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

/**** 
* Classes
****/ 
var Barrier = Container.expand(function () {
	var self = Container.call(this);
	var barrierGraphics = self.attachAsset('barrier', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Update barrier visibility based on energy
		var energyPercent = crystal.barrierEnergy / crystal.maxBarrierEnergy;
		barrierGraphics.alpha = energyPercent * 0.3;
		if (energyPercent > 0.5) {
			barrierGraphics.tint = 0x00FFFF;
		} else if (energyPercent > 0.25) {
			barrierGraphics.tint = 0xFFFF00;
		} else {
			barrierGraphics.tint = 0xFF4500;
		}
	};
	return self;
});
var Battery = Container.expand(function () {
	var self = Container.call(this);
	var batteryGraphics = self.attachAsset('battery', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Check if cyborg is close enough to collect
		var distToCyborg = Math.sqrt(Math.pow(self.x - cyborg.x, 2) + Math.pow(self.y - cyborg.y, 2));
		if (distToCyborg < 40) {
			crystal.restoreBarrier(20);
			LK.getSound('collect').play();
			// Remove from batteries array
			for (var i = batteries.length - 1; i >= 0; i--) {
				if (batteries[i] === self) {
					batteries.splice(i, 1);
					break;
				}
			}
			returnBatteryToPool(self);
		}
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.damage = 25;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Check collision with enemies
		for (var i = enemies.length - 1; i >= 0; i--) {
			var enemy = enemies[i];
			if (self.intersects(enemy)) {
				enemy.takeDamage(self.damage);
				// Remove bullet
				for (var j = bullets.length - 1; j >= 0; j--) {
					if (bullets[j] === self) {
						bullets.splice(j, 1);
						break;
					}
				}
				returnBulletToPool(self);
				return;
			}
		}
		// Check collision with structures
		for (var s = structures.length - 1; s >= 0; s--) {
			if (self.intersects(structures[s])) {
				// Remove bullet
				for (var p = bullets.length - 1; p >= 0; p--) {
					if (bullets[p] === self) {
						bullets.splice(p, 1);
						break;
					}
				}
				returnBulletToPool(self);
				return;
			}
		}
		// Remove if off screen
		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) {
			for (var k = bullets.length - 1; k >= 0; k--) {
				if (bullets[k] === self) {
					bullets.splice(k, 1);
					break;
				}
			}
			returnBulletToPool(self);
		}
	};
	return self;
});
var Crystal = Container.expand(function () {
	var self = Container.call(this);
	var crystalGraphics = self.attachAsset('crystal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 500;
	self.maxHealth = 500;
	self.barrierEnergy = 100;
	self.maxBarrierEnergy = 100;
	self.takeDamage = function (damage) {
		if (self.barrierEnergy > 0) {
			self.barrierEnergy -= damage;
			if (self.barrierEnergy < 0) {
				var overflow = -self.barrierEnergy;
				self.barrierEnergy = 0;
				self.health -= overflow;
			}
		} else {
			self.health -= damage;
		}
		crystalHealthText.setText('Crystal: ' + Math.floor(self.health));
		barrierText.setText('Barrier: ' + Math.floor(self.barrierEnergy));
		LK.effects.flashObject(self, 0xFF0000, 300);
		if (self.health <= 0) {
			LK.showGameOver();
		}
	};
	self.restoreBarrier = function (amount) {
		self.barrierEnergy += amount;
		if (self.barrierEnergy > self.maxBarrierEnergy) {
			self.barrierEnergy = self.maxBarrierEnergy;
		}
		barrierText.setText('Barrier: ' + Math.floor(self.barrierEnergy));
	};
	return self;
});
var Cyborg = Container.expand(function () {
	var self = Container.call(this);
	var cyborgGraphics = self.attachAsset('cyborg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 12; // Increased from 8 to 12 for even faster movement
	self.attackDamage = 25;
	self.shootCooldown = 0;
	self.isNearCrystal = false;
	self.update = function () {
		// Store previous position for rotation calculation
		if (self.lastX === undefined) self.lastX = self.x;
		if (self.lastY === undefined) self.lastY = self.y;
		// Handle movement button input with improved responsiveness
		if (isMoving && (Math.abs(movementDirection.x) > 0.05 || Math.abs(movementDirection.y) > 0.05)) {
			var speedMultiplier = 2.0; // Boost speed when using movement button
			var newX = self.x + movementDirection.x * self.speed * speedMultiplier;
