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

/**** 
* Classes
****/ 
var EnemyCar = Container.expand(function () {
	var self = Container.call(this);
	var enemyCarGraphics = self.attachAsset('Cars', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Assign random color (excluding red)
	var enemyColors = [0x0066ff,
	// Blue
	0x00ff66,
	// Green
	0xffff00,
	// Yellow
	0xff8800,
	// Orange
	0x8800ff,
	// Purple
	0x00ffff,
	// Cyan
	0xff00ff,
	// Magenta
	0x888888,
	// Gray
	0xffffff // White
	];
	var randomColorIndex = Math.floor(Math.random() * enemyColors.length);
	enemyCarGraphics.tint = enemyColors[randomColorIndex];
	// Basic properties for enemy car with weight
	self.velocityX = 0;
	self.velocityY = 0;
	self.rotation = 0;
	self.weight = 1.0 + Math.random() * 1.5; // Random weight between 1.0 and 2.5
	return self;
});
var Particle = Container.expand(function () {
	var self = Container.call(this);
	// Random particle size between 10.8-25.2 pixels (20% smaller than original)
	var particleSize = 10.8 + Math.random() * 14.4;
	var particleGraphics = self.attachAsset('ParticulasVel', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: particleSize / 30,
		scaleY: particleSize / 30
	});
	// Random initial properties (20% smaller velocities)
	self.velocityX = (Math.random() - 0.5) * 3.2;
	self.velocityY = Math.random() * 2.4 + 0.8;
	self.lifespan = 20 + Math.random() * 20; // Reduced lifespan: 0.33-0.67 seconds at 60fps
	self.age = 0;
	self.update = function () {
		// Update position
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Age particle
		self.age++;
		// Fade out over time
		var fadeProgress = self.age / self.lifespan;
		particleGraphics.alpha = 1 - fadeProgress;
		// Scale down over time
		var scaleProgress = 1 - fadeProgress * 0.5;
		particleGraphics.scaleX = particleSize / 30 * scaleProgress;
		particleGraphics.scaleY = particleSize / 30 * scaleProgress;
		// Apply gravity and air resistance (20% reduced for smaller scale)
		self.velocityY += 0.08; // Reduced gravity
		self.velocityX *= 0.984; // Slightly less air resistance
		self.velocityY *= 0.984;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Create gameplay background - 4/5 of screen height (top portion)
6;
var gameplayBackground = game.attachAsset('gameplayBg', {
	x: 0,
	y: 0,
	anchorX: 0,
	anchorY: 0
});
// Create carPlayer character on top of gameplayBackground
var carPlayer = gameplayBackground.attachAsset('CarPlayer', {
	x: 1024,
	// Center horizontally
	y: 1800,
	// Position in lower portion of gameplay area
	anchorX: 0.5,
	anchorY: 0.5
});
// Create enemy car in gameplay area at random position
var enemyCar = new EnemyCar();
// Generate random position around the edges or inside the gameplay area
var spawnSide = Math.floor(Math.random() * 4); // 0=top, 1=right, 2=bottom, 3=left
var centerX = 1024; // Center of gameplay area
var centerY = 1093; // Center of gameplay area (2186/2)
switch (spawnSide) {
	case 0:
		// Top edge
		enemyCar.x = Math.random() * 1800 + 124; // Random X between 124-1924
		enemyCar.y = Math.random() * 300 + 50; // Random Y between 50-350
		break;
	case 1:
		// Right edge
		enemyCar.x = Math.random() * 300 + 1700; // Random X between 1700-2000
		enemyCar.y = Math.random() * 1800 + 193; // Random Y between 193-1993
		break;
	case 2:
		// Bottom edge
		enemyCar.x = Math.random() * 1800 + 124; // Random X between 124-1924
		enemyCar.y = Math.random() * 300 + 1836; // Random Y between 1836-2136
		break;
	case 3:
		// Left edge
		enemyCar.x = Math.random() * 300 + 50; // Random X between 50-350
		enemyCar.y = Math.random() * 1800 + 193; // Random Y between 193-1993
		break;
}
// Calculate rotation to face the center
var deltaX = centerX - enemyCar.x;
var deltaY = centerY - enemyCar.y;
enemyCar.rotation = Math.atan2(deltaX, -deltaY); // Rotation to face center
gameplayBackground.addChild(enemyCar);
// Create UI background - 1/5 of screen height (bottom portion)
var uiBackground = game.attachAsset('uiBg', {
	x: 0,
	y: 2186,
	anchorX: 0,
	anchorY: 0
});
// Create speed display text
var speedText = new Text2('Speed: 0', {
	size: 60,
	fill: 0x000000
});
speedText.anchor.set(0, 0.5);
speedText.x = 50;
speedText.y = 2459; // Center vertically in UI area
game.addChild(speedText);
// Create joystickBG centered in UI background
var joystickBG = uiBackground.attachAsset('JoystickBG', {
	x: 1024,
	// Center horizontally in UI
	y: 273,
	// Center vertically in UI (546/2 = 273)
	anchorX: 0.5,
	anchorY: 0.5
});
// Create point object that will follow touch position
var point = null;
// Create JoystickPoinr that will follow point position smoothly
var joystickPoinr = game.attachAsset('JoystickPoinr', {
	x: 1024,
	y: 2459,
	anchorX: 0.5,
	anchorY: 0.5
});
// Variables for smooth movement
var targetX = 1024;
var targetY = 2459;
var smoothSpeed = 0.2;
// Variables for smooth rotation
var targetRotation = 0;
var baseRotationSpeed = 0.052;
// Variables for realistic car physics
var currentVelocity = 0;
var acceleration = 0.16;
var deceleration = 0.44;
var maxSpeed = 15.36;
// Variables for drift physics
var velocityX = 0;
var velocityY = 0;
var driftFactor = 0.85; // How much momentum is retained (lower = more drift)
var gripFactor = 0.3; // How quickly car aligns with direction (lower = more drift)
// Player car weight
var playerCarWeight = 1.2; // Player car is moderately heavy
// Handle touch down - create and show point
game.down = function (x, y, obj) {
	// Create point at touch position
	point = game.attachAsset('Puntero', {
		x: x,
		y: y,
		anchorX: 0.5,
		anchorY: 0.5
	});
};
// Handle touch move - update point position
game.move = function (x, y, obj) {
	if (point) {
		point.x = x;
		point.y = y;
		// Calculate joystickBG world position
		var joystickWorldX = joystickBG.x + uiBackground.x;
		var joystickWorldY = joystickBG.y + uiBackground.y;
		// Calculate distance from joystick center
		var deltaX = x - joystickWorldX;
		var deltaY = y - joystickWorldY;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		var maxRadius = joystickBG.width / 2;
		// Limit movement to joystick radius
		if (distance > maxRadius) {
			var angle = Math.atan2(deltaY, deltaX);
			deltaX = Math.cos(angle) * maxRadius;
			deltaY = Math.sin(angle) * maxRadius;
		}
		// Update target position for smooth movement (constrained)
		targetX = joystickWorldX + deltaX;
		targetY = joystickWorldY + deltaY;
	}
};
// Handle touch up - remove point
game.up = function (x, y, obj) {
	if (point) {
		point.destroy();
		point = null;
		// Reset target position to joystick center
