/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0
});

/**** 
* Classes
****/ 
var Palm = Container.expand(function () {
	var self = Container.call(this);
	var palmGraphics = self.attachAsset('palm', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = palmGraphics.width;
	self.height = palmGraphics.height;
	self.isMoving = false;
	self.direction = "left"; // Default direction
	self.lastY = 0;
	self.update = function () {
		// Animation will be handled by tweens
		// This just ensures we have an update method for tracking
	};
	return self;
});
var PlayerCar = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('playerCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = carGraphics.width;
	self.height = carGraphics.height;
	self.speed = 0;
	self.maxSpeed = 15;
	self.steering = 0;
	self.crashed = false;
	self.crash = function () {
		if (!self.crashed) {
			self.crashed = true;
			LK.getSound('crash').play();
			LK.effects.flashObject(self, 0xFF0000, 1000);
			self.speed = Math.max(0, self.speed - 5);
			// Reset crash state after 1 second
			LK.setTimeout(function () {
				self.crashed = false;
			}, 1000);
		}
	};
	self.update = function () {
		// Handle car physics
		if (!self.crashed) {
			self.speed = Math.min(self.maxSpeed, self.speed + 0.1);
		}
		// Apply steering if not crashed
		if (!self.crashed) {
			self.x += self.steering;
		}
		// Keep car within bounds
		if (self.x < self.width / 2) {
			self.x = self.width / 2;
		}
		if (self.x > 2048 - self.width / 2) {
			self.x = 2048 - self.width / 2;
		}
	};
	return self;
});
var TrafficCar = Container.expand(function () {
	var self = Container.call(this);
	// Randomly select one of the available traffic car assets
	var carAssets = ['trafficCar', 'trafficCar2', 'trafficCar3', 'trafficCar4'];
	var selectedCarAsset = carAssets[Math.floor(Math.random() * carAssets.length)];
	var carGraphics = self.attachAsset(selectedCarAsset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = carGraphics.width;
	self.height = carGraphics.height;
	self.speed = 5;
	self.direction = Math.random() > 0.5 ? 1 : -1; // Random direction: -1 = left, 1 = right
	self.startY = 1400; // Starting Y position (further up the screen)
	self.targetY = 2732 + self.height; // Y position when fully off-screen (bottom)
	self.initialScale = 0.1;
	self.targetScale = 2.0;
	// Set target X position in one of the specified ranges
	self.targetX = Math.random() > 0.5 ? Math.random() * 500 + 2000 : Math.random() * 100;
	// Set initial scale
	self.scale.set(self.initialScale);
	self.update = function () {
		// Calculate progress towards target Y
		var progress = (self.y - self.startY) / (self.targetY - self.startY);
		progress = Math.max(0, Math.min(1, progress)); // Clamp between 0 and 1
		// Interpolate scale based on progress
		var currentScale = self.initialScale + (self.targetScale - self.initialScale) * progress;
		self.scale.set(currentScale);
		// Calculate X position based on progress (linear interpolation)
		var startX = 2048 / 2; // Center of screen
		self.x = startX + (self.targetX - startX) * progress;
		// Increase speed as car progresses - starting slow and getting faster
		var speedMultiplier = 0.5 + progress * 5; // Starts at 0.5 when progress=0, ends at 3.0 when progress=1
		// Update Y position with increasing speed
		self.y += (gameSpeed - self.speed) * speedMultiplier;
		// Destroy if off screen
		if (self.y > self.targetY) {
			// Check against targetY
			// Find and remove self from trafficCars array
			var index = trafficCars.indexOf(self);
			if (index > -1) {
				trafficCars.splice(index, 1);
			}
			self.destroy();
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game state variables
var gameSpeed = 10;
var gameStarted = false;
var gameTime = 30; // Initial time in seconds
var distance = 0;
var level = 1;
var checkpointDistance = 500; // Distance between checkpoints
var nextCheckpointAt = checkpointDistance;
var trafficCars = [];
var obstacles = [];
var checkpoints = [];
var timeBonuses = [];
var difficultyTimer;
// Create container groups
var palmGroup = new Container();
var roadLineGroup = new Container();
// Create palm trees
var PALM_COUNT = 10;
var palms = [];
var centerX = 2048 / 2; // Center of screen X
var centerY = 2732 / 2; // Center of screen Y
var palmSpawnCooldown = 30; // Spawn a palm every 0.5 seconds if needed
var palmSpawnTimer = 0; // Timer to track cooldown
