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

/**** 
* Classes
****/ 
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collectTimer = 0;
	self.update = function () {
		// Auto-collect after short delay
		self.collectTimer++;
		if (self.collectTimer > 30) {
			// 0.5 seconds
			self.collect();
		}
		// Spin animation
		coinGraphics.rotation += 0.1;
	};
	self.collect = function () {
		LK.getSound('coin').play();
		// Remove from coins array
		for (var i = coins.length - 1; i >= 0; i--) {
			if (coins[i] === self) {
				coins.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	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 = 2;
	self.speed = 1;
	self.attackCooldown = 0;
	self.fromLeft = true;
	self.update = function () {
		var distanceToHero = Math.sqrt(Math.pow(self.x - hero.x, 2) + Math.pow(self.y - hero.y, 2));
		var canSeeHero = distanceToHero < 300; // Line of sight range
		if (canSeeHero) {
			// Chase hero
			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;
				// Face direction of movement
				enemyGraphics.scaleX = dx > 0 ? 1 : -1;
			}
			// Attack hero if close enough
			if (distanceToHero < 100 && self.attackCooldown <= 0) {
				hero.takeDamage();
				self.attackCooldown = 120; // 2 seconds at 60fps
			}
		} else {
			// Roam randomly
			if (!self.roamDirection || Math.random() < 0.01) {
				self.roamDirection = {
					x: (Math.random() - 0.5) * 2,
					y: (Math.random() - 0.5) * 2
				};
			}
			var newX = self.x + self.roamDirection.x * self.speed * 0.5;
			var newY = self.y + self.roamDirection.y * self.speed * 0.5;
			// Keep within level bounds
			if (newX > 100 && newX < currentLevelData.width - 100) {
				self.x = newX;
				enemyGraphics.scaleX = self.roamDirection.x > 0 ? 1 : -1;
			}
			if (newY > 1800 && newY < 2200) {
				self.y = newY;
			}
		}
		if (self.attackCooldown > 0) {
			self.attackCooldown--;
		}
	};
	self.takeDamage = function () {
		self.health--;
		LK.effects.flashObject(self, 0xffffff, 200);
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Drop coin
		var coin = game.addChild(new Coin());
		coin.x = self.x;
		coin.y = self.y;
		// Add score and combo
		var baseScore = 10;
		var comboMultiplier = Math.floor(hero.comboCount / 5) + 1;
		var finalScore = baseScore * comboMultiplier;
		LK.setScore(LK.getScore() + finalScore);
		hero.addCombo();
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
		updateScoreDisplay();
	};
	return self;
});
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.maxHealth = 5;
	self.health = self.maxHealth;
	self.isAttacking = false;
	self.invulnerable = false;
	self.damageBoost = false;
	self.comboCount = 0;
	self.attack = function (targetX) {
		if (self.isAttacking) return;
		self.isAttacking = true;
		// Face direction of attack
		if (targetX < self.x) {
			heroGraphics.scaleX = -1;
		} else {
			heroGraphics.scaleX = 1;
		}
		// Attack animation
		tween(heroGraphics, {
			scaleY: 1.2
		}, {
			duration: 100
		});
		tween(heroGraphics, {
			scaleY: 1.0
		}, {
			duration: 100,
			onFinish: function onFinish() {
				self.isAttacking = false;
			}
		});
		// Create punch effect
		var effect = game.addChild(LK.getAsset('punchEffect', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0.8
		}));
		effect.x = self.x + heroGraphics.scaleX * 80;
		effect.y = self.y - 80;
		tween(effect, {
			scaleX: 2,
			scaleY: 2,
			alpha: 0
		}, {
			duration: 200,
			onFinish: function onFinish() {
				effect.destroy();
			}
		});
		LK.getSound('punch').play();
	};
	self.takeDamage = function () {
		if (self.invulnerable) return;
		self.health--;
		self.comboCount = 0;
		// Flash red when hit
		LK.effects.flashObject(self, 0xff0000, 500);
		// Temporary invulnerability
		self.invulnerable = true;
		LK.setTimeout(function () {
			self.invulnerable = false;
		}, 1000);
		LK.getSound('hit').play();
		updateHealthDisplay();
		if (self.health <= 0) {
			LK.showGameOver();
		}
	};
	self.heal = function () {
		if (self.health < self.maxHealth) {
			self.health++;
			updateHealthDisplay();
		}
	};
	self.addCombo = function () {
		self.comboCount++;
	};
	self.move = function (direction) {
		var speed = 5;
		if (direction === 'left' && self.x > 100) {
			self.x -= speed;
