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

/**** 
* Classes
****/ 
var Boss = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0,
		tint: 0xFFD700,
		// Gold tint for boss
		scaleX: 2.0,
		// Much larger size
		scaleY: 2.0
	});
	self.health = 300; // Very high health
	self.maxHealth = 300;
	self.damage = 50; // High damage
	self.moveSpeed = -1.5; // Moderate speed
	self.lastDamageTime = 0;
	self.attackTimer = 0;
	self.specialAttackTimer = 0;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 200);
		if (self.health <= 0) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
			LK.setScore(LK.getScore() + 500); // Huge points for boss
			scoreTxt.setText(LK.getScore());
			levelComplete = true;
			LK.showYouWin(); // Player wins when boss is defeated
		}
	};
	self.update = function () {
		if (player) {
			// More intelligent movement
			var moveX = player.x - self.x;
			var moveY = player.y - self.y;
			var distance = Math.sqrt(moveX * moveX + moveY * moveY);
			if (distance > 0) {
				moveX = moveX / distance * Math.abs(self.moveSpeed);
				moveY = moveY / distance * Math.abs(self.moveSpeed);
			}
			self.x += moveX;
			self.y += moveY;
			// Boss special attacks
			self.attackTimer++;
			self.specialAttackTimer++;
			// Regular attack every 2 seconds
			if (self.attackTimer >= 120) {
				self.attackTimer = 0;
				// Boss ranged attack or area damage could be added here
			}
			// Special attack every 5 seconds
			if (self.specialAttackTimer >= 300) {
				self.specialAttackTimer = 0;
				// Boss special ability - heal or speed boost
				tween(self, {
					scaleX: 2.2,
					scaleY: 2.2,
					tint: 0xFF0000
				}, {
					duration: 500,
					easing: tween.easeOut
				});
				tween(self, {
					scaleX: 2.0,
					scaleY: 2.0,
					tint: 0xFFD700
				}, {
					duration: 500,
					easing: tween.easeIn
				});
			}
		}
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.health = 50;
	self.damage = 20;
	self.moveSpeed = -2;
	self.lastDamageTime = 0;
	self.attackCooldown = 0;
	self.attackRange = 100;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 100);
		if (self.health <= 0) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
			LK.setScore(LK.getScore() + 10);
			scoreTxt.setText(LK.getScore());
			// Spawn a new enemy when this one is defeated
			spawnEnemy();
		}
	};
	self.update = function () {
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
		if (player) {
			// Simple movement towards player
			var moveX = player.x - self.x;
			var moveY = player.y - self.y;
			// Normalize movement speed
			var distance = Math.sqrt(moveX * moveX + moveY * moveY);
			// Attack if close enough and cooldown is ready
			if (distance <= 150 && self.attackTimer <= 0) {
				self.attackTimer = 120; // 2 second cooldown for close attacks
				player.takeDamage(self.damage);
				// Flash boss to show attack
				LK.effects.flashObject(self, 0xFF0000, 300);
			}
			if (distance > 0) {
				moveX = moveX / distance * Math.abs(self.moveSpeed);
				moveY = moveY / distance * Math.abs(self.moveSpeed);
			}
			self.x += moveX;
			self.y += moveY;
		} else {
			self.x += self.moveSpeed;
		}
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var FastEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0,
		tint: 0x00FF00 // Green tint to distinguish from regular enemy
	});
	self.health = 25; // Lower health
	self.damage = 15; // Lower damage
	self.moveSpeed = -4; // Faster movement
	self.lastDamageTime = 0;
	self.attackCooldown = 0;
	self.attackRange = 80;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 100);
		if (self.health <= 0) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
			LK.setScore(LK.getScore() + 15); // More points for faster enemy
			scoreTxt.setText(LK.getScore());
			// Spawn a new enemy when this one is defeated
			spawnEnemy();
		}
	};
	self.update = function () {
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
		if (player) {
			// Simple movement towards player
			var moveX = player.x - self.x;
			var moveY = player.y - self.y;
			// Normalize movement speed
			var distance = Math.sqrt(moveX * moveX + moveY * moveY);
			// Attack if close enough and cooldown is ready
			if (distance <= self.attackRange && self.attackCooldown <= 0) {
				self.attackCooldown = 60; // 1 second cooldown (faster than regular enemy)
				player.takeDamage(self.damage);
				// Flash enemy to show attack
				LK.effects.flashObject(self, 0x00FF00, 200);
			}
			if (distance > 0) {