			var newY = self.y + movementDirection.y * self.speed * speedMultiplier;
			// Check bounds
			newX = Math.max(40, Math.min(2008, newX));
			newY = Math.max(40, Math.min(2692, newY));
			// Check structure collision
			if (!checkStructureCollision(self, newX, newY)) {
				self.x = newX;
				self.y = newY;
			}
		}
		// Calculate movement direction for smooth rotation
		var dx = self.x - self.lastX;
		var dy = self.y - self.lastY;
		var movementDistance = Math.sqrt(dx * dx + dy * dy);
		// Only rotate if actually moving
		if (movementDistance > 0.5) {
			var targetRotation = Math.atan2(dy, dx) + Math.PI / 2;
			// Smooth rotation towards movement direction
			var currentRotation = cyborgGraphics.rotation;
			var rotationDiff = targetRotation - currentRotation;
			// Handle rotation wrap-around
			if (rotationDiff > Math.PI) rotationDiff -= 2 * Math.PI;
			if (rotationDiff < -Math.PI) rotationDiff += 2 * Math.PI;
			// Apply smooth rotation
			cyborgGraphics.rotation += rotationDiff * 0.3; // Increased from 0.2 to 0.3 for even faster rotation
		}
		// Update last position
		self.lastX = self.x;
		self.lastY = self.y;
		// Check if near crystal for healing
		var distToCrystal = Math.sqrt(Math.pow(self.x - crystal.x, 2) + Math.pow(self.y - crystal.y, 2));
		self.isNearCrystal = distToCrystal < 150;
		// Heal when near crystal
		if (self.isNearCrystal && self.health < self.maxHealth) {
			self.health += 0.5;
			if (self.health > self.maxHealth) self.health = self.maxHealth;
			healthText.setText('Health: ' + Math.floor(self.health));
		}
		// Reduce shoot cooldown
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		// Visual feedback when near crystal with smooth color transitions
		if (self.isNearCrystal) {
			tween(cyborgGraphics, {
				tint: 0x90EE90
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		} else {
			tween(cyborgGraphics, {
				tint: 0xFFFFFF
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		}
	};
	self.shoot = function (targetX, targetY) {
		if (self.shootCooldown <= 0) {
			var bullet = getPooledBullet();
			bullet.x = self.x;
			bullet.y = self.y;
			var angle = Math.atan2(targetY - self.y, targetX - self.x);
			bullet.velocityX = Math.cos(angle) * 8;
			bullet.velocityY = Math.sin(angle) * 8;
			bullets.push(bullet);
			game.addChild(bullet);
			self.shootCooldown = 10; // Reduced from 15 to 10 for even faster shooting
			LK.getSound('shoot').play();
			// Add subtle recoil animation that doesn't interfere with movement
			var recoilDistance = 4; // Reduced from 8 to 4 for less movement interference
			var recoilX = self.x - Math.cos(angle) * recoilDistance;
			var recoilY = self.y - Math.sin(angle) * recoilDistance;
			var originalX = self.x;
			var originalY = self.y;
			// Quick recoil back - only if not actively moving
			if (!isMoving) {
				tween(self, {
					x: recoilX,
					y: recoilY
				}, {
					duration: 50,
					// Reduced from 80 to 50
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Spring back to original position
						tween(self, {
							x: originalX,
							y: originalY
						}, {
							duration: 80,
							// Reduced from 120 to 80
							easing: tween.easeOut
						});
					}
				});
			}
			// Add shooting flash effect
			tween(cyborgGraphics, {
				tint: 0xFFFFAA
			}, {
				duration: 100,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(cyborgGraphics, {
						tint: self.isNearCrystal ? 0x90EE90 : 0xFFFFFF
					}, {
						duration: 100,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		healthText.setText('Health: ' + Math.floor(self.health));
		LK.effects.flashObject(self, 0xFF0000, 300);
		// Add impact animation
		tween(self, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 150,
					easing: tween.easeIn
				});
			}
		});
		// Add screen shake effect by briefly moving the cyborg
		var shakeIntensity = damage * 0.3;
		var originalX = self.x;
		var originalY = self.y;
		tween(self, {
			x: originalX + shakeIntensity,
			y: originalY + shakeIntensity
		}, {
			duration: 50,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					x: originalX - shakeIntensity,
					y: originalY - shakeIntensity
				}, {