		var joystickWorldX = joystickBG.x + uiBackground.x;
		var joystickWorldY = joystickBG.y + uiBackground.y;
		targetX = joystickWorldX;
		targetY = joystickWorldY;
	}
};
// Update function for smooth movement
game.update = function () {
	// Smoothly move JoystickPoinr towards target position
	var deltaX = targetX - joystickPoinr.x;
	var deltaY = targetY - joystickPoinr.y;
	joystickPoinr.x += deltaX * smoothSpeed;
	joystickPoinr.y += deltaY * smoothSpeed;
	// Double-check that joystickPoinr stays within bounds
	var joystickWorldX = joystickBG.x + uiBackground.x;
	var joystickWorldY = joystickBG.y + uiBackground.y;
	var currentDeltaX = joystickPoinr.x - joystickWorldX;
	var currentDeltaY = joystickPoinr.y - joystickWorldY;
	var currentDistance = Math.sqrt(currentDeltaX * currentDeltaX + currentDeltaY * currentDeltaY);
	var maxRadius = joystickBG.width / 2;
	if (currentDistance > maxRadius) {
		var angle = Math.atan2(currentDeltaY, currentDeltaX);
		joystickPoinr.x = joystickWorldX + Math.cos(angle) * maxRadius;
		joystickPoinr.y = joystickWorldY + Math.sin(angle) * maxRadius;
	}
	// Update car rotation based on joystick position
	var joystickOffsetX = joystickPoinr.x - joystickWorldX;
	var joystickOffsetY = joystickPoinr.y - joystickWorldY;
	var joystickDistance = Math.sqrt(joystickOffsetX * joystickOffsetX + joystickOffsetY * joystickOffsetY);
	// Calculate power based on distance from center (0 to 1)
	var power = Math.min(joystickDistance / maxRadius, 1);
	// Only rotate if joystick is moved significantly from center
	if (joystickDistance > 10) {
		var joystickAngle = Math.atan2(joystickOffsetX, -joystickOffsetY);
		targetRotation = joystickAngle;
	}
	// Smoothly interpolate car rotation towards target
	var rotationDelta = targetRotation - carPlayer.rotation;
	// Handle angle wrapping for shortest rotation path
	while (rotationDelta > Math.PI) {
		rotationDelta -= 2 * Math.PI;
	}
	while (rotationDelta < -Math.PI) {
		rotationDelta += 2 * Math.PI;
	}
	// Calculate rotation speed based on current velocity (slower speed = much slower turning)
	var speedRatio = Math.sqrt(velocityX * velocityX + velocityY * velocityY) / maxSpeed;
	var dynamicRotationSpeed = baseRotationSpeed * Math.max(0.1, speedRatio); // Minimum 10% rotation speed
	carPlayer.rotation += rotationDelta * dynamicRotationSpeed;
	// Calculate target velocity based on joystick power
	var targetVelocity = maxSpeed * power;
	// Apply smooth velocity transitions with exponential interpolation
	if (power > 0.1) {
		// Accelerating - smooth exponential approach to target velocity
		var velocityDiff = targetVelocity - currentVelocity;
		var accelerationRate = 0.004; // Smooth acceleration rate (20% slower for smaller car)
		currentVelocity += velocityDiff * accelerationRate;
	} else {
		// Decelerating when joystick is near center - smooth exponential decay
		var decelerationRate = 0.048; // Smooth deceleration rate (20% slower for smaller car)
		currentVelocity *= 1 - decelerationRate;
		if (Math.abs(currentVelocity) < 0.1) {
			currentVelocity = 0;
		}
	}
	// Limit velocity to max speed
	currentVelocity = Math.min(currentVelocity, maxSpeed);
	// Calculate intended movement direction based on car rotation and current velocity
	var intendedMoveX = Math.sin(carPlayer.rotation) * currentVelocity;
	var intendedMoveY = -Math.cos(carPlayer.rotation) * currentVelocity;
	// Calculate turning friction based on dynamic rotation speed
	var rotationFriction = Math.abs(rotationDelta * dynamicRotationSpeed) * 0.8; // Reduced friction intensity for smoother feel
	var frictionMultiplier = Math.max(0.85, 1 - rotationFriction); // Less velocity reduction when turning (min 0.85 for more natural feel)
	// Apply drift physics - blend current momentum with intended direction
	velocityX = velocityX * driftFactor + intendedMoveX * gripFactor;
	velocityY = velocityY * driftFactor + intendedMoveY * gripFactor;
	// Apply turning friction to reduce velocity when steering
	velocityX *= frictionMultiplier;
	velocityY *= frictionMultiplier;
	// Apply some base deceleration to drift momentum
	velocityX *= 0.98;
	velocityY *= 0.98;
	// Update car position using drift momentum
	carPlayer.x += velocityX;
	carPlayer.y += velocityY;
	// Keep car within gameplay area bounds with realistic collision physics
	var halfCarWidth = 16; // CarPlayer width is 32, so half is 16
	var halfCarHeight = 24; // CarPlayer height is 47.36, so half is ~24
	// Calculate current speed for impact calculations
	var currentSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
	var impactThreshold = 2; // Minimum speed to trigger impact effects
	// Realistic collision physics with energy loss and proper angles
	if (carPlayer.x < halfCarWidth) {
		carPlayer.x = halfCarWidth;
		// Calculate impact intensity based on perpendicular velocity component
		var impactVelocity = Math.abs(velocityX);
		var energyLoss = 0.4 + impactVelocity / maxSpeed * 0.3; // More energy loss at higher speeds
		// Realistic bounce with energy conservation
		velocityX = -velocityX * (1 - energyLoss);
		velocityY *= 0.8; // Friction reduces parallel velocity component
		// Visual feedback for significant impacts
		if (impactVelocity > impactThreshold) {
			LK.effects.flashObject(carPlayer, 0xff4444, 200);
		}
	}
	if (carPlayer.x > 2048 - halfCarWidth) {
		carPlayer.x = 2048 - halfCarWidth;
		// Calculate impact intensity based on perpendicular velocity component
		var impactVelocity = Math.abs(velocityX);
		var energyLoss = 0.4 + impactVelocity / maxSpeed * 0.3; // More energy loss at higher speeds
		// Realistic bounce with energy conservation
		velocityX = -velocityX * (1 - energyLoss);
		velocityY *= 0.8; // Friction reduces parallel velocity component
		// Visual feedback for significant impacts
		if (impactVelocity > impactThreshold) {
			LK.effects.flashObject(carPlayer, 0xff4444, 200);
		}
	}
	if (carPlayer.y < halfCarHeight) {
		carPlayer.y = halfCarHeight;
		// Calculate impact intensity based on perpendicular velocity component
		var impactVelocity = Math.abs(velocityY);
		var energyLoss = 0.4 + impactVelocity / maxSpeed * 0.3; // More energy loss at higher speeds
		// Realistic bounce with energy conservation
		velocityY = -velocityY * (1 - energyLoss);
		velocityX *= 0.8; // Friction reduces parallel velocity component
		// Visual feedback for significant impacts
		if (impactVelocity > impactThreshold) {
			LK.effects.flashObject(carPlayer, 0xff4444, 200);
		}
	}
	if (carPlayer.y > 2186 - halfCarHeight) {
		carPlayer.y = 2186 - halfCarHeight;