				moveX = moveX / distance * Math.abs(self.moveSpeed);
				moveY = moveY / distance * Math.abs(self.moveSpeed);
			}
			self.x += moveX;
			self.y += moveY;
		} else {
			self.x += self.moveSpeed;
		}
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var HealthPickup = Container.expand(function () {
	var self = Container.call(this);
	self.isLarge = false;
	self.healAmount = 0;
	self.init = function (isLarge) {
		self.isLarge = isLarge;
		if (isLarge) {
			var graphics = self.attachAsset('largeHealthPickup', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			self.healAmount = 100; // Full heal
		} else {
			var graphics = self.attachAsset('smallHealthPickup', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			self.healAmount = 50; // Half heal
		}
	};
	self.update = function () {
		// Simple floating animation
		self.y += Math.sin(LK.ticks * 0.1) * 0.5;
	};
	return self;
});
var HeavyAttack = Container.expand(function () {
	var self = Container.call(this);
	var attackGraphics = self.attachAsset('heavyAttack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.damage = 50;
	self.lifetime = 25; // Slightly longer than quick attack
	self.hasHit = false;
	self.update = function () {
		self.lifetime--;
		if (self.lifetime <= 0) {
			self.destroy();
			for (var i = attacks.length - 1; i >= 0; i--) {
				if (attacks[i] === self) {
					attacks.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.health = 100;
	self.maxHealth = 100;
	self.moveSpeed = 3;
	self.isAttacking = false;
	self.attackCooldown = 0;
	self.specialCooldown = 0;
	self.maxSpecialCooldown = 180; // 3 seconds at 60fps
	// Energy system for sword attacks
	self.maxEnergy = 100;
	self.energy = 100;
	self.energyCostPerAttack = 25; // Cost 25 energy per sword attack
	self.energyRechargeDelay = 180; // 3 seconds before recharge starts
	self.energyRechargeTimer = 0; // Timer for recharge delay
	self.energyRechargeRate = 2; // Energy points per frame when recharging
	// Combo system properties
	self.punchCombo = 0; // 0, 1, 2 for combo stages
	self.kickCombo = 0; // 0, 1, 2 for combo stages
	self.punchComboTimer = 0; // Reset timer for punch combo
	self.kickComboTimer = 0; // Reset timer for kick combo
	self.comboResetTime = 60; // 1 second at 60fps
	// Jump and gravity properties
	self.velocityY = 0;
	self.gravity = 0.8;
	self.jumpPower = -18;
	self.groundY = 1366; // Ground level
	self.isOnGround = true;
	// Smooth movement properties
	self.velocityX = 0;
	self.acceleration = 0.5;
	self.deceleration = 0.8;
	self.maxSpeed = 5;
	self.runMultiplier = 1.8;
	self.isRunning = false;
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.showGameOver();
		} else {
			LK.effects.flashObject(self, 0xFF0000, 300);
		}
	};
	self.quickAttack = function () {
		if (self.attackCooldown > 0 || self.isAttacking) return;
		self.isAttacking = true;
		// Reset combo timer
		self.punchComboTimer = self.comboResetTime;
		var attack;
		var animationDuration;
		var cooldownTime;
		// Execute combo based on current stage
		if (self.punchCombo === 0) {
			// First hit - quick punch
			self.attackCooldown = 15; // Quick cooldown
			animationDuration = 150;
			// Quick punch animation
			tween(playerGraphics, {
				x: 10
			}, {
				duration: 75,
				easing: tween.easeOut
			});
			tween(playerGraphics, {
				x: 0
			}, {
				duration: 75,
				easing: tween.easeIn
			});
			attack = new QuickAttack();
			LK.getSound('slash').play();
		} else if (self.punchCombo === 1) {
			// Second hit - spinning punch
			self.attackCooldown = 25; // Medium cooldown
			animationDuration = 300;
			// Spinning animation
			tween(playerGraphics, {
				rotation: Math.PI * 2,
				scaleX: 1.1,
				scaleY: 1.1
			}, {
				duration: 200,
				easing: tween.easeOut
			});
			tween(playerGraphics, {
				rotation: 0,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 100,
				easing: tween.easeIn
			});
			attack = new SpinAttack();
			LK.getSound('hit').play();
		} else {
			// Third hit - heavy punch
			self.attackCooldown = 40; // Long cooldown
			animationDuration = 500;
			// Heavy punch animation
			tween(playerGraphics, {
				x: 25,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 200,
				easing: tween.easeOut
			});
			tween(playerGraphics, {
				x: 0,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			attack = new HeavyAttack();
			LK.getSound('special').play();
		}
		// Find closest enemy to determine attack direction
		var closestEnemy = null;