					duration: 50,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(self, {
							x: originalX,
							y: originalY
						}, {
							duration: 100,
							easing: tween.easeOut
						});
					}
				});
			}
		});
		if (self.health <= 0) {
			LK.showGameOver();
		}
	};
	return self;
});
var CyborgDog = Container.expand(function () {
	var self = Container.call(this);
	var dogGraphics = self.attachAsset('cyborgDog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 80;
	self.maxHealth = 80;
	self.speed = 6;
	self.attackDamage = 20;
	self.shootCooldown = 0;
	self.followDistance = 100;
	self.lastX = 0;
	self.lastY = 0;
	self.targetEnemy = null;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Find closest enemy to attack
		var closestEnemy = null;
		var closestDistance = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var distance = Math.sqrt(Math.pow(self.x - enemy.x, 2) + Math.pow(self.y - enemy.y, 2));
			if (distance < closestDistance && distance < 400) {
				closestDistance = distance;
				closestEnemy = enemy;
			}
		}
		self.targetEnemy = closestEnemy;
		// Movement behavior
		if (self.targetEnemy) {
			// Combat mode: move towards enemy but maintain some distance
			var enemyAngle = Math.atan2(self.targetEnemy.y - self.y, self.targetEnemy.x - self.x);
			var targetDistance = 120; // Preferred combat distance
			if (closestDistance > targetDistance + 20) {
				// Move closer to enemy
				var newX = self.x + Math.cos(enemyAngle) * self.speed;
				var newY = self.y + Math.sin(enemyAngle) * self.speed;
				if (!checkStructureCollision(self, newX, newY)) {
					self.x = newX;
					self.y = newY;
				}
			} else if (closestDistance < targetDistance - 20) {
				// Move away from enemy (too close)
				var newX = self.x - Math.cos(enemyAngle) * self.speed * 0.5;
				var newY = self.y - Math.sin(enemyAngle) * self.speed * 0.5;
				if (!checkStructureCollision(self, newX, newY)) {
					self.x = newX;
					self.y = newY;
				}
			}
			// Shoot at enemy
			if (self.shootCooldown <= 0 && closestDistance < 300) {
				self.shootAtEnemy(self.targetEnemy);
				self.shootCooldown = 25;
			}
		} else {
			// Follow mode: stay near cyborg
			var distToCyborg = Math.sqrt(Math.pow(self.x - cyborg.x, 2) + Math.pow(self.y - cyborg.y, 2));
			if (distToCyborg > self.followDistance) {
				var followAngle = Math.atan2(cyborg.y - self.y, cyborg.x - self.x);
				var newX = self.x + Math.cos(followAngle) * self.speed;
				var newY = self.y + Math.sin(followAngle) * self.speed;
				if (!checkStructureCollision(self, newX, newY)) {
					self.x = newX;
					self.y = newY;
				}
			}
		}
		// Rotation towards movement direction
		var dx = self.x - self.lastX;
		var dy = self.y - self.lastY;
		var movementDistance = Math.sqrt(dx * dx + dy * dy);
		if (movementDistance > 0.5) {
			var targetRotation = Math.atan2(dy, dx) + Math.PI / 2;
			var currentRotation = dogGraphics.rotation;
			var rotationDiff = targetRotation - currentRotation;
			if (rotationDiff > Math.PI) rotationDiff -= 2 * Math.PI;
			if (rotationDiff < -Math.PI) rotationDiff += 2 * Math.PI;
			dogGraphics.rotation += rotationDiff * 0.25;
		}
		// Reduce shoot cooldown
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		// Visual feedback based on mode
		if (self.targetEnemy) {
			// Combat mode - red tint
			tween(dogGraphics, {
				tint: 0xFFAAAA
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		} else {
			// Follow mode - green tint
			tween(dogGraphics, {
				tint: 0xAAFFAA
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		}
	};
	self.shootAtEnemy = function (enemy) {
		var bullet = getPooledBullet();
		bullet.x = self.x;
		bullet.y = self.y;
		var angle = Math.atan2(enemy.y - self.y, enemy.x - self.x);
		bullet.velocityX = Math.cos(angle) * 7;
		bullet.velocityY = Math.sin(angle) * 7;
		bullet.damage = self.attackDamage;
		bullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('shoot').play();
		// Muzzle flash effect
		tween(dogGraphics, {
			tint: 0xFFFFAA
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(dogGraphics, {
					tint: self.targetEnemy ? 0xFFAAAA : 0xAAFFAA
				}, {
					duration: 100,
					easing: tween.easeIn
				});
			}
		});
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFF0000, 300);