		// Calculate impact intensity based on perpendicular velocity component
		var impactVelocity = Math.abs(velocityY);
		var energyLoss = 0.4 + impactVelocity / maxSpeed * 0.3; // More energy loss at higher speeds
		// Realistic bounce with energy conservation
		velocityY = -velocityY * (1 - energyLoss);
		velocityX *= 0.8; // Friction reduces parallel velocity component
		// Visual feedback for significant impacts
		if (impactVelocity > impactThreshold) {
			LK.effects.flashObject(carPlayer, 0xff4444, 200);
		}
	}
	// Apply smooth braking to player car after wall collision for more natural deceleration
	if (!carPlayer.smoothBraking) carPlayer.smoothBraking = false;
	if (!carPlayer.brakeFrames) carPlayer.brakeFrames = 0;
	var currentPlayerSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
	// If player car was just launched (high velocity), enable smooth braking
	if (currentPlayerSpeed > maxSpeed * 0.6 && !carPlayer.smoothBraking) {
		carPlayer.smoothBraking = true;
		carPlayer.brakeFrames = 0;
	}
	// Smooth braking logic: apply a gentle, progressive friction for a short period after wall collision
	if (carPlayer.smoothBraking) {
		// Braking lasts for 18 frames (~0.3s at 60fps)
		var brakeDuration = 18;
		var brakeProgress = Math.min(1, carPlayer.brakeFrames / brakeDuration);
		// Start with gentle friction, increase to normal friction
		var minFriction = 0.96;
		var maxFriction = 0.92 - currentPlayerSpeed / maxSpeed * 0.05;
		var frictionRate = minFriction + (maxFriction - minFriction) * brakeProgress;
		velocityX *= frictionRate;
		velocityY *= frictionRate;
		carPlayer.brakeFrames++;
		if (carPlayer.brakeFrames >= brakeDuration) {
			carPlayer.smoothBraking = false;
		}
	} else if (currentPlayerSpeed > 0.1) {
		// Normal progressive friction when not actively controlling
		if (power <= 0.1) {
			// Only apply extra friction when not accelerating
			var frictionRate = 0.92 - currentPlayerSpeed / maxSpeed * 0.05; // More friction at higher speeds
			velocityX *= frictionRate;
			velocityY *= frictionRate;
		}
	} else {
		// Stop very slow movement to prevent endless drift
		if (power <= 0.1) {
			velocityX = 0;
			velocityY = 0;
		}
	}
	// Particle system for car exhaust (global, supports all cars)
	if (!game.particles) {
		game.particles = [];
	}
	// Helper function to emit particles for any car
	function emitCarParticles(car, vx, vy, rotation, maxSpeed, gameplayBackground) {
		var totalSpeed = Math.sqrt(vx * vx + vy * vy);
		var speedRatio = totalSpeed / maxSpeed;
		var particleFrequency = Math.max(1, Math.floor(8 - speedRatio * 6));
		if (speedRatio > 0.05 && LK.ticks % particleFrequency === 0) {
			// Calculate particle spawn position behind the car
			var particleSpawnX = car.x - Math.sin(rotation) * 55;
			var particleSpawnY = car.y + Math.cos(rotation) * 55;
			var particleCount = Math.max(1, Math.floor(speedRatio * 3));
			for (var p = 0; p < particleCount; p++) {
				var newParticle = new Particle();
				newParticle.x = particleSpawnX + (Math.random() - 0.5) * 19.2;
				newParticle.y = particleSpawnY + (Math.random() - 0.5) * 19.2;
				newParticle.velocityX += -vx * 0.12 + (Math.random() - 0.5) * 2.4;
				newParticle.velocityY += -vy * 0.12 + (Math.random() - 0.5) * 2.4;
				game.particles.push(newParticle);
				gameplayBackground.addChild(newParticle);
				// Tween particle color for variety
				var colors = [0xffffff, 0xcccccc, 0x999999, 0x666666];
				var randomColor = colors[Math.floor(Math.random() * colors.length)];
				tween(newParticle.children[0], {
					tint: randomColor
				}, {
					duration: 100
				});
			}
		}
	}
	// Emit particles for player car
	emitCarParticles(carPlayer, velocityX, velocityY, carPlayer.rotation, maxSpeed, gameplayBackground);
	// Emit particles for enemy car (use AI velocity + collision velocity)
	var enemyTotalVX = (typeof enemyCar.aiVelocityX !== "undefined" ? enemyCar.aiVelocityX : 0) + (typeof enemyCar.velocityX !== "undefined" ? enemyCar.velocityX : 0);
	var enemyTotalVY = (typeof enemyCar.aiVelocityY !== "undefined" ? enemyCar.aiVelocityY : 0) + (typeof enemyCar.velocityY !== "undefined" ? enemyCar.velocityY : 0);
	emitCarParticles(enemyCar, enemyTotalVX, enemyTotalVY, enemyCar.rotation, maxSpeed, gameplayBackground);
	// Update and clean up particles
	for (var i = game.particles.length - 1; i >= 0; i--) {
		var particle = game.particles[i];
		if (particle.age >= particle.lifespan) {
			particle.destroy();
			game.particles.splice(i, 1);
		}
	}
	// Check collision between player car and enemy car using smaller collision boxes
	if (!carPlayer.lastColliding) carPlayer.lastColliding = false;
	// Define smaller collision boxes (approximately 60% of actual asset size for more precise collision)
	var playerCollisionWidth = 38; // Reduced from 64px width
	var playerCollisionHeight = 57; // Reduced from ~95px height
	var enemyCollisionWidth = 38; // Reduced from 64px width  
	var enemyCollisionHeight = 57; // Reduced from ~94px height
	// Calculate collision boxes centers
	var playerLeft = carPlayer.x - playerCollisionWidth / 2;
	var playerRight = carPlayer.x + playerCollisionWidth / 2;
	var playerTop = carPlayer.y - playerCollisionHeight / 2;
	var playerBottom = carPlayer.y + playerCollisionHeight / 2;
	var enemyLeft = enemyCar.x - enemyCollisionWidth / 2;
	var enemyRight = enemyCar.x + enemyCollisionWidth / 2;
	var enemyTop = enemyCar.y - enemyCollisionHeight / 2;
	var enemyBottom = enemyCar.y + enemyCollisionHeight / 2;
	// More precise collision detection using smaller bounding boxes
	var currentColliding = !(playerRight < enemyLeft || playerLeft > enemyRight || playerBottom < enemyTop || playerTop > enemyBottom);
	if (!carPlayer.lastColliding && currentColliding) {
		// Collision just started - calculate collision physics with mass
		var playerSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
		var enemySpeed = Math.sqrt(enemyCar.velocityX * enemyCar.velocityX + enemyCar.velocityY * enemyCar.velocityY);
		// Calculate collision direction (from player car to enemy car)
		var collisionDeltaX = enemyCar.x - carPlayer.x;
		var collisionDeltaY = enemyCar.y - carPlayer.y;
		var collisionDistance = Math.sqrt(collisionDeltaX * collisionDeltaX + collisionDeltaY * collisionDeltaY);
		// Normalize collision direction
		if (collisionDistance > 0) {
			collisionDeltaX /= collisionDistance;
			collisionDeltaY /= collisionDistance;
		}
		// Calculate momentum transfer using conservation of momentum
		// m1*v1 + m2*v2 = m1*v1' + m2*v2' (simplified elastic collision)
		var totalMass = playerCarWeight + enemyCar.weight;
