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

/**** 
* Classes
****/ 
var BasicEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('basicEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 25;
	self.maxHealth = 25;
	self.damage = 15;
	self.speed = 3;
	self.scoreValue = 10;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			// Drop XP orb
			var xpOrb = new XPOrb();
			xpOrb.x = self.x;
			xpOrb.y = self.y;
			xpOrbs.push(xpOrb);
			game.addChild(xpOrb);
			self.destroy();
			LK.setScore(LK.getScore() + self.scoreValue);
			scoreTxt.setText(LK.getScore());
			LK.getSound('enemyDestroy').play();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var Boss = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('wikingboss', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bossGraphics.tint = 0x8B4513; // Brown viking color
	bossGraphics.scaleX = 4.0; // Much larger viking boss model
	bossGraphics.scaleY = 4.0; // Much larger viking boss model
	// Add viking boss aura effect
	var auraGraphics = self.attachAsset('wikingboss', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	auraGraphics.tint = 0xDAA520; // Golden viking aura
	auraGraphics.alpha = 0.4;
	auraGraphics.scaleX = 4.5; // Larger aura to match viking boss size
	auraGraphics.scaleY = 4.5; // Larger aura to match viking boss size
	// Add pulsing viking aura animation
	tween(auraGraphics, {
		scaleX: 5.0,
		scaleY: 5.0,
		alpha: 0.2
	}, {
		duration: 1500,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(auraGraphics, {
				scaleX: 4.5,
				scaleY: 4.5,
				alpha: 0.4
			}, {
				duration: 1500,
				easing: tween.easeInOut
			});
		}
	});
	self.health = 400 + (currentWave - 3) * 85; // Much higher health for viking boss
	self.maxHealth = self.health;
	self.damage = 70; // Higher damage for intimidating viking boss
	self.speed = 1.1; // Slightly slower due to massive viking size
	self.scoreValue = 250; // Higher reward for defeating viking boss
	self.lastLightningTime = 0;
	self.lightningCooldown = 120; // 2 seconds at 60fps
	self.lastChargeTime = 0;
	self.chargeCooldown = 300; // 5 seconds at 60fps
	self.isCharging = false;
	self.chargeSpeed = 8;
	self.chargeTargetX = 0;
	self.chargeTargetY = 0;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			// Drop multiple XP orbs
			for (var orbCount = 0; orbCount < 5; orbCount++) {
				var xpOrb = new XPOrb();
				xpOrb.x = self.x + (Math.random() - 0.5) * 100;
				xpOrb.y = self.y + (Math.random() - 0.5) * 100;
				xpOrbs.push(xpOrb);
				game.addChild(xpOrb);
			}
			self.destroy();
			LK.setScore(LK.getScore() + self.scoreValue);
			scoreTxt.setText(LK.getScore());
			LK.getSound('enemyDestroy').play();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	self.shootBigBullets = function () {
		// Create multiple big bullets
		for (var bulletCount = 0; bulletCount < 5; bulletCount++) {
			var bigBullet = new BossBullet();
			bigBullet.x = self.x;
			bigBullet.y = self.y;
			// Spread bullets around hero
			var angleOffset = (bulletCount - 2) * Math.PI / 8;
			var targetX = hero.x + Math.cos(angleOffset) * 150;
			var targetY = hero.y + Math.sin(angleOffset) * 150;
			bigBullet.setTarget(targetX, targetY);
			bossBullets.push(bigBullet);
			game.addChild(bigBullet);
		}
		LK.effects.flashObject(self, 0xFF4500, 400);
	};
	self.startCharge = function () {
		self.isCharging = true;
		self.chargeTargetX = hero.x;
		self.chargeTargetY = hero.y;
		LK.effects.flashObject(self, 0xFF4500, 500);
		// Viking boss grows larger during charge
		tween(bossGraphics, {
			scaleX: 4.5,
			scaleY: 4.5
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Charge for 1 second then return to normal
				LK.setTimeout(function () {
					self.isCharging = false;
					tween(bossGraphics, {
						scaleX: 4.0,
						scaleY: 4.0
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}, 1000);
			}
		});
	};
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		var currentTime = LK.ticks;
		// Big bullet attack
		if (distance < 600 && currentTime - self.lastLightningTime > self.lightningCooldown) {
			self.shootBigBullets();
			self.lastLightningTime = currentTime;
		}
		// Charge attack
		if (distance > 200 && distance < 500 && currentTime - self.lastChargeTime > self.chargeCooldown && !self.isCharging) {
			self.startCharge();
			self.lastChargeTime = currentTime;
		}
		// Movement behavior
		if (self.isCharging) {
			// Charge towards target position
			var chargeDx = self.chargeTargetX - self.x;
			var chargeDy = self.chargeTargetY - self.y;
			var chargeDistance = Math.sqrt(chargeDx * chargeDx + chargeDy * chargeDy);
			if (chargeDistance > 0) {
				self.x += chargeDx / chargeDistance * self.chargeSpeed;
				self.y += chargeDy / chargeDistance * self.chargeSpeed;
			}
		} else {
			// Normal movement - maintain distance from hero
			if (distance > 300) {
				// Move closer
				if (distance > 0) {
					self.x += dx / distance * self.speed;
					self.y += dy / distance * self.speed;
				}
			} else if (distance < 150) {
				// Move away
				if (distance > 0) {
					self.x -= dx / distance * self.speed;
					self.y -= dy / distance * self.speed;
				}
			}
		}
	};
	return self;
});
var BossBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bossBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bulletGraphics.scaleX = 1.5; // Scale for appropriate size
	bulletGraphics.scaleY = 1.5; // Scale for appropriate size
	// Add glowing effect to boss bullets
	var glowGraphics = self.attachAsset('bossBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	glowGraphics.tint = 0xFF6600; // Orange glow
	glowGraphics.alpha = 0.4;
	glowGraphics.scaleX = 2;
	glowGraphics.scaleY = 2;
	// Pulsing glow animation
	tween(glowGraphics, {
		scaleX: 2.5,
		scaleY: 2.5,
		alpha: 0.2
	}, {
		duration: 500,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(glowGraphics, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0.4
			}, {
				duration: 500,
				easing: tween.easeInOut
			});
		}
	});
	self.speed = 6;
	self.damage = 50;
	self.targetX = 0;
	self.targetY = 0;
	self.directionX = 0;
	self.directionY = 0;
	self.setTarget = function (x, y) {
		self.targetX = x;
		self.targetY = y;
		var dx = x - self.x;
		var dy = y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.directionX = dx / distance;
			self.directionY = dy / distance;
		}
		// Rotate bullet to face direction
		bulletGraphics.rotation = Math.atan2(dy, dx) + Math.PI / 2;
	};
	self.update = function () {
		self.x += self.directionX * self.speed;
		self.y += self.directionY * self.speed;
		// Rotate the boss bullet for visual effect
		self.rotation += 0.1;
		// Remove bullet if it goes off screen
		if (self.x < -50 || self.x > 8242 || self.y < -50 || self.y > 10978) {
			self.destroy();
			for (var i = bossBullets.length - 1; i >= 0; i--) {
				if (bossBullets[i] === self) {
					bossBullets.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Bullet.prototype.baseSpeed || 8;
	self.damage = 25;
	self.targetX = 0;
	self.targetY = 0;
	self.directionX = 0;
	self.directionY = 0;
	self.setTarget = function (x, y) {
		self.targetX = x;
		self.targetY = y;
		var dx = x - self.x;
		var dy = y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.directionX = dx / distance;
			self.directionY = dy / distance;
		}
		// Rotate bullet to face direction
		bulletGraphics.rotation = Math.atan2(dy, dx) + Math.PI / 2;
	};
	self.update = function () {
		self.x += self.directionX * self.speed;
		self.y += self.directionY * self.speed;
		// Remove bullet if it goes off screen
		if (self.x < -50 || self.x > 8242 || self.y < -50 || self.y > 10978) {
			self.destroy();
			for (var i = bullets.length - 1; i >= 0; i--) {
				if (bullets[i] === self) {
					bullets.splice(i, 1);
					break;
				}
			}
		}
	};
	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 = 15;
	self.maxHealth = 15;
	self.damage = 10;
	self.speed = 4.5;
	self.scoreValue = 15;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			// Create explosion effect
			LK.effects.flashScreen(0xFFA500, 300); // Orange flash
			// Deal damage to nearby enemies
			for (var j = 0; j < enemies.length; j++) {
				var otherEnemy = enemies[j];
				if (otherEnemy !== self) {
					var explodeDx = otherEnemy.x - self.x;
					var explodeDy = otherEnemy.y - self.y;
					var explodeDistance = Math.sqrt(explodeDx * explodeDx + explodeDy * explodeDy);
					// Damage enemies within 150 pixel radius
					if (explodeDistance < 150) {
						otherEnemy.takeDamage(20);
						// Push enemies away from explosion
						if (explodeDistance > 0) {
							otherEnemy.x += explodeDx / explodeDistance * 50;
							otherEnemy.y += explodeDy / explodeDistance * 50;
						}
					}
				}
			}
			// Check if hero is in explosion radius
			var heroDx = hero.x - self.x;
			var heroDy = hero.y - self.y;
			var heroDistance = Math.sqrt(heroDx * heroDx + heroDy * heroDy);
			if (heroDistance < 150) {
				hero.takeDamage(15);
			}
			// Drop XP orb
			var xpOrb = new XPOrb();
			xpOrb.x = self.x;
			xpOrb.y = self.y;
			xpOrbs.push(xpOrb);
			game.addChild(xpOrb);
			self.destroy();
			LK.setScore(LK.getScore() + self.scoreValue);
			scoreTxt.setText(LK.getScore());
			LK.getSound('enemyDestroy').play();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var weaponGraphics = self.attachAsset('weapon', {
		anchorX: 0.5,
		anchorY: 0.9
	});
	weaponGraphics.x = 25;
	weaponGraphics.y = -10;
	self.maxHealth = 100;
	self.health = self.maxHealth;
	self.attackDamage = 25;
	self.isInvulnerable = false;
	self.takeDamage = function (damage) {
		if (self.isInvulnerable) return;
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			LK.showGameOver();
			return;
		}
		// Flash red when taking damage
		LK.effects.flashObject(self, 0xFF0000, 300);
		LK.getSound('playerHit').play();
		// Brief invulnerability
		self.isInvulnerable = true;
		LK.setTimeout(function () {
			self.isInvulnerable = false;
		}, 500);
	};
	self.attack = function (enemy) {
		enemy.takeDamage(self.attackDamage);
		LK.getSound('enemyHit').play();
		// Weapon swing animation
		tween(weaponGraphics, {
			rotation: weaponGraphics.rotation + Math.PI / 3
		}, {
			duration: 100
		});
	};
	self.updateWeapon = function (targetX, targetY) {
		// Calculate angle to target
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var angle = Math.atan2(dy, dx);
		weaponGraphics.rotation = angle + Math.PI / 2;
