/**** 
* 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 = 1;
	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 Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 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 > 2098 || self.y < -50 || self.y > 2782) {
			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 = 2.5;
	self.scoreValue = 15;
	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 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(2008, newX));
		self.y = Math.max(40, Math.min(2692, 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(2008, targetX));
		targetY = Math.max(40, Math.min(2692, 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 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 = 0.8;
	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 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;
	self.update = function () {
		// 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 (add to score for now)
			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: 0x2E2E2E
});

/**** 
* Game Code
****/ 
var hero;
var enemies = [];
var bullets = [];
var xpOrbs = [];
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;
// 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 hero
hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 / 2;
// 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);
function spawnEnemy() {
	var enemyType = Math.random();
	var enemy;
	if (enemyType < 0.6) {
		enemy = new BasicEnemy();
	} else if (enemyType < 0.85) {
		enemy = new FastEnemy();
	} else {
		enemy = new StrongEnemy();
	}
	// Spawn at random edge position
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			enemy.x = Math.random() * 2048;
			enemy.y = -50;
			break;
		case 1:
			// Right
			enemy.x = 2048 + 50;
			enemy.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			enemy.x = Math.random() * 2048;
			enemy.y = 2732 + 50;
			break;
		case 3:
			// Left
			enemy.x = -50;
			enemy.y = Math.random() * 2732;
			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 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 () {
	// Process analog movement
	if (isJoystickActive && (Math.abs(movementX) > 0.1 || Math.abs(movementY) > 0.1)) {
		hero.analogMove(movementX, movementY);
	}
	spawnTimer++;
	// Increase difficulty over time
	if (LK.getScore() > difficultyLevel * 100) {
		difficultyLevel++;
	}
	// Spawn enemies based on difficulty
	var spawnRate = Math.max(60 - difficultyLevel * 5, 20);
	if (spawnTimer >= spawnRate) {
		spawnEnemy();
		spawnTimer = 0;
	}
	// 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;
		if (currentTime - lastShootTime > 40 && 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 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)) {
			// Take damage from collision
			hero.takeDamage(enemy.damage);
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Remove enemies that are too far off screen
		if (enemy.x < -200 || enemy.x > 2248 || enemy.y < -200 || enemy.y > 2932) {
			enemy.destroy();
			enemies.splice(i, 1);
		}
	}
	// Update health bar
	updateHealthBar();
	scoreTxt.setText(LK.getScore());
};

===================================================================
--- original.js
+++ change.js
@@ -20,8 +20,14 @@
 	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();
@@ -99,8 +105,14 @@
 	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();
@@ -273,8 +285,14 @@
 	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();
@@ -296,8 +314,46 @@
 		}
 	};
 	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;
+	self.update = function () {
+		// 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 (add to score for now)
+			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
 ****/ 
@@ -310,8 +366,9 @@
 ****/ 
 var hero;
 var enemies = [];
 var bullets = [];
+var xpOrbs = [];
 var spawnTimer = 0;
 var difficultyLevel = 1;
 var scoreTxt;
 var healthBar;