			heroGraphics.scaleX = -1;
		} else if (direction === 'right' && self.x < currentLevelData.width - 100) {
			self.x += speed;
			heroGraphics.scaleX = 1;
		} else if (direction === 'up' && self.y > 1800) {
			self.y -= speed;
		} else if (direction === 'down' && self.y < 2200) {
			self.y += speed;
		}
		// Update camera target
		camera.targetX = self.x - 1024;
		camera.targetY = self.y - 1366;
		// Clamp camera to level bounds
		camera.targetX = Math.max(0, Math.min(camera.targetX, currentLevelData.width - 2048));
		camera.targetY = Math.max(0, Math.min(camera.targetY, currentLevelData.height - 2732));
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerupGraphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.type = 'health'; // 'health', 'invulnerable', 'damage'
	self.lifetime = 600; // 10 seconds
	self.update = function () {
		self.lifetime--;
		if (self.lifetime <= 0) {
			self.expire();
		}
		// Check collision with hero
		if (self.intersects(hero)) {
			self.collect();
		}
		// Pulse animation
		var scale = 1 + Math.sin(LK.ticks * 0.2) * 0.2;
		powerupGraphics.scaleX = scale;
		powerupGraphics.scaleY = scale;
	};
	self.collect = function () {
		LK.getSound('powerup').play();
		if (self.type === 'health') {
			hero.heal();
		} else if (self.type === 'invulnerable') {
			hero.invulnerable = true;
			LK.setTimeout(function () {
				hero.invulnerable = false;
			}, 5000);
		} else if (self.type === 'damage') {
			hero.damageBoost = true;
			LK.setTimeout(function () {
				hero.damageBoost = false;
			}, 5000);
		}
		// Remove from powerups array
		for (var i = powerups.length - 1; i >= 0; i--) {
			if (powerups[i] === self) {
				powerups.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	self.expire = function () {
		// Remove from powerups array
		for (var i = powerups.length - 1; i >= 0; i--) {
			if (powerups[i] === self) {
				powerups.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2c3e50
});

/**** 
* Game Code
****/ 
// Game variables
var hero;
var enemies = [];
var coins = [];
var powerups = [];
var currentLevel = 1;
var levelComplete = false;
var hearts = [];
// Movement state tracking
var movementState = {
	left: false,
	right: false,
	up: false,
	down: false
};
// Camera system
var camera = {
	x: 0,
	y: 0,
	targetX: 0,
	targetY: 0,
	smoothing: 0.1
};
// Level configuration
var levels = [{
	enemies: [{
		type: 'basic',
		count: 3
	}],
	width: 4096,
	height: 2732
}, {
	enemies: [{
		type: 'basic',
		count: 5
	}, {
		type: 'strong',
		count: 2
	}],
	width: 5120,
	height: 2732
}, {
	enemies: [{
		type: 'basic',
		count: 7
	}, {
		type: 'strong',
		count: 3
	}, {
		type: 'fast',
		count: 2
	}],
	width: 6144,
	height: 2732
}];
var currentLevelData = levels[0];
// UI Elements
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
scoreText.x = 150;
scoreText.y = 50;
LK.gui.topLeft.addChild(scoreText);
var levelText = new Text2('Level: 1', {
	size: 80,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
levelText.y = 50;
var comboText = new Text2('Combo: 0x', {
	size: 60,
	fill: 0xFFFF00
});
comboText.anchor.set(1, 0);
LK.gui.topRight.addChild(comboText);
comboText.x = -50;
comboText.y = 120;
// Create movement and attack buttons
var leftButton = LK.getAsset('hero', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.4,
	scaleY: 0.4,
	alpha: 0.7
});
leftButton.x = 150;
leftButton.y = -200;
LK.gui.bottomLeft.addChild(leftButton);
var rightButton = LK.getAsset('hero', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.4,
	scaleY: 0.4,
	alpha: 0.7
});
rightButton.x = 350;
rightButton.y = -200;
LK.gui.bottomLeft.addChild(rightButton);
var upButton = LK.getAsset('hero', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.4,
	scaleY: 0.4,
	alpha: 0.7
});
upButton.x = 250;
upButton.y = -300;
LK.gui.bottomLeft.addChild(upButton);
var downButton = LK.getAsset('hero', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.4,
	scaleY: 0.4,
	alpha: 0.7
});
downButton.x = 250;
downButton.y = -100;
LK.gui.bottomLeft.addChild(downButton);
var attackButton = LK.getAsset('punchEffect', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.6,
	scaleY: 0.6,
	alpha: 0.8
});
attackButton.x = -150;
attackButton.y = -200;
LK.gui.bottomRight.addChild(attackButton);
