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

/**** 
* Classes
****/ 
// New armored enemy ship: slower, more health, different sprite
var ArmoredEnemyShip = Container.expand(function () {
	var self = Container.call(this);
	self.fireCooldown = 120; // Fires more often than normal enemy
	self.fireTimer = Math.random() * self.fireCooldown;
	self.enemyProjectileSpawnPoint = {
		x: 0,
		y: 0
	};
	self.hit = function () {
		if (self.isDestroyed) return;
		self.health -= 1;
		if (self.health <= 0) {
			self.isDestroyed = true;
		} else {
			// Flash magenta on hit
			if (self.shipSprite) LK.effects.flashObject(self.shipSprite, 0xe011a9, 80);
		}
	};
	self.update = function () {
		if (self.isOffScreen || self.isDestroyed) return;
		if (typeof freezeEnemies !== 'undefined' && freezeEnemies) return;
		// Target the player ship
		if (typeof playerShip !== 'undefined' && playerShip && !playerShip.isDestroyed) {
			var dx = playerShip.x - self.x;
			var dy = playerShip.y - self.y;
			var targetAngle = Math.atan2(dy, dx);
			self.angle = targetAngle;
			if (self.shipSprite) self.shipSprite.rotation = self.angle + Math.PI / 2;
		}
		self.lastX = self.x;
		self.lastY = self.y;
		// Armored enemy moves slower
		var moveX = Math.cos(self.angle) * self.speed;
		var moveY = Math.sin(self.angle) * self.speed;
		if (typeof playerShip !== 'undefined' && playerShip && !playerShip.isDestroyed) {
			var dxToPlayer = self.x + moveX - playerShip.x;
			var dyToPlayer = self.y + moveY - playerShip.y;
			var distToPlayer = Math.sqrt(dxToPlayer * dxToPlayer + dyToPlayer * dyToPlayer);
			if (distToPlayer < 120) {
				moveX = 0;
				moveY = 0;
			}
		}
		self.x += moveX;
		self.y += moveY;
		var shipAsset = self.shipSprite;
		if (shipAsset) {
			var noseDistance = shipAsset.height / 2;
			self.enemyProjectileSpawnPoint.x = self.x + Math.cos(self.angle) * noseDistance;
			self.enemyProjectileSpawnPoint.y = self.y + Math.sin(self.angle) * noseDistance;
		}
		self.fireTimer--;
		if (self.fireTimer <= 0) {
			if (typeof EnemyProjectile !== 'undefined' && typeof enemyProjectiles !== 'undefined' && game && typeof game.addChild === 'function') {
				var newProjectile = new EnemyProjectile(self.angle);
				newProjectile.x = self.enemyProjectileSpawnPoint.x;
				newProjectile.y = self.enemyProjectileSpawnPoint.y;
				enemyProjectiles.push(newProjectile);
				game.addChild(newProjectile);
				self.fireTimer = self.fireCooldown;
			}
		}
		var gameWidth = 2048;
		var gameHeight = 2732;
		var marginWidth = self.shipSprite && self.shipSprite.width ? self.shipSprite.width / 2 + 50 : 100;
		var marginHeight = self.shipSprite && self.shipSprite.height ? self.shipSprite.height / 2 + 50 : 100;
		if (self.x < -marginWidth || self.x > gameWidth + marginWidth || self.y < -marginHeight || self.y > gameHeight + marginHeight) {
			self.isOffScreen = true;
		}
	};
	// Use a magenta box for armored enemy
	self.shipSprite = self.attachAsset('Armoredenyme', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.angle = Math.PI / 2;
	if (self.shipSprite) self.shipSprite.rotation = self.angle + Math.PI / 2;
	self.speed = 2.5; // Slower than normal enemy
	self.isOffScreen = false;
	self.lastX = self.x;
	self.lastY = self.y;
	self.health = 9; // Armored enemy starts with 9 HP
	self.isDestroyed = false;
	return self;
});
var BossCannon = Container.expand(function (parentBoss) {
	var self = Container.call(this);
	self.parentBoss = parentBoss;
	self.health = 15; // Cannons are a bit tough
	self.isDestroyed = false;
	self.fireCooldown = 90; // Fires every 1.5 seconds
	self.fireTimer = Math.random() * self.fireCooldown;
	self.cannonSprite = self.attachAsset('Bossgun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hit = function (damage) {
		if (self.isDestroyed) return;
		self.health -= damage;
		LK.effects.flashObject(self.cannonSprite, 0xff8888, 100);
		if (self.health <= 0) {
			self.isDestroyed = true;
			self.visible = false;
			// Play a smaller explosion for cannon destruction
			var explosionX = self.parentBoss.x + self.x;
			var explosionY = self.parentBoss.y + self.y;
			var boomImg = LK.getAsset('Boom3', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: explosionX,
				y: explosionY
			});
			game.addChild(boomImg);
			LK.setTimeout(function () {
				if (boomImg && typeof boomImg.destroy === 'function') boomImg.destroy();
			}, 500);
			LK.getSound('Boom').play();
		}
	};
	self.update = function () {
		if (self.isDestroyed || typeof freezeEnemies !== 'undefined' && freezeEnemies) return;
		// Aim at player
		if (playerShip && !playerShip.isDestroyed) {
			var globalCannonX = self.parentBoss.x + self.x;
			var globalCannonY = self.parentBoss.y + self.y;
			var dx = playerShip.x - globalCannonX;
			var dy = playerShip.y - globalCannonY;
			var angleToPlayer = Math.atan2(dy, dx);
			self.cannonSprite.rotation = angleToPlayer + Math.PI / 2; // Assuming sprite points "up"
			self.fireTimer--;
			if (self.fireTimer <= 0) {
				var noseOffset = self.cannonSprite.height / 2;
				var projSpawnX = globalCannonX + Math.cos(angleToPlayer) * noseOffset;
				var projSpawnY = globalCannonY + Math.sin(angleToPlayer) * noseOffset;
				var newProjectile = new EnemyProjectile(angleToPlayer);
				newProjectile.x = projSpawnX;
				newProjectile.y = projSpawnY;
				enemyProjectiles.push(newProjectile);
				game.addChild(newProjectile);
				self.fireTimer = self.fireCooldown;
			}
		}
	};
	return self;
});
var BossEnemy = Container.expand(function () {
	var self = Container.call(this);
	self.isDestroyed = false;
	self.mainBody = new BossMainBody(self);
	self.addChild(self.mainBody);
	self.mainBody.x = 0;
	self.mainBody.y = 0;
	self.leftCannon = new BossCannon(self);
	self.addChild(self.leftCannon);
	self.rightCannon = new BossCannon(self);
	self.addChild(self.rightCannon);
	// Position cannons relative to the main body
	// Ensure sprites are attached to get dimensions
	var mainBodyWidth = self.mainBody.bodySprite.width;
	var cannonWidth = self.leftCannon.cannonSprite.width; // Both cannons use same asset
	self.leftCannon.x = -(mainBodyWidth / 2) - cannonWidth / 2 - 20; // 20px spacing
	self.leftCannon.y = 0;
	self.rightCannon.x = mainBodyWidth / 2 + cannonWidth / 2 + 20; // 20px spacing
	self.rightCannon.y = 0;
	self.update = function () {
		if (self.isDestroyed || typeof freezeEnemies !== 'undefined' && freezeEnemies) return;
		if (self.mainBody && !self.mainBody.isDestroyed) {
			self.mainBody.update();
		}
		if (self.leftCannon && !self.leftCannon.isDestroyed) {
			self.leftCannon.update();
		}
		if (self.rightCannon && !self.rightCannon.isDestroyed) {
			self.rightCannon.update();
		}
	};
	return self;
});
var BossMainBody = Container.expand(function (parentBoss) {
	var self = Container.call(this);
	self.parentBoss = parentBoss;
	self.health = 50; // Main body is very tough
	self.isDestroyed = false;
	self.bodySprite = self.attachAsset('BossBodyAsset', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hit = function (damage) {
		if (self.isDestroyed) return;
		self.health -= damage;
		LK.effects.flashObject(self.bodySprite, 0xff6666, 150);
		if (self.health <= 0) {
			self.isDestroyed = true;
			self.visible = false;
			self.parentBoss.isDestroyed = true; // Main body destroyed means boss is defeated
			// Trigger larger explosion sequence for boss defeat in BossEnemy or game.update
		}
	};
	self.update = function () {
		if (self.isDestroyed || typeof freezeEnemies !== 'undefined' && freezeEnemies) return;
		// Potential movement or special attacks later
	};
	return self;
});
var Drone = Container.expand(function () {
	var self = Container.call(this);
	self.droneSprite = self.attachAsset('Drons', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.speed = 8;
	self.fireCooldown = 120; // Fire every 2 seconds
	self.fireTimer = 0;
	self.orbitRadius = 150; // Distance from player
	self.orbitAngle = 0; // Current angle around player
	self.orbitSpeed = 0.02; // How fast it orbits
	self.isDestroyed = false;
	self.update = function () {
		if (self.isDestroyed || !playerShip || playerShip.isDestroyed) return;
		// Orbit around player
		self.orbitAngle += self.orbitSpeed;
		if (self.orbitAngle > Math.PI * 2) self.orbitAngle -= Math.PI * 2;
		var targetX = playerShip.x + Math.cos(self.orbitAngle) * self.orbitRadius;
		var targetY = playerShip.y + Math.sin(self.orbitAngle) * self.orbitRadius;
		// Smooth movement toward orbit position
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 5) {
			self.x += dx / dist * self.speed;
			self.y += dy / dist * self.speed;
		} else {
			self.x = targetX;
			self.y = targetY;
		}
		// Rotate sprite to face movement direction
		if (dist > 1) {
			self.droneSprite.rotation = Math.atan2(dy, dx) + Math.PI / 2;
		}
		// Fire at nearest enemy
		self.fireTimer--;
		if (self.fireTimer <= 0) {
			var nearestEnemy = null;
			var nearestDistance = Infinity;
			// Check regular enemies
			for (var i = 0; i < enemyShips.length; i++) {
				var enemy = enemyShips[i];
				if (!enemy.isDestroyed && !enemy.isOffScreen) {
					var enemyDist = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2));
					if (enemyDist < nearestDistance) {
						nearestDistance = enemyDist;
						nearestEnemy = enemy;
					}
				}
			}
			// Check boss if active
			if (bossEnemyInstance && !bossEnemyInstance.isDestroyed) {
				var bossDist = Math.sqrt(Math.pow(bossEnemyInstance.x - self.x, 2) + Math.pow(bossEnemyInstance.y - self.y, 2));
				if (bossDist < nearestDistance) {
					nearestDistance = bossDist;
					nearestEnemy = bossEnemyInstance;
				}
			}
			// Fire at nearest enemy if within range
			if (nearestEnemy && nearestDistance < 400) {
				var fireAngle = Math.atan2(nearestEnemy.y - self.y, nearestEnemy.x - self.x);
				var droneProjectile = new PlayerProjectile(fireAngle);
				droneProjectile.x = self.x;
				droneProjectile.y = self.y;
				droneProjectile.droneDamage = 0.334; // Mark this projectile as drone projectile with 0.334 damage (3 hits to kill regular enemy)
				playerProjectiles.push(droneProjectile);
				game.addChild(droneProjectile);
				self.fireTimer = self.fireCooldown;
				// Play shot sound
				if (typeof LK !== 'undefined' && typeof LK.getSound === 'function') {
					var shotSound = LK.getSound('Shot');
					if (shotSound && typeof shotSound.play === 'function') {
						shotSound.play();
					}
				}
			}
		}
	};
	return self;
});
var EnemyProjectile = Container.expand(function (fireAngle) {
	var self = Container.call(this);
	self.bulletSprite = self.attachAsset('enemyBulletSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.angle = fireAngle; // Angle of movement
	self.speed = 10; // Enemy projectiles are a bit slower
	if (self.bulletSprite) {
		// Assuming the bullet shape is wider than tall, rotating by angle aligns its length with movement.
		self.bulletSprite.rotation = self.angle;
	}
	self.isOffScreen = false;
	self.update = function () {
		if (self.isOffScreen) return;
		if (typeof freezeEnemies !== 'undefined' && freezeEnemies) return; // Freeze enemy projectiles during card choice
		self.x += Math.cos(self.angle) * self.speed;
		self.y += Math.sin(self.angle) * self.speed;
		var gameWidth = 2048;
		var gameHeight = 2732;
		// Margin based on projectile size to ensure it's fully off-screen
		var margin = 50; // Default margin
		if (self.bulletSprite && (self.bulletSprite.width || self.bulletSprite.height)) {
			margin = Math.max(self.bulletSprite.width || 0, self.bulletSprite.height || 0) / 2 + 50;
		}
		if (self.x < -margin || self.x > gameWidth + margin || self.y < -margin || self.y > gameHeight + margin) {
			self.isOffScreen = true;
		}
	};
	return self;
});
// Orange rectangular bullet
var EnemyShip = Container.expand(function () {
	var self = Container.call(this);
	self.fireCooldown = 180; // Fire every 3 seconds (180 ticks at 60FPS)
	self.fireTimer = Math.random() * self.fireCooldown; // Stagger initial firing
	self.enemyProjectileSpawnPoint = {
		x: 0,
		y: 0
	};
	self.hit = function () {
		if (self.isDestroyed) return; // Already destroyed
		self.health--;
		if (self.health <= 0) {
			self.isDestroyed = true;
			// Optionally, trigger a small visual effect here like a flash
			// LK.effects.flashObject(self, 0xffffff, 100);
		} else {
			// Optionally, visual effect for taking damage but not destroyed
			// LK.effects.flashObject(self, 0xffaaaa, 50);
		}
	};
	self.update = function () {
		if (self.isOffScreen || self.isDestroyed) return; // Don't update if off-screen or destroyed
		if (typeof freezeEnemies !== 'undefined' && freezeEnemies) return; // Freeze all enemy movement and firing during card choice
		// Target the player ship
		if (typeof playerShip !== 'undefined' && playerShip && !playerShip.isDestroyed) {
			var dx = playerShip.x - self.x;
			var dy = playerShip.y - self.y;
			// Calculate angle towards player
			var targetAngle = Math.atan2(dy, dx);
			// Update the enemy's angle to face the player
			self.angle = targetAngle;
			// Update sprite rotation to match the new angle
			// Assuming the ship sprite is designed "pointing up" (nose along its local -Y axis or top)
			// visual rotation = world angle + PI/2.