	};
	self.shoot = function (targetX, targetY) {
		var bullet = new Bullet();
		bullet.x = self.x + Math.cos(weaponGraphics.rotation - Math.PI / 2) * 40;
		bullet.y = self.y + Math.sin(weaponGraphics.rotation - Math.PI / 2) * 40;
		bullet.setTarget(targetX, targetY);
		bullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('weaponShoot').play();
		// Weapon recoil animation
		tween(weaponGraphics, {
			y: weaponGraphics.y + 5
		}, {
			duration: 50,
			onComplete: function onComplete() {
				tween(weaponGraphics, {
					y: weaponGraphics.y - 5
				}, {
					duration: 50
				});
			}
		});
	};
	self.isWalking = false;
	self.moveSpeed = 4;
	self.analogMove = function (deltaX, deltaY) {
		// Analog movement with bounds checking
		var newX = self.x + deltaX * self.moveSpeed;
		var newY = self.y + deltaY * self.moveSpeed;
		// Keep within bounds
		self.x = Math.max(40, Math.min(8152, newX));
		self.y = Math.max(40, Math.min(10888, newY));
	};
	self.walkTo = function (targetX, targetY) {
		// Don't start new walk if already walking
		if (self.isWalking) {
			tween.stop(self, {
				x: true,
				y: true
			});
		}
		self.isWalking = true;
		// Keep within bounds
		targetX = Math.max(40, Math.min(8152, targetX));
		targetY = Math.max(40, Math.min(10888, targetY));
		// Calculate distance for duration
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		var duration = distance * 2; // Adjust speed by changing multiplier
		// Walking animation with slight bounce
		tween(heroGraphics, {
			scaleY: 0.9
		}, {
			duration: duration / 4,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(heroGraphics, {
					scaleY: 1.1
				}, {
					duration: duration / 4,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						tween(heroGraphics, {
							scaleY: 1.0
						}, {
							duration: duration / 2,
							easing: tween.easeOut
						});
					}
				});
			}
		});
		// Move to target position
		tween(self, {
			x: targetX,
			y: targetY
		}, {
			duration: duration,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.isWalking = false;
			}
		});
	};
	return self;
});
var Lightning = Container.expand(function () {
	var self = Container.call(this);
	var lightningGraphics = self.attachAsset('lightningBolt', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add glowing effect to lightning bolt
	var glowGraphics = self.attachAsset('lightningBolt', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	glowGraphics.tint = 0xFFFF00; // Yellow glow
	glowGraphics.alpha = 0.5;
	glowGraphics.scaleX = 1.3;
	glowGraphics.scaleY = 1.3;
	self.speed = 7;
	self.damage = 30;
	self.targetX = 0;
	self.targetY = 0;
	self.directionX = 0;
	self.directionY = 0;
	self.lifetime = 0;
	self.maxLifetime = 120; // 2 seconds at 60fps
	// Lightning crackling effect
	tween(lightningGraphics, {
		alpha: 0.3
	}, {
		duration: 100,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(lightningGraphics, {
				alpha: 1.0
			}, {
				duration: 100,
				easing: tween.easeInOut
			});
		}
	});
	self.setTarget = function (x, y) {
		self.targetX = x;
		self.targetY = y;
		var dx = x - self.x;
		var dy = y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.directionX = dx / distance;
			self.directionY = dy / distance;
		}
		// Rotate lightning to face direction
		lightningGraphics.rotation = Math.atan2(dy, dx) + Math.PI / 2;
		glowGraphics.rotation = Math.atan2(dy, dx) + Math.PI / 2;
	};
	self.update = function () {
		self.x += self.directionX * self.speed;
		self.y += self.directionY * self.speed;
		self.lifetime++;
		// Random flickering effect
		if (Math.random() < 0.3) {
			lightningGraphics.alpha = Math.random() * 0.5 + 0.5;
		}
		// Remove lightning after lifetime expires or goes off screen
		if (self.lifetime > self.maxLifetime || self.x < -50 || self.x > 8242 || self.y < -50 || self.y > 10978) {
			self.destroy();
			for (var i = lightningBolts.length - 1; i >= 0; i--) {
				if (lightningBolts[i] === self) {
					lightningBolts.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var StrongEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('strongEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 50;
	self.maxHealth = 50;
	self.damage = 25;
	self.speed = 2.8;
	self.scoreValue = 25;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			// Drop XP orb
			var xpOrb = new XPOrb();
			xpOrb.x = self.x;
			xpOrb.y = self.y;
			xpOrbs.push(xpOrb);
			game.addChild(xpOrb);
			self.destroy();
			LK.setScore(LK.getScore() + self.scoreValue);
			scoreTxt.setText(LK.getScore());
			LK.getSound('enemyDestroy').play();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});
var UpgradeOption = Container.expand(function () {
	var self = Container.call(this);
	// Background for upgrade option - made larger
	var bgGraphics = self.attachAsset('levelBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bgGraphics.scaleX = 3.5;
	bgGraphics.scaleY = 4;
	bgGraphics.tint = 0x2c3e50;
	// Title text - made larger
	self.titleText = new Text2('', {
		size: 80,
		fill: 0xFFD700
	});
	self.titleText.anchor.set(0.5, 0.5);
	self.titleText.y = -100;
	self.addChild(self.titleText);
	// Description text - made larger
	self.descText = new Text2('', {