		var massRatio1 = (playerCarWeight - enemyCar.weight) / totalMass;
		var massRatio2 = 2 * enemyCar.weight / totalMass;
		var massRatio3 = 2 * playerCarWeight / totalMass;
		var massRatio4 = (enemyCar.weight - playerCarWeight) / totalMass;
		// Make energy loss proportional to current speed for more natural and realistic crash
		// At low speed, little loss; at high speed, much more loss
		var relativeSpeed = Math.max(playerSpeed, enemySpeed);
		var minLoss = 0.18; // minimum energy loss at very low speed
		var maxLoss = 0.65; // maximum energy loss at very high speed
		var speedNorm = Math.min(1, relativeSpeed / maxSpeed); // 0 to 1
		var energyLoss = minLoss + (maxLoss - minLoss) * speedNorm;
		var restitution = 1 - energyLoss;
		// Separate cars to prevent overlap (less exaggerated separation)
		var separationDistance = 70; // Reduced from 110 for more natural push
		carPlayer.x = enemyCar.x - collisionDeltaX * separationDistance;
		carPlayer.y = enemyCar.y - collisionDeltaY * separationDistance;
		// Calculate new velocities based on mass and current motion
		// Player car velocity change (heavier cars are less affected)
		var playerImpactX = velocityX * massRatio1 + enemyCar.velocityX * massRatio2;
		var playerImpactY = velocityY * massRatio1 + enemyCar.velocityY * massRatio2;
		velocityX = playerImpactX * restitution;
		velocityY = playerImpactY * restitution;
		// Enemy car velocity change (lighter cars get pushed more)
		var enemyImpactX = velocityX * massRatio3 + enemyCar.velocityX * massRatio4;
		var enemyImpactY = velocityY * massRatio3 + enemyCar.velocityY * massRatio4;
		enemyCar.velocityX = enemyImpactX * restitution;
		enemyCar.velocityY = enemyImpactY * restitution;
		// --- NEW: Launch enemy car away from collision, push effect depends on collision speed ---
		var launchSpeed = Math.max(playerSpeed, enemySpeed);
		// Calculate push multiplier: gentle at low speed, exaggerated at high speed
		// At 0 speed: 0.4x, at maxSpeed: 1.5x (tunable)
		var minPush = 0.4;
		var maxPush = 1.5;
		var pushMultiplier = minPush + (maxPush - minPush) * speedNorm;
		// Direction from player to enemy (so enemy is launched away from player)
		var launchDirX = enemyCar.x - carPlayer.x;
		var launchDirY = enemyCar.y - carPlayer.y;
		var launchDist = Math.sqrt(launchDirX * launchDirX + launchDirY * launchDirY);
		// If the direction is too small (almost zero), use the player's movement direction
		if (launchDist < 0.01) {
			// Use the normalized velocity of the player (if moving)
			var playerMoveNorm = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
			if (playerMoveNorm > 0.01) {
				launchDirX = velocityX / playerMoveNorm;
				launchDirY = velocityY / playerMoveNorm;
			} else {
				// Default to up if both are zero
				launchDirX = 0;
				launchDirY = -1;
			}
		} else {
			launchDirX /= launchDist;
			launchDirY /= launchDist;
		}
		// Add launch velocity proportional to collision speed and pushMultiplier
		enemyCar.velocityX += launchDirX * launchSpeed * pushMultiplier;
		enemyCar.velocityY += launchDirY * launchSpeed * pushMultiplier;
		// --- END NEW ---
		// Add directional push based on collision angle and relative mass
		var pushIntensity = (playerSpeed + enemySpeed) * (0.5 + 0.5 * speedNorm); // More push at higher speed, less at low
		var playerPushRatio = enemyCar.weight / totalMass; // Heavier enemy = more push on player
		var enemyPushRatio = playerCarWeight / totalMass; // Heavier player = more push on enemy
		// Apply directional collision forces (less exaggerated, but still speed-dependent)
		velocityX += -collisionDeltaX * pushIntensity * playerPushRatio * 0.7;
		velocityY += -collisionDeltaY * pushIntensity * playerPushRatio * 0.7;
		enemyCar.velocityX += collisionDeltaX * pushIntensity * enemyPushRatio * 0.7;
		enemyCar.velocityY += collisionDeltaY * pushIntensity * enemyPushRatio * 0.7;
		// Reset acceleration interpolation so acceleration after crash feels like at driving start, but more severe at high speed
		var postCrashSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
		// If the crash was at high speed, reduce the post-collision velocity more (stronger reset)
		if (relativeSpeed > maxSpeed * 0.7) {
			// At very high speed, reduce velocity to 40% of post-collision value
			currentVelocity = postCrashSpeed * 0.4;
		} else if (relativeSpeed > maxSpeed * 0.4) {
			// At medium speed, reduce velocity to 70% of post-collision value
			currentVelocity = postCrashSpeed * 0.7;
		} else {
			// At low speed, keep as before
			currentVelocity = postCrashSpeed;
		}
		// Visual feedback for collision
		LK.effects.flashObject(carPlayer, 0xff0000, 500);
	}
	// Update last collision state
	carPlayer.lastColliding = currentColliding;
	// --- Enemy Car AI Movement Logic ---
	// Enemy car can switch between 'follow player' and 'free roam' AI modes
	if (typeof enemyCar.aiMode === "undefined") enemyCar.aiMode = "follow";
	if (typeof enemyCar.aiModeTimer === "undefined") enemyCar.aiModeTimer = 0;
	if (typeof enemyCar.aiModeDuration === "undefined") enemyCar.aiModeDuration = 0;
	// AI mode switching logic: change mode at intervals with speed-based preferences
	enemyCar.aiModeTimer++;
	if (enemyCar.aiModeTimer > enemyCar.aiModeDuration) {
		// Calculate target speed for mode preference
		var targetSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
		var targetSpeedRatio = targetSpeed / maxSpeed; // 0 to 1
		var followChance;
		// Speed-based mode preferences:
		// Very fast targets (>70% max speed) - 90% follow (for ambush tactics)
		// Fast targets (40-70% max speed) - 80% follow 
		// Medium targets (20-40% max speed) - 70% follow
		// Slow targets (<20% max speed) - 85% follow (for direct pursuit)
		if (targetSpeedRatio > 0.7) {
			// Very fast - prefer follow mode for ambush tactics
			followChance = 0.9;
		} else if (targetSpeedRatio > 0.4) {
			// Fast to medium - moderate follow preference
			followChance = 0.8;
		} else if (targetSpeedRatio > 0.2) {
			// Medium - balanced but still prefer follow
			followChance = 0.7;
		} else {
			// Slow - prefer follow mode for direct pursuit
			followChance = 0.85;
		}
		// Pick mode based on calculated preference
		if (Math.random() < followChance) {
			enemyCar.aiMode = "follow";
		} else {
			enemyCar.aiMode = "free";
		}
		// Duration: 1.2s to 3.5s (72 to 210 frames)
		enemyCar.aiModeDuration = 72 + Math.floor(Math.random() * 138);
		enemyCar.aiModeTimer = 0;
	}
	// --- AI movement logic depending on mode ---
