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

/**** 
* Classes
****/ 
var AttackUnit = Container.expand(function () {
	var self = Container.call(this);
	var unitGraphics = self.attachAsset('attackUnit', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Health bar background
	var healthBarBg = self.attachAsset('healthBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBarBg.x = 0;
	healthBarBg.y = -40;
	// Health bar foreground
	var healthBar = self.attachAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	healthBar.x = 0;
	healthBar.y = -40;
	self.updateHealthBar = function () {
		var healthPercent = self.health / self.maxHealth;
		healthBar.scaleX = healthPercent;
		// Change color based on health
		if (healthPercent > 0.6) {
			healthBar.tint = 0x00ff00; // Green
		} else if (healthPercent > 0.3) {
			healthBar.tint = 0xffff00; // Yellow
		} else {
			healthBar.tint = 0xff0000; // Red
		}
	};
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 2;
	self.damage = 25;
	self.range = 150;
	self.shootCooldown = 0;
	self.target = null;
	self.lastX = 0;
	self.lastY = 0;
	self.currentWaypoint = 0;
	self.isMovingToWaypoint = false;
	self.pathWaypoints = [{
		x: 400,
		y: self.y
	}, {
		x: 700,
		y: 1200
	}, {
		x: 1000,
		y: 800
	}, {
		x: 1300,
		y: 1400
	}, {
		x: 1600,
		y: 1000
	}];
	self.followPath = function () {
		if (self.isMovingToWaypoint) return;
		if (self.currentWaypoint >= self.pathWaypoints.length) {
			// Reached end of path, move directly to base
			self.x += self.speed;
			return;
		}
		var waypoint = self.pathWaypoints[self.currentWaypoint];
		var distance = Math.sqrt(Math.pow(waypoint.x - self.x, 2) + Math.pow(waypoint.y - self.y, 2));
		var duration = distance / self.speed * 16.67; // Convert speed to ms (60fps = 16.67ms per frame)
		self.isMovingToWaypoint = true;
		tween(self, {
			x: waypoint.x,
			y: waypoint.y
		}, {
			duration: duration,
			easing: tween.linear,
			onFinish: function onFinish() {
				self.currentWaypoint++;
				self.isMovingToWaypoint = false;
			}
		});
	};
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Move towards enemy base using waypoints
		if (!self.target || !self.target.parent) {
			self.followPath();
		}
		// Units no longer attack - they only move towards the base
		// Attack behavior has been disabled
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.updateHealthBar();
		if (self.health <= 0) {
			return true; // Unit is dead
		}
		return false;
	};
	return self;
});
var EnemyBase = Container.expand(function () {
	var self = Container.call(this);
	var baseGraphics = self.attachAsset('enemyBase', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 500;
	self.maxHealth = 500;
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xff0000, 300);
		if (self.health <= 0) {
			return true; // Base destroyed - player wins!
		}
		return false;
	};
	return self;
});
// Game arrays to track entities
var EnemyTower = Container.expand(function () {
	var self = Container.call(this);
	var towerGraphics = self.attachAsset('enemyTower', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Upgrade indicator (initially hidden)
	var upgradeIndicator = self.attachAsset('upgradeIndicator', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	upgradeIndicator.x = 30;
	upgradeIndicator.y = -30;
	upgradeIndicator.visible = false;
	self.level = 1;
	self.maxLevel = 3;
	self.health = 150;
	self.maxHealth = 150;
	self.baseRange = 200;
	self.baseDamage = 30;
	self.range = self.baseRange;
	self.damage = self.baseDamage;
	self.shootCooldown = 0;
	self.target = null;
	self.updateStats = function () {
		var multiplier = 1 + (self.level - 1) * 0.5; // 50% increase per level
		self.range = Math.floor(self.baseRange * multiplier);
		self.damage = Math.floor(self.baseDamage * multiplier);
		self.maxHealth = Math.floor(150 * multiplier);
		self.health = Math.min(self.health, self.maxHealth);
		// Update visual appearance based on level
		if (self.level === 2) {
			towerGraphics.tint = 0xc0392b; // Darker red
			upgradeIndicator.visible = true;
			upgradeIndicator.tint = 0xffd700; // Gold
		} else if (self.level === 3) {
			towerGraphics.tint = 0x8b0000; // Dark red
			upgradeIndicator.visible = true;
			upgradeIndicator.tint = 0xff4500; // Orange red
		}
	};
	self.canUpgrade = function () {
		return self.level < self.maxLevel;
	};
	self.getUpgradeCost = function () {
		return 75 * self.level; // Cost increases with level
	};
	self.upgrade = function () {
		if (self.canUpgrade()) {
			self.level++;
			self.updateStats();
			LK.effects.flashObject(self, 0xffd700, 500);
			return true;
		}
		return false;
	};
	self.update = function () {
		// Increase range and damage if base is low on health
		var baseHealthPercent = enemyBase ? enemyBase.health / enemyBase.maxHealth : 1;
		var bonusRange = baseHealthPercent < 0.5 ? 100 : 0;
		var bonusDamage = baseHealthPercent < 0.3 ? 20 : 0;
		var currentRange = self.range + bonusRange;
		var currentDamage = self.damage + bonusDamage;
		// Find target
		if (!self.target || !self.target.parent) {
			self.target = null;