		var closestDistance = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2));
			if (distance < closestDistance) {
				closestDistance = distance;
				closestEnemy = enemy;
			}
		}
		if (closestEnemy) {
			if (closestEnemy.x < self.x) {
				// Enemy is to the left, attack left
				attack.x = self.x - 60;
			} else {
				// Enemy is to the right, attack right
				attack.x = self.x + 60;
			}
		} else {
			attack.x = self.x + 60;
		}
		attack.y = self.y - 40;
		attacks.push(attack);
		game.addChild(attack);
		// Advance combo
		self.punchCombo = (self.punchCombo + 1) % 3;
		LK.setTimeout(function () {
			self.isAttacking = false;
		}, animationDuration);
	};
	self.heavyAttack = function () {
		if (self.attackCooldown > 0 || self.isAttacking) return;
		self.isAttacking = true;
		// Reset combo timer
		self.kickComboTimer = self.comboResetTime;
		var attack;
		var animationDuration;
		var cooldownTime;
		// Execute combo based on current stage
		if (self.kickCombo === 0) {
			// First hit - quick kick
			self.attackCooldown = 20; // Quick cooldown
			animationDuration = 200;
			// Quick kick animation
			tween(playerGraphics, {
				rotation: 0.1
			}, {
				duration: 100,
				easing: tween.easeOut
			});
			tween(playerGraphics, {
				rotation: 0
			}, {
				duration: 100,
				easing: tween.easeIn
			});
			attack = new QuickAttack();
			LK.getSound('slash').play();
		} else if (self.kickCombo === 1) {
			// Second hit - spinning kick
			self.attackCooldown = 35; // Medium cooldown
			animationDuration = 400;
			// Spinning kick animation
			tween(playerGraphics, {
				rotation: Math.PI * 2,
				y: playerGraphics.y - 20
			}, {
				duration: 250,
				easing: tween.easeOut
			});
			tween(playerGraphics, {
				rotation: 0,
				y: playerGraphics.y
			}, {
				duration: 150,
				easing: tween.easeIn
			});
			attack = new SpinAttack();
			LK.getSound('hit').play();
		} else {
			// Third hit - heavy kick
			self.attackCooldown = 50; // Long cooldown
			animationDuration = 600;
			// Heavy kick animation
			tween(playerGraphics, {
				rotation: 0.3,
				scaleX: 1.2,
				scaleY: 1.2
			}, {
				duration: 250,
				easing: tween.easeOut
			});
			tween(playerGraphics, {
				rotation: 0,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 350,
				easing: tween.easeIn
			});
			attack = new HeavyAttack();
			LK.getSound('special').play();
		}
		// Find closest enemy to determine attack direction
		var closestEnemy = null;
		var closestDistance = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2));
			if (distance < closestDistance) {
				closestDistance = distance;
				closestEnemy = enemy;
			}
		}
		if (closestEnemy) {
			if (closestEnemy.x < self.x) {
				// Enemy is to the left, attack left
				attack.x = self.x - 75;
			} else {
				// Enemy is to the right, attack right
				attack.x = self.x + 75;
			}
		} else {
			attack.x = self.x + 75;
		}
		attack.y = self.y - 50;
		attacks.push(attack);
		game.addChild(attack);
		// Advance combo
		self.kickCombo = (self.kickCombo + 1) % 3;
		LK.setTimeout(function () {
			self.isAttacking = false;
		}, animationDuration);
	};
	self.specialAttack = function () {
		if (self.specialCooldown > 0 || self.isAttacking || self.energy < self.energyCostPerAttack) return;
		self.isAttacking = true;
		self.specialCooldown = self.maxSpecialCooldown;
		// Consume energy for sword attack
		self.energy -= self.energyCostPerAttack;
		self.energyRechargeTimer = self.energyRechargeDelay; // Reset recharge timer
		// Sword swing animation - dramatic sweep
		tween(playerGraphics, {
			rotation: -0.5,
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200,
			easing: tween.easeOut
		});
		tween(playerGraphics, {
			rotation: 0.5
		}, {
			duration: 200,
			easing: tween.easeInOut
		});
		tween(playerGraphics, {
			rotation: 0,
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 200,
			easing: tween.easeIn
		});
		var attack = new SpecialAttack();
		// Find closest enemy to determine attack direction
		var closestEnemy = null;
		var closestDistance = Infinity;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2));
			if (distance < closestDistance) {
				closestDistance = distance;
				closestEnemy = enemy;
			}
		}
		if (closestEnemy) {
			if (closestEnemy.x < self.x) {
				// Enemy is to the left, attack left
				attack.x = self.x - 100;
				attack.flipLeft = true;
			} else {
				// Enemy is to the right, attack right
				attack.x = self.x + 100;
				attack.flipLeft = false;