var lastSpawnSide = "right"; // Track the last side a palm was spawned on
// Create Road Lines
var roadLines = [];
for (var i = 0; i < 40; i++) {
	var line = LK.getAsset('roadLine', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	line.x = 2048 / 2; // Center of the screen (50% x)
	// Calculate position with variable spacing (closer together at top)
	var progress = i / 40; // 0 to 1
	// Exponential spacing - lines get further apart as they go down
	var spacing = 40 + progress * progress * 200;
	// Start from centerY instead of 0
	var yPos = i > 0 ? roadLines[i - 1].y + spacing : centerY;
	line.y = yPos;
	// Initial scale based on position (larger at top, smaller at bottom)
	var scaleX = 3.0 - progress * 2.5; // Width decreases with progress (3.0 to 0.5)
	var scaleY = 3.0 - progress * 2.0; // Height decreases with progress (3.0 to 1.0)
	line.scale.set(scaleX, scaleY);
	line.lastY = line.y;
	roadLines.push(line);
	roadLineGroup.addChild(line);
}
// Sway parameters
var swayCounter = 0;
// Create road
var road = LK.getAsset('road', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 1100
});
game.addChild(road);
game.addChild(palmGroup);
game.addChild(roadLineGroup);
// Create player car
var player = new PlayerCar();
player.x = 2048 / 2;
player.y = 2732 - 300;
game.addChild(player);
// Create UI elements
var timeText = new Text2('Time: 30', {
	size: 80,
	fill: 0xFFFFFF
});
timeText.anchor.set(0, 0);
LK.gui.topRight.addChild(timeText);
timeText.x = -250; // Offset from right edge
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
LK.gui.top.addChild(scoreText);
var levelText = new Text2('Level: 1', {
	size: 80,
	fill: 0xFFFFFF
});
levelText.anchor.set(0, 0);
LK.gui.topRight.addChild(levelText);
levelText.y = 100; // Offset below time
levelText.x = -250; // Offset from right edge
var startText = new Text2('TAP TO START', {
	size: 120,
	fill: 0xFFFFFF
});
startText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(startText);
// Functions to spawn game elements
function spawnTrafficCar() {
	// Only spawn a new car if there are no cars on screen
	if (trafficCars.length === 0) {
		var car = new TrafficCar();
		car.x = 2048 / 2; // Start in the middle of the screen
		car.y = car.startY; // Start at the defined startY
		car.speed = 3 + Math.random() * 5; // Random speed
		trafficCars.push(car);
		game.addChild(car);
	}
	// Schedule next check for spawning
	var nextSpawnTime = 1000; // Check every second
	LK.setTimeout(spawnTrafficCar, nextSpawnTime);
}
// Start game function
function startGame() {
	gameStarted = true;
	gameTime = 30;
	distance = 0;
	level = 1;
	gameSpeed = 10;
	nextCheckpointAt = checkpointDistance;
	LK.setScore(0);
	// Update UI
	scoreText.setText('Score: 0');
	timeText.setText('Time: ' + Math.ceil(gameTime));
	levelText.setText('Level: ' + level);
	// Remove start text
	LK.gui.center.removeChild(startText);
	// Start spawning game elements
	spawnTrafficCar();
	// Set timer to increase difficulty
	difficultyTimer = LK.setInterval(function () {
		if (gameStarted) {
			level++;
			gameSpeed += 1;
			levelText.setText('Level: ' + level);
		}
	}, 30000); // Increase difficulty every 30 seconds
	// Play background music
	LK.playMusic('bgmusic');
	// Palm spawning is handled in the update function
}
// Handle touch input
game.down = function (x, y) {
	if (!gameStarted) {
		startGame();
		return;
	}
};
game.move = function (x, y) {
	if (!gameStarted) {
		return;
	}
	// Move player car directly to mouse X position
	var targetX = x;
	// Apply smooth movement by calculating the difference
	var deltaX = targetX - player.x;
	player.steering = deltaX * 0.1; // Smooth movement factor
};
game.up = function () {
	if (gameStarted) {
		// No need to reset steering as we'll continue to follow mouse
	}
};
// Main game update function
game.update = function () {
	if (!gameStarted) {
		return;
	}
	// Update game time
	gameTime -= 1 / 60; // Assuming 60 FPS
	timeText.setText('Time: ' + Math.ceil(gameTime));
	// Update distance
	if (gameStarted) {
		distance += gameSpeed;
		LK.setScore(Math.floor(distance / 10));
		scoreText.setText('Score: ' + LK.getScore());
		// Update palm animations
		for (var p = palms.length - 1; p >= 0; p--) {
			var palm = palms[p];
			// Check if palm exists before accessing its properties
			if (palm) {
				palm.lastY = palm.y;
				// Start a new palm animation if palm is not already moving