		size: 60,
		fill: 0xFFFFFF
	});
	self.descText.anchor.set(0.5, 0.5);
	self.descText.y = 0;
	self.addChild(self.descText);
	// Upgrade type
	self.upgradeType = '';
	self.setUpgrade = function (type, title, description) {
		self.upgradeType = type;
		self.titleText.setText(title);
		self.descText.setText(description);
	};
	// Hover effect
	self.down = function (x, y, obj) {
		tween(bgGraphics, {
			scaleX: 3.8,
			scaleY: 4.3
		}, {
			duration: 100,
			easing: tween.easeOut
		});
	};
	self.up = function (x, y, obj) {
		tween(bgGraphics, {
			scaleX: 3.5,
			scaleY: 4
		}, {
			duration: 100,
			easing: tween.easeIn
		});
		// Apply the upgrade
		applyUpgrade(self.upgradeType);
	};
	return self;
});
var Wizard = Container.expand(function () {
	var self = Container.call(this);
	var wizardGraphics = self.attachAsset('Wizard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add magical aura effect using the wizard asset
	var auraGraphics = self.attachAsset('Wizard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	auraGraphics.tint = 0x9370DB; // Purple aura
	auraGraphics.alpha = 0.3;
	auraGraphics.scaleX = 1.3;
	auraGraphics.scaleY = 1.3;
	// Add pulsing magical aura animation
	tween(auraGraphics, {
		scaleX: 1.8,
		scaleY: 1.8,
		alpha: 0.1
	}, {
		duration: 1000,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(auraGraphics, {
				scaleX: 1.5,
				scaleY: 1.5,
				alpha: 0.3
			}, {
				duration: 1000,
				easing: tween.easeInOut
			});
		}
	});
	self.health = 60;
	self.maxHealth = 60;
	self.damage = 20;
	self.speed = 2.5;
	self.scoreValue = 30;
	self.lastLightningTime = 0;
	self.lightningCooldown = 180; // 3 seconds at 60fps
	self.lightningRange = 400;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			// Drop XP orb
			var xpOrb = new XPOrb();
			xpOrb.x = self.x;
			xpOrb.y = self.y;
			xpOrbs.push(xpOrb);
			game.addChild(xpOrb);
			self.destroy();
			LK.setScore(LK.getScore() + self.scoreValue);
			scoreTxt.setText(LK.getScore());
			LK.getSound('enemyDestroy').play();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	self.shootLightning = function () {
		// Create lightning bolt
		var lightning = new Lightning();
		lightning.x = self.x;
		lightning.y = self.y;
		lightning.setTarget(hero.x, hero.y);
		lightningBolts.push(lightning);
		game.addChild(lightning);
		// Enhanced lightning casting effects
		LK.effects.flashObject(self, 0xFFFF00, 300);
		LK.effects.flashObject(auraGraphics, 0xFFFFFF, 400);
		// Dramatic casting animation - wizard grows larger then returns
		tween(wizardGraphics, {
			scaleX: 1.5,
			scaleY: 1.5,
			rotation: wizardGraphics.rotation + Math.PI / 6
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(wizardGraphics, {
					scaleX: 1.2,
					scaleY: 1.2,
					rotation: wizardGraphics.rotation - Math.PI / 6
				}, {
					duration: 250,
					easing: tween.easeIn
				});
			}
		});
		// Aura intensifies during casting
		tween(auraGraphics, {
			scaleX: 2.2,
			scaleY: 2.2,
			alpha: 0.6
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(auraGraphics, {
					scaleX: 1.5,
					scaleY: 1.5,
					alpha: 0.3
				}, {
					duration: 300,
					easing: tween.easeIn
				});
			}
		});
	};
	self.update = function () {
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// Keep distance and shoot lightning
		if (distance < self.lightningRange && distance > 150) {
			// Stop moving and prepare to shoot
			var currentTime = LK.ticks;
			if (currentTime - self.lastLightningTime > self.lightningCooldown) {
				self.shootLightning();
				self.lastLightningTime = currentTime;
			}
		} else if (distance > self.lightningRange) {
			// Move closer to hero
			if (distance > 0) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		} else if (distance < 150) {
			// Move away from hero
			if (distance > 0) {
				self.x -= dx / distance * self.speed;
				self.y -= dy / distance * self.speed;
			}
		}
	};
	return self;
});
var XPOrb = Container.expand(function () {
	var self = Container.call(this);
	var orbGraphics = self.attachAsset('xpOrb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.xpValue = 5;
	self.moveSpeed = 2;
	self.attractRange = 150;
	// Add pulsing animation to make XP orbs more attractive
	tween(orbGraphics, {
		scaleX: 1.2,
		scaleY: 1.2
	}, {
		duration: 800,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(orbGraphics, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 800,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Restart the pulsing animation
					tween(orbGraphics, {
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 800,
						easing: tween.easeInOut
					});
				}
			});
		}
	});
	self.update = function () {
		// XP orb magnetic attraction to other nearby orbs
		for (var o = 0; o < xpOrbs.length; o++) {
			var otherOrb = xpOrbs[o];
			if (otherOrb !== self) {
				var orbDx = otherOrb.x - self.x;
				var orbDy = otherOrb.y - self.y;
				var orbDistance = Math.sqrt(orbDx * orbDx + orbDy * orbDy);
				// Attract to nearby orbs within 80 pixels
				if (orbDistance < 80 && orbDistance > 0) {
					var attractForce = 0.5;
					self.x += orbDx / orbDistance * attractForce;
					self.y += orbDy / orbDistance * attractForce;