			}
		} else {
			attack.x = self.x + 100;
			attack.flipLeft = false;
		}
		attack.y = self.y - 60;
		attacks.push(attack);
		game.addChild(attack);
		LK.getSound('special').play();
		LK.setTimeout(function () {
			self.isAttacking = false;
		}, 600);
	};
	self.moveUp = function () {
		self.y -= self.moveSpeed * 3;
		if (self.y < 120) self.y = 120;
	};
	self.moveDown = function () {
		self.y += self.moveSpeed * 3;
		if (self.y > 2612) self.y = 2612;
	};
	self.moveLeft = function () {
		self.x -= self.moveSpeed * 3;
		if (self.x < 40) self.x = 40;
	};
	self.moveRight = function () {
		self.x += self.moveSpeed * 3;
		if (self.x > 2008) self.x = 2008;
	};
	self.jump = function () {
		if (self.isOnGround) {
			self.velocityY = self.jumpPower;
			self.isOnGround = false;
		}
	};
	self.update = function () {
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
		if (self.specialCooldown > 0) {
			self.specialCooldown--;
		}
		// Update energy system
		if (self.energyRechargeTimer > 0) {
			self.energyRechargeTimer--;
		} else if (self.energy < self.maxEnergy) {
			// Recharge energy after delay
			self.energy += self.energyRechargeRate;
			if (self.energy > self.maxEnergy) {
				self.energy = self.maxEnergy;
			}
		}
		// Update combo timers
		if (self.punchComboTimer > 0) {
			self.punchComboTimer--;
			if (self.punchComboTimer === 0) {
				self.punchCombo = 0; // Reset punch combo
			}
		}
		if (self.kickComboTimer > 0) {
			self.kickComboTimer--;
			if (self.kickComboTimer === 0) {
				self.kickCombo = 0; // Reset kick combo
			}
		}
		// Apply gravity with more realistic physics
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		// Check ground collision
		if (self.y >= self.groundY) {
			self.y = self.groundY;
			self.velocityY = 0;
			self.isOnGround = true;
		}
		// Horizontal movement with acceleration/deceleration
		var targetSpeed = 0;
		self.isRunning = false;
		if (isLeftPressed) {
			targetSpeed = -self.maxSpeed;
			if (leftPressTime > 30) {
				// Running after half second
				self.isRunning = true;
				targetSpeed *= self.runMultiplier;
			}
		}
		if (isRightPressed) {
			targetSpeed = self.maxSpeed;
			if (rightPressTime > 30) {
				// Running after half second
				self.isRunning = true;
				targetSpeed *= self.runMultiplier;
			}
		}
		// Apply acceleration or deceleration
		if (targetSpeed !== 0) {
			// Accelerate towards target speed
			if (self.velocityX < targetSpeed) {
				self.velocityX += self.acceleration;
				if (self.velocityX > targetSpeed) self.velocityX = targetSpeed;
			} else if (self.velocityX > targetSpeed) {
				self.velocityX -= self.acceleration;
				if (self.velocityX < targetSpeed) self.velocityX = targetSpeed;
			}
		} else {
			// Decelerate to stop
			if (self.velocityX > 0) {
				self.velocityX -= self.deceleration;
				if (self.velocityX < 0) self.velocityX = 0;
			} else if (self.velocityX < 0) {
				self.velocityX += self.deceleration;
				if (self.velocityX > 0) self.velocityX = 0;
			}
		}
		// Apply horizontal movement
		self.x += self.velocityX;
		// Boundary checks
		if (self.x < 40) {
			self.x = 40;
			self.velocityX = 0;
		}
		if (self.x > 2008) {
			self.x = 2008;
			self.velocityX = 0;
		}
		// Jump when up is pressed
		if (isUpPressed) {
			self.jump();
		}
	};
	return self;
});
var QuickAttack = Container.expand(function () {
	var self = Container.call(this);
	var attackGraphics = self.attachAsset('quickAttack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.damage = 25;
	self.lifetime = 15; // Quarter second at 60fps
	self.hasHit = false;
	self.update = function () {
		self.lifetime--;
		if (self.lifetime <= 0) {
			self.destroy();
			for (var i = attacks.length - 1; i >= 0; i--) {
				if (attacks[i] === self) {
					attacks.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var SpecialAttack = Container.expand(function () {
	var self = Container.call(this);
	self.attackGraphics = null;
	self.flipLeft = false;
	self.damage = 100;
	self.lifetime = 35; // Longest lasting attack
	self.hasHit = false;
	self.setDirection = function (flipLeft) {
		if (self.attackGraphics) {
			self.removeChild(self.attackGraphics);
		}
		if (flipLeft) {
			self.attackGraphics = self.attachAsset('specialAttack', {
				anchorX: 0.5,
				anchorY: 0.5,
				flipX: 0
			});
		} else {
			self.attackGraphics = self.attachAsset('specialAttack', {
				anchorX: 0.5,
				anchorY: 0.5,
				flipX: 1
			});
		}
	};
	// Initialize with default direction (right)