	var aiDeltaX, aiDeltaY, aiDistance, aiTargetRotation, aiPower, aiTargetVelocity;
	// Edge avoidance logic - calculate repulsion from boundaries
	var edgeAvoidanceX = 0;
	var edgeAvoidanceY = 0;
	var edgeBuffer = 200; // Distance from edge to start avoiding
	var avoidanceStrength = 0.3; // How strongly to avoid edges
	// Check distance from each edge and calculate avoidance force
	if (enemyCar.x < edgeBuffer) {
		// Too close to left edge, push right
		var leftForce = (edgeBuffer - enemyCar.x) / edgeBuffer;
		edgeAvoidanceX += leftForce * avoidanceStrength;
	}
	if (enemyCar.x > 2048 - edgeBuffer) {
		// Too close to right edge, push left
		var rightForce = (enemyCar.x - (2048 - edgeBuffer)) / edgeBuffer;
		edgeAvoidanceX -= rightForce * avoidanceStrength;
	}
	if (enemyCar.y < edgeBuffer) {
		// Too close to top edge, push down
		var topForce = (edgeBuffer - enemyCar.y) / edgeBuffer;
		edgeAvoidanceY += topForce * avoidanceStrength;
	}
	if (enemyCar.y > 2186 - edgeBuffer) {
		// Too close to bottom edge, push up
		var bottomForce = (enemyCar.y - (2186 - edgeBuffer)) / edgeBuffer;
		edgeAvoidanceY -= bottomForce * avoidanceStrength;
	}
	if (enemyCar.aiMode === "follow") {
		// Initialize follow strategy if not set
		if (typeof enemyCar.followStrategy === "undefined") {
			enemyCar.followStrategy = 0;
			enemyCar.followStrategyTimer = 0;
			enemyCar.followStrategyDuration = 60 + Math.floor(Math.random() * 60); // 1-2 seconds for adaptive strategy
		}
		// Adaptive strategy selection based on target speed and position
		enemyCar.followStrategyTimer++;
		if (enemyCar.followStrategyTimer > enemyCar.followStrategyDuration) {
			// Calculate target speed and relative position for strategy selection
			var targetSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
			var targetSpeedRatio = targetSpeed / maxSpeed; // 0 to 1
			var relativeDistance = Math.sqrt(aiDeltaX * aiDeltaX + aiDeltaY * aiDeltaY);
			var relativeAngle = Math.atan2(aiDeltaX, -aiDeltaY);
			var enemyAngle = enemyCar.rotation;
			var angleDifference = Math.abs(relativeAngle - enemyAngle);
			while (angleDifference > Math.PI) angleDifference = 2 * Math.PI - angleDifference;
			var isTargetAhead = angleDifference < Math.PI / 3; // Within 60 degrees ahead
			var isTargetBehind = angleDifference > 2 * Math.PI / 3; // More than 120 degrees behind
			// Strategy selection with strong speed-based preferences:
			// DIRECT: Strongly preferred for slow targets (< 30% speed)
			// VARIED: For medium speeds and tactical situations  
			// AMBUSH: Strongly preferred for fast targets (> 60% speed)
			if (targetSpeedRatio < 0.3) {
				// Slow target - strongly prefer direct pursuit (85% chance)
				if (Math.random() < 0.85) {
					enemyCar.followStrategy = 0;
				} else {
					enemyCar.followStrategy = 1; // Occasional varied approach
				}
			} else if (targetSpeedRatio > 0.6) {
				// Fast target - strongly prefer ambush tactics (80% chance)
				if (Math.random() < 0.8) {
					enemyCar.followStrategy = 2; // Ambush for interception
				} else {
					enemyCar.followStrategy = 1; // Occasional varied approach
				}
			} else if (targetSpeedRatio < 0.05) {
				// Target is nearly stationary - use intimidation system
				// Initialize intimidation counter if not set
				if (typeof enemyCar.intimidationCount === "undefined") {
					enemyCar.intimidationCount = 0;
					enemyCar.maxIntimidations = 1 + Math.floor(Math.random() * 3); // 1-3 intimidations
				}
				// Check if we've completed enough intimidations
				if (enemyCar.intimidationCount >= enemyCar.maxIntimidations) {
					// Switch to direct attack after intimidating enough times
					enemyCar.followStrategy = 0; // Direct pursuit for attack
				} else {
					// Use varied mode for intimidation (doesn't seek collision)
					enemyCar.followStrategy = 1; // Intimidation approach
				}
			} else if (isTargetBehind || relativeDistance < 200) {
				// Target behind or very close - use varied approach for positioning
				enemyCar.followStrategy = 1;
			} else if (isTargetAhead && relativeDistance < 300) {
				// Target ahead and close - direct pursuit
				enemyCar.followStrategy = 0;
			} else {
				// Medium speed, medium distance - balanced approach favoring strategy based on speed
				if (targetSpeedRatio > 0.45) {
					// Lean towards ambush for faster medium speeds
					enemyCar.followStrategy = Math.random() < 0.6 ? 2 : 1;
				} else {
					// Lean towards direct for slower medium speeds  
					enemyCar.followStrategy = Math.random() < 0.6 ? 0 : 1;
				}
			}
			// Adjust duration based on selected strategy
			switch (enemyCar.followStrategy) {
				case 0:
					// Direct - shorter duration for quick decisions
					enemyCar.followStrategyDuration = 45 + Math.floor(Math.random() * 45);
					break;
				case 1:
					// Varied - medium duration for tactical maneuvering
					enemyCar.followStrategyDuration = 60 + Math.floor(Math.random() * 60);
					break;
				case 2:
					// Ambush - longer duration for prediction accuracy
					enemyCar.followStrategyDuration = 90 + Math.floor(Math.random() * 60);
					break;
			}
			enemyCar.followStrategyTimer = 0;
		}
		// Calculate base values
		aiDeltaX = carPlayer.x - enemyCar.x;
		aiDeltaY = carPlayer.y - enemyCar.y;
		aiDistance = Math.sqrt(aiDeltaX * aiDeltaX + aiDeltaY * aiDeltaY);
		// Calculate relative velocity and approach angle for smarter pursuit
		var relativeVelX = velocityX - (enemyCar.aiVelocityX || 0);
		var relativeVelY = velocityY - (enemyCar.aiVelocityY || 0);
		var approachAngle = Math.atan2(aiDeltaX, -aiDeltaY);
		var enemyCurrentAngle = enemyCar.rotation;
		var angleDiff = approachAngle - enemyCurrentAngle;
		while (angleDiff > Math.PI) angleDiff -= 2 * Math.PI;
		while (angleDiff < -Math.PI) angleDiff += 2 * Math.PI;
		// Anti-circling detection: check if we're in a circular pattern
		if (typeof enemyCar.lastPositions === "undefined") {
			enemyCar.lastPositions = [];
			enemyCar.circlingDetected = false;
			enemyCar.circlingCooldown = 0;
		}
		// Store position history for circling detection
		enemyCar.lastPositions.push({
			x: enemyCar.x,
			y: enemyCar.y,
			frame: LK.ticks
		});
		if (enemyCar.lastPositions.length > 60) {
			// Keep 1 second of history
			enemyCar.lastPositions.shift();
		}
		// Detect circling by checking if we've been in similar positions recently
		var circlingThreshold = 80; // Distance threshold for considering positions "similar"
		var circlingCount = 0;
		for (var i = 0; i < enemyCar.lastPositions.length - 20; i++) {
			var oldPos = enemyCar.lastPositions[i];