// Create hero
hero = game.addChild(new Hero());
hero.x = 1024; // Center of screen
hero.y = 2200; // Near bottom
// Create health display
function updateHealthDisplay() {
	// Remove existing hearts
	for (var i = hearts.length - 1; i >= 0; i--) {
		hearts[i].destroy();
	}
	hearts = [];
	// Create new hearts
	for (var i = 0; i < hero.health; i++) {
		var heart = LK.getAsset('heart', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		heart.x = 200 + i * 80;
		heart.y = 200;
		LK.gui.topLeft.addChild(heart);
		hearts.push(heart);
	}
}
function updateScoreDisplay() {
	scoreText.setText('Score: ' + LK.getScore());
	var comboMultiplier = Math.floor(hero.comboCount / 5) + 1;
	comboText.setText('Combo: ' + comboMultiplier + 'x');
}
function initializeLevel() {
	// Clear existing enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].destroy();
	}
	enemies = [];
	currentLevelData = levels[currentLevel - 1] || levels[levels.length - 1];
	levelComplete = false;
	// Spawn enemies for this level
	for (var j = 0; j < currentLevelData.enemies.length; j++) {
		var enemyGroup = currentLevelData.enemies[j];
		for (var k = 0; k < enemyGroup.count; k++) {
			spawnEnemy(enemyGroup.type);
		}
	}
	levelText.setText('Level: ' + currentLevel);
}
function spawnEnemy(type) {
	var enemy = game.addChild(new Enemy());
	// Random spawn position within level bounds
	enemy.x = 200 + Math.random() * (currentLevelData.width - 400);
	enemy.y = 1900 + Math.random() * 200;
	// Set enemy properties based on type
	if (type === 'basic') {
		enemy.health = 2;
		enemy.speed = 1;
	} else if (type === 'strong') {
		enemy.health = 4;
		enemy.speed = 0.8;
		enemy.getChildAt(0).tint = 0x8b4513; // Brown tint
	} else if (type === 'fast') {
		enemy.health = 1;
		enemy.speed = 2;
		enemy.getChildAt(0).tint = 0x00ff00; // Green tint
	}
	enemies.push(enemy);
}
function spawnPowerUp() {
	var powerup = game.addChild(new PowerUp());
	powerup.x = 500 + Math.random() * 1048; // Random x position
	powerup.y = 2000; // Above ground level
	// Random powerup type
	var types = ['health', 'invulnerable', 'damage'];
	powerup.type = types[Math.floor(Math.random() * types.length)];
	// Color by type
	var powerupGraphics = powerup.getChildAt(0);
	if (powerup.type === 'health') {
		powerupGraphics.tint = 0x00ff00; // Green
	} else if (powerup.type === 'invulnerable') {
		powerupGraphics.tint = 0x0088ff; // Blue
	} else if (powerup.type === 'damage') {
		powerupGraphics.tint = 0xff8800; // Orange
	}
	powerups.push(powerup);
}
function findNearestEnemy(x, y) {
	var nearest = null;
	var shortestDistance = Infinity;
	for (var i = 0; i < enemies.length; i++) {
		var enemy = enemies[i];
		var distance = Math.sqrt(Math.pow(enemy.x - x, 2) + Math.pow(enemy.y - y, 2));
		if (distance < shortestDistance) {
			shortestDistance = distance;
			nearest = enemy;
		}
	}
	return nearest;
}
// Initialize UI
updateHealthDisplay();
updateScoreDisplay();
// Initialize first level
initializeLevel();
// Set initial camera position
camera.targetX = hero.x - 1024;
camera.targetY = hero.y - 1366;
camera.x = camera.targetX;
camera.y = camera.targetY;
// Button event handlers
leftButton.down = function (x, y, obj) {
	movementState.left = true;
};
leftButton.up = function (x, y, obj) {
	movementState.left = false;
};
rightButton.down = function (x, y, obj) {
	movementState.right = true;
};
rightButton.up = function (x, y, obj) {
	movementState.right = false;
};
upButton.down = function (x, y, obj) {
	movementState.up = true;
};
upButton.up = function (x, y, obj) {
	movementState.up = false;
};
downButton.down = function (x, y, obj) {
	movementState.down = true;
};
downButton.up = function (x, y, obj) {
	movementState.down = false;
};
attackButton.down = function (x, y, obj) {
	if (!hero.isAttacking) {
		var nearestEnemy = findNearestEnemy(hero.x, hero.y);
		if (nearestEnemy) {
			hero.attack(nearestEnemy.x);
			// Check if attack hits with increased range
			var distanceToEnemy = Math.sqrt(Math.pow(hero.x - nearestEnemy.x, 2) + Math.pow(hero.y - nearestEnemy.y, 2));
			if (distanceToEnemy < 250) {
				// Increased from 150 to 250
				var damage = hero.damageBoost ? 2 : 1;
				for (var i = 0; i < damage; i++) {
					nearestEnemy.takeDamage();
				}
