+		var deltaX = x - vehicle.x;
+		var deltaY = y - vehicle.y;
+		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+		if (distance > 5) {
+			vehicle.x += deltaX / distance * speed;
+			vehicle.y += deltaY / distance * speed;
+			character.x = vehicle.x;
+			character.y = vehicle.y;
+		}
+	}
 }
-generateWorld();
+generateCity();
 game.down = function (x, y, obj) {
-	if (buildMode && !miningMode) {
-		var gridPos = getGridPosition(x, y);
-		placeBlock(gridPos.x, gridPos.y, player.selectedBlock);
+	// Move character to touch position when on foot
+	if (!character.isInVehicle) {
+		character.targetX = x;
+		character.targetY = y;
 	}
 };
 game.up = function (x, y, obj) {
-	// Double tap to switch modes
+	// Double tap to exit vehicle
 	var currentTime = Date.now();
 	if (currentTime - (game.lastTapTime || 0) < 300) {
-		switchMode();
+		if (character.isInVehicle) {
+			exitVehicle();
+		}
 	}
 	game.lastTapTime = currentTime;
 };
 game.move = function (x, y, obj) {
-	// Update player position to follow touch/mouse when in build mode
-	if (buildMode) {
-		player.x = x;
-		if (player.y > y - 100) {
-			player.y = y - 100;
+	if (character.isInVehicle) {
+		moveCharacterInVehicle(x, y);
+	} else {
+		// Move character on foot
+		var deltaX = x - character.x;
+		var deltaY = y - character.y;
+		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+		if (distance > 5) {
+			character.x += deltaX / distance * character.speed;
+			character.y += deltaY / distance * character.speed;
+			LK.getSound('footsteps').play();
 		}
 	}
 };
 game.update = function () {
-	// Simple gravity for player
-	if (player.y < 2732 - 200) {
-		var gridPos = getGridPosition(player.x, player.y + 120);
-		if (gridPos.x >= 0 && gridPos.x < worldWidth && gridPos.y >= 0 && gridPos.y < worldHeight) {
-			if (world[gridPos.x][gridPos.y] === null) {
-				player.y += 3; // Gravity
-			}
+	// Keep character in city bounds
+	if (character.x < 20) character.x = 20;
+	if (character.x > 2028) character.x = 2028;
+	if (character.y < 30) character.y = 30;
+	if (character.y > 2702) character.y = 2702;
+	// Update vehicle movements
+	updateVehicleMovement();
+	updateVehicleStatus();
+	// Move character towards target when on foot
+	if (!character.isInVehicle && character.targetX !== undefined) {
+		var deltaX = character.targetX - character.x;
+		var deltaY = character.targetY - character.y;
+		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+		if (distance > 10) {
+			character.x += deltaX / distance * character.speed;
+			character.y += deltaY / distance * character.speed;
+		} else {
+			character.targetX = undefined;
+			character.targetY = undefined;
 		}
 	}
-	// Keep player in bounds
-	if (player.x < 30) player.x = 30;
-	if (player.x > 2048 - 30) player.x = 2048 - 30;
-	if (player.y > 2732 - 200) player.y = 2732 - 200;
-	// Auto-switch blocks every 3 seconds for demo
-	if (LK.ticks % 180 === 0) {
-		switchBlock();
+	// Keep vehicle and character together
+	if (character.isInVehicle && character.currentVehicle) {
+		// Keep character position synced with vehicle
+		character.x = character.currentVehicle.x;
+		character.y = character.currentVehicle.y;
 	}
 };
\ No newline at end of file