			var dist = Math.sqrt((enemyCar.x - oldPos.x) * (enemyCar.x - oldPos.x) + (enemyCar.y - oldPos.y) * (enemyCar.y - oldPos.y));
			if (dist < circlingThreshold) {
				circlingCount++;
			}
		}
		enemyCar.circlingDetected = circlingCount > 3 && aiDistance < 200; // Circling if close to player and repeating positions
		// Reduce circling cooldown
		if (enemyCar.circlingCooldown > 0) enemyCar.circlingCooldown--;
		// Initialize failure detection system for direct pursuit
		if (typeof enemyCar.directPursuitTimer === "undefined") {
			enemyCar.directPursuitTimer = 0;
			enemyCar.lastPlayerDistance = aiDistance;
			enemyCar.nearMissCount = 0;
			enemyCar.totalPursuitTime = 0;
		}
		// Apply different follow strategies with distance awareness
		switch (enemyCar.followStrategy) {
			case 0:
				// Direct pursuit - straight chase with distance management
				// Track pursuit effectiveness
				enemyCar.directPursuitTimer++;
				enemyCar.totalPursuitTime++;
				// Detect near misses - when AI gets very close but doesn't hit
				if (aiDistance < 80 && enemyCar.lastPlayerDistance > 80) {
					// Just entered close range
					enemyCar.directPursuitTimer = 0; // Reset timer on new approach
				}
				if (enemyCar.lastPlayerDistance < 80 && aiDistance > 120) {
					// Just left close range without collision - potential near miss
					enemyCar.nearMissCount++;
				}
				// Check for failure conditions in direct pursuit
				var pursuitFailed = false;
				if (enemyCar.nearMissCount >= 2) {
					// Failed after 2 near misses
					pursuitFailed = true;
				} else if (enemyCar.totalPursuitTime > 300 && !currentColliding) {
					// Failed after 5 seconds without collision
					pursuitFailed = true;
				} else if (enemyCar.directPursuitTimer > 120 && aiDistance > 200) {
					// Failed if stuck at medium distance for 2 seconds
					pursuitFailed = true;
				}
				// Switch strategy if direct pursuit failed
				if (pursuitFailed) {
					// Reset failure tracking
					enemyCar.nearMissCount = 0;
					enemyCar.totalPursuitTime = 0;
					enemyCar.directPursuitTimer = 0;
					// Calculate target speed for strategy selection
					var currentTargetSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
					var targetSpeedRatio = currentTargetSpeed / maxSpeed;
					// Choose new strategy based on current situation
					if (targetSpeedRatio > 0.5 || aiDistance > 300) {
						// Fast target or far away - try ambush
						enemyCar.followStrategy = 2;
						enemyCar.followStrategyDuration = 90 + Math.floor(Math.random() * 60);
					} else {
						// Slow target or close - try varied approach
						enemyCar.followStrategy = 1;
						enemyCar.followStrategyDuration = 60 + Math.floor(Math.random() * 60);
					}
					enemyCar.followStrategyTimer = 0;
				}
				// Check if AI can go straight to target for speed optimization
				var currentEnemyAngle = enemyCar.rotation;
				var straightLineAngle = Math.atan2(aiDeltaX, -aiDeltaY);
				var angleToTarget = straightLineAngle - currentEnemyAngle;
				while (angleToTarget > Math.PI) angleToTarget -= 2 * Math.PI;
				while (angleToTarget < -Math.PI) angleToTarget += 2 * Math.PI;
				// AI is considered "aligned" if facing within 15 degrees of target
				var isAlignedWithTarget = Math.abs(angleToTarget) < Math.PI / 12; // 15 degrees
				if (aiDistance < 120 && !enemyCar.circlingDetected) {
					// Too close - back off slightly at an angle
					var backoffAngle = approachAngle + Math.PI + (Math.random() - 0.5) * Math.PI * 0.5;
					aiTargetRotation = backoffAngle;
					aiPower = 0.3;
					aiTargetVelocity = maxSpeed * aiPower * 0.6;
				} else if (aiDistance > 500) {
					// Far away - check for straight line opportunity
					if (isAlignedWithTarget) {
						// Can go straight - use maximum speed for efficiency
						aiTargetRotation = straightLineAngle;
						aiPower = Math.min(1, aiDistance / 600);
						aiTargetVelocity = maxSpeed * aiPower * 1.0; // Full speed when aligned
					} else {
						// Need to turn first - direct approach at normal speed
						aiTargetRotation = approachAngle;
						aiPower = Math.min(1, aiDistance / 600);
						aiTargetVelocity = maxSpeed * aiPower * 0.95;
					}
				} else {
					// Medium distance - check alignment for speed boost
					if (isAlignedWithTarget && aiDistance > 200) {
						// Aligned and far enough - go straight at higher speed
						aiTargetRotation = straightLineAngle;
						aiPower = Math.min(1, aiDistance / 500);
						aiTargetVelocity = maxSpeed * aiPower * 0.98; // Near full speed when aligned
					} else {
						// Not aligned or too close - slight offset to avoid head-on collision
						var offsetAngle = (Math.random() - 0.5) * Math.PI * 0.2; // ±18 degrees
						aiTargetRotation = approachAngle + offsetAngle;
						aiPower = Math.min(1, aiDistance / 500);
						aiTargetVelocity = maxSpeed * aiPower * 0.92;
					}
				}
				// Update last distance for next frame
				enemyCar.lastPlayerDistance = aiDistance;
				break;
			case 1:
				// Varied pursuit - intimidation mode: follows like direct but maintains safe distance to scare
				if (enemyCar.circlingDetected && enemyCar.circlingCooldown <= 0) {
					// Break out of circling pattern
					var escapeAngle = approachAngle + Math.PI * 0.75 * (Math.random() < 0.5 ? 1 : -1);
					aiTargetRotation = escapeAngle;
					aiPower = 0.8;
					aiTargetVelocity = maxSpeed * aiPower * 0.85;
					enemyCar.circlingCooldown = 120; // 2 second cooldown
				} else if (aiDistance < 180) {
					// Intimidation range - follow closely but maintain threatening distance
					// Stay close enough to scare but far enough to avoid collision
					var intimidationDistance = 150; // Target distance for intimidation
					var distanceError = aiDistance - intimidationDistance;
					if (Math.abs(distanceError) < 30) {
						// Perfect intimidation distance - match player direction but slightly offset
						var intimidationOffset = Math.sin(LK.ticks * 0.05) * (Math.PI * 0.15); // Subtle weaving ±27 degrees
						aiTargetRotation = approachAngle + intimidationOffset;
						aiPower = 0.7;
						aiTargetVelocity = maxSpeed * aiPower * 0.85;
						// Check if target is stationary and we're intimidating
						var currentTargetSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
						if (currentTargetSpeed < maxSpeed * 0.05 && typeof enemyCar.intimidationCount !== "undefined") {
							// Mark intimidation as successful after maintaining perfect distance for a while
							if (typeof enemyCar.intimidationTimer === "undefined") enemyCar.intimidationTimer = 0;
							enemyCar.intimidationTimer++;
