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

/**** 
* Classes
****/ 
var PlayerCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('playerCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isDestroyed = false;
	return self;
});
var RoadDivider = Container.expand(function () {
	var self = Container.call(this);
	var dividerGraphics = self.attachAsset('laneDivider', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var TrafficVehicle = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'car';
	self.speed = 4 + Math.random() * 3;
	self.points = self.type === 'truck' ? 20 : 10;
	self.hasCollided = false;
	var vehicleGraphics = self.attachAsset(self.type === 'truck' ? 'truck' : 'trafficCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x333333
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var trafficVehicles = [];
var roadDividers = [];
var lanes = [400, 600, 800, 1000, 1200, 1400, 1648]; // 7 lanes across the screen
var spawnTimer = 0;
var spawnDelay = 60; // frames between spawns
var gameSpeed = 1;
var speedIncreaseTimer = 0;
var dragActive = false;
var dividerSpawnTimer = 0;
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var instructionTxt = new Text2('Drag to crash into traffic!', {
	size: 60,
	fill: 0xFFFF00
});
instructionTxt.anchor.set(0.5, 0);
instructionTxt.y = 100;
LK.gui.top.addChild(instructionTxt);
// Initialize player
player = game.addChild(new PlayerCar());
player.x = 1024; // Center horizontally
player.y = 2500; // Near bottom of screen
// Spawn traffic vehicle
function spawnTrafficVehicle() {
	var laneIndex = Math.floor(Math.random() * lanes.length);
	var vehicleType = Math.random() < 0.3 ? 'truck' : 'car';
	var vehicle = new TrafficVehicle(vehicleType);
	vehicle.x = lanes[laneIndex];
	vehicle.y = -100; // Start above screen
	trafficVehicles.push(vehicle);
	game.addChild(vehicle);
}
// Spawn road dividers
function spawnRoadDivider() {
	var dividerPositions = [500, 700, 900, 1100, 1300, 1500]; // Between lanes
	for (var i = 0; i < dividerPositions.length; i++) {
		var divider = new RoadDivider();
		divider.x = dividerPositions[i];
		divider.y = -100;
		roadDividers.push(divider);
		game.addChild(divider);
	}
}
// Handle collision
function handleCollision(vehicle) {
	if (vehicle.hasCollided) return;
	vehicle.hasCollided = true;
	var points = vehicle.points;
	// Check for bonus multi-vehicle crashes
	var nearbyVehicles = 0;
	for (var i = 0; i < trafficVehicles.length; i++) {
		var other = trafficVehicles[i];
		if (other !== vehicle && !other.hasCollided) {
			var distance = Math.sqrt(Math.pow(vehicle.x - other.x, 2) + Math.pow(vehicle.y - other.y, 2));
			if (distance < 150) {
				nearbyVehicles++;
				other.hasCollided = true;
				points += other.points;
			}
		}
	}
	// Bonus for multi-vehicle crashes
	if (nearbyVehicles > 0) {
		points += nearbyVehicles * 5;
		LK.getSound('bonus').play();
	} else {
		LK.getSound('crash').play();
	}
	// Update score
	LK.setScore(LK.getScore() + points);
	scoreTxt.setText('Score: ' + LK.getScore());
	// Visual effects
	LK.effects.flashObject(vehicle, 0xff0000, 500);
	LK.effects.flashObject(player, 0xffff00, 300);
	// Tween crashed vehicle
	tween(vehicle, {
		alpha: 0.3,
		scaleX: 1.5,
		scaleY: 1.5
	}, {
		duration: 500,
		easing: tween.easeOut
	});
}
// Touch controls
game.down = function (x, y, obj) {
	dragActive = true;
	player.x = x;
};
game.move = function (x, y, obj) {
	if (dragActive) {
		player.x = Math.max(200, Math.min(1848, x)); // Keep within screen bounds
	}
};
game.up = function (x, y, obj) {
	dragActive = false;
};
// Main game loop
game.update = function () {
	// Spawn traffic vehicles
	spawnTimer++;
	if (spawnTimer >= spawnDelay) {
		spawnTrafficVehicle();
		spawnTimer = 0;
	}
	// Spawn road dividers
	dividerSpawnTimer++;
	if (dividerSpawnTimer >= 120) {
		// Every 2 seconds
		spawnRoadDivider();
		dividerSpawnTimer = 0;
	}
	// Increase difficulty over time
	speedIncreaseTimer++;
	if (speedIncreaseTimer >= 1800) {
		// Every 30 seconds
		gameSpeed += 0.1;