		// Impact animation
		tween(self, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 150,
					easing: tween.easeIn
				});
			}
		});
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Visual death effect
		tween(dogGraphics, {
			alpha: 0,
			scaleX: 0.1,
			scaleY: 0.1
		}, {
			duration: 500,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				// Respawn after 10 seconds
				LK.setTimeout(function () {
					self.health = self.maxHealth;
					self.x = cyborg.x + 50;
					self.y = cyborg.y + 50;
					dogGraphics.alpha = 1;
					dogGraphics.scaleX = 1;
					dogGraphics.scaleY = 1;
				}, 10000);
			}
		});
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 50;
	self.speed = 1;
	self.attackDamage = 15;
	self.attackCooldown = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Move towards crystal
		var angle = Math.atan2(crystal.y - self.y, crystal.x - self.x);
		var newX = self.x + Math.cos(angle) * self.speed;
		var newY = self.y + Math.sin(angle) * self.speed;
		// Check structure collision
		if (!checkStructureCollision(self, newX, newY)) {
			self.x = newX;
			self.y = newY;
		} else {
			// Try to move around obstacle
			var sideAngle = angle + Math.PI / 2;
			var sideX = self.x + Math.cos(sideAngle) * self.speed;
			var sideY = self.y + Math.sin(sideAngle) * self.speed;
			if (!checkStructureCollision(self, sideX, sideY)) {
				self.x = sideX;
				self.y = sideY;
			}
		}
		// Attack crystal if close enough
		var distToCrystal = Math.sqrt(Math.pow(self.x - crystal.x, 2) + Math.pow(self.y - crystal.y, 2));
		if (distToCrystal < 160 && self.attackCooldown <= 0) {
			crystal.takeDamage(self.attackDamage);
			self.attackCooldown = 60;
			LK.effects.flashObject(self, 0xFFFFFF, 200);
		}
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFF0000, 200);
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Drop gear
		var gear = getPooledGear();
		gear.x = self.x;
		gear.y = self.y;
		gears.push(gear);
		game.addChild(gear);
		// Sometimes drop battery
		if (Math.random() < 0.3) {
			var battery = getPooledBattery();
			battery.x = self.x + (Math.random() - 0.5) * 40;
			battery.y = self.y + (Math.random() - 0.5) * 40;
			batteries.push(battery);
			game.addChild(battery);
		}
		LK.getSound('enemyHit').play();
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bulletGraphics.tint = 0xFF0000; // Red tint for enemy bullets
	self.velocityX = 0;
	self.velocityY = 0;
	self.damage = 20;
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Check collision with cyborg
		if (self.intersects(cyborg)) {
			cyborg.takeDamage(self.damage);
			// Remove bullet
			for (var i = enemyBullets.length - 1; i >= 0; i--) {
				if (enemyBullets[i] === self) {
					enemyBullets.splice(i, 1);
					break;
				}
			}
			returnEnemyBulletToPool(self);
			return;
		}
		// Check collision with cyborg dog
		if (self.intersects(cyborgDog)) {
			cyborgDog.takeDamage(self.damage);
			// Remove bullet
			for (var i = enemyBullets.length - 1; i >= 0; i--) {
				if (enemyBullets[i] === self) {
					enemyBullets.splice(i, 1);
					break;
				}
			}
			returnEnemyBulletToPool(self);
			return;
		}
		// Check collision with structures
		for (var s = structures.length - 1; s >= 0; s--) {
			if (self.intersects(structures[s])) {
				// Remove bullet
				for (var p = enemyBullets.length - 1; p >= 0; p--) {
					if (enemyBullets[p] === self) {
						enemyBullets.splice(p, 1);
						break;
					}
				}
				returnEnemyBulletToPool(self);
				return;
			}
		}
		// Remove if off screen
		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) {
			for (var j = enemyBullets.length - 1; j >= 0; j--) {
				if (enemyBullets[j] === self) {
					enemyBullets.splice(j, 1);
					break;
				}
			}
			returnEnemyBulletToPool(self);
		}
	};
	return self;
});
var FastEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('fastEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 30;
	self.speed = 2.5;
	self.attackDamage = 10;
	self.attackCooldown = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Move towards crystal with erratic movement
		var angle = Math.atan2(crystal.y - self.y, crystal.x - self.x);
		var wobble = Math.sin(LK.ticks * 0.1) * 0.5;