			if (self.shipSprite) {
				self.shipSprite.rotation = self.angle + Math.PI / 2;
			}
		}
		// If playerShip is not available or is destroyed, the enemy will continue in its current self.angle.
		self.lastX = self.x;
		self.lastY = self.y;
		// Prevent enemy from moving too close to the player
		var safeDistance = 120; // Minimum allowed distance between enemy and player
		var moveX = Math.cos(self.angle) * self.speed;
		var moveY = Math.sin(self.angle) * self.speed;
		if (typeof playerShip !== 'undefined' && playerShip && !playerShip.isDestroyed) {
			var dxToPlayer = self.x + moveX - playerShip.x;
			var dyToPlayer = self.y + moveY - playerShip.y;
			var distToPlayer = Math.sqrt(dxToPlayer * dxToPlayer + dyToPlayer * dyToPlayer);
			if (distToPlayer < safeDistance) {
				// If moving would bring us too close, do not move this frame
				moveX = 0;
				moveY = 0;
			}
		}
		self.x += moveX;
		self.y += moveY;
		// Update enemy projectile spawn point
		var shipAsset = self.shipSprite;
		if (shipAsset) {
			var noseDistance = shipAsset.height / 2; // Assuming front is along height axis from center
			self.enemyProjectileSpawnPoint.x = self.x + Math.cos(self.angle) * noseDistance;
			self.enemyProjectileSpawnPoint.y = self.y + Math.sin(self.angle) * noseDistance;
		}
		// Firing logic
		self.fireTimer--;
		if (self.fireTimer <= 0) {
			if (typeof EnemyProjectile !== 'undefined' && typeof enemyProjectiles !== 'undefined' && game && typeof game.addChild === 'function') {
				var newProjectile = new EnemyProjectile(self.angle); // Fire in the direction the ship is moving
				newProjectile.x = self.enemyProjectileSpawnPoint.x;
				newProjectile.y = self.enemyProjectileSpawnPoint.y;
				enemyProjectiles.push(newProjectile);
				game.addChild(newProjectile);
				self.fireTimer = self.fireCooldown; // Reset cooldown
			}
		}
		// Generalized off-screen check
		var gameWidth = 2048;
		var gameHeight = 2732;
		var marginWidth = self.shipSprite && self.shipSprite.width ? self.shipSprite.width / 2 + 50 : 100;
		var marginHeight = self.shipSprite && self.shipSprite.height ? self.shipSprite.height / 2 + 50 : 100;
		if (self.x < -marginWidth || self.x > gameWidth + marginWidth || self.y < -marginHeight || self.y > gameHeight + marginHeight) {
			self.isOffScreen = true;
		}
	};
	self.shipSprite = self.attachAsset('enemyShipSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.angle = Math.PI / 2; // Default angle: moving downwards (positive Y direction)
	if (self.shipSprite) {
		self.shipSprite.rotation = self.angle + Math.PI / 2;
	}
	self.speed = 4;
	self.isOffScreen = false;
	self.lastX = self.x;
	self.lastY = self.y;
	self.health = 3;
	self.isDestroyed = false;
	return self;
});
var FireButton = Container.expand(function () {
	var self = Container.call(this);
	self.buttonSprite = self.attachAsset('fireButtonSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lastFireTick = -1000; // Track last tick when fired
	self.down = function (x, y, obj) {
		// Prevent holding down for auto-fire: only allow firing if enough time has passed since last fire
		if (typeof LK !== 'undefined' && typeof LK.ticks !== 'undefined') {
			if (typeof self.lastFireTick === 'undefined') self.lastFireTick = -1000;
			// Only allow firing if at least fireButtonCooldown ticks have passed since last fire
			if (typeof fireButtonCooldown === 'undefined') fireButtonCooldown = 30;
			if (LK.ticks - self.lastFireTick < fireButtonCooldown) return;
		}
		// Only fire if player has ammo and not holding down for auto-fire
		if (typeof playerAmmo !== 'undefined' && playerAmmo > 0) {
			if (playerShip && typeof playerShip.currentAngle !== 'undefined' && typeof projectileSpawnPoint !== 'undefined' && playerProjectiles && PlayerProjectile) {
				if (typeof playerSplitShotActive !== 'undefined' && playerSplitShotActive) {
					var spreadAngle = Math.PI / 10; // 18 degrees spread for each projectile from center
					// Projectile 1 (left/upward component of spread)
					var proj1 = new PlayerProjectile(playerShip.currentAngle - spreadAngle);
					proj1.x = projectileSpawnPoint.x;
					proj1.y = projectileSpawnPoint.y;
					playerProjectiles.push(proj1);
					game.addChild(proj1);
					// Projectile 2 (right/downward component of spread)
					var proj2 = new PlayerProjectile(playerShip.currentAngle + spreadAngle);
					proj2.x = projectileSpawnPoint.x;
					proj2.y = projectileSpawnPoint.y;
					playerProjectiles.push(proj2);
					game.addChild(proj2);
				} else {
					// Single projectile (default behavior)
					var newProjectile = new PlayerProjectile(playerShip.currentAngle);
					newProjectile.x = projectileSpawnPoint.x;
					newProjectile.y = projectileSpawnPoint.y;
					playerProjectiles.push(newProjectile);
					game.addChild(newProjectile);
				}
				playerAmmo = Math.max(0, playerAmmo - 1); // Decrease ammo by 1, never below 0
				// Removed ammo counter update as per requirements
				if (typeof LK !== 'undefined' && typeof LK.ticks !== 'undefined') {
					self.lastFireTick = LK.ticks;
				}
				// Play shot sound when firing
				if (typeof LK !== 'undefined' && typeof LK.getSound === 'function') {
					var shotSound = LK.getSound('Shot');
					if (shotSound && typeof shotSound.play === 'function') {
						shotSound.play();
					}
				}
			}
		}
	};
	return self;
});
var HealthRestore = Container.expand(function () {
	var self = Container.call(this);
	self.restoreSprite = self.attachAsset('healthRestoreSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Check for collision with player ship
		if (playerShip && !playerShip.isDestroyed && self.intersects(playerShip)) {
			if (playerShip.health < 3) {
				playerShip.health = Math.min(playerShip.health + 1, 3); // Restore health, max 3
				if (playerShip.shipSprite) {
					LK.effects.flashObject(playerShip.shipSprite, 0x00ff00, 150); // Flash green on health restore
				}
				// Update hearts display
				for (var i = 0; i < hearts.length; i++) {
					hearts[i].visible = i < playerShip.health;
				}
			}
			self.destroy();
		}
	};
	return self;
});
var Heart = Container.expand(function () {
	var self = Container.call(this);
	self.heartSprite = self.attachAsset('heartSprite', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	return self;
});
// PlayerShip class to handle player ship logic and projectile spawn point calculation
var HomingMissile = Container.expand(function (initialAngle) {
	var self = Container.call(this);
	self.missileSprite = self.attachAsset('HomingMissileSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.angle = initialAngle;
	self.speed = 7;
	self.turnRate = 0.05; // Radians per tick
	self.isOffScreen = false;
	self.lastX = self.x;
	self.lastY = self.y;
	if (self.missileSprite) {
		// Ensure sprite exists before setting rotation
		self.missileSprite.rotation = self.angle; // Assuming sprite points right (0 rad) initially
	}
	self.update = function () {
		if (self.isOffScreen || typeof freezeEnemies !== 'undefined' && freezeEnemies) return;
		if (playerShip && !playerShip.isDestroyed) {
			var targetAngle = Math.atan2(playerShip.y - self.y, playerShip.x - self.x);
			var angleDiff = targetAngle - self.angle;
			while (angleDiff > Math.PI) angleDiff -= 2 * Math.PI;
			while (angleDiff < -Math.PI) angleDiff += 2 * Math.PI;
			var turnAmount = Math.sign(angleDiff) * Math.min(self.turnRate, Math.abs(angleDiff));
			self.angle += turnAmount;
		}
		if (self.missileSprite) self.missileSprite.rotation = self.angle;
		self.lastX = self.x;
		self.lastY = self.y;
		self.x += Math.cos(self.angle) * self.speed;
		self.y += Math.sin(self.angle) * self.speed;
		var gameWidth = 2048;
		var gameHeight = 2732;
		var margin = (self.missileSprite && self.missileSprite.width ? self.missileSprite.width / 2 : 25) + 50;
		if (self.x < -margin || self.x > gameWidth + margin || self.y < -margin || self.y > gameHeight + margin) {
			self.isOffScreen = true;
		}
	};
	return self;
});
// Red circular fire button
var Joystick = Container.expand(function () {
	var self = Container.call(this);
	self.baseSprite = self.attachAsset('joystickBaseSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.knobSprite = self.attachAsset('joystickKnobSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Maximum distance the knob's center can move from the base's center
	self.radius = self.baseSprite.width / 2 - self.knobSprite.width / 2;
	if (self.radius <= 0) {
		// Ensure a sensible minimum radius
		self.radius = self.baseSprite.width > 0 ? self.baseSprite.width / 4 : 50; // Use 1/4 of base width or 50 if base has no width
	}
	self.isDragging = false;
	self.inputVector = {
		x: 0,
		y: 0
	}; // Normalized output (-1 to 1)
	self.handleDown = function (localX, localY) {
		// localX, localY are relative to the joystick's center (its origin)
		// Check if the touch is within the larger base area to start dragging
		var distSqFromCenter = localX * localX + localY * localY;
		if (distSqFromCenter <= self.baseSprite.width / 2 * (self.baseSprite.width / 2)) {
			self.isDragging = true;
			self.handleMove(localX, localY); // Snap knob to initial touch position
			return true; // Indicates joystick took control
		}
		return false; // Joystick not activated
	};
	self.handleMove = function (localX, localY) {
		if (!self.isDragging) return;
		var dist = Math.sqrt(localX * localX + localY * localY);
		if (dist > self.radius) {
			// Normalize and scale to radius if touch is outside draggable area
			self.knobSprite.x = localX / dist * self.radius;
			self.knobSprite.y = localY / dist * self.radius;
		} else {
			self.knobSprite.x = localX;
			self.knobSprite.y = localY;
		}
		// Calculate normalized input vector
		if (self.radius > 0) {
			self.inputVector.x = self.knobSprite.x / self.radius;
			self.inputVector.y = self.knobSprite.y / self.radius;
		} else {
			// Avoid division by zero if radius is zero
			self.inputVector.x = 0;
			self.inputVector.y = 0;
		}
	};
	self.handleUp = function () {
		if (self.isDragging) {
			self.isDragging = false;
			// Reset knob to center and clear input vector
			self.knobSprite.x = 0;
			self.knobSprite.y = 0;
			self.inputVector.x = 0;
			self.inputVector.y = 0;
		}
	};
	self.getInput = function () {
		return self.inputVector;
	};
	self.isActive = function () {
		return self.isDragging;
	};
	return self;
});
// Projectile class for player's bullets
var PlayerProjectile = Container.expand(function (fireAngle) {
	var self = Container.call(this);
	// Attach bullet sprite
	self.bulletSprite = self.attachAsset('playerBulletSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.angle = fireAngle; // Store the firing angle
	self.speed = 20; // Projectile speed magnitude
	// The playerBulletSprite has orientation:1, meaning it's rotated 90deg clockwise.
	// If original was thin vertical, it's now thin horizontal, "pointing" along its X-axis.
	// So, self.angle directly applies.
	self.bulletSprite.rotation = self.angle;
	self.isOffScreen = false; // Flag to indicate if projectile is off-screen
	// Update method to move projectile
	self.update = function () {
		if (self.isOffScreen) return; // Don't update if already marked off-screen
		self.x += Math.cos(self.angle) * self.speed;
		self.y += Math.sin(self.angle) * self.speed;
		// Check if off-screen
		var gameWidth = 2048;
		var gameHeight = 2732;
		// Margin based on projectile size to ensure it's fully off-screen
		var margin = Math.max(self.bulletSprite.width, self.bulletSprite.height) / 2 + 50;
		if (self.x < -margin || self.x > gameWidth + margin || self.y < -margin || self.y > gameHeight + margin) {
			self.isOffScreen = true;
		}
	}; //{M} // Note: Original L was self.destroy related, removed.
	return self;
});
var PlayerShip = Container.expand(function () {
	var self = Container.call(this);
	self.health = 3; // Player can take a few hits
	self._fractionalHealth = self.health; // For fractional damage (e.g., 0.5 from armored enemy)
	self.isDestroyed = false;
	self.hit = function () {
		if (self.isDestroyed) return;
		if (typeof self._fractionalHealth === 'undefined') self._fractionalHealth = self.health;
		self._fractionalHealth -= 1;
		self.health = Math.floor(self._fractionalHealth);
		LK.effects.flashObject(self.shipSprite || self, 0xff0000, 150); // Flash red on hit (flash sprite if available)
		// Update hearts display
		for (var i = 0; i < hearts.length; i++) {
			hearts[i].visible = i < self.health;
		}
		if (self._fractionalHealth <= 0) {
			self.isDestroyed = true;
			// Game over will be triggered in game.update
		}
	};
	// Attach player ship sprite and set reference for spawn point calculation
	self.shipSprite = self.attachAsset('playerShipSprite', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.moveSpeed = 10; // Pixels per tick for movement speed
	// currentAngle is the direction the ship moves and fires projectiles.