							// Complete intimidation after 2 seconds of perfect positioning
							if (enemyCar.intimidationTimer > 120) {
								enemyCar.intimidationCount++;
								enemyCar.intimidationTimer = 0;
								// Force strategy recalculation
								enemyCar.followStrategyTimer = enemyCar.followStrategyDuration + 1;
							}
						}
					} else if (distanceError < 0) {
						// Too close - back off while still facing player
						aiTargetRotation = approachAngle + Math.PI + (Math.random() - 0.5) * Math.PI * 0.3;
						aiPower = 0.4;
						aiTargetVelocity = maxSpeed * aiPower * 0.6;
					} else {
						// Too far - approach for intimidation
						aiTargetRotation = approachAngle;
						aiPower = 0.8;
						aiTargetVelocity = maxSpeed * aiPower * 0.9;
					}
				} else {
					// Long range - approach like direct pursuit for intimidation setup
					aiTargetRotation = approachAngle;
					aiPower = Math.min(1, aiDistance / 500);
					aiTargetVelocity = maxSpeed * aiPower * 0.92;
				}
				break;
			case 2:
				// Ambush - predict player's future position with smarter interception
				var playerVelX = velocityX;
				var playerVelY = velocityY;
				var playerSpeed = Math.sqrt(playerVelX * playerVelX + playerVelY * playerVelY);
				if (enemyCar.circlingDetected && enemyCar.circlingCooldown <= 0) {
					// Break circling with wide flanking maneuver
					var flankAngle = approachAngle + Math.PI * 0.8 * (Math.random() < 0.5 ? 1 : -1);
					aiTargetRotation = flankAngle;
					aiPower = 0.9;
					aiTargetVelocity = maxSpeed * aiPower * 0.9;
					enemyCar.circlingCooldown = 180; // 3 second cooldown
				} else if (aiDistance < 150) {
					// Close range - position for optimal angle of attack
					var attackAngle = approachAngle + Math.PI * 0.4 * (angleDiff > 0 ? 1 : -1);
					aiTargetRotation = attackAngle;
					aiPower = 0.7;
					aiTargetVelocity = maxSpeed * aiPower * 0.8;
				} else {
					// Long range interception
					var predictionTime = Math.min(2.5, aiDistance / maxSpeed * 0.9);
					var interceptX = carPlayer.x + playerVelX * predictionTime;
					var interceptY = carPlayer.y + playerVelY * predictionTime;
					// Keep predicted position within bounds
					interceptX = Math.max(80, Math.min(1968, interceptX));
					interceptY = Math.max(80, Math.min(2106, interceptY));
					// Calculate optimal interception approach
					var interceptDeltaX = interceptX - enemyCar.x;
					var interceptDeltaY = interceptY - enemyCar.y;
					var interceptDistance = Math.sqrt(interceptDeltaX * interceptDeltaX + interceptDeltaY * interceptDeltaY);
					// Lead the target slightly based on relative speeds
					var speedRatio = (enemyCar.aiCurrentVelocity || 0) / Math.max(0.1, playerSpeed);
					var leadAdjustment = (1 - speedRatio) * 0.3;
					aiTargetRotation = Math.atan2(interceptDeltaX, -interceptDeltaY);
					aiPower = Math.min(1, interceptDistance / 700);
					var speedBoost = Math.min(0.2, playerSpeed / maxSpeed * 0.2);
					aiTargetVelocity = maxSpeed * aiPower * (0.85 + speedBoost + leadAdjustment);
				}
				break;
		}
		// Blend in edge avoidance with follow behavior
		if (edgeAvoidanceX !== 0 || edgeAvoidanceY !== 0) {
			// Calculate edge avoidance angle
			var avoidanceAngle = Math.atan2(edgeAvoidanceX, -edgeAvoidanceY);
			// Blend the target rotation with avoidance (stronger when closer to edges)
			var avoidanceWeight = Math.min(0.7, Math.abs(edgeAvoidanceX) + Math.abs(edgeAvoidanceY));
			var followWeight = 1 - avoidanceWeight;
			// Convert angles to vectors for blending
			var followVecX = Math.sin(aiTargetRotation) * followWeight;
			var followVecY = -Math.cos(aiTargetRotation) * followWeight;
			var avoidVecX = Math.sin(avoidanceAngle) * avoidanceWeight;
			var avoidVecY = -Math.cos(avoidanceAngle) * avoidanceWeight;
			// Combine and convert back to angle
			var blendedVecX = followVecX + avoidVecX;
			var blendedVecY = followVecY + avoidVecY;
			aiTargetRotation = Math.atan2(blendedVecX, -blendedVecY);
		}
	} else {
		// Enhanced Free roam logic with dynamic behavior patterns
		if (typeof enemyCar.freeRoamAngle === "undefined" || enemyCar.aiModeTimer === 0) {
			// Initialize free roam variables
			enemyCar.freeRoamAngle = Math.random() * Math.PI * 2;
			enemyCar.freeRoamSpeed = maxSpeed * (0.4 + Math.random() * 0.4); // 40%-80% of max speed
			enemyCar.freeRoamTimer = 0;
			enemyCar.freeRoamDirectionTimer = 0;
			enemyCar.freeRoamPattern = Math.floor(Math.random() * 3); // 0=wander, 1=circular, 2=aggressive
		}
		// Dynamic free roam behavior - change direction periodically for more interesting movement
		enemyCar.freeRoamTimer++;
		enemyCar.freeRoamDirectionTimer++;
		// Change direction every 1-3 seconds based on pattern
		var directionChangeInterval;
		switch (enemyCar.freeRoamPattern) {
			case 0:
				// Wander pattern - gentle direction changes
				directionChangeInterval = 90 + Math.floor(Math.random() * 60); // 1.5-2.5 seconds
				break;
			case 1:
				// Circular pattern - more frequent turns
				directionChangeInterval = 45 + Math.floor(Math.random() * 30); // 0.75-1.25 seconds
				break;
			case 2:
				// Aggressive pattern - quick direction changes
				directionChangeInterval = 30 + Math.floor(Math.random() * 40); // 0.5-1.17 seconds
				break;
		}
		if (enemyCar.freeRoamDirectionTimer > directionChangeInterval) {
			enemyCar.freeRoamDirectionTimer = 0;
			// Different behavior patterns for more variety
			switch (enemyCar.freeRoamPattern) {
				case 0:
					// Wander - small random direction changes
					var angleChange = (Math.random() - 0.5) * Math.PI * 0.6; // ±54 degrees
					enemyCar.freeRoamAngle += angleChange;
					enemyCar.freeRoamSpeed = maxSpeed * (0.3 + Math.random() * 0.4);
					break;
				case 1:
					// Circular - tends to turn in one direction
					if (typeof enemyCar.circularDirection === "undefined") {
						enemyCar.circularDirection = Math.random() < 0.5 ? -1 : 1;
					}
					var circularTurn = enemyCar.circularDirection * (Math.PI * 0.3 + Math.random() * Math.PI * 0.4); // 54-126 degrees
					enemyCar.freeRoamAngle += circularTurn;
					enemyCar.freeRoamSpeed = maxSpeed * (0.5 + Math.random() * 0.3);
					// Occasionally reverse direction
					if (Math.random() < 0.15) enemyCar.circularDirection *= -1;
					break;
				case 2:
					// Aggressive - sharp turns and speed changes
					var aggressiveTurn = (Math.random() - 0.5) * Math.PI * 1.2; // ±108 degrees
					enemyCar.freeRoamAngle += aggressiveTurn;
					enemyCar.freeRoamSpeed = maxSpeed * (0.6 + Math.random() * 0.3);
					break;
			}
		}