			}
		} else {
			// Attack in hero's facing direction
			hero.attack(hero.x + (hero.getChildAt(0).scaleX > 0 ? 100 : -100));
		}
	}
};
// Game input (fallback for screen taps outside buttons)
game.down = function (x, y, obj) {
	// Convert screen coordinates to world coordinates
	var worldX = x + camera.x;
	var worldY = y + camera.y;
	// Check if tap is for movement or attack
	var distanceToHero = Math.sqrt(Math.pow(worldX - hero.x, 2) + Math.pow(worldY - hero.y, 2));
	if (distanceToHero > 200) {
		// Movement - move toward tap position
		var dx = worldX - hero.x;
		var dy = worldY - hero.y;
		if (Math.abs(dx) > Math.abs(dy)) {
			hero.move(dx > 0 ? 'right' : 'left');
		} else {
			hero.move(dy > 0 ? 'down' : 'up');
		}
	} else {
		// Attack
		if (!hero.isAttacking) {
			var nearestEnemy = findNearestEnemy(worldX, worldY);
			if (nearestEnemy) {
				hero.attack(nearestEnemy.x);
				// Check if attack hits with increased range
				var distanceToEnemy = Math.sqrt(Math.pow(hero.x - nearestEnemy.x, 2) + Math.pow(hero.y - nearestEnemy.y, 2));
				if (distanceToEnemy < 250) {
					// Increased from 150 to 250
					var damage = hero.damageBoost ? 2 : 1;
					for (var i = 0; i < damage; i++) {
						nearestEnemy.takeDamage();
					}
				}
			} else {
				// Attack in direction of tap
				hero.attack(worldX);
			}
		}
	}
};
// Main game loop
game.update = function () {
	// Handle continuous movement based on button states
	if (movementState.left) {
		hero.move('left');
	}
	if (movementState.right) {
		hero.move('right');
	}
	if (movementState.up) {
		hero.move('up');
	}
	if (movementState.down) {
		hero.move('down');
	}
	// Update camera position smoothly
	camera.x += (camera.targetX - camera.x) * camera.smoothing;
	camera.y += (camera.targetY - camera.y) * camera.smoothing;
	// Apply camera position to game
	game.x = -camera.x;
	game.y = -camera.y;
	// Update all game objects
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		enemy.update();
	}
	for (var i = coins.length - 1; i >= 0; i--) {
		coins[i].update();
	}
	for (var i = powerups.length - 1; i >= 0; i--) {
		powerups[i].update();
	}
	// Check for level completion
	if (!levelComplete && enemies.length === 0) {
		levelComplete = true;
		currentLevel++;
		if (currentLevel <= levels.length) {
			// Start next level after delay
			LK.setTimeout(function () {
				initializeLevel();
			}, 2000);
		} else {
			// Game completed
			LK.showYouWin();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -297,8 +297,15 @@
 var powerups = [];
 var currentLevel = 1;
 var levelComplete = false;
 var hearts = [];
+// Movement state tracking
+var movementState = {
+	left: false,
+	right: false,
+	up: false,
+	down: false
+};
 // Camera system
 var camera = {
 	x: 0,
 	y: 0,
@@ -521,19 +528,31 @@
 camera.x = camera.targetX;
 camera.y = camera.targetY;
 // Button event handlers
 leftButton.down = function (x, y, obj) {
-	hero.move('left');
+	movementState.left = true;
 };
+leftButton.up = function (x, y, obj) {
+	movementState.left = false;
+};
 rightButton.down = function (x, y, obj) {
-	hero.move('right');
+	movementState.right = true;
 };
+rightButton.up = function (x, y, obj) {
+	movementState.right = false;
+};
 upButton.down = function (x, y, obj) {
-	hero.move('up');
+	movementState.up = true;
 };
+upButton.up = function (x, y, obj) {
+	movementState.up = false;
+};
 downButton.down = function (x, y, obj) {
-	hero.move('down');
+	movementState.down = true;
 };
+downButton.up = function (x, y, obj) {
+	movementState.down = false;
+};
 attackButton.down = function (x, y, obj) {
 	if (!hero.isAttacking) {
 		var nearestEnemy = findNearestEnemy(hero.x, hero.y);
 		if (nearestEnemy) {
@@ -592,8 +611,21 @@
 	}
 };
 // Main game loop
 game.update = function () {
+	// Handle continuous movement based on button states
+	if (movementState.left) {
+		hero.move('left');
+	}
+	if (movementState.right) {
+		hero.move('right');
+	}
+	if (movementState.up) {
+		hero.move('up');
+	}
+	if (movementState.down) {
+		hero.move('down');
+	}
 	// Update camera position smoothly
 	camera.x += (camera.targetX - camera.x) * camera.smoothing;
 	camera.y += (camera.targetY - camera.y) * camera.smoothing;
 	// Apply camera position to game