				}
			}
		}
		// Move toward hero if within attract range
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < self.attractRange) {
			if (distance > 0) {
				self.x += dx / distance * self.moveSpeed;
				self.y += dy / distance * self.moveSpeed;
			}
		}
		// Check if collected by hero
		if (distance < 30) {
			// Give XP to player
			currentXP += self.xpValue;
			LK.setScore(LK.getScore() + self.xpValue);
			scoreTxt.setText(LK.getScore());
			LK.getSound('xpCollect').play();
			// Remove from xpOrbs array
			for (var i = xpOrbs.length - 1; i >= 0; i--) {
				if (xpOrbs[i] === self) {
					xpOrbs.splice(i, 1);
					break;
				}
			}
			self.destroy();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x228B22
});

/**** 
* Game Code
****/ 
var hero;
var enemies = [];
var bullets = [];
var xpOrbs = [];
var lightningBolts = [];
var bossBullets = [];
var spawnTimer = 0;
var difficultyLevel = 1;
var scoreTxt;
var healthBar;
var healthBarBg;
var attackIndicator;
var lastShootTime = 0;
var joystickBase;
var joystickKnob;
var isJoystickActive = false;
var joystickStartX = 0;
var joystickStartY = 0;
var joystickRadius = 80;
var movementX = 0;
var movementY = 0;
var healthText;
var levelBar;
var levelBarBg;
var levelText;
var playerLevel = 1;
var currentXP = 0;
var xpToNextLevel = 30;
var currentWave = 1;
var waveStartTime = 0;
var waveDuration = 60000; // 1 minute in milliseconds
var waveEnemyCount = 0;
var baseEnemiesPerWave = 20;
var waveText;
var waveTimer;
var bossSpawned = false;
var upgradeSelectionContainer;
var isSelectingUpgrade = false;
var availableUpgrades = [{
	type: 'health',
	title: 'Health Boost',
	description: '+20 Max Health'
}, {
	type: 'damage',
	title: 'Damage Up',
	description: '+10 Attack Damage'
}, {
	type: 'speed',
	title: 'Speed Boost',
	description: '+1 Movement Speed'
}, {
	type: 'attackSpeed',
	title: 'Attack Speed',
	description: 'Faster Shooting'
}, {
	type: 'bulletSpeed',
	title: 'Bullet Speed',
	description: 'Faster Bullets'
}, {
	type: 'regen',
	title: 'Regeneration',
	description: 'Heal 1 HP/sec'
}];
var lastRegenTime = 0;
var hasRegen = false;
// Create score display
scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create health bar background
healthBarBg = LK.getAsset('healthBarBg', {
	anchorX: 0,
	anchorY: 0
});
healthBarBg.x = 150;
healthBarBg.y = 50;
LK.gui.topLeft.addChild(healthBarBg);
// Create health bar
healthBar = LK.getAsset('healthBar', {
	anchorX: 0,
	anchorY: 0
});
healthBar.x = 150;
healthBar.y = 50;
LK.gui.topLeft.addChild(healthBar);
// Create health text
healthText = new Text2('100/100', {
	size: 40,
	fill: 0xFFFFFF
});
healthText.anchor.set(0, 0.5);
healthText.x = 370;
healthText.y = 60;
LK.gui.topLeft.addChild(healthText);
// Create level bar background at bottom
levelBarBg = LK.getAsset('levelBarBg', {
	anchorX: 0.5,
	anchorY: 0.5
});
levelBarBg.x = 2048 / 2;
levelBarBg.y = 2732 - 60;
game.addChild(levelBarBg);
// Create level bar fill
levelBar = LK.getAsset('levelBar', {
	anchorX: 0,
	anchorY: 0.5
});
levelBar.x = levelBarBg.x - levelBarBg.width / 2;
levelBar.y = levelBarBg.y;
game.addChild(levelBar);
// Create level text
levelText = new Text2('Level 1', {
	size: 50,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0.5);
levelText.x = levelBarBg.x;
levelText.y = levelBarBg.y - 50;
game.addChild(levelText);
// Create wave display
waveText = new Text2('Wave 1', {
	size: 60,
	fill: 0xFFD700
});
waveText.anchor.set(1, 0);
waveText.x = 2048 - 20;
waveText.y = 20;
LK.gui.topRight.addChild(waveText);
// Create wave timer display
waveTimer = new Text2('2:00', {
	size: 50,
	fill: 0xFFFFFF
});
waveTimer.anchor.set(0.5, 0);
waveTimer.x = 0;
waveTimer.y = 80;
LK.gui.top.addChild(waveTimer);
// Create upgrade selection container
upgradeSelectionContainer = new Container();
upgradeSelectionContainer.visible = false;
LK.gui.center.addChild(upgradeSelectionContainer);
// Create semi-transparent background
var upgradeBg = LK.getAsset('wallHorizontal', {
	anchorX: 0.5,
	anchorY: 0.5
});
upgradeBg.scaleX = 8;
upgradeBg.scaleY = 8;
upgradeBg.tint = 0x000000;
upgradeBg.alpha = 0.8;
upgradeSelectionContainer.addChild(upgradeBg);
// Create "Choose Upgrade" title
var upgradeTitle = new Text2('Choose Your Upgrade!', {
	size: 80,
	fill: 0xFFD700
});
upgradeTitle.anchor.set(0.5, 0.5);
upgradeTitle.y = -200;
upgradeSelectionContainer.addChild(upgradeTitle);
// Create boss health bar background
var bossHealthBarBg = LK.getAsset('healthBarBg', {
	anchorX: 0.5,
	anchorY: 0
});
bossHealthBarBg.x = 0;
bossHealthBarBg.y = 140;
bossHealthBarBg.visible = false;
bossHealthBarBg.scaleX = 2;
LK.gui.top.addChild(bossHealthBarBg);
// Create boss health bar
var bossHealthBar = LK.getAsset('healthBar', {
	anchorX: 0.5,
	anchorY: 0
});
bossHealthBar.x = 0;
bossHealthBar.y = 140;
bossHealthBar.visible = false;
bossHealthBar.scaleX = 2;
bossHealthBar.tint = 0xFF4444; // Red color for boss health
LK.gui.top.addChild(bossHealthBar);
// Create boss health text
var bossHealthText = new Text2('', {
	size: 40,
	fill: 0xFFFFFF
});
bossHealthText.anchor.set(0.5, 0);
bossHealthText.x = 0;
bossHealthText.y = 180;
bossHealthText.visible = false;
LK.gui.top.addChild(bossHealthText);