		var newX = self.x + Math.cos(angle + wobble) * self.speed;
		var newY = self.y + Math.sin(angle + wobble) * self.speed;
		// Check structure collision
		if (!checkStructureCollision(self, newX, newY)) {
			self.x = newX;
			self.y = newY;
		} else {
			// Try to move around obstacle
			var sideAngle = angle + Math.PI / 2;
			var sideX = self.x + Math.cos(sideAngle) * self.speed;
			var sideY = self.y + Math.sin(sideAngle) * self.speed;
			if (!checkStructureCollision(self, sideX, sideY)) {
				self.x = sideX;
				self.y = sideY;
			}
		}
		// Attack crystal if close enough
		var distToCrystal = Math.sqrt(Math.pow(self.x - crystal.x, 2) + Math.pow(self.y - crystal.y, 2));
		if (distToCrystal < 160 && self.attackCooldown <= 0) {
			crystal.takeDamage(self.attackDamage);
			self.attackCooldown = 40;
			LK.effects.flashObject(self, 0xFFFFFF, 200);
		}
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFF0000, 200);
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Drop gear
		var gear = new Gear();
		gear.x = self.x;
		gear.y = self.y;
		gears.push(gear);
		game.addChild(gear);
		// Sometimes drop battery
		if (Math.random() < 0.25) {
			var battery = new Battery();
			battery.x = self.x + (Math.random() - 0.5) * 40;
			battery.y = self.y + (Math.random() - 0.5) * 40;
			batteries.push(battery);
			game.addChild(battery);
		}
		LK.getSound('enemyHit').play();
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var Gear = Container.expand(function () {
	var self = Container.call(this);
	var gearGraphics = self.attachAsset('gear', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		gearGraphics.rotation += 0.1;
		// Check if cyborg is close enough to collect
		var distToCyborg = Math.sqrt(Math.pow(self.x - cyborg.x, 2) + Math.pow(self.y - cyborg.y, 2));
		if (distToCyborg < 40) {
			gearCount++;
			gearsText.setText('Gears: ' + gearCount);
			LK.getSound('collect').play();
			// Remove from gears array
			for (var i = gears.length - 1; i >= 0; i--) {
				if (gears[i] === self) {
					gears.splice(i, 1);
					break;
				}
			}
			returnGearToPool(self);
		}
	};
	return self;
});
var MovementButton = Container.expand(function () {
	var self = Container.call(this);
	// Outer circle (background)
	var outerCircle = self.attachAsset('barrier', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.4,
		alpha: 0.3
	});
	// Inner circle (knob)
	var innerCircle = self.attachAsset('cyborg', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.3,
		scaleY: 0.3
	});
	self.outerRadius = 60;
	self.innerRadius = 25;
	self.centerX = 0;
	self.centerY = 0;
	self.isDragging = false;
	self.down = function (x, y, obj) {
		self.isDragging = true;
		isMoving = true;
		self.updateKnob(x, y);
	};
	self.up = function (x, y, obj) {
		self.isDragging = false;
		isMoving = false;
		movementDirection.x = 0;
		movementDirection.y = 0;
		// Animate knob back to center
		tween(innerCircle, {
			x: 0,
			y: 0
		}, {
			duration: 200,
			easing: tween.easeOut
		});
	};
	self.move = function (x, y, obj) {
		if (self.isDragging) {
			self.updateKnob(x, y);
		}
	};
	self.updateKnob = function (x, y) {
		var dx = x - self.centerX;
		var dy = y - self.centerY;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > self.outerRadius) {
			dx = dx / distance * self.outerRadius;
			dy = dy / distance * self.outerRadius;
			distance = self.outerRadius;
		}
		innerCircle.x = dx;
		innerCircle.y = dy;
		// Calculate normalized movement direction with improved sensitivity
		var strength = Math.min(distance / self.outerRadius, 1.0);
		var sensitivity = 1.5; // Increase sensitivity for better control
		movementDirection.x = dx / self.outerRadius * strength * sensitivity;
		movementDirection.y = dy / self.outerRadius * strength * sensitivity;
	};
	return self;
});
var RangedEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('rangedEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 40;
	self.speed = 1.2;
	self.attackDamage = 12;
	self.attackCooldown = 0;
	self.shootCooldown = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Stay at medium distance from crystal
		var distToCrystal = Math.sqrt(Math.pow(self.x - crystal.x, 2) + Math.pow(self.y - crystal.y, 2));