	// 0 radians = right, -PI/2 = up (screen coordinates).
	self.currentAngle = -Math.PI / 2; // Initial angle: pointing up.
	// Initialize dash properties
	self.dashAvailable = false;
	self.isDashing = false;
	self.dashTimer = 0;
	self.dashCooldown = 0;
	self.dashSpeed = 25;
	self.dashDuration = 10;
	self.dashDirection = 0;
	self.lastInputTime = 0;
	self.lastInputDirection = undefined;
	// playerShipSprite is assumed to be designed pointing "up" (its nose along its local -Y axis).
	// To make the sprite's nose align with currentAngle, its visual rotation needs adjustment.
	// Visual rotation = currentAngle + Math.PI / 2.
	// E.g., currentAngle = -PI/2 (up) => visual rotation = 0.
	// E.g., currentAngle = 0 (right) => visual rotation = PI/2.
	self.shipSprite.rotation = self.currentAngle + Math.PI / 2;
	// Initialize projectile spawn point (remains important)
	// This will be updated relative to the ship's current position in self.update()
	// Initial dummy values, will be set correctly on first update.
	projectileSpawnPoint.x = 0;
	projectileSpawnPoint.y = 0;
	self.applyJoystickInput = function (inputX, inputY) {
		// Handle dash input detection
		if (self.dashAvailable && inputX !== 0 || inputY !== 0) {
			var currentTime = LK.ticks;
			var inputDirection = Math.atan2(inputY, inputX);
			// Check for double-tap dash (same direction within 20 ticks)
			if (self.lastInputTime && currentTime - self.lastInputTime < 20 && self.lastInputDirection !== undefined && Math.abs(inputDirection - self.lastInputDirection) < 0.3 && self.dashCooldown <= 0) {
				// Start dash
				self.isDashing = true;
				self.dashTimer = self.dashDuration;
				self.dashDirection = inputDirection;
				self.dashCooldown = 180; // 3 second cooldown
				// Visual effect for dash
				if (self.shipSprite) {
					LK.effects.flashObject(self.shipSprite, 0x00FFFF, 200);
				}
			}
			self.lastInputTime = currentTime;
			self.lastInputDirection = inputDirection;
		}
		// Handle dash movement
		if (self.isDashing && self.dashTimer > 0) {
			// Move at dash speed during dash
			var dashMoveX = Math.cos(self.dashDirection) * self.dashSpeed;
			var dashMoveY = Math.sin(self.dashDirection) * self.dashSpeed;
			self.x += dashMoveX;
			self.y += dashMoveY;
			self.dashTimer--;
			if (self.dashTimer <= 0) {
				self.isDashing = false;
			}
		} else {
			// Normal movement when not dashing
			// Update angle only if joystick provides directional input
			if (inputX !== 0 || inputY !== 0) {
				self.currentAngle = Math.atan2(inputY, inputX);
				self.shipSprite.rotation = self.currentAngle + Math.PI / 2;
			}
			self.x += inputX * self.moveSpeed;
			self.y += inputY * self.moveSpeed;
		}
		// Update dash cooldown
		if (self.dashCooldown > 0) {
			self.dashCooldown--;
		}
		// Boundary checks to keep ship on screen
		var halfWidth = self.shipSprite.width / 2;
		var halfHeight = self.shipSprite.height / 2;
		var gameWidth = 2048;
		var gameHeight = 2732;
		var topSafeMargin = 100; // Top 100px area is reserved
		if (self.x - halfWidth < 0) self.x = halfWidth;
		if (self.x + halfWidth > gameWidth) self.x = gameWidth - halfWidth;
		if (self.y - halfHeight < topSafeMargin) self.y = topSafeMargin + halfHeight;
		if (self.y + halfHeight > gameHeight) self.y = gameHeight - halfHeight;
	};
	// Update projectile spawn point every frame based on player ship position and rotation
	self.update = function () {
		var shipAsset = self.shipSprite;
		if (!shipAsset) return;
		// Calculate spawn point at the tip of the ship, considering its currentAngle.
		// The "nose" is shipAsset.height / 2 distance from the center.
		var noseDistance = shipAsset.height / 2;
		projectileSpawnPoint.x = self.x + Math.cos(self.currentAngle) * noseDistance;
		projectileSpawnPoint.y = self.y + Math.sin(self.currentAngle) * noseDistance;
	};
	return self;
});
var PlayerTrail = Container.expand(function () {
	var self = Container.call(this);
	// Use old trail style (centerCircle) or new trail style (effective) based on setting
	var trailAsset = typeof useOldTrail !== 'undefined' && useOldTrail ? 'centerCircle' : 'effective';
	self.trailSprite = self.attachAsset(trailAsset, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.4,
		tint: 0xff3333
	});
	self.lifeTime = 60; // Trail segment lasts 1 second at 60fps
	self.currentLife = self.lifeTime;
	self.update = function () {
		self.currentLife--;
		if (self.currentLife <= 0) {
			self.isExpired = true;
		}
		// Smoothly rotate the trail sprite to match the player ship's rotation (only for new trail style)
		if (typeof playerShip !== 'undefined' && playerShip && playerShip.shipSprite && self.trailSprite && (typeof useOldTrail === 'undefined' || !useOldTrail)) {
			var targetRotation = playerShip.shipSprite.rotation;
			var currentRotation = self.trailSprite.rotation;
			// Calculate the shortest rotation difference
			var rotationDiff = targetRotation - currentRotation;
			while (rotationDiff > Math.PI) rotationDiff -= 2 * Math.PI;
			while (rotationDiff < -Math.PI) rotationDiff += 2 * Math.PI;
			// Only tween if the difference is significant enough to avoid micro-adjustments
			if (Math.abs(rotationDiff) > 0.1) {
				// Stop any existing rotation tween first
				tween.stop(self.trailSprite, {
					rotation: true
				});
				// Smooth rotation interpolation over 200ms
				tween(self.trailSprite, {
					rotation: targetRotation
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			} else {
				// For very small differences, just set directly to avoid accumulation of small errors
				self.trailSprite.rotation = targetRotation;
			}
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
//Minimalistic tween library which should be used for animations over time, including tinting / colouring an object, scaling, rotating, or changing any game object property.
//Only include the plugins you need to create the game.
// Placeholder ID
// Placeholder ID
// Placeholder ID
// Placeholder ID
// Placeholder ID
// Projectile spawn point (relative to player ship center)
// Will be updated in PlayerShip class update
var projectileSpawnPoint = {
	x: 0,
	y: 0
};
var joystick; // Declare joystick instance
// Array to keep track of all player projectiles
var playerProjectiles = [];
// Array to keep track of player trail segments
var playerTrailSegments = [];
var trailSpawnTimer = 0;
// Array to keep track of enemy trail segments
var enemyTrailSegments = [];
var enemyTrailSpawnTimer = 0;
// Player projectile damage (can be doubled by Cardsttsck)
var playerProjectileDamage = 3;
// Player ammo count (start with 10). Player cannot fire forever: must wait for ammo to restore and cannot hold fire for auto-fire.
var playerAmmo = 10;
// Create and add the game background
// You can change the background by updating the ID in the Assets section for 'game_background_image'
var gameBackground = LK.getAsset('game_background_image', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
game.addChild(gameBackground);
// Add colorful stars to the background
var starColors = [0xFFFFFF, 0xFF3333, 0x33FF33, 0x3333FF, 0xFFFF33, 0xFF33FF, 0x33FFFF, 0xFFAA33, 0xAA33FF, 0x33AAFF];
for (var i = 0; i < 50; i++) {
	var star = LK.getAsset('Star', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: Math.random() * 2048,
		y: Math.random() * 2732,
		tint: starColors[Math.floor(Math.random() * starColors.length)]
	});
	// 30% chance for a star to have disappearing/reappearing effect instead of twinkling
	if (Math.random() < 0.3) {
		// Create disappearing and reappearing effect for some stars
		var disappearDelay = 2000 + Math.random() * 8000; // Random delay 2-10 seconds before first disappear
		LK.setTimeout(function () {
			function startDisappearCycle() {
				// Disappear quickly
				tween(star, {
					alpha: 0
				}, {
					duration: 200 + Math.random() * 300,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						// Stay invisible for a random time
						var invisibleTime = 500 + Math.random() * 2000; // 0.5-2.5 seconds invisible
						LK.setTimeout(function () {
							// Reappear
							tween(star, {
								alpha: 1.0
							}, {
								duration: 300 + Math.random() * 500,
								easing: tween.easeInOut,
								onFinish: function onFinish() {
									// Wait before next disappear cycle
									var nextCycleDelay = 3000 + Math.random() * 7000; // 3-10 seconds before next cycle
									LK.setTimeout(function () {
										startDisappearCycle(); // Start the cycle again
									}, nextCycleDelay);
								}
							});
						}, invisibleTime);
					}
				});
			}
			startDisappearCycle();
		}, disappearDelay);
	} else {
		// Add simplified twinkling animation
		tween(star, {
			alpha: 0.5
		}, {
			duration: 2000 + Math.random() * 2000,
			easing: tween.easeInOut,
			loop: true,
			yoyo: true
		});
	}
	game.addChild(star);
}
// Adding it here as one of the first children to 'game' ensures it's in the background.
var maxPlayerAmmo = 10; // Maximum player ammo capacity
// Fire button cooldown in ticks (default 30, can be halved by Card1)
var fireButtonCooldown = 30;
// Array to keep track of all enemy ships
var enemyShips = [];
// Array to keep track of all enemy projectiles
var enemyProjectiles = [];
// Global flag: freeze all enemy movement and firing during card choice
var freezeEnemies = false;
var playerSplitShotActive = false; // Flag for Asplitmind card: player fires two projectiles
// Create player ship and add to game
var playerShip = new PlayerShip();
// Apply saved skin selection
if (selectedSkin && selectedSkin !== 'playerShipSprite') {
	var oldRotation = playerShip.shipSprite.rotation;
	playerShip.shipSprite.destroy();
	playerShip.shipSprite = playerShip.attachAsset(selectedSkin, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	playerShip.shipSprite.rotation = oldRotation;
}
game.addChild(playerShip);
// Display hearts for player health
var hearts = [];
for (var i = 0; i < playerShip.health; i++) {
	var heart = new Heart();
	heart.x = i * 120 + 120; // Position hearts with increased spacing
	heart.y = 60; // Top-left corner
	LK.gui.topLeft.addChild(heart);
	hearts.push(heart);
}
// Load saved money from storage
var money = storage.money || 0;
// Load dash purchase status
var dashPurchased = storage.dashPurchased || false;
// Set dash availability if purchased
if (dashPurchased && playerShip) {
	playerShip.dashAvailable = true;
}
// Load drone purchase status
var dronesActive = storage.dronesActive || false;
var playerDrones = []; // Array to track active drones
var droneSpawnCooldown = 0; // Cooldown for spawning new drones
var maxDrones = 2; // Maximum number of active drones
var moneyTxt = new Text2(money + " $", {
	size: 120,
	fill: 0xFFE066,
	font: "monospace, 'Press Start 2P', 'VT323', 'Courier New', Courier, monospace",
	// pixel/retro style
	align: "right"
});
moneyTxt.anchor.set(1, 0); // Right-top anchor
moneyTxt.x = -60; // Padding from right edge
moneyTxt.y = 200; // Move money text down to make room for settings
LK.gui.topRight.addChild(moneyTxt);
// Settings icon in top-right corner
var settingsIcon = new Text2("⚙", {
	size: 120,
	fill: 0xFFE066,
	align: "right"
});
settingsIcon.anchor.set(1, 0); // Right-top anchor
settingsIcon.x = -60; // Padding from right edge
settingsIcon.y = 300; // Position below black hole and money counter
settingsIcon.interactive = true;
// Add pulsing glow effect to make it more noticeable
tween(settingsIcon, {
	alpha: 0.7
}, {
	duration: 1500,
	easing: tween.easeInOut,
	onFinish: function onFinish() {
		tween(settingsIcon, {
			alpha: 1.0
		}, {
			duration: 1500,
			easing: tween.easeInOut,
			loop: true
		});
	}
});
settingsIcon.down = function (x, y, obj) {
	// Open ship skin selection menu
	if (game._skinMenuActive) return; // Prevent multiple menus
	openSkinSelectionMenu();
};
// Ship skin selection menu functionality
var selectedSkin = storage.selectedSkin || 'shipSkin1';
// Initialize owned skins if not exists (default and heavy are free)
if (!storage.ownedSkins) {
	storage.ownedSkins = ['shipSkin1', 'shipSkin3'];
}
// Initialize trail setting if not exists (enabled by default)
var trailEnabled = storage.trailEnabled !== undefined ? storage.trailEnabled : true;
// Initialize trail color if not exists (default to red)
var trailColor = storage.trailColor || 0xff3333;
// Initialize old trail style setting if not exists (new style by default)
var useOldTrail = storage.useOldTrail !== undefined ? storage.useOldTrail : false;
// Ensure selected skin is valid (not Fighter skin)
if (selectedSkin === 'shipSkin2') {
	selectedSkin = 'shipSkin1';
	storage.selectedSkin = selectedSkin;
}
function openSkinSelectionMenu() {