// Create hero
hero = game.addChild(new Hero());
hero.x = 4096;
hero.y = 5464;
// Camera following variables
var cameraX = 0;
var cameraY = 0;
var cameraFollowSpeed = 0.1;
var cameraSmoothing = true;
// Create attack range indicator (initially hidden)
attackIndicator = LK.getAsset('attackRange', {
	anchorX: 0.5,
	anchorY: 0.5
});
attackIndicator.alpha = 0.3;
attackIndicator.visible = false;
game.addChild(attackIndicator);
// Create analog joystick base
joystickBase = LK.getAsset('attackRange', {
	anchorX: 0.5,
	anchorY: 0.5
});
joystickBase.alpha = 0.2;
joystickBase.visible = false;
joystickBase.scaleX = 1.5;
joystickBase.scaleY = 1.5;
game.addChild(joystickBase);
// Create analog joystick knob
joystickKnob = LK.getAsset('hero', {
	anchorX: 0.5,
	anchorY: 0.5
});
joystickKnob.alpha = 0.7;
joystickKnob.visible = false;
joystickKnob.scaleX = 0.6;
joystickKnob.scaleY = 0.6;
game.addChild(joystickKnob);
// Create map boundary walls
var topWall = LK.getAsset('wallHorizontal', {
	anchorX: 0.5,
	anchorY: 0.5
});
topWall.x = 4096;
topWall.y = 20;
game.addChild(topWall);
var bottomWall = LK.getAsset('wallHorizontal', {
	anchorX: 0.5,
	anchorY: 0.5
});
bottomWall.x = 4096;
bottomWall.y = 10928 - 20;
game.addChild(bottomWall);
var leftWall = LK.getAsset('wallVertical', {
	anchorX: 0.5,
	anchorY: 0.5
});
leftWall.x = 20;
leftWall.y = 5464;
game.addChild(leftWall);
var rightWall = LK.getAsset('wallVertical', {
	anchorX: 0.5,
	anchorY: 0.5
});
rightWall.x = 8192 - 20;
rightWall.y = 5464;
game.addChild(rightWall);
function spawnEnemy() {
	var enemyType = Math.random();
	var enemy;
	if (enemyType < 0.5) {
		enemy = new BasicEnemy();
	} else if (enemyType < 0.75) {
		enemy = new FastEnemy();
	} else if (enemyType < 0.95) {
		enemy = new StrongEnemy();
	} else {
		enemy = new Wizard();
	}
	// Spawn at random edge position
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			enemy.x = Math.random() * 8192;
			enemy.y = -50;
			break;
		case 1:
			// Right
			enemy.x = 8192 + 50;
			enemy.y = Math.random() * 10928;
			break;
		case 2:
			// Bottom
			enemy.x = Math.random() * 8192;
			enemy.y = 10928 + 50;
			break;
		case 3:
			// Left
			enemy.x = -50;
			enemy.y = Math.random() * 10928;
			break;
	}
	enemies.push(enemy);
	game.addChild(enemy);
}
function updateHealthBar() {
	var healthPercent = hero.health / hero.maxHealth;
	healthBar.scaleX = healthPercent;
	if (healthPercent > 0.5) {
		healthBar.tint = 0x4CAF50; // Green
	} else if (healthPercent > 0.25) {
		healthBar.tint = 0xFFC107; // Yellow
	} else {
		healthBar.tint = 0xF44336; // Red
	}
	// Update health text
	healthText.setText(Math.ceil(hero.health) + '/' + hero.maxHealth);
}
function updateLevelBar() {
	var xpPercent = currentXP / xpToNextLevel;
	levelBar.scaleX = xpPercent;
	// Check for level up
	if (currentXP >= xpToNextLevel) {
		playerLevel++;
		currentXP = 0;
		xpToNextLevel = playerLevel * 30; // Increase XP requirement
		levelText.setText('Level ' + playerLevel);
		// Level up effects
		LK.effects.flashScreen(0xFFD700, 500);
		hero.maxHealth += 3;
		hero.health = hero.maxHealth; // Full heal on level up
		// Show upgrade selection
		showUpgradeSelection();
	}
}
function showUpgradeSelection() {
	isSelectingUpgrade = true;
	upgradeSelectionContainer.visible = true;
	// Remove any existing upgrade options
	for (var i = upgradeSelectionContainer.children.length - 1; i >= 0; i--) {
		var child = upgradeSelectionContainer.children[i];
		if (child instanceof UpgradeOption) {
			child.destroy();
		}
	}
	// Randomly select 3 different upgrades
	var selectedUpgrades = [];
	var tempUpgrades = availableUpgrades.slice(); // Copy array
	for (var j = 0; j < 3 && tempUpgrades.length > 0; j++) {
		var randomIndex = Math.floor(Math.random() * tempUpgrades.length);
		selectedUpgrades.push(tempUpgrades[randomIndex]);
		tempUpgrades.splice(randomIndex, 1);
	}
	// Create upgrade option buttons - vertical layout
	for (var k = 0; k < selectedUpgrades.length; k++) {
		var option = new UpgradeOption();
		var upgrade = selectedUpgrades[k];
		option.setUpgrade(upgrade.type, upgrade.title, upgrade.description);
		option.x = 0; // Center horizontally
		option.y = (k - 1) * 300; // Position vertically: -300, 0, 300
		upgradeSelectionContainer.addChild(option);
	}
}
function applyUpgrade(upgradeType) {
	// Mark upgrade as applied
	for (var i = 0; i < availableUpgrades.length; i++) {
		if (availableUpgrades[i].type === upgradeType) {
			availableUpgrades[i].applied = true;
			break;
		}
	}
	switch (upgradeType) {
		case 'health':
			hero.maxHealth += 20;
			hero.health += 20;
			updateHealthBar();
			break;
		case 'damage':
			hero.attackDamage += 10;
			break;
		case 'speed':
			hero.moveSpeed += 1;
			break;
		case 'attackSpeed':
			// Handled in auto-shoot logic
			break;
		case 'bulletSpeed':
			// Increase all future bullet speeds
			Bullet.prototype.baseSpeed = 12; // Default is 8
			break;
		case 'regen':
			hasRegen = true;
			break;
	}
	// Hide upgrade selection
	isSelectingUpgrade = false;
	upgradeSelectionContainer.visible = false;
}
function updateBossHealthBar() {
	// Find if there's a boss enemy alive
	var currentBoss = null;
	for (var i = 0; i < enemies.length; i++) {