		var angle = Math.atan2(crystal.y - self.y, crystal.x - self.x);
		if (distToCrystal > 400) {
			// Move closer
			var newX = self.x + Math.cos(angle) * self.speed;
			var newY = self.y + Math.sin(angle) * self.speed;
			if (!checkStructureCollision(self, newX, newY)) {
				self.x = newX;
				self.y = newY;
			}
		} else if (distToCrystal < 300) {
			// Move away
			var newX = self.x - Math.cos(angle) * self.speed;
			var newY = self.y - Math.sin(angle) * self.speed;
			if (!checkStructureCollision(self, newX, newY)) {
				self.x = newX;
				self.y = newY;
			}
		}
		// Shoot at cyborg
		if (self.shootCooldown <= 0) {
			var distToCyborg = Math.sqrt(Math.pow(self.x - cyborg.x, 2) + Math.pow(self.y - cyborg.y, 2));
			if (distToCyborg < 500) {
				self.shootAtCyborg();
				self.shootCooldown = 120;
			}
		}
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		// Attack crystal if close enough
		if (distToCrystal < 160 && self.attackCooldown <= 0) {
			crystal.takeDamage(self.attackDamage);
			self.attackCooldown = 60;
			LK.effects.flashObject(self, 0xFFFFFF, 200);
		}
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
	};
	self.shootAtCyborg = function () {
		var bullet = getPooledEnemyBullet();
		bullet.x = self.x;
		bullet.y = self.y;
		var angle = Math.atan2(cyborg.y - self.y, cyborg.x - self.x);
		bullet.velocityX = Math.cos(angle) * 4;
		bullet.velocityY = Math.sin(angle) * 4;
		enemyBullets.push(bullet);
		game.addChild(bullet);
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFF0000, 200);
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Drop gear
		var gear = new Gear();
		gear.x = self.x;
		gear.y = self.y;
		gears.push(gear);
		game.addChild(gear);
		// Sometimes drop battery
		if (Math.random() < 0.3) {
			var battery = new Battery();
			battery.x = self.x + (Math.random() - 0.5) * 40;
			battery.y = self.y + (Math.random() - 0.5) * 40;
			batteries.push(battery);
			game.addChild(battery);
		}
		LK.getSound('enemyHit').play();
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var Structure = Container.expand(function (type) {
	var self = Container.call(this);
	var structureGraphics = self.attachAsset(type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.structureType = type;
	return self;
});
var TankEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('tankEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 120;
	self.speed = 0.7;
	self.attackDamage = 30;
	self.attackCooldown = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Move towards crystal steadily
		var angle = Math.atan2(crystal.y - self.y, crystal.x - self.x);
		var newX = self.x + Math.cos(angle) * self.speed;
		var newY = self.y + Math.sin(angle) * self.speed;
		// Check structure collision
		if (!checkStructureCollision(self, newX, newY)) {
			self.x = newX;
			self.y = newY;
		} else {
			// Try to move around obstacle
			var sideAngle = angle + Math.PI / 2;
			var sideX = self.x + Math.cos(sideAngle) * self.speed;
			var sideY = self.y + Math.sin(sideAngle) * self.speed;
			if (!checkStructureCollision(self, sideX, sideY)) {
				self.x = sideX;
				self.y = sideY;
			}
		}
		// Attack crystal if close enough
		var distToCrystal = Math.sqrt(Math.pow(self.x - crystal.x, 2) + Math.pow(self.y - crystal.y, 2));
		if (distToCrystal < 160 && self.attackCooldown <= 0) {
			crystal.takeDamage(self.attackDamage);
			self.attackCooldown = 90;
			LK.effects.flashObject(self, 0xFFFFFF, 300);
		}
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= Math.floor(damage * 0.7); // Reduced damage
		LK.effects.flashObject(self, 0xFF0000, 200);
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Drop more gear
		var gear = new Gear();
		gear.x = self.x;
		gear.y = self.y;
		gears.push(gear);
		game.addChild(gear);
		// Drop extra gear
		if (Math.random() < 0.6) {
			var gear2 = new Gear();
			gear2.x = self.x + (Math.random() - 0.5) * 30;
			gear2.y = self.y + (Math.random() - 0.5) * 30;
			gears.push(gear2);
			game.addChild(gear2);
		}
		// Sometimes drop battery
		if (Math.random() < 0.4) {
			var battery = new Battery();
			battery.x = self.x + (Math.random() - 0.5) * 40;
			battery.y = self.y + (Math.random() - 0.5) * 40;
			batteries.push(battery);