	game._skinMenuActive = true;
	// Freeze all enemy movement and firing like card selection
	freezeEnemies = true;
	// Create overlay for skin selection
	var skinOverlay = new Container();
	skinOverlay.name = "skinSelectionOverlay";
	// Semi-transparent background
	var skinBg = LK.getAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 20,
		scaleY: 20,
		x: 2048 / 2,
		y: 2732 / 2,
		tint: 0x000000,
		alpha: 0.8
	});
	skinOverlay.addChild(skinBg);
	// Title text
	var titleText = new Text2("SELECT SHIP SKIN", {
		size: 100,
		fill: 0xFFFFFF,
		align: "center"
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 2048 / 2;
	titleText.y = 2732 / 2 - 400;
	skinOverlay.addChild(titleText);
	// Available ship skins
	var availableSkins = [{
		id: 'shipSkin1',
		name: 'Default',
		cost: 0
	}, {
		id: 'shipSkin3',
		name: 'Heavy',
		cost: 0
	}, {
		id: 'skinfire',
		name: 'Ghost',
		cost: 5
	}, {
		id: 'skinnlood',
		name: 'Blood',
		cost: 8
	}, {
		id: 'Skinrocet',
		name: 'Rocket',
		cost: 12
	}];
	// Position skins horizontally
	var skinPositions = [{
		x: 2048 / 2 - 540,
		y: 2732 / 2
	}, {
		x: 2048 / 2 - 270,
		y: 2732 / 2
	}, {
		x: 2048 / 2,
		y: 2732 / 2
	}, {
		x: 2048 / 2 + 270,
		y: 2732 / 2
	}, {
		x: 2048 / 2 + 540,
		y: 2732 / 2
	}];
	for (var skinIdx = 0; skinIdx < availableSkins.length; skinIdx++) {
		var skinData = availableSkins[skinIdx];
		var skinContainer = new Container();
		// Ship preview
		var shipPreview = LK.getAsset(skinData.id, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: skinPositions[skinIdx].x,
			y: skinPositions[skinIdx].y,
			scaleX: 1.5,
			scaleY: 1.5
		});
		skinContainer.addChild(shipPreview);
		// Selection border for currently selected skin
		if (skinData.id === selectedSkin) {
			var selectionBorder = LK.getAsset('centerCircle', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: skinPositions[skinIdx].x,
				y: skinPositions[skinIdx].y,
				scaleX: 3,
				scaleY: 3,
				tint: 0x00FF00,
				alpha: 0.3
			});
			skinContainer.addChild(selectionBorder);
		}
		// Skin name text
		var skinNameText = new Text2(skinData.name, {
			size: 60,
			fill: 0xFFFFFF,
			align: "center"
		});
		skinNameText.anchor.set(0.5, 0.5);
		skinNameText.x = skinPositions[skinIdx].x;
		skinNameText.y = skinPositions[skinIdx].y + 200;
		skinContainer.addChild(skinNameText);
		// Cost text - only show if skin is not owned
		var ownedSkins = storage.ownedSkins || ['shipSkin1', 'shipSkin3'];
		var isOwned = ownedSkins.indexOf(skinData.id) !== -1 || skinData.cost === 0;
		if (!isOwned) {
			var costText = new Text2(skinData.cost > 0 ? skinData.cost + " $" : "FREE", {
				size: 40,
				fill: skinData.cost > 0 ? 0xFFE066 : 0x00FF00,
				align: "center"
			});
			costText.anchor.set(0.5, 0.5);
			costText.x = skinPositions[skinIdx].x;
			costText.y = skinPositions[skinIdx].y + 270;
			skinContainer.addChild(costText);
		}
		// If player doesn't have enough money, make skin appear unavailable
		if (skinData.cost > money) {
			shipPreview.tint = 0x666666;
			skinNameText.tint = 0x666666;
			costText.fill = 0xFF4444;
		}
		skinContainer.interactive = true;
		// Use closure to capture skin data
		(function (currentSkinData) {
			skinContainer.down = function (x_down, y_down, obj_down) {
				if (!game._skinMenuActive) return;
				// Check if skin costs money and player has enough
				if (currentSkinData.cost > 0 && money < currentSkinData.cost) {
					// Flash red to indicate insufficient funds
					LK.effects.flashScreen(0xFF0000, 300);
					return;
				}
				// Check if skin is already owned (either free or already purchased)
				var ownedSkins = storage.ownedSkins || ['shipSkin1', 'shipSkin3']; // Default and Heavy are free
				if (currentSkinData.cost > 0 && ownedSkins.indexOf(currentSkinData.id) === -1) {
					// Purchase the skin
					money -= currentSkinData.cost;
					storage.money = money; // Save money to storage
					moneyTxt.setText(money + " $");
					ownedSkins.push(currentSkinData.id);
					storage.ownedSkins = ownedSkins;
				}
				// Update selected skin
				selectedSkin = currentSkinData.id;
				storage.selectedSkin = selectedSkin;
				// Update player ship sprite
				if (playerShip && playerShip.shipSprite) {
					var oldRotation = playerShip.shipSprite.rotation;
					playerShip.shipSprite.destroy();
					playerShip.shipSprite = playerShip.attachAsset(selectedSkin, {
						anchorX: 0.5,
						anchorY: 0.5
					});
					playerShip.shipSprite.rotation = oldRotation;
				}
				closeSkinSelectionMenu(skinOverlay);
			};
		})(skinData);
		skinOverlay.addChild(skinContainer);
	}
	// Trail toggle button
	var trailToggleText = trailEnabled ? "TRAIL: ON" : "TRAIL: OFF";
	var trailToggleButton = new Text2(trailToggleText, {
		size: 80,
		fill: trailEnabled ? 0x00FF00 : 0xFF4444,
		align: "center"
	});
	trailToggleButton.anchor.set(0.5, 0.5);
	trailToggleButton.x = 2048 / 2 - 300;
	trailToggleButton.y = 2732 / 2 + 350;
	trailToggleButton.interactive = true;
	trailToggleButton.down = function () {
		if (!game._skinMenuActive) return;
		// Toggle trail setting
		trailEnabled = !trailEnabled;
		storage.trailEnabled = trailEnabled;
		// Update button text and color
		trailToggleButton.setText(trailEnabled ? "TRAIL: ON" : "TRAIL: OFF");
		trailToggleButton.fill = trailEnabled ? 0x00FF00 : 0xFF4444;
	};
	skinOverlay.addChild(trailToggleButton);
	// Old trail style toggle button
	var oldTrailToggleText = useOldTrail ? "OLD TRAIL: ON" : "OLD TRAIL: OFF";
	var oldTrailToggleButton = new Text2(oldTrailToggleText, {
		size: 80,
		fill: useOldTrail ? 0x00FF00 : 0xFF4444,
		align: "center"
	});
	oldTrailToggleButton.anchor.set(0.5, 0.5);
	oldTrailToggleButton.x = 2048 / 2 - 300;
	oldTrailToggleButton.y = 2732 / 2 + 450;
	oldTrailToggleButton.interactive = true;
	oldTrailToggleButton.down = function () {
		if (!game._skinMenuActive) return;
		// Toggle old trail setting
		useOldTrail = !useOldTrail;
		storage.useOldTrail = useOldTrail;
		// Update button text and color
		oldTrailToggleButton.setText(useOldTrail ? "OLD TRAIL: ON" : "OLD TRAIL: OFF");
		oldTrailToggleButton.fill = useOldTrail ? 0x00FF00 : 0xFF4444;
	};
	skinOverlay.addChild(oldTrailToggleButton);
	// Trail color selection section
	var trailColorTitle = new Text2("TRAIL COLOR", {
		size: 60,
		fill: 0xFFFFFF,
		align: "center"
	});
	trailColorTitle.anchor.set(0.5, 0.5);
	trailColorTitle.x = 2048 / 2 + 300;
	trailColorTitle.y = 2732 / 2 + 350;
	skinOverlay.addChild(trailColorTitle);
	// Available trail colors
	var trailColors = [{
		name: "RED",
		color: 0xff3333
	}, {
		name: "BLUE",
		color: 0x3333ff
	}, {
		name: "GREEN",
		color: 0x33ff33
	}, {
		name: "YELLOW",
		color: 0xffff33
	}, {
		name: "PURPLE",
		color: 0xff33ff
	}, {
		name: "ORANGE",
		color: 0xff6600
	}];
	// Get current trail color from storage or default to red
	var currentTrailColor = storage.trailColor || 0xff3333;
	// Display trail color options in a 3x2 grid
	for (var colorIdx = 0; colorIdx < trailColors.length; colorIdx++) {
		var colorData = trailColors[colorIdx];
		var colorContainer = new Container();
		// Calculate position in 3x2 grid
		var col = colorIdx % 3;
		var row = Math.floor(colorIdx / 3);
		var colorX = 2048 / 2 + 150 + col * 100;
		var colorY = 2732 / 2 + 420 + row * 80;
		// Color preview circle
		var colorPreview = LK.getAsset('centerCircle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: colorX,
			y: colorY,
			scaleX: 0.8,
			scaleY: 0.8,
			tint: colorData.color
		});
		colorContainer.addChild(colorPreview);
		// Selection border for currently selected color
		if (colorData.color === currentTrailColor) {
			var colorBorder = LK.getAsset('centerCircle', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: colorX,
				y: colorY,
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF,
				alpha: 0.5
			});
			colorContainer.addChild(colorBorder);
		}
		colorContainer.interactive = true;
		// Use closure to capture color data
		(function (currentColorData) {
			colorContainer.down = function () {
				if (!game._skinMenuActive) return;
				// Update trail color
				currentTrailColor = currentColorData.color;
				storage.trailColor = currentTrailColor;
				// Refresh the menu to show new selection
				if (game._skinMenuActive) {
					closeSkinSelectionMenu(skinOverlay);
					openSkinSelectionMenu();
				}
			};
		})(colorData);
		skinOverlay.addChild(colorContainer);
	}
	// Close button
	var closeButton = new Text2("✕", {
		size: 120,
		fill: 0xFF4444,
		align: "center"
	});
	closeButton.anchor.set(0.5, 0.5);
	closeButton.x = 2048 / 2 + 600;
	closeButton.y = 2732 / 2 - 400;
	closeButton.interactive = true;
	closeButton.down = function () {
		if (!game._skinMenuActive) return;
		closeSkinSelectionMenu(skinOverlay);
	};
	skinOverlay.addChild(closeButton);
	game.addChild(skinOverlay);
}
function closeSkinSelectionMenu(overlay) {
	game._skinMenuActive = false;
	// Resume game like card selection
	freezeEnemies = false;
	if (overlay && typeof overlay.destroy === 'function') {
		overlay.destroy();
	}
}
// Upgrade menu functionality
function openUpgradeMenu() {
	game._upgradeMenuActive = true;
	// Freeze all enemy movement and firing like card selection
	freezeEnemies = true;
	// Create overlay for upgrade menu
	var upgradeOverlay = new Container();
	upgradeOverlay.name = "upgradeMenuOverlay";
	// Semi-transparent background
	var upgradeBg = LK.getAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 20,
		scaleY: 20,
		x: 2048 / 2,
		y: 2732 / 2,
		tint: 0x000000,
		alpha: 0.8
	});
	upgradeOverlay.addChild(upgradeBg);
	// Title text
	var upgradeTitleText = new Text2("UPGRADES", {
		size: 100,
		fill: 0xFFFFFF,
		align: "center"
	});
	upgradeTitleText.anchor.set(0.5, 0.5);
	upgradeTitleText.x = 2048 / 2;
	upgradeTitleText.y = 2732 / 2 - 400;
	upgradeOverlay.addChild(upgradeTitleText);
	// Available upgrades - basic upgrades removed
	var availableUpgrades = [{
		name: "DASH",
		cost: 50,
		effect: function effect() {
			// Add dash ability - player can dash by double-tapping movement direction
			if (typeof playerShip !== 'undefined' && playerShip) {
				playerShip.dashAvailable = true;
				playerShip.dashCooldown = 0;
				playerShip.dashSpeed = 25; // Speed during dash
				playerShip.dashDuration = 10; // Duration in ticks
				playerShip.dashDistance = 250; // Maximum dash distance
			}
			// Mark dash as purchased
			dashPurchased = true;
			storage.dashPurchased = dashPurchased;
			// Show green dash button above attack button
			if (typeof greenDashButton !== 'undefined' && greenDashButton) {
				greenDashButton.visible = true;
			}
		}
	}, {
		name: "DRONES",
		cost: 75,
		effect: function effect() {
			// Add drone support ability
			dronesActive = true;
			storage.dronesActive = dronesActive;
			// Initialize drone spawn timer
			droneSpawnCooldown = 0;
		}
	}, {
		name: "CASE",
		cost: 100,
		effect: function effect() {
			// Case effect - could add special items or bonuses
			LK.effects.flashScreen(0xFFD700, 500); // Flash gold to indicate case opening
			money += 50; // Give back some money as case reward
			storage.money = money;
			if (typeof moneyTxt !== 'undefined' && moneyTxt.setText) {
				moneyTxt.setText(money + " $");
			}
			// Show case image in center of screen (fallback if face detection fails)
			var caseX = 2048 / 2; // Default to screen center
			var caseY = 2732 / 2;
			// Try to use face coordinates if available and valid
			if (facekit && facekit.mouthCenter && typeof facekit.mouthCenter.x === 'number' && typeof facekit.mouthCenter.y === 'number' && facekit.mouthCenter.x > 0 && facekit.mouthCenter.y > 0) {
				caseX = facekit.mouthCenter.x;
				caseY = facekit.mouthCenter.y;
			}
			var caseOverlay = LK.getAsset('Case', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: caseX,
				y: caseY,
				scaleX: 3,
				scaleY: 3
			});
			game.addChild(caseOverlay);
			// Animate case appearing
			tween(caseOverlay, {
				scaleX: 4,
				scaleY: 4,
				alpha: 0.8
			}, {
				duration: 1000,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Fade out after showing
					tween(caseOverlay, {
						alpha: 0,
						scaleX: 2,
						scaleY: 2
					}, {
						duration: 1500,
						easing: tween.easeIn,
						onFinish: function onFinish() {
							if (caseOverlay && typeof caseOverlay.destroy === 'function') {
								caseOverlay.destroy();
							}
						}
					});
				}
			});
		}
	}];
	// Display message when no upgrades are available
	if (availableUpgrades.length === 0) {
		var noUpgradesText = new Text2("NO UPGRADES AVAILABLE", {
			size: 80,
			fill: 0xFFFFFF,
			align: "center"
		});
		noUpgradesText.anchor.set(0.5, 0.5);