		if (enemies[i] instanceof Boss) {
			currentBoss = enemies[i];
			break;
		}
	}
	// Show/hide boss health bar based on boss presence
	if (currentBoss) {
		bossHealthBarBg.visible = true;
		bossHealthBar.visible = true;
		bossHealthText.visible = true;
		// Update boss health bar
		var bossHealthPercent = currentBoss.health / currentBoss.maxHealth;
		bossHealthBar.scaleX = bossHealthPercent * 2; // Scale to match background
		// Update boss health text
		bossHealthText.setText('Boss: ' + Math.ceil(currentBoss.health) + '/' + currentBoss.maxHealth);
	} else {
		bossHealthBarBg.visible = false;
		bossHealthBar.visible = false;
		bossHealthText.visible = false;
	}
}
function startNewWave() {
	currentWave++;
	waveStartTime = Date.now();
	waveEnemyCount = 0;
	bossSpawned = false;
	waveText.setText('Wave ' + currentWave);
	// Wave start effects
	LK.effects.flashScreen(0x00FF00, 800);
	// Increase difficulty each wave
	difficultyLevel = currentWave;
}
function updateWaveTimer() {
	var currentTime = Date.now();
	var timeElapsed = currentTime - waveStartTime;
	var timeRemaining = Math.max(0, waveDuration - timeElapsed);
	var minutes = Math.floor(timeRemaining / 60000);
	var seconds = Math.floor(timeRemaining % 60000 / 1000);
	var timeText = minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
	waveTimer.setText(timeText);
	// Check if wave time is up
	if (timeRemaining <= 0) {
		startNewWave();
	}
}
function updateCamera() {
	// Calculate target camera position (center hero on screen)
	var targetCameraX = -(hero.x - 2048 / 2);
	var targetCameraY = -(hero.y - 2732 / 2);
	// Apply camera bounds to prevent showing outside game world
	var minCameraX = -8192; // Allow some movement beyond left edge
	var maxCameraX = 8192; // Allow some movement beyond right edge
	var minCameraY = -10928; // Allow some movement beyond top edge
	var maxCameraY = 10928; // Allow some movement beyond bottom edge
	targetCameraX = Math.max(minCameraX, Math.min(maxCameraX, targetCameraX));
	targetCameraY = Math.max(minCameraY, Math.min(maxCameraY, targetCameraY));
	if (cameraSmoothing) {
		// Smooth camera following using interpolation
		cameraX += (targetCameraX - cameraX) * cameraFollowSpeed;
		cameraY += (targetCameraY - cameraY) * cameraFollowSpeed;
	} else {
		// Direct camera following
		cameraX = targetCameraX;
		cameraY = targetCameraY;
	}
	// Apply camera position to game container
	game.x = cameraX;
	game.y = cameraY;
	// Update level bar position to follow hero
	levelBarBg.x = hero.x;
	levelBarBg.y = hero.y + 300; // Position below hero
	levelBar.x = levelBarBg.x - levelBarBg.width / 2;
	levelBar.y = levelBarBg.y;
	levelText.x = levelBarBg.x;
	levelText.y = levelBarBg.y - 50;
}
function handleMove(x, y, obj) {
	// Handle analog joystick movement
	if (isJoystickActive) {
		var deltaX = x - joystickStartX;
		var deltaY = y - joystickStartY;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		// Limit joystick range
		if (distance > joystickRadius) {
			deltaX = deltaX / distance * joystickRadius;
			deltaY = deltaY / distance * joystickRadius;
		}
		// Update joystick knob position
		joystickKnob.x = joystickStartX + deltaX;
		joystickKnob.y = joystickStartY + deltaY;
		// Calculate movement values (-1 to 1)
		movementX = deltaX / joystickRadius;
		movementY = deltaY / joystickRadius;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	// Make hero walk to touch position
	hero.walkTo(x, y);
};
game.up = function (x, y, obj) {
	// Deactivate analog joystick
	if (isJoystickActive) {
		isJoystickActive = false;
		joystickBase.visible = false;
		joystickKnob.visible = false;
		movementX = 0;
		movementY = 0;
	}
	attackIndicator.visible = false;
};
game.update = function () {
	// Initialize wave system on first update
	if (waveStartTime === 0) {
		waveStartTime = Date.now();
	}
	// Pause game logic during upgrade selection
	if (isSelectingUpgrade) {
		return;
	}
	// Update wave timer
	updateWaveTimer();
	// Apply regeneration if unlocked
	if (hasRegen && hero.health < hero.maxHealth) {
		var currentTime = LK.ticks;
		if (currentTime - lastRegenTime > 60) {
			// 60 ticks = 1 second
			hero.health = Math.min(hero.health + 1, hero.maxHealth);
			lastRegenTime = currentTime;
			updateHealthBar();
		}
	}
	// Process analog movement
	if (isJoystickActive && (Math.abs(movementX) > 0.1 || Math.abs(movementY) > 0.1)) {
		hero.analogMove(movementX, movementY);
	}
	spawnTimer++;
	// Wave-based enemy spawning
	var maxEnemiesThisWave = baseEnemiesPerWave + (currentWave - 1) * 5;
	var spawnRate = Math.max(60 - currentWave * 3, 15);
	// Only spawn if we haven't reached the wave enemy limit
	if (spawnTimer >= spawnRate && waveEnemyCount < maxEnemiesThisWave) {
		spawnEnemy();
		waveEnemyCount++;
		spawnTimer = 0;
	}
	// Boss spawning for wave 1 and above
	if (currentWave >= 1 && !bossSpawned && waveEnemyCount >= maxEnemiesThisWave / 2) {
		var boss = new Boss();
		// Spawn boss at random edge position
		var side = Math.floor(Math.random() * 4);
		switch (side) {
			case 0:
				// Top
				boss.x = Math.random() * 8192;
				boss.y = -100;
				break;
			case 1:
				// Right
				boss.x = 8192 + 100;