		spawnDelay = Math.max(20, spawnDelay - 2);
		speedIncreaseTimer = 0;
	}
	// Update road dividers
	for (var i = roadDividers.length - 1; i >= 0; i--) {
		var divider = roadDividers[i];
		// Remove dividers that are off screen
		if (divider.y > 2800) {
			divider.destroy();
			roadDividers.splice(i, 1);
		}
	}
	// Update traffic vehicles
	for (var i = trafficVehicles.length - 1; i >= 0; i--) {
		var vehicle = trafficVehicles[i];
		// Check collision with player
		if (!vehicle.hasCollided && player.intersects(vehicle)) {
			handleCollision(vehicle);
		}
		// Check if vehicle was missed (passed player without collision)
		if (!vehicle.hasCollided && vehicle.y > player.y + 100) {
			// Vehicle missed - game over
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
		// Remove vehicles that are off screen
		if (vehicle.y > 2800) {
			vehicle.destroy();
			trafficVehicles.splice(i, 1);
		}
	}
	// Hide instruction text after first crash
	if (LK.getScore() > 0 && instructionTxt.alpha > 0) {
		tween(instructionTxt, {
			alpha: 0
		}, {
			duration: 1000
		});
	}
};

===================================================================
--- original.js
+++ change.js
@@ -14,8 +14,20 @@
 	});
 	self.isDestroyed = false;
 	return self;
 });
+var RoadDivider = Container.expand(function () {
+	var self = Container.call(this);
+	var dividerGraphics = self.attachAsset('laneDivider', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 8;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
 var TrafficVehicle = Container.expand(function (type) {
 	var self = Container.call(this);
 	self.type = type || 'car';
 	self.speed = 4 + Math.random() * 3;
@@ -43,14 +55,16 @@
 ****/ 
 // Game variables
 var player;
 var trafficVehicles = [];
+var roadDividers = [];
 var lanes = [400, 600, 800, 1000, 1200, 1400, 1648]; // 7 lanes across the screen
 var spawnTimer = 0;
 var spawnDelay = 60; // frames between spawns
 var gameSpeed = 1;
 var speedIncreaseTimer = 0;
 var dragActive = false;
+var dividerSpawnTimer = 0;
 // UI Elements
 var scoreTxt = new Text2('Score: 0', {
 	size: 80,
 	fill: 0xFFFFFF
@@ -77,8 +91,19 @@
 	vehicle.y = -100; // Start above screen
 	trafficVehicles.push(vehicle);
 	game.addChild(vehicle);
 }
+// Spawn road dividers
+function spawnRoadDivider() {
+	var dividerPositions = [500, 700, 900, 1100, 1300, 1500]; // Between lanes
+	for (var i = 0; i < dividerPositions.length; i++) {
+		var divider = new RoadDivider();
+		divider.x = dividerPositions[i];
+		divider.y = -100;
+		roadDividers.push(divider);
+		game.addChild(divider);
+	}
+}
 // Handle collision
 function handleCollision(vehicle) {
 	if (vehicle.hasCollided) return;
 	vehicle.hasCollided = true;
@@ -139,23 +164,46 @@
 	if (spawnTimer >= spawnDelay) {
 		spawnTrafficVehicle();
 		spawnTimer = 0;
 	}
+	// Spawn road dividers
+	dividerSpawnTimer++;
+	if (dividerSpawnTimer >= 120) {
+		// Every 2 seconds
+		spawnRoadDivider();
+		dividerSpawnTimer = 0;
+	}
 	// Increase difficulty over time
 	speedIncreaseTimer++;
 	if (speedIncreaseTimer >= 1800) {
 		// Every 30 seconds
 		gameSpeed += 0.1;
 		spawnDelay = Math.max(20, spawnDelay - 2);
 		speedIncreaseTimer = 0;
 	}
+	// Update road dividers
+	for (var i = roadDividers.length - 1; i >= 0; i--) {
+		var divider = roadDividers[i];
+		// Remove dividers that are off screen
+		if (divider.y > 2800) {
+			divider.destroy();
+			roadDividers.splice(i, 1);
+		}
+	}
 	// Update traffic vehicles
 	for (var i = trafficVehicles.length - 1; i >= 0; i--) {
 		var vehicle = trafficVehicles[i];
 		// Check collision with player
 		if (!vehicle.hasCollided && player.intersects(vehicle)) {
 			handleCollision(vehicle);
 		}
+		// Check if vehicle was missed (passed player without collision)
+		if (!vehicle.hasCollided && vehicle.y > player.y + 100) {
+			// Vehicle missed - game over
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
 		// Remove vehicles that are off screen
 		if (vehicle.y > 2800) {
 			vehicle.destroy();
 			trafficVehicles.splice(i, 1);