				if (palm.isMoving === false) {
					palm.isMoving = true;
					// Set target position based on direction (left or right corner)
					var targetX = palm.direction === "left" ? -4500 : 5500; // Left or right edge
					var targetY = 2732 + 100; // Below bottom of screen
					var targetScale = 2.0; // End larger
					// Create tween animation with perspective effect - use same duration for all palms
					tween(palm, {
						x: targetX,
						y: targetY,
						scaleX: targetScale * (lastSpawnSide === "right" ? 1 : -1),
						scaleY: targetScale
					}, {
						duration: 3000,
						// Same fixed duration for all palms: 3 seconds
						easing: tween.easeIn // Removed onFinish callback
					});
				}
				// Check if palm has moved significantly past the bottom of the screen and destroy it
				var destroyYPosition = 2500; // Check if center is 150px below the bottom edge
				if (palm.isMoving && palm.y > destroyYPosition) {
					// Palm is off-screen, destroy it
					var index = palms.indexOf(palm);
					if (index > -1) {
						palmGroup.removeChild(palm);
						palms.splice(index, 1);
						palm.destroy();
					}
					// Skip to next palm as this one is destroyed
					continue;
				}
			}
		} // End of loop processing existing palms
		// Update palm spawn timer and generate new palms if needed
		palmSpawnTimer -= 1;
		if (palmSpawnTimer <= 0 && palms.length < PALM_COUNT) {
			palmSpawnTimer = palmSpawnCooldown; // Reset timer
			var newPalm = new Palm();
			// Alternate spawn side based on the last spawned side
			lastSpawnSide = lastSpawnSide === "right" ? "left" : "right";
			// Start from exact center point
			newPalm.x = centerX + (lastSpawnSide === "right" ? 50 : -50);
			newPalm.y = centerY - 100; // Start at center
			newPalm.scale.set(0.1); // Start small
			newPalm.scaleX *= lastSpawnSide === "right" ? 1 : -1;
			newPalm.lastY = newPalm.y;
			newPalm.direction = lastSpawnSide; // Use the determined side
			newPalm.isMoving = false; // Flag to track if palm is currently animating
			palms.push(newPalm);
			palmGroup.addChild(newPalm);
		}
		// Move road lines
		for (var r = 0; r < roadLines.length; r++) {
			var line = roadLines[r];
			line.lastY = line.y;
			line.y += 5 * gameSpeed / 10;
			if (line.y > 2732) {
				line.x = 2048 / 2; // Center of the screen (50% x)
				line.y = centerY; // Reset to center of screen
				// Reset scale to largest for lines that just respawned (they're at the top/horizon)
				line.scale.set(3.0, 1.0);
			}
			// Update scale based on Y position to create reverse perspective
			var progress = line.y / 2732; // 0 at top, 1 at bottom
			progress = Math.max(0, Math.min(1, progress)); // Clamp between 0 and 1
			// Scale decreases with progress (large at top, small at bottom)
			var scaleY = 1.0 + (1.0 - progress) * 2.0; // Height decreases as it moves down
			var scaleX = 3.0 - progress * 2.5; // Width decreases as it moves down (3.0 to 0.5)
			// Keep position fixed at center - no spreading
			line.x = 2048 / 2; // Keep all lines at center
			line.scale.set(scaleX, scaleY);
		}
	}
	// Game will continue indefinitely - removed game over condition
	gameTime = Math.max(gameTime, 0.1); // Keep time from reaching zero
	// Check collisions with traffic cars but just trigger visual effect without ending game
	for (var i = trafficCars.length - 1; i >= 0; i--) {
		var car = trafficCars[i];
		if (player.intersects(car) && !player.crashed) {
			player.crash();
			trafficCars.splice(i, 1);
			car.destroy();
			// Add small time bonus on collision instead of ending game
			gameTime += 1;
		}
	}
};
function endGame() {
	if (!gameStarted) {
		return;
	}
	// Just save high score without ending the game
	if (LK.getScore() > storage.highScore) {
		storage.highScore = LK.getScore();
	}
	// Game continues - no game over screen
}

===================================================================
--- original.js
+++ change.js
@@ -363,9 +363,9 @@
 			line.lastY = line.y;
 			line.y += 5 * gameSpeed / 10;
 			if (line.y > 2732) {
 				line.x = 2048 / 2; // Center of the screen (50% x)
-				line.y = 0; // Reset to top of screen
+				line.y = centerY; // Reset to center of screen
 				// Reset scale to largest for lines that just respawned (they're at the top/horizon)
 				line.scale.set(3.0, 1.0);
 			}
 			// Update scale based on Y position to create reverse perspective