	self.setDirection(false);
	self.update = function () {
		// Update direction if flipLeft property changes
		if (self.flipLeft !== undefined && self.attackGraphics) {
			self.setDirection(self.flipLeft);
			self.flipLeft = undefined; // Reset to avoid repeated updates
		}
		self.lifetime--;
		if (self.lifetime <= 0) {
			self.destroy();
			for (var i = attacks.length - 1; i >= 0; i--) {
				if (attacks[i] === self) {
					attacks.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var SpinAttack = Container.expand(function () {
	var self = Container.call(this);
	var attackGraphics = self.attachAsset('specialAttack', {
		anchorX: 0.5,
		anchorY: 0.5,
		tint: 0x00FFFF // Cyan tint for spin attack
	});
	self.damage = 35; // Medium damage
	self.lifetime = 20; // Medium duration
	self.hasHit = false;
	self.update = function () {
		self.lifetime--;
		// Spinning animation
		attackGraphics.rotation += 0.3;
		if (self.lifetime <= 0) {
			self.destroy();
			for (var i = attacks.length - 1; i >= 0; i--) {
				if (attacks[i] === self) {
					attacks.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var TankEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0,
		tint: 0xFF0000,
		// Red tint to distinguish from regular enemy
		scaleX: 1.3,
		// Larger size
		scaleY: 1.3
	});
	self.health = 100; // Higher health
	self.damage = 35; // Higher damage
	self.moveSpeed = -1; // Slower movement
	self.lastDamageTime = 0;
	self.attackCooldown = 0;
	self.attackRange = 120;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xFFFFFF, 100);
		if (self.health <= 0) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
			LK.setScore(LK.getScore() + 25); // More points for tough enemy
			scoreTxt.setText(LK.getScore());
			// Spawn a new enemy when this one is defeated
			spawnEnemy();
		}
	};
	self.update = function () {
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
		if (player) {
			// Simple movement towards player
			var moveX = player.x - self.x;
			var moveY = player.y - self.y;
			// Normalize movement speed
			var distance = Math.sqrt(moveX * moveX + moveY * moveY);
			// Attack if close enough and cooldown is ready
			if (distance <= self.attackRange && self.attackCooldown <= 0) {
				self.attackCooldown = 120; // 2 second cooldown (slower but more powerful)
				player.takeDamage(self.damage);
				// Flash enemy to show attack
				LK.effects.flashObject(self, 0xFF0000, 300);
			}
			if (distance > 0) {
				moveX = moveX / distance * Math.abs(self.moveSpeed);
				moveY = moveY / distance * Math.abs(self.moveSpeed);
			}
			self.x += moveX;
			self.y += moveY;
		} else {
			self.x += self.moveSpeed;
		}
		if (self.x < -100 || self.x > 2148 || self.y < -100 || self.y > 2832) {
			self.destroy();
			for (var i = enemies.length - 1; i >= 0; i--) {
				if (enemies[i] === self) {
					enemies.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F4F4F
});

/**** 
* Game Code
****/ 
// Create background - only bottom background covering full screen
var bottomBackground = LK.getAsset('backgroundBottom', {
	width: 2048,
	height: 2732,
	// Full screen height
	color: 0x228B22,
	shape: 'box',
	x: 0,
	y: 0
});
game.addChild(bottomBackground);
var player;
var enemies = [];
var attacks = [];
var spawnTimer = 0;
var gameSpeed = 1;
var isUpPressed = false;
var isDownPressed = false;
var isLeftPressed = false;
var isRightPressed = false;
var leftPressTime = 0;
var rightPressTime = 0;
var healthPickups = [];
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreTxt);
scoreTxt.x = -50;
scoreTxt.y = 50;
var healthBarBg = LK.getAsset('healthBarBg', {
	width: 300,
	height: 30,
	color: 0xFF0000,
	shape: 'box',
	x: 150,
	y: 80
});
LK.gui.topLeft.addChild(healthBarBg);
var healthBar = LK.getAsset('healthBar', {
	width: 300,
	height: 30,
	color: 0x00FF00,
	shape: 'box',
	x: 150,
	y: 80
});
LK.gui.topLeft.addChild(healthBar);
var healthTxt = new Text2('Health', {
	size: 40,
	fill: 0xFFFFFF
});
healthTxt.anchor.set(0, 0);
healthTxt.x = 150;
healthTxt.y = 50;
LK.gui.topLeft.addChild(healthTxt);
var specialCooldownTxt = new Text2('Special Ready', {
	size: 40,
	fill: 0x9932CC
});
specialCooldownTxt.anchor.set(0, 0);
specialCooldownTxt.x = 50;
specialCooldownTxt.y = 170;
LK.gui.topLeft.addChild(specialCooldownTxt);
// Energy bar for sword attacks
var energyBarBg = LK.getAsset('healthBarBg', {
	width: 300,
	height: 25,
	color: 0x4B0082,
	shape: 'box',
	x: 150,
	y: 130
});
LK.gui.topLeft.addChild(energyBarBg);