			game.addChild(battery);
		}
		LK.getSound('enemyHit').play();
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F2F2F
});

/**** 
* Game Code
****/ 
// Game variables
var cyborg;
var cyborgDog;
var crystal;
var barrier;
var enemies = [];
var bullets = [];
var enemyBullets = [];
var gears = [];
var batteries = [];
var structures = [];
var gearCount = 0;
var waveNumber = 1;
var enemySpawnTimer = 0;
var enemiesPerWave = 5;
var waveTimer = 0;
var waveDelay = 300;
// Object pools for performance
var bulletPool = [];
var enemyBulletPool = [];
var gearPool = [];
var batteryPool = [];
var maxPoolSize = 50;
// Movement control variables
var movementButton;
var isMoving = false;
var movementDirection = {
	x: 0,
	y: 0
};
// UI elements
var healthText = new Text2('Health: 100', {
	size: 40,
	fill: 0xFFFFFF
});
healthText.anchor.set(0, 0);
healthText.x = 120;
healthText.y = 50;
LK.gui.topLeft.addChild(healthText);
var crystalHealthText = new Text2('Crystal: 500', {
	size: 40,
	fill: 0x00FFFF
});
crystalHealthText.anchor.set(0.5, 0);
crystalHealthText.x = 1024;
crystalHealthText.y = 50;
LK.gui.top.addChild(crystalHealthText);
var barrierText = new Text2('Barrier: 100', {
	size: 40,
	fill: 0x00FFFF
});
barrierText.anchor.set(1, 0);
barrierText.x = 1928;
barrierText.y = 50;
LK.gui.topRight.addChild(barrierText);
var gearsText = new Text2('Gears: 0', {
	size: 40,
	fill: 0xFFD700
});
gearsText.anchor.set(0, 0);
gearsText.x = 120;
gearsText.y = 100;
LK.gui.topLeft.addChild(gearsText);
var waveText = new Text2('Wave: 1', {
	size: 40,
	fill: 0xFFFFFF
});
waveText.anchor.set(0.5, 0);
waveText.x = 1024;
waveText.y = 100;
LK.gui.top.addChild(waveText);
// Initialize game objects
crystal = game.addChild(new Crystal());
crystal.x = 1024;
crystal.y = 1366;
barrier = game.addChild(new Barrier());
barrier.x = crystal.x;
barrier.y = crystal.y;
cyborg = game.addChild(new Cyborg());
cyborg.x = 1024;
cyborg.y = 1200;
// Create cyborg dog ally
cyborgDog = game.addChild(new CyborgDog());
cyborgDog.x = cyborg.x + 80;
cyborgDog.y = cyborg.y + 80;
// Create movement button
movementButton = new MovementButton();
movementButton.x = 180;
movementButton.y = 2400; // Moved up slightly for better thumb reach
movementButton.centerX = movementButton.x;
movementButton.centerY = movementButton.y;
LK.gui.bottomLeft.addChild(movementButton);
// Create map structures
createMapStructures();
// Event handlers
game.down = function (x, y, obj) {
	cyborg.shoot(x, y);
};
game.move = function (x, y, obj) {
	// Only handle tap-to-move if not using movement button
	if (!isMoving) {
		var dx = x - cyborg.x;
		var dy = y - cyborg.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 10) {
			// Calculate target position with bounds checking
			var targetX = Math.max(40, Math.min(2008, x));
			var targetY = Math.max(40, Math.min(2692, y));
			// Check if target position would collide with structures
			var tempX = cyborg.x;
			var tempY = cyborg.y;
			cyborg.x = targetX;
			cyborg.y = targetY;
			var wouldCollide = false;
			for (var i = 0; i < structures.length; i++) {
				if (cyborg.intersects(structures[i])) {
					wouldCollide = true;
					break;
				}
			}
			cyborg.x = tempX;
			cyborg.y = tempY;
			if (!wouldCollide) {
				// Stop any existing movement tween
				tween.stop(cyborg, {
					x: true,
					y: true
				});
				// Create smooth movement tween with faster speed
				tween(cyborg, {
					x: targetX,
					y: targetY
				}, {
					duration: distance * 8,
					// Reduced from 15 to 8 for even faster movement
					// Dynamic duration based on distance
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Optional: Add a subtle bounce effect when reaching destination
						tween(cyborg, {
							scaleX: 1.1,
							scaleY: 1.1
						}, {
							duration: 100,
							easing: tween.easeOut,
							onFinish: function onFinish() {
								tween(cyborg, {
									scaleX: 1.0,
									scaleY: 1.0
								}, {
									duration: 100,
									easing: tween.easeIn
								});
							}
						});
					}
				});
			}
		}
	}
};
function createMapStructures() {
	// Create trees
	var treePositions = [{
		x: 300,
		y: 400
	}, {
		x: 1700,
		y: 1100
	}];
	for (var i = 0; i < treePositions.length; i++) {