		noUpgradesText.x = 2048 / 2;
		noUpgradesText.y = 2732 / 2;
		upgradeOverlay.addChild(noUpgradesText);
	} else {
		// Position upgrades in a 2x2 grid with third item centered
		var upgradePositions = [{
			x: 2048 / 2 - 300,
			y: 2732 / 2 - 100
		}, {
			x: 2048 / 2 + 300,
			y: 2732 / 2 - 100
		}, {
			x: 2048 / 2,
			y: 2732 / 2 + 150
		}, {
			x: 2048 / 2 + 300,
			y: 2732 / 2 + 150
		}];
		for (var upgradeIdx = 0; upgradeIdx < availableUpgrades.length; upgradeIdx++) {
			var upgradeData = availableUpgrades[upgradeIdx];
			var upgradeContainer = new Container();
			// Upgrade background - red if purchased
			var bgTint = 0x333333;
			if (upgradeData.name === "DASH" && dashPurchased) {
				bgTint = 0xFF0000; // Red for purchased dash
			} else if (upgradeData.name === "DRONES" && dronesActive) {
				bgTint = 0xFF0000; // Red for purchased drones
			}
			var upgradeBoxBg = LK.getAsset('centerCircle', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: upgradePositions[upgradeIdx].x,
				y: upgradePositions[upgradeIdx].y,
				scaleX: 4,
				scaleY: 2,
				tint: bgTint,
				alpha: 0.8
			});
			upgradeContainer.addChild(upgradeBoxBg);
			// Add case image for case upgrade
			if (upgradeData.name === "CASE") {
				var caseImage = LK.getAsset('Case', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: upgradePositions[upgradeIdx].x,
					y: upgradePositions[upgradeIdx].y - 10,
					scaleX: 1.5,
					scaleY: 1.5
				});
				upgradeContainer.addChild(caseImage);
			}
			// Upgrade name text - don't show text for case item
			if (upgradeData.name !== "CASE") {
				var upgradeNameText = new Text2(upgradeData.name, {
					size: 50,
					fill: 0xFFFFFF,
					align: "center"
				});
				upgradeNameText.anchor.set(0.5, 0.5);
				upgradeNameText.x = upgradePositions[upgradeIdx].x;
				upgradeNameText.y = upgradePositions[upgradeIdx].y - 30;
				upgradeContainer.addChild(upgradeNameText);
			}
			// Cost text - move down for case item
			var costTextY = upgradePositions[upgradeIdx].y + 30;
			if (upgradeData.name === "CASE") {
				costTextY = upgradePositions[upgradeIdx].y + 100; // Move price further down for case
			}
			var upgradeCostText = new Text2(upgradeData.cost + " $", {
				size: 40,
				fill: money >= upgradeData.cost ? 0x00FF00 : 0xFF4444,
				align: "center"
			});
			upgradeCostText.anchor.set(0.5, 0.5);
			upgradeCostText.x = upgradePositions[upgradeIdx].x;
			upgradeCostText.y = costTextY;
			upgradeContainer.addChild(upgradeCostText);
			// If player doesn't have enough money, make upgrade appear unavailable
			if (upgradeData.cost > money) {
				upgradeBoxBg.tint = 0x666666;
				upgradeNameText.tint = 0x666666;
			}
			upgradeContainer.interactive = true;
			// Use closure to capture upgrade data
			(function (currentUpgradeData) {
				upgradeContainer.down = function (x_down, y_down, obj_down) {
					if (!game._upgradeMenuActive) return;
					// Check if player has enough money
					if (money < currentUpgradeData.cost) {
						// Flash red to indicate insufficient funds
						LK.effects.flashScreen(0xFF0000, 300);
						return;
					}
					// Purchase the upgrade
					money -= currentUpgradeData.cost;
					storage.money = money; // Save money to storage
					moneyTxt.setText(money + " $");
					// Apply upgrade effect
					currentUpgradeData.effect();
					// Flash green to show successful purchase
					LK.effects.flashScreen(0x00FF00, 300);
					closeUpgradeMenu(upgradeOverlay);
				};
			})(upgradeData);
			upgradeOverlay.addChild(upgradeContainer);
		}
	}
	// Close button
	var upgradeCloseButton = new Text2("✕", {
		size: 120,
		fill: 0xFF4444,
		align: "center"
	});
	upgradeCloseButton.anchor.set(0.5, 0.5);
	upgradeCloseButton.x = 2048 / 2 + 600;
	upgradeCloseButton.y = 2732 / 2 - 400;
	upgradeCloseButton.interactive = true;
	upgradeCloseButton.down = function () {
		if (!game._upgradeMenuActive) return;
		closeUpgradeMenu(upgradeOverlay);
	};
	upgradeOverlay.addChild(upgradeCloseButton);
	game.addChild(upgradeOverlay);
}
function closeUpgradeMenu(overlay) {
	game._upgradeMenuActive = false;
	// Resume game like card selection
	freezeEnemies = false;
	if (overlay && typeof overlay.destroy === 'function') {
		overlay.destroy();
	}
}
LK.gui.topRight.addChild(settingsIcon);
// Shop button next to settings icon
var shopIcon = new Text2("🛒", {
	size: 120,
	fill: 0xFFE066,
	align: "right"
});
shopIcon.anchor.set(1, 0); // Right-top anchor
shopIcon.x = -340; // Position to the left of upgrade icon
shopIcon.y = 300; // Same height as settings and upgrade icons
shopIcon.interactive = true;
// Add pulsing glow effect to make it more noticeable
tween(shopIcon, {
	alpha: 0.7
}, {
	duration: 1500,
	easing: tween.easeInOut,
	onFinish: function onFinish() {
		tween(shopIcon, {
			alpha: 1.0
		}, {
			duration: 1500,
			easing: tween.easeInOut,
			loop: true
		});
	}
});
shopIcon.down = function (x, y, obj) {
	// Open shop menu (currently just opens upgrade menu as placeholder)
	if (game._upgradeMenuActive) return; // Prevent multiple menus
	openUpgradeMenu(); // Placeholder - opens upgrade menu for now
};
LK.gui.topRight.addChild(shopIcon);
// Create black hole in top right corner
var blackHole = LK.getAsset('blackHole', {
	anchorX: 0.5,
	anchorY: 0.5
});
blackHole.x = -120; // Position from right edge
blackHole.y = 120; // Position from top edge
LK.gui.topRight.addChild(blackHole);
// Add swirling animation to black hole
tween(blackHole, {
	rotation: Math.PI * 2
}, {
	duration: 2000,
	easing: tween.easeLinear,
	loop: true
});
var enemiesKilled = 0; // Counter for killed enemies, to trigger boss
var bossEnemyInstance = null; // Holds the boss instance
var bossSpawned = false; // Flag to ensure boss spawns only once per game
var homingMissiles = []; // Array for new boss's homing missiles
var giantBossEnemyInstance = null; // Instance for the new giant boss
var giantBossSpawned = false; // Flag for the new giant boss
// Ammo counter removed as per requirements
// Center player ship horizontally, place near bottom
playerShip.x = 2048 / 2;
playerShip.y = 2732 - 350;
// Create Joystick
joystick = new Joystick();
game.addChild(joystick);
// Set initial position (e.g., 0,0), though it will jump to touch.
joystick.x = 0;
joystick.y = 0;
// Enemy spawn multiplier (default 1, can be set to 3 for 5 seconds after Card2)
game._enemySpawnMultiplier = 1;
game._enemySpawnMultiplierTimeout = null;
// Create and add Enemy Ships
var enemyShip1 = new EnemyShip();
var enemyShipAssetHeight1 = enemyShip1.shipSprite && enemyShip1.shipSprite.height ? enemyShip1.shipSprite.height : 146; // Default to asset height
enemyShip1.x = 2048 / 3;
enemyShip1.y = -(enemyShipAssetHeight1 / 2) - 50; // Start off-screen at the top
enemyShip1.lastX = enemyShip1.x; // Initialize lastX to the actual starting x
enemyShip1.lastY = enemyShip1.y; // Initialize lastY to the actual starting y
game.addChild(enemyShip1);
enemyShips.push(enemyShip1);
var enemyShip2 = new EnemyShip();
var enemyShipAssetHeight2 = enemyShip2.shipSprite && enemyShip2.shipSprite.height ? enemyShip2.shipSprite.height : 146; // Default to asset height
enemyShip2.x = 2048 * 2 / 3;
enemyShip2.y = -(enemyShipAssetHeight2 / 2) - 150; // Start off-screen, staggered further up
enemyShip2.lastX = enemyShip2.x; // Initialize lastX to the actual starting x
enemyShip2.lastY = enemyShip2.y; // Initialize lastY to the actual starting y
game.addChild(enemyShip2);
enemyShips.push(enemyShip2);
// Game event handlers
// Create and position Fire Button
var fireButton = new FireButton();
LK.gui.bottomLeft.addChild(fireButton);
// Position the fire button visually in the bottom-left corner with some margin
// The buttonSprite is 200x200 and anchored at its center (0.5, 0.5)
// fireButton (Container) is added to LK.gui.bottomLeft, positioning its top-left (0,0) at screen bottom-left.
// Adjust x and y to make the button appear correctly.
var buttonMargin = 50; // 50px margin from screen edges
fireButton.x = fireButton.buttonSprite.width / 2 + buttonMargin;
fireButton.y = -fireButton.buttonSprite.height / 2 - buttonMargin; // Negative Y moves up from the bottom edge
// Create green dash button above fire button (initially hidden)
var greenDashButton = new Container();
var greenDashButtonSprite = greenDashButton.attachAsset('fireButtonSprite', {
	anchorX: 0.5,
	anchorY: 0.5,
	tint: 0x00FF00,
	// Green color
	scaleX: 0.6,
	// Smaller than fire button
	scaleY: 0.6
});
greenDashButton.visible = dashPurchased; // Show if dash was already purchased
greenDashButton.lastDashTime = 0; // Track last dash time for cooldown
LK.gui.bottomLeft.addChild(greenDashButton);
// Position green dash button above fire button
greenDashButton.x = fireButton.x;
greenDashButton.y = fireButton.y - fireButton.buttonSprite.height - 20; // 20px spacing above fire button
greenDashButton.down = function (x, y, obj) {
	if (!playerShip || !dashPurchased || !playerShip.dashAvailable) return;
	// Check 3-second cooldown (180 ticks at 60fps)
	var currentTime = LK.ticks;
	if (currentTime - greenDashButton.lastDashTime < 180) return;
	// Push ship forward in current facing direction
	var pushDistance = 250; // Distance to push forward
	var pushDirection = playerShip.currentAngle; // Ship's current angle
	var pushX = Math.cos(pushDirection) * pushDistance;
	var pushY = Math.sin(pushDirection) * pushDistance;
	// Apply push over time for smooth movement
	tween(playerShip, {
		x: playerShip.x + pushX,
		y: playerShip.y + pushY
	}, {
		duration: 300,
		// 300ms dash duration
		easing: tween.easeOut
	});
	// Update cooldown
	greenDashButton.lastDashTime = currentTime;
	// Visual effect for dash activation
	if (playerShip.shipSprite) {
		LK.effects.flashObject(playerShip.shipSprite, 0x00FF00, 200);
	}
	// Add button press effect
	tween(greenDashButtonSprite, {
		scaleX: 0.5,
		scaleY: 0.5
	}, {
		duration: 100,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(greenDashButtonSprite, {
				scaleX: 0.6,
				scaleY: 0.6
			}, {
				duration: 100,
				easing: tween.easeOut
			});
		}
	});
};
game.down = function (x, y, obj) {
	if (game._cardChoiceActive || game._skinMenuActive) {
		// Block joystick and ship movement while card choice or skin menu is active
		return;
	}
	// x, y are global game coordinates
	// Move the joystick to the touch position
	joystick.x = x;
	joystick.y = y;
	joystick.visible = true;
	// Activate the joystick. Since the joystick's origin is now at the touch point (x,y),
	// the local coordinates for the touch within the joystick are (0,0).
	// This centers the knob under the finger and initiates dragging.
	joystick.handleDown(0, 0); // Pass (0,0) as local coordinates
	// Note: With this "floating joystick" implementation, the joystick activates on any screen press.
	// The previous mechanic, where tapping away from a fixed joystick fired projectiles,
	// is superseded. Further design would be needed for a separate firing mechanism.
};
game.move = function (x, y, obj) {
	if (game._cardChoiceActive || game._skinMenuActive) {
		// Block joystick movement while card choice or skin menu is active
		return;
	}
	if (joystick.isActive()) {
		var joystickLocalPos = joystick.toLocal({
			x: x,
			y: y
		});
		joystick.handleMove(joystickLocalPos.x, joystickLocalPos.y);
	}
};
game.up = function (x, y, obj) {
	if (game._cardChoiceActive || game._skinMenuActive) {
		// Block joystick release while card choice or skin menu is active
		return;
	}
	if (joystick.isActive()) {
		joystick.handleUp(); // Resets knob, inputVector, and isDragging flag
		joystick.visible = false; // Hide the joystick when the touch is released
	}
};
// Update game state
var ammoRestoreCooldown = 0; // Ticks until next ammo restore
// Start with space music
LK.playMusic('Space');
game.update = function () {
	// Prevent all game logic and object updates while card choice or skin menu overlay is active
	if (game._cardChoiceActive || game._skinMenuActive) {
		// Only allow overlay input, skip all updates and movement
		return;
	}
	// Restore ammo if not full, with a delay (e.g., 30 ticks = 0.5s)
	if (typeof playerAmmo !== 'undefined') {
		if (typeof maxPlayerAmmo === 'undefined') maxPlayerAmmo = 10; // Defensive: ensure maxPlayerAmmo is defined
		if (playerAmmo < maxPlayerAmmo) {
			// Use maxPlayerAmmo instead of hardcoded 10
			if (typeof ammoRestoreCooldown === 'undefined') ammoRestoreCooldown = 0;
			if (ammoRestoreCooldown > 0) {
				ammoRestoreCooldown--;
			} else {
				playerAmmo += 1;
				// Removed ammo counter update as per requirements
				ammoRestoreCooldown = 30; // 0.5s at 60FPS
			}
		} else {
			// Player is at or above max ammo.