				boss.y = Math.random() * 10928;
				break;
			case 2:
				// Bottom
				boss.x = Math.random() * 8192;
				boss.y = 10928 + 100;
				break;
			case 3:
				// Left
				boss.x = -100;
				boss.y = Math.random() * 10928;
				break;
		}
		enemies.push(boss);
		game.addChild(boss);
		bossSpawned = true;
		// Boss spawn effects
		LK.effects.flashScreen(0xFF0000, 1000);
	}
	// Update weapon to point towards nearest enemy
	var nearestEnemy = null;
	var nearestDistance = Infinity;
	for (var j = 0; j < enemies.length; j++) {
		var tempEnemy = enemies[j];
		var tempDx = hero.x - tempEnemy.x;
		var tempDy = hero.y - tempEnemy.y;
		var tempDistance = Math.sqrt(tempDx * tempDx + tempDy * tempDy);
		if (tempDistance < nearestDistance) {
			nearestEnemy = tempEnemy;
			nearestDistance = tempDistance;
		}
	}
	if (nearestEnemy) {
		hero.updateWeapon(nearestEnemy.x, nearestEnemy.y);
		// Auto-shoot while moving - shoot at nearest enemy every 40 ticks
		var currentTime = LK.ticks;
		var shootCooldown = 80;
		// Check if attack speed upgrade was selected
		for (var u = 0; u < availableUpgrades.length; u++) {
			if (availableUpgrades[u].type === 'attackSpeed' && availableUpgrades[u].applied) {
				shootCooldown = 40; // Faster shooting
				break;
			}
		}
		if (currentTime - lastShootTime > shootCooldown && nearestDistance < 800) {
			hero.shoot(nearestEnemy.x, nearestEnemy.y);
			lastShootTime = currentTime;
		}
	}
	// Check bullet collisions with enemies
	for (var b = bullets.length - 1; b >= 0; b--) {
		var bullet = bullets[b];
		var bulletHit = false;
		for (var e = enemies.length - 1; e >= 0; e--) {
			var enemy = enemies[e];
			if (bullet.intersects(enemy)) {
				// Bullet hits enemy
				enemy.takeDamage(bullet.damage);
				bullet.destroy();
				bullets.splice(b, 1);
				bulletHit = true;
				break;
			}
		}
	}
	// Check lightning bolt collisions with hero
	for (var l = lightningBolts.length - 1; l >= 0; l--) {
		var lightning = lightningBolts[l];
		if (lightning.intersects(hero)) {
			// Lightning hits hero
			hero.takeDamage(lightning.damage);
			LK.effects.flashObject(hero, 0xFFFF00, 300);
			lightning.destroy();
			lightningBolts.splice(l, 1);
		}
	}
	// Check boss bullet collisions with hero
	for (var bb = bossBullets.length - 1; bb >= 0; bb--) {
		var bossBullet = bossBullets[bb];
		if (bossBullet.intersects(hero)) {
			// Boss bullet hits hero
			hero.takeDamage(bossBullet.damage);
			LK.effects.flashObject(hero, 0xFF4500, 300);
			bossBullet.destroy();
			bossBullets.splice(bb, 1);
		}
	}
	// Check collisions and close combat between hero and enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		var dx = hero.x - enemy.x;
		var dy = hero.y - enemy.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// Auto-attack when very close (melee range)
		if (distance < 60 && !enemy.justAttacked) {
			hero.attack(enemy);
			enemy.justAttacked = true;
			// Reset attack flag after short delay
			LK.setTimeout(function () {
				if (enemy && !enemy.destroyed) {
					enemy.justAttacked = false;
				}
			}, 300);
		} else if (hero.intersects(enemy) && !enemy.justHitHero) {
			// Take damage from collision but don't destroy enemy
			hero.takeDamage(enemy.damage);
			enemy.justHitHero = true;
			// Reset hit flag after short delay to prevent rapid damage
			LK.setTimeout(function () {
				if (enemy && !enemy.destroyed) {
					enemy.justHitHero = false;
				}
			}, 1000); // 1 second cooldown between hits
		}
		// Remove enemies that are too far off screen
		if (enemy.x < -200 || enemy.x > 8392 || enemy.y < -200 || enemy.y > 11128) {
			enemy.destroy();
			enemies.splice(i, 1);
		}
	}
	// Update health bar
	updateHealthBar();
	// Update level bar
	updateLevelBar();
	// Update boss health bar
	updateBossHealthBar();
	// Update camera to follow hero
	updateCamera();
	scoreTxt.setText(LK.getScore());
};

===================================================================
--- original.js
+++ change.js
@@ -339,8 +339,35 @@
 	self.takeDamage = function (damage) {
 		self.health -= damage;
 		LK.effects.flashObject(self, 0xFFFFFF, 200);
 		if (self.health <= 0) {
+			// Create explosion effect
+			LK.effects.flashScreen(0xFFA500, 300); // Orange flash
+			// Deal damage to nearby enemies
+			for (var j = 0; j < enemies.length; j++) {
+				var otherEnemy = enemies[j];
+				if (otherEnemy !== self) {
+					var explodeDx = otherEnemy.x - self.x;
+					var explodeDy = otherEnemy.y - self.y;
+					var explodeDistance = Math.sqrt(explodeDx * explodeDx + explodeDy * explodeDy);
+					// Damage enemies within 150 pixel radius
+					if (explodeDistance < 150) {
+						otherEnemy.takeDamage(20);
+						// Push enemies away from explosion
+						if (explodeDistance > 0) {
+							otherEnemy.x += explodeDx / explodeDistance * 50;
+							otherEnemy.y += explodeDy / explodeDistance * 50;
+						}
+					}
+				}
+			}
+			// Check if hero is in explosion radius
+			var heroDx = hero.x - self.x;
+			var heroDy = hero.y - self.y;
+			var heroDistance = Math.sqrt(heroDx * heroDx + heroDy * heroDy);
+			if (heroDistance < 150) {
+				hero.takeDamage(15);
+			}
 			// Drop XP orb
 			var xpOrb = new XPOrb();
 			xpOrb.x = self.x;
 			xpOrb.y = self.y;