		var tree = new Structure('tree');
		tree.x = treePositions[i].x;
		tree.y = treePositions[i].y;
		structures.push(tree);
		game.addChild(tree);
	}
	// Create destroyed cars
	var carPositions = [{
		x: 600,
		y: 500
	}, {
		x: 1400,
		y: 700
	}];
	for (var j = 0; j < carPositions.length; j++) {
		var car = new Structure('destroyedCar');
		car.x = carPositions[j].x;
		car.y = carPositions[j].y;
		structures.push(car);
		game.addChild(car);
	}
	// Create rocks
	var rockPositions = [{
		x: 700,
		y: 900
	}, {
		x: 1300,
		y: 1200
	}];
	for (var k = 0; k < rockPositions.length; k++) {
		var rock = new Structure('rock');
		rock.x = rockPositions[k].x;
		rock.y = rockPositions[k].y;
		structures.push(rock);
		game.addChild(rock);
	}
}
function spawnEnemy() {
	var enemy;
	// Randomly choose enemy type based on wave number
	var enemyType = Math.random();
	if (enemyType < 0.4) {
		enemy = new Enemy();
	} else if (enemyType < 0.7) {
		enemy = new FastEnemy();
	} else if (enemyType < 0.9) {
		enemy = new RangedEnemy();
	} else {
		enemy = new TankEnemy();
	}
	// Spawn from random edge
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			enemy.x = Math.random() * 2048;
			enemy.y = -30;
			break;
		case 1:
			// Right
			enemy.x = 2078;
			enemy.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			enemy.x = Math.random() * 2048;
			enemy.y = 2762;
			break;
		case 3:
			// Left
			enemy.x = -30;
			enemy.y = Math.random() * 2732;
			break;
	}
	enemies.push(enemy);
	game.addChild(enemy);
}
function checkStructureCollision(obj, newX, newY) {
	var tempX = obj.x;
	var tempY = obj.y;
	obj.x = newX;
	obj.y = newY;
	for (var i = 0; i < structures.length; i++) {
		if (obj.intersects(structures[i])) {
			obj.x = tempX;
			obj.y = tempY;
			return true;
		}
	}
	return false;
}
function getPooledBullet() {
	if (bulletPool.length > 0) {
		return bulletPool.pop();
	}
	return new Bullet();
}
function returnBulletToPool(bullet) {
	if (bulletPool.length < maxPoolSize) {
		bulletPool.push(bullet);
		game.removeChild(bullet);
	} else {
		bullet.destroy();
	}
}
function getPooledEnemyBullet() {
	if (enemyBulletPool.length > 0) {
		return enemyBulletPool.pop();
	}
	return new EnemyBullet();
}
function returnEnemyBulletToPool(bullet) {
	if (enemyBulletPool.length < maxPoolSize) {
		enemyBulletPool.push(bullet);
		game.removeChild(bullet);
	} else {
		bullet.destroy();
	}
}
function getPooledGear() {
	if (gearPool.length > 0) {
		return gearPool.pop();
	}
	return new Gear();
}
function returnGearToPool(gear) {
	if (gearPool.length < maxPoolSize) {
		gearPool.push(gear);
		game.removeChild(gear);
	} else {
		gear.destroy();
	}
}
function getPooledBattery() {
	if (batteryPool.length > 0) {
		return batteryPool.pop();
	}
	return new Battery();
}
function returnBatteryToPool(battery) {
	if (batteryPool.length < maxPoolSize) {
		batteryPool.push(battery);
		game.removeChild(battery);
	} else {
		battery.destroy();
	}
}
function startNewWave() {
	waveNumber++;
	waveText.setText('Wave: ' + waveNumber);
	enemiesPerWave = Math.floor(5 + waveNumber * 1.5);
	waveTimer = 0;
	// Spawn enemies for this wave
	for (var i = 0; i < enemiesPerWave; i++) {
		LK.setTimeout(function () {
			spawnEnemy();
		}, i * 1000);
	}
}
// Main game loop
game.update = function () {
	// Update wave timer
	waveTimer++;
	// Check if wave is complete (no enemies left and enough time passed)
	if (enemies.length === 0 && waveTimer > waveDelay) {
		startNewWave();
	}
	// Update all bullets (optimized loop)
	var i = bullets.length;
	while (i--) {
		bullets[i].update();
	}
	// Update all enemy bullets (optimized loop)
	var m = enemyBullets.length;
	while (m--) {
		enemyBullets[m].update();
	}
	// Update all enemies (optimized loop)
	var j = enemies.length;
	while (j--) {
		enemies[j].update();
	}
	// Update all gears (optimized loop)
	var k = gears.length;
	while (k--) {
		gears[k].update();
	}
	// Update all batteries (optimized loop)
	var l = batteries.length;
	while (l--) {
		batteries[l].update();
	}
	// Update cyborg
	cyborg.update();
	// Update cyborg dog
	cyborgDog.update();
	// Update barrier
	barrier.update();
};
// Start first wave
LK.setTimeout(function () {
	startNewWave();
}, 2000);