			// Ensure current ammo doesn't exceed new max if it somehow did, though unlikely with current regen.
			playerAmmo = Math.min(playerAmmo, maxPlayerAmmo);
			ammoRestoreCooldown = 0;
		}
	}
	// Apply joystick input to player ship movement
	if (joystick && playerShip && playerShip.applyJoystickInput) {
		var input = joystick.getInput();
		playerShip.applyJoystickInput(input.x, input.y);
	}
	// Manage drones if active
	if (dronesActive && playerShip && !playerShip.isDestroyed) {
		// Spawn new drones if under limit
		droneSpawnCooldown--;
		if (droneSpawnCooldown <= 0 && playerDrones.length < maxDrones) {
			var newDrone = new Drone();
			newDrone.x = playerShip.x;
			newDrone.y = playerShip.y;
			newDrone.orbitAngle = playerDrones.length * (Math.PI * 2) / maxDrones; // Spread evenly
			game.addChild(newDrone);
			playerDrones.push(newDrone);
			droneSpawnCooldown = 300; // 5 second cooldown between spawns
		}
		// Update existing drones
		for (var d = playerDrones.length - 1; d >= 0; d--) {
			var drone = playerDrones[d];
			if (drone.update) {
				drone.update();
			}
			if (drone.isDestroyed) {
				drone.destroy();
				playerDrones.splice(d, 1);
			}
		}
	}
	// Update player ship (e.g., to recalculate projectileSpawnPoint after moving)
	if (playerShip && playerShip.update) {
		playerShip.update();
	}
	// Create trail segments behind player (reduced frequency)
	trailSpawnTimer++;
	if (trailSpawnTimer >= 8 && playerShip && !playerShip.isDestroyed && trailEnabled) {
		var trailSegment = new PlayerTrail();
		trailSegment.x = playerShip.x;
		trailSegment.y = playerShip.y;
		// Get current trail color from storage
		var currentTrailColor = storage.trailColor || 0xff3333;
		// Add bright pulsing effect to make trail more vibrant with selected color
		if (trailSegment.trailSprite) {
			// Calculate a lighter version of the selected color for pulsing effect
			var lighterColor = currentTrailColor;
			// Add brightness by increasing RGB values proportionally
			var r = Math.min(255, (currentTrailColor >> 16 & 0xFF) + 50);
			var g = Math.min(255, (currentTrailColor >> 8 & 0xFF) + 50);
			var b = Math.min(255, (currentTrailColor & 0xFF) + 50);
			lighterColor = r << 16 | g << 8 | b;
			trailSegment.trailSprite.tint = currentTrailColor;
			tween(trailSegment.trailSprite, {
				tint: lighterColor
			}, {
				duration: 200,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(trailSegment.trailSprite, {
						tint: currentTrailColor
					}, {
						duration: 200,
						easing: tween.easeInOut
					});
				}
			});
		}
		// Limit trail segments to prevent performance issues
		if (playerTrailSegments.length >= 15) {
			var oldTrail = playerTrailSegments.shift();
			if (oldTrail && typeof oldTrail.destroy === 'function') {
				oldTrail.destroy();
			}
		}
		game.addChild(trailSegment);
		playerTrailSegments.push(trailSegment);
		trailSpawnTimer = 0;
	}
	// Create trail segments behind enemies (reduced frequency)
	enemyTrailSpawnTimer++;
	if (enemyTrailSpawnTimer >= 12) {
		// Create trails for all active enemies
		for (var e = 0; e < enemyShips.length; e++) {
			var enemy = enemyShips[e];
			if (!enemy.isDestroyed && !enemy.isOffScreen) {
				var enemyTrailSegment = new PlayerTrail();
				enemyTrailSegment.x = enemy.x;
				enemyTrailSegment.y = enemy.y;
				// Make enemy trails orange/yellow color
				if (enemyTrailSegment.trailSprite) {
					enemyTrailSegment.trailSprite.tint = 0xff6600;
					tween(enemyTrailSegment.trailSprite, {
						tint: 0xffaa33
					}, {
						duration: 200,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							tween(enemyTrailSegment.trailSprite, {
								tint: 0xff6600
							}, {
								duration: 200,
								easing: tween.easeInOut
							});
						}
					});
				}
				// Limit enemy trail segments to prevent performance issues
				if (enemyTrailSegments.length >= 10) {
					var oldEnemyTrail = enemyTrailSegments.shift();
					if (oldEnemyTrail && typeof oldEnemyTrail.destroy === 'function') {
						oldEnemyTrail.destroy();
					}
				}
				game.addChild(enemyTrailSegment);
				enemyTrailSegments.push(enemyTrailSegment);
			}
		}
		enemyTrailSpawnTimer = 0;
	}
	// Update and clean up trail segments
	for (var t = playerTrailSegments.length - 1; t >= 0; t--) {
		var trailSeg = playerTrailSegments[t];
		if (trailSeg.update) {
			trailSeg.update();
		}
		// Calculate alpha based on remaining life (1.0 to 0.0)
		var alpha = trailSeg.currentLife / trailSeg.lifeTime;
		if (trailSeg.trailSprite) {
			trailSeg.trailSprite.alpha = Math.max(0.3, alpha); // Keep minimum visibility of 0.3
		}
		if (trailSeg.isExpired) {
			trailSeg.destroy();
			playerTrailSegments.splice(t, 1);
		}
	}
	// Update and clean up enemy trail segments
	for (var et = enemyTrailSegments.length - 1; et >= 0; et--) {
		var enemyTrailSeg = enemyTrailSegments[et];
		if (enemyTrailSeg.update) {
			enemyTrailSeg.update();
		}
		// Calculate alpha based on remaining life (1.0 to 0.0)
		var enemyAlpha = enemyTrailSeg.currentLife / enemyTrailSeg.lifeTime;
		if (enemyTrailSeg.trailSprite) {
			enemyTrailSeg.trailSprite.alpha = Math.max(0.2, enemyAlpha); // Slightly more transparent than player trails
		}
		if (enemyTrailSeg.isExpired) {
			enemyTrailSeg.destroy();
			enemyTrailSegments.splice(et, 1);
		}
	}
	// Update and clean up projectiles, and check for collisions with enemies
	for (var i = playerProjectiles.length - 1; i >= 0; i--) {
		var proj = playerProjectiles[i];
		if (proj.update) {
			proj.update(); // Call projectile's own update logic (movement)
		}
		// Check if the projectile flagged itself as off-screen AFTER moving
		if (proj.isOffScreen) {
			proj.destroy(); // Destroy the projectile
			playerProjectiles.splice(i, 1); // Remove from the tracking array
			continue; // Move to the next projectile
		}
		// Collision detection with enemy ships
		var projDestroyed = false;
		for (var k = enemyShips.length - 1; k >= 0 && !projDestroyed; k--) {
			var enemy = enemyShips[k];
			// Skip already destroyed or off-screen enemies for collision checks
			if (enemy.isDestroyed || enemy.isOffScreen) {
				continue;
			}
			if (proj.intersects(enemy)) {
				// Use drone damage if projectile is from drone, otherwise use playerProjectileDamage
				var dmg;
				if (typeof proj.droneDamage !== 'undefined') {
					dmg = proj.droneDamage; // Use 0.25 damage for drone projectiles
				} else {
					dmg = typeof playerProjectileDamage !== 'undefined' ? playerProjectileDamage : 1;
				}
				if (typeof enemy.health === 'number') {
					enemy.health -= dmg;
					if (enemy.health <= 0) {
						enemy.isDestroyed = true;
					} else {
						if (typeof enemy.hit === 'function') enemy.hit();
					}
				} else {
					if (typeof enemy.hit === 'function') enemy.hit();
				}
				proj.destroy(); // Projectile is consumed on hit
				playerProjectiles.splice(i, 1); // Remove projectile
				projDestroyed = true;
				// If enemy.isDestroyed became true, it will be handled in the enemyShips loop below.
				// Score will be awarded there too.
				break; // Projectile is gone, no need to check against other enemies
			}
		}
		// If projectile still exists, check collision with boss parts
		if (!proj.isOffScreen && bossEnemyInstance && !bossEnemyInstance.isDestroyed) {
			var bossPartsToCheck = [];
			if (bossEnemyInstance.mainBody && !bossEnemyInstance.mainBody.isDestroyed) {
				bossPartsToCheck.push(bossEnemyInstance.mainBody);
			}
			if (bossEnemyInstance.leftCannon && !bossEnemyInstance.leftCannon.isDestroyed) {
				bossPartsToCheck.push(bossEnemyInstance.leftCannon);
			}
			if (bossEnemyInstance.rightCannon && !bossEnemyInstance.rightCannon.isDestroyed) {
				bossPartsToCheck.push(bossEnemyInstance.rightCannon);
			}
			for (var bp_idx = 0; bp_idx < bossPartsToCheck.length; bp_idx++) {
				var part = bossPartsToCheck[bp_idx];
				if (proj.intersects(part)) {
					// Use drone damage if projectile is from drone, otherwise use playerProjectileDamage
					var dmg;
					if (typeof proj.droneDamage !== 'undefined') {
						dmg = proj.droneDamage; // Use 0.25 damage for drone projectiles
					} else {
						dmg = typeof playerProjectileDamage !== 'undefined' ? playerProjectileDamage : 1;
					}
					part.hit(dmg); // Part handles its own health and destruction visuals
					if (part.isDestroyed) {
						// Award points/money for destroying a part
						if (part instanceof BossCannon) {
							LK.setScore(LK.getScore() + 50); // More points for a cannon
							money += 25;
							storage.money = money; // Save money to storage
							if (typeof moneyTxt !== 'undefined' && moneyTxt.setText) {
								moneyTxt.setText(money + " $");
							}
						}
						// Main body destruction score is handled when boss is fully defeated
					}
					proj.destroy(); // Projectile is consumed
					playerProjectiles.splice(i, 1);
					break; // Projectile is gone, stop checking this projectile against other boss parts
				}
			}
		}
		// If proj was spliced (either by hitting enemy or boss part), loop continues correctly.
	}
	// Update and clean up enemy projectiles, and check for collisions with player
	for (var l = enemyProjectiles.length - 1; l >= 0; l--) {
		var eProj = enemyProjectiles[l];
		if (eProj.update) {
			eProj.update(); // Call projectile's own update logic (movement)
		}
		// Check if the projectile flagged itself as off-screen AFTER moving
		if (eProj.isOffScreen) {
			if (typeof eProj.destroy === 'function') eProj.destroy();
			enemyProjectiles.splice(l, 1); // Remove from the tracking array
			continue; // Move to the next projectile
		}
		// Collision detection with player ship
		// Ensure playerShip exists and is not already destroyed before checking intersection
		if (playerShip && !playerShip.isDestroyed && typeof eProj.intersects === 'function' && eProj.intersects(playerShip)) {
			// Check if the projectile's parent is an ArmoredEnemyShip (for 0.5 damage)
			var isArmored = false;
			if (typeof enemyShips !== 'undefined') {
				for (var ai = 0; ai < enemyShips.length; ai++) {
					var es = enemyShips[ai];
					if (es instanceof ArmoredEnemyShip && es.enemyProjectileSpawnPoint && Math.abs(eProj.x - es.enemyProjectileSpawnPoint.x) < 2 && Math.abs(eProj.y - es.enemyProjectileSpawnPoint.y) < 2) {
						isArmored = true;
						break;
					}
				}
			}
			if (isArmored) {
				// Deal 0.5 damage: use a fractional health system
				if (typeof playerShip.health === 'number') {
					if (typeof playerShip._fractionalHealth === 'undefined') playerShip._fractionalHealth = playerShip.health;
					playerShip._fractionalHealth -= 0.5;
					if (playerShip._fractionalHealth <= 0) {
						playerShip.health = 0;
						playerShip.isDestroyed = true;
						if (playerShip.shipSprite) playerShip.shipSprite.visible = false;else if (typeof playerShip.visible !== 'undefined') playerShip.visible = false;
						LK.showGameOver();
					} else {
						playerShip.health = Math.floor(playerShip._fractionalHealth);
						LK.effects.flashObject(playerShip.shipSprite || playerShip, 0xff0000, 150);
						// Update hearts display
						for (var i = 0; i < hearts.length; i++) {
							hearts[i].visible = i < playerShip.health;
						}
					}
				}
			} else {
				if (typeof playerShip.hit === 'function') playerShip.hit(); // Player takes damage
				if (playerShip.isDestroyed) {
					if (playerShip.shipSprite) playerShip.shipSprite.visible = false;else if (typeof playerShip.visible !== 'undefined') playerShip.visible = false;
					LK.showGameOver();
				}
			}
			if (typeof eProj.destroy === 'function') eProj.destroy(); // Projectile is consumed on hit
			enemyProjectiles.splice(l, 1); // Remove projectile
			// If projectile hit player, it's gone. No need to check further for this projectile.