		// Add some player awareness even in free roam - occasionally look towards player
		var playerDistance = Math.sqrt((carPlayer.x - enemyCar.x) * (carPlayer.x - enemyCar.x) + (carPlayer.y - enemyCar.y) * (carPlayer.y - enemyCar.y));
		var playerInfluence = 0;
		if (playerDistance < 400) {
			// Within 400 pixels
			// Closer player = more influence on direction
			playerInfluence = Math.max(0, (400 - playerDistance) / 400 * 0.3); // Up to 30% influence
			if (Math.random() < 0.02) {
				// 2% chance per frame to look at player
				var playerAngle = Math.atan2(carPlayer.x - enemyCar.x, -(carPlayer.y - enemyCar.y));
				// Blend current angle with player angle
				var currentVecX = Math.sin(enemyCar.freeRoamAngle);
				var currentVecY = -Math.cos(enemyCar.freeRoamAngle);
				var playerVecX = Math.sin(playerAngle) * playerInfluence;
				var playerVecY = -Math.cos(playerAngle) * playerInfluence;
				var blendedVecX = currentVecX * (1 - playerInfluence) + playerVecX;
				var blendedVecY = currentVecY * (1 - playerInfluence) + playerVecY;
				enemyCar.freeRoamAngle = Math.atan2(blendedVecX, -blendedVecY);
			}
		}
		aiTargetRotation = enemyCar.freeRoamAngle;
		aiPower = 1;
		aiTargetVelocity = enemyCar.freeRoamSpeed;
		// Apply edge avoidance to free roam mode with stronger influence
		if (edgeAvoidanceX !== 0 || edgeAvoidanceY !== 0) {
			// Calculate edge avoidance angle
			var avoidanceAngle = Math.atan2(edgeAvoidanceX, -edgeAvoidanceY);
			// Much stronger avoidance in free roam mode
			var avoidanceWeight = Math.min(0.85, (Math.abs(edgeAvoidanceX) + Math.abs(edgeAvoidanceY)) * 1.5);
			var roamWeight = 1 - avoidanceWeight;
			// Convert angles to vectors for blending
			var roamVecX = Math.sin(aiTargetRotation) * roamWeight;
			var roamVecY = -Math.cos(aiTargetRotation) * roamWeight;
			var avoidVecX = Math.sin(avoidanceAngle) * avoidanceWeight;
			var avoidVecY = -Math.cos(avoidanceAngle) * avoidanceWeight;
			// Combine and convert back to angle
			var blendedVecX = roamVecX + avoidVecX;
			var blendedVecY = roamVecY + avoidVecY;
			aiTargetRotation = Math.atan2(blendedVecX, -blendedVecY);
			// Update the free roam angle to new direction after avoidance
			enemyCar.freeRoamAngle = aiTargetRotation;
		}
	}
	// AI: Smoothly rotate enemy car towards target
	if (typeof enemyCar.aiRotation === "undefined") enemyCar.aiRotation = enemyCar.rotation;
	var aiRotationDelta = aiTargetRotation - enemyCar.aiRotation;
	while (aiRotationDelta > Math.PI) aiRotationDelta -= 2 * Math.PI;
	while (aiRotationDelta < -Math.PI) aiRotationDelta += 2 * Math.PI;
	var aiRotationSpeed = baseRotationSpeed * 0.7; // Slightly slower turning for AI
	enemyCar.aiRotation += aiRotationDelta * aiRotationSpeed;
	enemyCar.rotation = enemyCar.aiRotation;
	// AI: Velocity logic
	if (typeof enemyCar.aiCurrentVelocity === "undefined") enemyCar.aiCurrentVelocity = 0;
	if (aiPower > 0.1) {
		// Accelerate
		var aiVelocityDiff = aiTargetVelocity - enemyCar.aiCurrentVelocity;
		var aiAccelerationRate = 0.003;
		enemyCar.aiCurrentVelocity += aiVelocityDiff * aiAccelerationRate;
	} else {
		// Decelerate
		var aiDecelerationRate = 0.045;
		enemyCar.aiCurrentVelocity *= 1 - aiDecelerationRate;
		if (Math.abs(enemyCar.aiCurrentVelocity) < 0.1) enemyCar.aiCurrentVelocity = 0;
	}
	enemyCar.aiCurrentVelocity = Math.min(enemyCar.aiCurrentVelocity, maxSpeed * 0.92);
	// AI: Intended movement direction
	var aiIntendedMoveX = Math.sin(enemyCar.aiRotation) * enemyCar.aiCurrentVelocity;
	var aiIntendedMoveY = -Math.cos(enemyCar.aiRotation) * enemyCar.aiCurrentVelocity;
	// AI: Drift physics for enemy car
	if (typeof enemyCar.aiVelocityX === "undefined") enemyCar.aiVelocityX = 0;
	if (typeof enemyCar.aiVelocityY === "undefined") enemyCar.aiVelocityY = 0;
	enemyCar.aiVelocityX = enemyCar.aiVelocityX * driftFactor + aiIntendedMoveX * gripFactor;
	enemyCar.aiVelocityY = enemyCar.aiVelocityY * driftFactor + aiIntendedMoveY * gripFactor;
	// AI: Apply friction and update position
	enemyCar.aiVelocityX *= 0.98;
	enemyCar.aiVelocityY *= 0.98;
	enemyCar.x += enemyCar.aiVelocityX + enemyCar.velocityX;
	enemyCar.y += enemyCar.aiVelocityY + enemyCar.velocityY;
	// --- End Enemy Car AI Movement Logic ---
	// Apply smooth braking to enemy car after collision for more natural deceleration
	if (!enemyCar.smoothBraking) enemyCar.smoothBraking = false;
	if (!enemyCar.brakeFrames) enemyCar.brakeFrames = 0;
	var currentEnemySpeed = Math.sqrt(enemyCar.velocityX * enemyCar.velocityX + enemyCar.velocityY * enemyCar.velocityY);
	// If enemy car was just launched (high velocity), enable smooth braking
	if (currentEnemySpeed > maxSpeed * 0.6 && !enemyCar.smoothBraking) {
		enemyCar.smoothBraking = true;
		enemyCar.brakeFrames = 0;
	}
	// Smooth braking logic: apply a gentle, progressive friction for a short period after being launched
	if (enemyCar.smoothBraking) {
		// Braking lasts for 18 frames (~0.3s at 60fps)
		var brakeDuration = 18;
		var brakeProgress = Math.min(1, enemyCar.brakeFrames / brakeDuration);
		// Start with gentle friction, increase to normal friction
		var minFriction = 0.96;
		var maxFriction = 0.92 - currentEnemySpeed / maxSpeed * 0.05;
		var frictionRate = minFriction + (maxFriction - minFriction) * brakeProgress;
		enemyCar.velocityX *= frictionRate;
		enemyCar.velocityY *= frictionRate;
		enemyCar.brakeFrames++;
		if (enemyCar.brakeFrames >= brakeDuration) {
			enemyCar.smoothBraking = false;
		}
	} else if (currentEnemySpeed > 0.1) {
		// Normal progressive friction
		var frictionRate = 0.92 - currentEnemySpeed / maxSpeed * 0.05; // More friction at higher speeds
		enemyCar.velocityX *= frictionRate;
		enemyCar.velocityY *= frictionRate;
	} else {
		// Stop very slow movement to prevent endless drift
		enemyCar.velocityX = 0;
		enemyCar.velocityY = 0;
	}
	// Keep enemy car within bounds
	var enemyHalfWidth = 32;
	var enemyHalfHeight = 47;
	if (enemyCar.x < enemyHalfWidth) {
		enemyCar.x = enemyHalfWidth;
		enemyCar.velocityX = -enemyCar.velocityX * 0.6;
	}
	if (enemyCar.x > 2048 - enemyHalfWidth) {
		enemyCar.x = 2048 - enemyHalfWidth;
		enemyCar.velocityX = -enemyCar.velocityX * 0.6;
	}
	if (enemyCar.y < enemyHalfHeight) {
		enemyCar.y = enemyHalfHeight;
		enemyCar.velocityY = -enemyCar.velocityY * 0.6;
	}
	if (enemyCar.y > 2186 - enemyHalfHeight) {
		enemyCar.y = 2186 - enemyHalfHeight;
		enemyCar.velocityY = -enemyCar.velocityY * 0.6;
	}
	// Update speed display
	var totalSpeed = Math.sqrt(velocityX * velocityX + velocityY * velocityY);
	speedText.setText('Speed: ' + Math.round(totalSpeed));
};