var energyBar = LK.getAsset('healthBar', {
	width: 300,
	height: 25,
	color: 0x9932CC,
	shape: 'box',
	x: 150,
	y: 130
});
LK.gui.topLeft.addChild(energyBar);
var energyTxt = new Text2('Energy', {
	size: 35,
	fill: 0x9932CC
});
energyTxt.anchor.set(0, 0);
energyTxt.x = 150;
energyTxt.y = 100;
LK.gui.topLeft.addChild(energyTxt);
// Boss health bar (initially hidden)
var bossHealthBarBg = LK.getAsset('healthBarBg', {
	width: 600,
	height: 40,
	color: 0xFF0000,
	shape: 'box',
	x: 1024,
	y: 150
});
bossHealthBarBg.anchor.set(0.5, 0);
bossHealthBarBg.visible = false;
game.addChild(bossHealthBarBg);
var bossHealthBar = LK.getAsset('healthBar', {
	width: 600,
	height: 40,
	color: 0xFFD700,
	shape: 'box',
	x: 1024,
	y: 150
});
bossHealthBar.anchor.set(0.5, 0);
bossHealthBar.visible = false;
game.addChild(bossHealthBar);
var bossHealthTxt = new Text2('BOSS', {
	size: 60,
	fill: 0xFFD700
});
bossHealthTxt.anchor.set(0.5, 1);
bossHealthTxt.x = 1024;
bossHealthTxt.y = 140;
bossHealthTxt.visible = false;
game.addChild(bossHealthTxt);
// Movement arrow buttons (bottom left)
var upBtn = new Text2('↑', {
	size: 200,
	fill: 0xFFFFFF
});
upBtn.anchor.set(0.5, 1);
LK.gui.bottomLeft.addChild(upBtn);
upBtn.x = 120;
upBtn.y = -180;
var downBtn = new Text2('↓', {
	size: 200,
	fill: 0xFFFFFF
});
downBtn.anchor.set(0.5, 1);
LK.gui.bottomLeft.addChild(downBtn);
downBtn.x = 120;
downBtn.y = -50;
var leftBtn = new Text2('←', {
	size: 200,
	fill: 0xFFFFFF
});
leftBtn.anchor.set(0.5, 1);
LK.gui.bottomLeft.addChild(leftBtn);
leftBtn.x = 50;
leftBtn.y = -115;
var rightBtn = new Text2('→', {
	size: 200,
	fill: 0xFFFFFF
});
rightBtn.anchor.set(0.5, 1);
LK.gui.bottomLeft.addChild(rightBtn);
rightBtn.x = 190;
rightBtn.y = -115;
// Attack buttons (bottom right)
var quickBtn = new Text2('Golpe', {
	size: 80,
	fill: 0xFFD700
});
quickBtn.anchor.set(1, 1);
LK.gui.bottomRight.addChild(quickBtn);
quickBtn.x = -50;
quickBtn.y = -50;
var heavyBtn = new Text2('Patada', {
	size: 80,
	fill: 0xFF6347
});
heavyBtn.anchor.set(1, 1);
LK.gui.bottomRight.addChild(heavyBtn);
heavyBtn.x = -50;
heavyBtn.y = -150;
var specialBtn = new Text2('Espada', {
	size: 80,
	fill: 0x9932CC
});
specialBtn.anchor.set(1, 1);
LK.gui.bottomRight.addChild(specialBtn);
specialBtn.x = -50;
specialBtn.y = -250;
// Level progression variables
var levelDistance = 0;
var maxLevelDistance = 1000; // Distance to complete level
var bossSpawned = false;
var levelComplete = false;
// Initialize player
player = game.addChild(new Player());
player.x = 1024; // Center horizontally (2048/2)
player.y = 1366; // Center vertically (2732/2)
// Level progress UI
var progressTxt = new Text2('Progress: 0%', {
	size: 50,
	fill: 0xFFFFFF
});
progressTxt.anchor.set(0.5, 0);
progressTxt.x = 0;
progressTxt.y = 50;
LK.gui.top.addChild(progressTxt);
// Button event handlers
quickBtn.down = function (x, y, obj) {
	if (player) {
		player.quickAttack();
	}
};
heavyBtn.down = function (x, y, obj) {
	if (player) {
		player.heavyAttack();
	}
};
specialBtn.down = function (x, y, obj) {
	if (player) {
		player.specialAttack();
	}
};
// Movement button event handlers - single press movement
upBtn.down = function (x, y, obj) {
	isUpPressed = true;
};
downBtn.down = function (x, y, obj) {
	if (player) {
		var newY = player.y + player.moveSpeed * 10;
		if (newY > 2612) newY = 2612;
		player.y = newY;
	}
};
leftBtn.down = function (x, y, obj) {
	isLeftPressed = true;
	leftPressTime = 0;
};
rightBtn.down = function (x, y, obj) {
	isRightPressed = true;
	rightPressTime = 0;
};
// Spawn enemies only
function spawnEnemy() {
	// Don't spawn regular enemies if boss is spawned or level is complete
	if (bossSpawned || levelComplete) return;
	// Randomly choose enemy type
	var enemyType = Math.random();
	var enemy;
	if (enemyType < 0.5) {
		enemy = new Enemy(); // Regular enemy - 50% chance
	} else if (enemyType < 0.8) {
		enemy = new FastEnemy(); // Fast enemy - 30% chance
	} else {
		enemy = new TankEnemy(); // Tank enemy - 20% chance
	}
	// Spawn enemy from right side
	if (Math.random() < 0.8) {
		enemy.x = 2048 + 100;
		enemy.y = 1366 - Math.random() * 600 + 300; // Center area spawn
		// Start enemy invisible and fade in gradually
		enemy.alpha = 0;
		tween(enemy, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeIn
		});
		enemies.push(enemy);
		game.addChild(enemy);
	} else {
		// Spawn enemy from left side
		enemy.x = -100;
		enemy.y = 1366 - Math.random() * 600 + 300; // Center area spawn