		}
	}
	// Update and clean up enemy ships
	// This loop should still run even if player is destroyed, to clean up existing enemies,
	// though new game state might prevent further updates if LK.showGameOver() is effective immediately.
	var _loop = function _loop() {
			enemy = enemyShips[j]; // First, check if the enemy ship is marked as destroyed (e.g., by a projectile hit)
			if (enemy.isDestroyed) {
				// Capture enemy's current position for the explosion sequence
				var explosionX = enemy.x;
				var explosionY = enemy.y;
				// Simplified enemy explosion using single asset
				var enemyExplosion = LK.getAsset('Boom3', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: explosionX,
					y: explosionY
				});
				game.addChild(enemyExplosion);
				// Clean up explosion after 300ms
				LK.setTimeout(function () {
					if (enemyExplosion && typeof enemyExplosion.destroy === 'function') {
						enemyExplosion.destroy();
					}
				}, 300);
				enemy.destroy(); // Destroy the enemy ship
				enemyShips.splice(j, 1); // Remove from the tracking array
				LK.setScore(LK.getScore() + 10); // Award score for destroying an enemy
				money += 5; // Add 5 money per enemy destroyed
				storage.money = money; // Save money to storage
				if (typeof moneyTxt !== 'undefined' && moneyTxt.setText) {
					moneyTxt.setText(money + " $");
				}
				LK.getSound('Boom').play(); // Play 'Boom' sound effect
				// 25% chance to drop a health restoration
				if (Math.random() < 0.25) {
					healthRestore = new HealthRestore();
					healthRestore.x = enemy.x;
					healthRestore.y = enemy.y;
					game.addChild(healthRestore);
				}
				// --- Card choice after 3 kills ---
				enemiesKilled++;
				// --- Boss Spawn Logic ---
				// Spawn original boss after 10 kills
				if (!bossSpawned && bossEnemyInstance === null && enemiesKilled >= 10) {
					bossEnemyInstance = new BossEnemy();
					bossEnemyInstance.x = 2048 / 2;
					bossEnemyInstance.y = 450;
					game.addChild(bossEnemyInstance);
					bossSpawned = true;
					LK.playMusic('Boss');
				}
				// --- End Boss Spawn Logic ---
				if (enemiesKilled > 0 && enemiesKilled % 3 === 0 && !game._cardChoiceActive) {
					// Helper to finish card choice and resume game
					var finishCardChoice = function finishCardChoice() {
						if (!game._cardChoiceActive) return;
						game._cardChoiceActive = false;
						freezeEnemies = false;
						if (cardOverlay && typeof cardOverlay.destroy === 'function') cardOverlay.destroy();
						// Restore input
						game.down = oldGameDown;
						game.move = oldGameMove;
						game.up = oldGameUp;
						// Resume game logic
						// No need to call LK.resumeGame(); LK engine will resume game after overlay is destroyed
					};
					game._cardChoiceActive = true;
					// Freeze all enemy movement and firing
					freezeEnemies = true;
					// --- Block card selection for 2 seconds ---
					game._cardChoiceBlock = true;
					LK.setTimeout(function () {
						game._cardChoiceBlock = false;
					}, 2000);
					// Pause game logic is handled by LK.showGameOver() and LK.resumeGame(), no need to call LK.pause() here
					// Create overlay for card choice
					cardOverlay = new Container();
					cardOverlay.name = "cardChoiceOverlay";
					// Semi-transparent background
					bg = LK.getAsset('centerCircle', {
						anchorX: 0.5,
						anchorY: 0.5,
						scaleX: 20,
						scaleY: 20,
						x: 2048 / 2,
						y: 2732 / 2,
						tint: 0x000000,
						alpha: 0.7
					});
					cardOverlay.addChild(bg);
					// --- Define all available cards and their effects ---
					var allAvailableCards = [{
						key: "card1_ammo_firerate",
						// Card1: More Ammo, Faster Fire Rate
						asset: "Card1",
						applyEffect: function applyEffect() {
							if (typeof maxPlayerAmmo === 'undefined') maxPlayerAmmo = 10; // Defensive initialization
							maxPlayerAmmo += 2; // Increase maximum ammo capacity
							playerAmmo = Math.min(playerAmmo + 2, maxPlayerAmmo); // Add 2 to current ammo, capped by new maxPlayerAmmo
							fireButtonCooldown = Math.max(1, Math.floor(fireButtonCooldown / 2)); // Halve cooldown, min 1
						}
					}, {
						key: "card2_speed_spawn_heal",
						// Card2: Speed Boost, Enemy Spawn Boost, Heal 1 HP
						asset: "Csrd2",
						applyEffect: function applyEffect() {
							if (playerShip) {
								if (typeof playerShip._originalMoveSpeed === 'undefined') {
									playerShip._originalMoveSpeed = playerShip.moveSpeed;
								}
								playerShip.moveSpeed = playerShip._originalMoveSpeed * 2;
								// Speed boost is now permanent, timeout removed.
								// Heal 1 HP if not at max health
								var currentMaxHealth = playerShip.maxHealth || 3;
								if (playerShip.health < currentMaxHealth) {
									playerShip.health = Math.min(playerShip.health + 1, currentMaxHealth);
									if (typeof playerShip._fractionalHealth !== 'undefined') {
										// Ensure fractional health is updated
										playerShip._fractionalHealth = playerShip.health;
									}
									for (var i = 0; i < hearts.length; i++) {
										hearts[i].visible = i < playerShip.health;
									}
								}
							}
							// Removed enemy spawn multiplier effect
						}
					}, {
						key: "cardhp_maxhp_heal",
						// Cardhp: Increase Max HP, Heal 1 HP
						asset: "Cardhp",
						applyEffect: function applyEffect() {
							if (playerShip) {
								if (typeof playerShip.maxHealth === 'undefined') {
									playerShip.maxHealth = 3;
								}
								playerShip.maxHealth += 1;
								playerShip.health = Math.min(playerShip.health + 1, playerShip.maxHealth); // Heal 1 HP up to new max
								if (typeof playerShip._fractionalHealth !== 'undefined') {
									// Ensure fractional health is updated
									playerShip._fractionalHealth = playerShip.health;
								}
								// Add a new heart icon if needed (maxHealth might exceed initial hearts array length)
								// Ensure heart icons match current maxHealth and health
								while (hearts.length < playerShip.maxHealth) {
									var newHeart = new Heart();
									newHeart.x = hearts.length * 120 + 120;
									newHeart.y = 60;
									LK.gui.topLeft.addChild(newHeart);
									hearts.push(newHeart);
								}
								for (var i = 0; i < hearts.length; i++) {
									hearts[i].visible = i < playerShip.health;
								}
							}
						}
					}, {
						key: "cardsttsck_doubledamage",
						// Cardsttsck: Double Projectile Damage
						asset: "Cardsttsck",
						applyEffect: function applyEffect() {
							if (typeof playerProjectileDamage === 'undefined') {
								playerProjectileDamage = 1;
							}
							playerProjectileDamage *= 2;
						}
					}, {
						// Adding new card Asplitmind
						key: "asplitmind_split_shot",
						asset: "Asplitmind",
						applyEffect: function applyEffect() {
							// playerSplitShotActive is globally defined and initialized to false.
							// This effect makes the split shot permanently true.
							playerSplitShotActive = true;
						}
					}];
					// --- Shuffle and select 3 cards to display ---
					// Fisher-Yates shuffle
					for (var k = allAvailableCards.length - 1; k > 0; k--) {
						var j_shuffle = Math.floor(Math.random() * (k + 1));
						var tempCard = allAvailableCards[k];
						allAvailableCards[k] = allAvailableCards[j_shuffle];
						allAvailableCards[j_shuffle] = tempCard;
					}
					var cardsToDisplay = allAvailableCards.slice(0, 3); // Get the first 3 cards
					// --- Position and display selected cards ---
					var cardPositions = [{
						x: 2048 / 2 - 450,
						y: 2732 / 2
					},
					// Left card
					{
						x: 2048 / 2,
						y: 2732 / 2
					},
					// Middle card
					{
						x: 2048 / 2 + 450,
						y: 2732 / 2
					} // Right card
					];
					for (var cardIdx = 0; cardIdx < cardsToDisplay.length; cardIdx++) {
						var cardData = cardsToDisplay[cardIdx];
						var cardContainer = new Container(); // Create a new container for each card
						// The image itself is positioned globally based on cardPositions
						var cardImg = LK.getAsset(cardData.asset, {
							anchorX: 0.5,
							anchorY: 0.5,
							x: cardPositions[cardIdx].x,
							y: cardPositions[cardIdx].y
						});
						cardContainer.addChild(cardImg);
						// The container itself can be at 0,0 as its child (the image) is globally positioned.
						// However, for consistency with how interactives are often handled,
						// we can also set the container's position if we wanted the image local to it.
						// For this setup, global positioning of the image is fine.
						cardContainer.x = 0;
						cardContainer.y = 0;
						cardContainer.interactive = true;
						// Use a closure to correctly capture cardData for each event handler
						(function (currentCardData) {
							cardContainer.down = function (x_down, y_down, obj_down) {
								if (!game._cardChoiceActive || game._cardChoiceBlock) return;
								currentCardData.applyEffect();
								finishCardChoice();
							};
						})(cardData);
						cardOverlay.addChild(cardContainer);
					}
					// Add overlay to game
					game.addChild(cardOverlay);
					// Block all input except card choice
					oldGameDown = game.down;
					oldGameMove = game.move;
					oldGameUp = game.up;
					game.down = function (x, y, obj) {
						if (game._cardChoiceBlock) return;
						// Defensive: Only forward to cards that exist in overlay
						if (cardOverlay && cardOverlay.children) {
							for (var i = 0; i < cardOverlay.children.length; i++) {
								var child = cardOverlay.children[i];
								if (child && child.interactive && typeof child.down === "function" && child.children && child.children.length > 0) {
									var img = child.children[0];
									if (img && typeof child.toLocal === "function") {
										var local = child.toLocal({
											x: x,
											y: y
										});
										if (img.width && img.height && Math.abs(local.x) < img.width / 2 && Math.abs(local.y) < img.height / 2) {
											child.down(x, y, obj);
											return;
										}
									}
								}
							}
						}
					};
					game.move = function () {};
					game.up = function () {};
				}
				// }
				// if (typeof scoreTxt !== 'undefined' && scoreTxt && scoreTxt.setText) {
				//     scoreTxt.setText(LK.getScore());
				// }
				return 1; // continue
				// Move to the next enemy ship in the list
			}
			if (enemy.update) {
				enemy.update(); // Call enemy ship's own update logic (movement, etc.)
			}
			// Then, check if the enemy ship flagged itself as off-screen (if not already destroyed)
			if (enemy.isOffScreen) {
				enemy.destroy(); // Destroy the enemy ship
				enemyShips.splice(j, 1); // Remove from the tracking array
				// No score for merely going off-screen, unless desired.
			}
		},
		enemy,
		boomImg,
		healthRestore,
		cardOverlay,
		bg,
		card1,
		card1Bg,
		card1Text,
		card2,
		card2Bg,
		card2Text,
		oldGameDown,
		oldGameMove,
		oldGameUp;
	for (var j = enemyShips.length - 1; j >= 0; j--) {
		if (_loop()) continue;
	}
	// Increase the number of enemies over time
	// Spawn regular enemies only if NEITHER boss is currently active
	var originalBossActive = bossEnemyInstance && !bossEnemyInstance.isDestroyed;
	var giantBossActive = giantBossEnemyInstance && !giantBossEnemyInstance.isDestroyed;
	if (!originalBossActive && !giantBossActive && LK.ticks % Math.max(60, 180 - Math.floor(LK.ticks / 600)) === 0) {
		// Determine multiplier (default 1, or 3x if card2 effect active)
		var multiplier = typeof game._enemySpawnMultiplier !== 'undefined' && game._enemySpawnMultiplier > 1 ? game._enemySpawnMultiplier : 1;
		for (var spawnIdx = 0; spawnIdx < multiplier; spawnIdx++) {
			// 25% chance to spawn armored enemy, else normal
			var newEnemyShip;
			if (Math.random() < 0.25 && typeof ArmoredEnemyShip !== 'undefined') {
				newEnemyShip = new ArmoredEnemyShip();
			} else {
				newEnemyShip = new EnemyShip();
			}
			var enemyShipAssetHeight = newEnemyShip.shipSprite && newEnemyShip.shipSprite.height ? newEnemyShip.shipSprite.height : 146;
			newEnemyShip.x = Math.random() * 2048;
			newEnemyShip.y = -(enemyShipAssetHeight / 2) - 50;
			newEnemyShip.lastX = newEnemyShip.x;
			newEnemyShip.lastY = newEnemyShip.y;
			game.addChild(newEnemyShip);
			enemyShips.push(newEnemyShip);
		}
	}
	// --- Boss Update and Defeat Logic ---
	if (bossEnemyInstance) {
		if (bossEnemyInstance.isDestroyed) {
			// Duration each explosion frame is visible (ms)
			// Helper function to manage the chained explosion sequence
			// Simplified explosion using single asset
			var bossExplosion = LK.getAsset('Boom4', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: explosionX,
				y: explosionY,
				scaleX: 2.0,
				scaleY: 2.0 // Make boss explosions bigger
			});
			game.addChild(bossExplosion);
			LK.getSound('Boom').play();
			// Clean up explosion after 500ms
			LK.setTimeout(function () {
				if (bossExplosion && typeof bossExplosion.destroy === 'function') {
					bossExplosion.destroy();
				}
				bossEnemyInstance = null; // Officially nullify the global reference after explosion
				// Check if giant boss is NOT active (or not spawned / already destroyed)
				if (!giantBossEnemyInstance || giantBossEnemyInstance.isDestroyed) {
					LK.stopMusic(); // Stop current music first
					LK.playMusic('Space'); // Resume normal gameplay music
				}
			}, 500);
			// Boss has been defeated (main body destroyed)
			LK.setScore(LK.getScore() + 250); // Big score for defeating the boss
			money += 100;
			storage.money = money; // Save money to storage
			if (typeof moneyTxt !== 'undefined' && moneyTxt.setText) {
				moneyTxt.setText(money + " $");
			}
			// Grand explosion for boss defeat
			var explosionX = bossEnemyInstance.x + (bossEnemyInstance.mainBody ? bossEnemyInstance.mainBody.x : 0);
			var explosionY = bossEnemyInstance.y + (bossEnemyInstance.mainBody ? bossEnemyInstance.mainBody.y : 0);
			// Grand explosion for boss defeat is handled by a chained sequence
			// Define explosion parameters (position is already defined above this block)
			var explosionAssets = ['Boom', 'Boom2', 'Boom3', 'Boom4', 'Boom5', 'Boom6'];
			var explosionAssetDuration = 150;
			if (explosionAssets.length > 0) {
				// Initial call to start the sequence with the first asset (index 0)
				// There's no previousExplosionAsset for the first frame.