		enemy.moveSpeed = Math.abs(enemy.moveSpeed); // Make moveSpeed positive for left-to-right movement
		// Start enemy invisible and fade in gradually
		enemy.alpha = 0;
		tween(enemy, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeIn
		});
		enemies.push(enemy);
		game.addChild(enemy);
	}
}
// Spawn initial enemies at game start
function spawnInitialEnemies() {
	for (var i = 0; i < 2; i++) {
		spawnEnemy();
	}
}
// Call initial enemy spawn
spawnInitialEnemies();
function spawnBoss() {
	if (bossSpawned) return;
	bossSpawned = true;
	var boss = new Boss();
	boss.x = 2048 + 200; // Spawn from right side
	boss.y = 1366; // Center vertically
	boss.alpha = 0;
	// Dramatic boss entrance
	tween(boss, {
		alpha: 1,
		x: 1800
	}, {
		duration: 2000,
		easing: tween.easeOut
	});
	// Show boss health bar
	bossHealthBarBg.visible = true;
	bossHealthBar.visible = true;
	bossHealthTxt.visible = true;
	enemies.push(boss);
	game.addChild(boss);
}
game.update = function () {
	// Update press time tracking for running
	if (isLeftPressed) leftPressTime++;
	if (isRightPressed) rightPressTime++;
	// Update game speed over time
	gameSpeed += 0.001;
	// Update level progression
	if (!levelComplete) {
		levelDistance += gameSpeed;
		var progressPercent = Math.min(100, levelDistance / maxLevelDistance * 100);
		progressTxt.setText('Progress: ' + Math.floor(progressPercent) + '%');
		// Spawn boss after 2 minutes (7200 ticks at 60fps)
		if (LK.ticks >= 7200 && !bossSpawned) {
			spawnBoss();
		}
	}
	// Enemy spawning is now handled when enemies are defeated (see Enemy class takeDamage method)
	// Update UI
	if (player) {
		// Update health bar
		var healthPercent = player.health / player.maxHealth;
		healthBar.width = 300 * healthPercent;
		healthBar.tint = healthPercent > 0.5 ? 0x00FF00 : healthPercent > 0.25 ? 0xFFFF00 : 0xFF0000;
		// Update energy bar
		var energyPercent = player.energy / player.maxEnergy;
		energyBar.width = 300 * energyPercent;
		energyBar.tint = energyPercent > 0.6 ? 0x9932CC : energyPercent > 0.3 ? 0xFFFF00 : 0xFF0000;
		if (player.specialCooldown > 0) {
			specialCooldownTxt.setText('Special: ' + Math.ceil(player.specialCooldown / 60) + 's');
		} else if (player.energy < player.energyCostPerAttack) {
			specialCooldownTxt.setText('Low Energy');
		} else {
			specialCooldownTxt.setText('Special Ready');
		}
		// Check if health is zero for game over
		if (player.health <= 0) {
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.showGameOver();
		}
	}
	// Update boss health bar
	if (bossSpawned && enemies.length > 0) {
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i].maxHealth && enemies[i].maxHealth === 300) {
				// Boss detection
				var boss = enemies[i];
				var bossHealthPercent = boss.health / boss.maxHealth;
				bossHealthBar.width = 600 * bossHealthPercent;
				bossHealthBar.tint = bossHealthPercent > 0.5 ? 0xFFD700 : bossHealthPercent > 0.25 ? 0xFFFF00 : 0xFF0000;
				break;
			}
		}
	}
	// Enemy attacks are now handled in their individual update methods
	// Spawn health pickups when player health is low
	if (player && player.health < 30 && Math.random() < 0.002) {
		var isLarge = Math.random() < 0.3; // 30% chance for large pickup
		var pickup = new HealthPickup();
		pickup.init(isLarge);
		pickup.x = 200 + Math.random() * 1600;
		pickup.y = 200 + Math.random() * 2200;
		healthPickups.push(pickup);
		game.addChild(pickup);
	}
	// Check collisions between player and health pickups
	for (var i = healthPickups.length - 1; i >= 0; i--) {
		var pickup = healthPickups[i];
		if (player && player.intersects(pickup)) {
			if (pickup.isLarge) {
				player.health = player.maxHealth; // Full heal
			} else {
				player.health = Math.min(player.maxHealth, player.health + 50); // Half heal
			}
			pickup.destroy();
			healthPickups.splice(i, 1);
		}
	}
	// Check collisions between attacks and enemies
	for (var i = attacks.length - 1; i >= 0; i--) {
		var attack = attacks[i];
		if (attack.hasHit) continue;
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (attack.intersects(enemy)) {
				enemy.takeDamage(attack.damage);
				attack.hasHit = true;
				// Special visual effect for sword attacks
				if (attack.damage >= 100) {
					LK.effects.flashObject(enemy, 0x9932CC, 500);
					tween(enemy, {
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 200,
						easing: tween.easeOut
					});
					tween(enemy, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}
				break;
			}
		}
	}
	// Score is only updated when enemies are defeated
};
leftBtn.up = function (x, y, obj) {
	isLeftPressed = false;
	leftPressTime = 0;
};
rightBtn.up = function (x, y, obj) {
	isRightPressed = false;
	rightPressTime = 0;
};
upBtn.up = function (x, y, obj) {
	isUpPressed = false;
};

===================================================================
--- original.js
+++ change.js
@@ -282,8 +282,15 @@
 	self.isAttacking = false;
 	self.attackCooldown = 0;
 	self.specialCooldown = 0;
 	self.maxSpecialCooldown = 180; // 3 seconds at 60fps
+	// Energy system for sword attacks
+	self.maxEnergy = 100;
+	self.energy = 100;
+	self.energyCostPerAttack = 25; // Cost 25 energy per sword attack
+	self.energyRechargeDelay = 180; // 3 seconds before recharge starts
+	self.energyRechargeTimer = 0; // Timer for recharge delay
+	self.energyRechargeRate = 2; // Energy points per frame when recharging
 	// Combo system properties
 	self.punchCombo = 0; // 0, 1, 2 for combo stages
 	self.kickCombo = 0; // 0, 1, 2 for combo stages
 	self.punchComboTimer = 0; // Reset timer for punch combo
@@ -522,11 +529,14 @@
 			self.isAttacking = false;
 		}, animationDuration);
 	};
 	self.specialAttack = function () {
-		if (self.specialCooldown > 0 || self.isAttacking) return;
+		if (self.specialCooldown > 0 || self.isAttacking || self.energy < self.energyCostPerAttack) return;
 		self.isAttacking = true;
 		self.specialCooldown = self.maxSpecialCooldown;
+		// Consume energy for sword attack
+		self.energy -= self.energyCostPerAttack;
+		self.energyRechargeTimer = self.energyRechargeDelay; // Reset recharge timer
 		// Sword swing animation - dramatic sweep
 		tween(playerGraphics, {
 			rotation: -0.5,
 			scaleX: 1.2,
@@ -611,8 +621,18 @@
 		}
 		if (self.specialCooldown > 0) {
 			self.specialCooldown--;
 		}
+		// Update energy system
+		if (self.energyRechargeTimer > 0) {
+			self.energyRechargeTimer--;
+		} else if (self.energy < self.maxEnergy) {
+			// Recharge energy after delay
+			self.energy += self.energyRechargeRate;
+			if (self.energy > self.maxEnergy) {
+				self.energy = self.maxEnergy;
+			}
+		}
 		// Update combo timers
 		if (self.punchComboTimer > 0) {
 			self.punchComboTimer--;
 			if (self.punchComboTimer === 0) {
@@ -934,8 +954,35 @@
 specialCooldownTxt.anchor.set(0, 0);
 specialCooldownTxt.x = 50;
 specialCooldownTxt.y = 170;
 LK.gui.topLeft.addChild(specialCooldownTxt);
+// Energy bar for sword attacks
+var energyBarBg = LK.getAsset('healthBarBg', {
+	width: 300,
+	height: 25,
+	color: 0x4B0082,
+	shape: 'box',
+	x: 150,
+	y: 130
+});
+LK.gui.topLeft.addChild(energyBarBg);
+var energyBar = LK.getAsset('healthBar', {
+	width: 300,
+	height: 25,
+	color: 0x9932CC,
+	shape: 'box',
+	x: 150,
+	y: 130
+});
+LK.gui.topLeft.addChild(energyBar);
+var energyTxt = new Text2('Energy', {
+	size: 35,
+	fill: 0x9932CC
+});
+energyTxt.anchor.set(0, 0);
+energyTxt.x = 150;
+energyTxt.y = 100;
+LK.gui.topLeft.addChild(energyTxt);
 // Boss health bar (initially hidden)
 var bossHealthBarBg = LK.getAsset('healthBarBg', {
 	width: 600,
 	height: 40,
@@ -1175,10 +1222,16 @@
 		// Update health bar
 		var healthPercent = player.health / player.maxHealth;
 		healthBar.width = 300 * healthPercent;
 		healthBar.tint = healthPercent > 0.5 ? 0x00FF00 : healthPercent > 0.25 ? 0xFFFF00 : 0xFF0000;
+		// Update energy bar
+		var energyPercent = player.energy / player.maxEnergy;
+		energyBar.width = 300 * energyPercent;
+		energyBar.tint = energyPercent > 0.6 ? 0x9932CC : energyPercent > 0.3 ? 0xFFFF00 : 0xFF0000;
 		if (player.specialCooldown > 0) {
 			specialCooldownTxt.setText('Special: ' + Math.ceil(player.specialCooldown / 60) + 's');
+		} else if (player.energy < player.energyCostPerAttack) {
+			specialCooldownTxt.setText('Low Energy');
 		} else {
 			specialCooldownTxt.setText('Special Ready');
 		}
 		// Check if health is zero for game over
@@ -1232,8 +1285,26 @@
 			var enemy = enemies[j];
 			if (attack.intersects(enemy)) {
 				enemy.takeDamage(attack.damage);
 				attack.hasHit = true;
+				// Special visual effect for sword attacks
+				if (attack.damage >= 100) {
+					LK.effects.flashObject(enemy, 0x9932CC, 500);
+					tween(enemy, {
+						scaleX: 1.2,
+						scaleY: 1.2
+					}, {
+						duration: 200,
+						easing: tween.easeOut
+					});
+					tween(enemy, {
+						scaleX: 1,
+						scaleY: 1
+					}, {
+						duration: 200,
+						easing: tween.easeIn
+					});
+				}
 				break;
 			}
 		}
 	}