				_showNextExplosion(0, null);
			}
			bossEnemyInstance.destroy(); // Remove boss from game (destroys the actual game object)
			// Note: bossEnemyInstance = null; and LK.playMusic('Space'); have been moved into _showNextExplosion
			// Optionally, trigger win condition or next phase
			// LK.showYouWin();
		} else {
			bossEnemyInstance.update(); // Update active boss
		}
	}
};
// Music will be managed by game state - boss music during boss fights, space music otherwise
;
;

===================================================================
--- original.js
+++ change.js
@@ -921,31 +921,16 @@
 			}
 			startDisappearCycle();
 		}, disappearDelay);
 	} else {
-		// Add normal twinkling animation to other stars
+		// Add simplified twinkling animation
 		tween(star, {
-			alpha: 0.3
+			alpha: 0.5
 		}, {
-			duration: 1000 + Math.random() * 1000,
+			duration: 2000 + Math.random() * 2000,
 			easing: tween.easeInOut,
-			onFinish: function onFinish() {
-				tween(star, {
-					alpha: 1.0
-				}, {
-					duration: 1000 + Math.random() * 1000,
-					easing: tween.easeInOut,
-					onFinish: function onFinish() {
-						// Create infinite loop by calling the twinkling again
-						tween(star, {
-							alpha: 0.3
-						}, {
-							duration: 1000 + Math.random() * 1000,
-							easing: tween.easeInOut
-						});
-					}
-				});
-			}
+			loop: true,
+			yoyo: true
 		});
 	}
 	game.addChild(star);
 }
@@ -1884,11 +1869,11 @@
 	// Update player ship (e.g., to recalculate projectileSpawnPoint after moving)
 	if (playerShip && playerShip.update) {
 		playerShip.update();
 	}
-	// Create trail segments behind player
+	// Create trail segments behind player (reduced frequency)
 	trailSpawnTimer++;
-	if (trailSpawnTimer >= 3 && playerShip && !playerShip.isDestroyed && trailEnabled) {
+	if (trailSpawnTimer >= 8 && playerShip && !playerShip.isDestroyed && trailEnabled) {
 		var trailSegment = new PlayerTrail();
 		trailSegment.x = playerShip.x;
 		trailSegment.y = playerShip.y;
 		// Get current trail color from storage
@@ -1917,15 +1902,22 @@
 					});
 				}
 			});
 		}
+		// Limit trail segments to prevent performance issues
+		if (playerTrailSegments.length >= 15) {
+			var oldTrail = playerTrailSegments.shift();
+			if (oldTrail && typeof oldTrail.destroy === 'function') {
+				oldTrail.destroy();
+			}
+		}
 		game.addChild(trailSegment);
 		playerTrailSegments.push(trailSegment);
 		trailSpawnTimer = 0;
 	}
-	// Create trail segments behind enemies
+	// Create trail segments behind enemies (reduced frequency)
 	enemyTrailSpawnTimer++;
-	if (enemyTrailSpawnTimer >= 4) {
+	if (enemyTrailSpawnTimer >= 12) {
 		// Create trails for all active enemies
 		for (var e = 0; e < enemyShips.length; e++) {
 			var enemy = enemyShips[e];
 			if (!enemy.isDestroyed && !enemy.isOffScreen) {
@@ -1949,8 +1941,15 @@
 							});
 						}
 					});
 				}
+				// Limit enemy trail segments to prevent performance issues
+				if (enemyTrailSegments.length >= 10) {
+					var oldEnemyTrail = enemyTrailSegments.shift();
+					if (oldEnemyTrail && typeof oldEnemyTrail.destroy === 'function') {
+						oldEnemyTrail.destroy();
+					}
+				}
 				game.addChild(enemyTrailSegment);
 				enemyTrailSegments.push(enemyTrailSegment);
 			}
 		}
@@ -2000,9 +1999,10 @@
 			playerProjectiles.splice(i, 1); // Remove from the tracking array
 			continue; // Move to the next projectile
 		}
 		// Collision detection with enemy ships
-		for (var k = enemyShips.length - 1; k >= 0; k--) {
+		var projDestroyed = false;
+		for (var k = enemyShips.length - 1; k >= 0 && !projDestroyed; k--) {
 			var enemy = enemyShips[k];
 			// Skip already destroyed or off-screen enemies for collision checks
 			if (enemy.isDestroyed || enemy.isOffScreen) {
 				continue;
@@ -2026,8 +2026,9 @@
 					if (typeof enemy.hit === 'function') enemy.hit();
 				}
 				proj.destroy(); // Projectile is consumed on hit
 				playerProjectiles.splice(i, 1); // Remove projectile
+				projDestroyed = true;
 				// If enemy.isDestroyed became true, it will be handled in the enemyShips loop below.
 				// Score will be awarded there too.
 				break; // Projectile is gone, no need to check against other enemies
 			}
@@ -2140,88 +2141,22 @@
 			if (enemy.isDestroyed) {
 				// Capture enemy's current position for the explosion sequence
 				var explosionX = enemy.x;
 				var explosionY = enemy.y;
-				// Show Boom image at the captured position
-				var localBoomImg1 = LK.getAsset('Boom', {
-					// Use a new local variable for the first boom image
+				// Simplified enemy explosion using single asset
+				var enemyExplosion = LK.getAsset('Boom3', {
 					anchorX: 0.5,
 					anchorY: 0.5,
 					x: explosionX,
-					// Use captured X coordinate
-					y: explosionY // Use captured Y coordinate
+					y: explosionY
 				});
-				game.addChild(localBoomImg1);
-				// Remove Boom image after a short delay (e.g., 125ms), then show Boom2 at the same position
+				game.addChild(enemyExplosion);
+				// Clean up explosion after 300ms
 				LK.setTimeout(function () {
-					if (localBoomImg1 && typeof localBoomImg1.destroy === 'function') localBoomImg1.destroy(); // Destroy the correct local image
-					// Show Boom2 image at the same captured position
-					var boom2Img = LK.getAsset('Boom2', {
-						// This was already var, so local, good.
-						anchorX: 0.5,
-						anchorY: 0.5,
-						x: explosionX,
-						// Use captured X
-						y: explosionY // Use captured Y
-					});
-					game.addChild(boom2Img);
-					// Remove Boom2 image after a short delay (e.g., 125ms), then show Boom3 at the same position
-					LK.setTimeout(function () {
-						if (boom2Img && typeof boom2Img.destroy === 'function') boom2Img.destroy();
-						// Show Boom3 image at the same captured position
-						var boom3Img = LK.getAsset('Boom3', {
-							anchorX: 0.5,
-							anchorY: 0.5,
-							x: explosionX,
-							// Use captured X
-							y: explosionY // Use captured Y
-						});
-						game.addChild(boom3Img);
-						// Remove Boom3 image after a short delay (e.g., 125ms), then show Boom4 at the same position
-						LK.setTimeout(function () {
-							if (boom3Img && typeof boom3Img.destroy === 'function') boom3Img.destroy();
-							// Show Boom4 image at the same captured position
-							var boom4Img = LK.getAsset('Boom4', {
-								anchorX: 0.5,
-								anchorY: 0.5,
-								x: explosionX,
-								// Use captured X
-								y: explosionY // Use captured Y
-							});
-							game.addChild(boom4Img);
-							// Remove Boom4 image after a short delay (e.g., 125ms), then show Boom5 at the same position
-							LK.setTimeout(function () {
-								if (boom4Img && typeof boom4Img.destroy === 'function') boom4Img.destroy();
-								// Show Boom5 image at the same captured position
-								var boom5Img = LK.getAsset('Boom5', {
-									anchorX: 0.5,
-									anchorY: 0.5,
-									x: explosionX,
-									// Use captured X
-									y: explosionY // Use captured Y
-								});
-								game.addChild(boom5Img);
-								// Remove Boom5 image after a short delay (e.g., 125ms), then show Boom6 at the same position
-								LK.setTimeout(function () {
-									if (boom5Img && typeof boom5Img.destroy === 'function') boom5Img.destroy();
-									// Show Boom6 image at the same captured position
-									var boom6Img = LK.getAsset('Boom6', {
-										anchorX: 0.5,
-										anchorY: 0.5,
-										x: explosionX,
-										// Use captured X
-										y: explosionY // Use captured Y
-									});
-									game.addChild(boom6Img);
-									// Remove Boom6 image after a short delay (e.g., 125ms)
-									LK.setTimeout(function () {
-										if (boom6Img && typeof boom6Img.destroy === 'function') boom6Img.destroy();
-									}, 125);
-								}, 125);
-							}, 125);
-						}, 125);
-					}, 125);
-				}, 125);
+					if (enemyExplosion && typeof enemyExplosion.destroy === 'function') {
+						enemyExplosion.destroy();
+					}
+				}, 300);
 				enemy.destroy(); // Destroy the enemy ship
 				enemyShips.splice(j, 1); // Remove from the tracking array
 				LK.setScore(LK.getScore() + 10); // Award score for destroying an enemy
 				money += 5; // Add 5 money per enemy destroyed
@@ -2495,9 +2430,9 @@
 	// Increase the number of enemies over time
 	// Spawn regular enemies only if NEITHER boss is currently active
 	var originalBossActive = bossEnemyInstance && !bossEnemyInstance.isDestroyed;
 	var giantBossActive = giantBossEnemyInstance && !giantBossEnemyInstance.isDestroyed;
-	if (!originalBossActive && !giantBossActive && LK.ticks % Math.max(30, 150 - Math.floor(LK.ticks / 300)) === 0) {
+	if (!originalBossActive && !giantBossActive && LK.ticks % Math.max(60, 180 - Math.floor(LK.ticks / 600)) === 0) {
 		// Determine multiplier (default 1, or 3x if card2 effect active)
 		var multiplier = typeof game._enemySpawnMultiplier !== 'undefined' && game._enemySpawnMultiplier > 1 ? game._enemySpawnMultiplier : 1;
 		for (var spawnIdx = 0; spawnIdx < multiplier; spawnIdx++) {
 			// 25% chance to spawn armored enemy, else normal
@@ -2520,40 +2455,31 @@
 	if (bossEnemyInstance) {
 		if (bossEnemyInstance.isDestroyed) {
 			// Duration each explosion frame is visible (ms)
 			// Helper function to manage the chained explosion sequence
-			var _showNextExplosion = function showNextExplosion(index, previousExplosionAsset) {
-				// Clean up the previous explosion asset from the screen
-				if (previousExplosionAsset && typeof previousExplosionAsset.destroy === 'function') {
-					previousExplosionAsset.destroy();
+			// Simplified explosion using single asset
+			var bossExplosion = LK.getAsset('Boom4', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				x: explosionX,
+				y: explosionY,
+				scaleX: 2.0,
+				scaleY: 2.0 // Make boss explosions bigger
+			});
+			game.addChild(bossExplosion);
+			LK.getSound('Boom').play();
+			// Clean up explosion after 500ms
+			LK.setTimeout(function () {
+				if (bossExplosion && typeof bossExplosion.destroy === 'function') {
+					bossExplosion.destroy();
 				}
-				// Check if there are more explosion frames to show
-				if (index < explosionAssets.length) {
-					var assetId = explosionAssets[index];
-					var currentExplosion = LK.getAsset(assetId, {
-						anchorX: 0.5,
-						anchorY: 0.5,
-						x: explosionX,
-						y: explosionY,
-						scaleX: 1.5,
-						scaleY: 1.5 // Make boss explosions bigger
-					});
-					game.addChild(currentExplosion);
-					LK.getSound('Boom').play(); // Play sound for each frame
-					LK.setTimeout(function () {
-						_showNextExplosion(index + 1, currentExplosion);
-					}, explosionAssetDuration);
-				} else {
-					// All explosion frames for the first boss are done
-					bossEnemyInstance = null; // Officially nullify the global reference after explosion
-					// Check if giant boss is NOT active (or not spawned / already destroyed)
-					if (!giantBossEnemyInstance || giantBossEnemyInstance.isDestroyed) {
-						LK.stopMusic(); // Stop current music first
-						LK.playMusic('Space'); // Resume normal gameplay music
-					}
-					// If giant boss IS active, its spawn logic would have (or will) set 'Boss' music.
+				bossEnemyInstance = null; // Officially nullify the global reference after explosion
+				// Check if giant boss is NOT active (or not spawned / already destroyed)
+				if (!giantBossEnemyInstance || giantBossEnemyInstance.isDestroyed) {
+					LK.stopMusic(); // Stop current music first
+					LK.playMusic('Space'); // Resume normal gameplay music
 				}
-			}; // End of _showNextExplosion definition
+			}, 500);
 			// Boss has been defeated (main body destroyed)
 			LK.setScore(LK.getScore() + 250); // Big score for defeating the boss
 			money += 100;
 			storage.money = money; // Save money to storage