			var closestUnit = null;
			var closestDistance = Infinity;
			// Prioritize units closer to base
			for (var i = 0; i < playerUnits.length; i++) {
				var unit = playerUnits[i];
				var distance = Math.sqrt(Math.pow(unit.x - self.x, 2) + Math.pow(unit.y - self.y, 2));
				var distanceToBase = Math.sqrt(Math.pow(unit.x - enemyBase.x, 2) + Math.pow(unit.y - enemyBase.y, 2));
				if (distance <= currentRange) {
					// Prioritize units closer to base
					var priority = distance - distanceToBase * 0.3;
					if (priority < closestDistance) {
						closestDistance = priority;
						closestUnit = unit;
					}
				}
			}
			self.target = closestUnit;
		}
		// Shoot at target
		if (self.target && self.shootCooldown <= 0) {
			var bullet = new TowerBullet();
			bullet.x = self.x;
			bullet.y = self.y;
			bullet.target = self.target;
			bullet.damage = currentDamage;
			towerBullets.push(bullet);
			game.addChild(bullet);
			LK.getSound('shoot').play();
			// Shoot faster when base is in danger
			var shootCooldown = baseHealthPercent < 0.5 ? 60 : 90;
			self.shootCooldown = shootCooldown;
		}
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		LK.effects.flashObject(self, 0xff0000, 200);
		if (self.health <= 0) {
			return true; // Tower is destroyed
		}
		return false;
	};
	return self;
});
var TowerBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('towerBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.target = null;
	self.damage = 30;
	self.update = function () {
		if (!self.target || !self.target.parent) {
			// Target destroyed, remove bullet
			return;
		}
		// Move towards target
		var dx = self.target.x - self.x;
		var dy = self.target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 10) {
			// Hit target
			if (self.target.takeDamage) {
				self.target.takeDamage(self.damage);
				LK.getSound('hit').play();
			}
			return; // Bullet will be removed
		}
		// Normalize and move
		self.x += dx / distance * self.speed;
		self.y += dy / distance * self.speed;
	};
	return self;
});
var TowerSlot = Container.expand(function () {
	var self = Container.call(this);
	var slotGraphics = self.attachAsset('towerSlot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	slotGraphics.alpha = 0.3;
	self.occupied = false;
	self.tower = null;
	self.placeTower = function () {
		if (!self.occupied) {
			var tower = new EnemyTower();
			tower.x = self.x;
			tower.y = self.y;
			tower.slot = self;
			tower.updateStats(); // Initialize stats properly
			enemyTowers.push(tower);
			game.addChild(tower);
			self.occupied = true;
			self.tower = tower;
			slotGraphics.alpha = 0.1;
			return tower;
		}
		return null;
	};
	self.removeTower = function () {
		if (self.occupied && self.tower) {
			self.occupied = false;
			self.tower = null;
			slotGraphics.alpha = 0.3;
		}
	};
	return self;
});
var UnitBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('unitBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.target = null;
	self.damage = 25;
	self.update = function () {
		if (!self.target || !self.target.parent) {
			// Target destroyed, remove bullet
			return;
		}
		// Move towards target
		var dx = self.target.x - self.x;
		var dy = self.target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 10) {
			// Hit target
			if (self.target.takeDamage) {
				self.target.takeDamage(self.damage);
				LK.getSound('hit').play();
			}
			return; // Bullet will be removed
		}
		// Normalize and move
		self.x += dx / distance * self.speed;
		self.y += dy / distance * self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2d5016
});

/**** 
* Game Code
****/ 
// Game arrays to track entities
// Initialize game assets
var playerUnits = [];
var enemyTowers = [];
var unitBullets = [];
var towerBullets = [];
var towerSlots = [];
var enemyBase;
// Game resources
var coins = 150;
var unitCost = 50;
// UI Elements
var coinsText = new Text2('Coins: ' + coins, {
	size: 80,
	fill: 0xFFD700
});
coinsText.anchor.set(1, 0);
coinsText.x = -20; // Small margin from right edge
coinsText.y = 20; // Small margin from top
LK.gui.topRight.addChild(coinsText);
var coinIcon = LK.getAsset('coinIcon', {
	anchorX: 0.5,
	anchorY: 0.5
});
coinIcon.x = -coinsText.width - 60; // Position to left of text
coinIcon.y = 45; // Align with text
LK.gui.topRight.addChild(coinIcon);
var healthText = new Text2('Base Health: 500', {
	size: 50,
	fill: 0xFFFFFF
});
healthText.anchor.set(0.5, 0);
LK.gui.top.addChild(healthText);
var spawnButton = new Text2('SPAWN UNIT (50 coins)', {
	size: 50,
	fill: 0x00FF00
});
spawnButton.anchor.set(0.5, 1);
spawnButton.interactive = true;
spawnButton.down = function () {
	if (coins >= unitCost) {
		spawnUnit();
	}
};
LK.gui.bottom.addChild(spawnButton);
// Create enemy base
enemyBase = game.addChild(new EnemyBase());
enemyBase.x = 1800;
enemyBase.y = 2732 / 2;
// Create tower slots in a grid
var gridStartX = 800;
var gridStartY = 600;
var gridSpacingX = 200;
var gridSpacingY = 200;
var gridRows = 8;
var gridCols = 4;
for (var row = 0; row < gridRows; row++) {
	for (var col = 0; col < gridCols; col++) {
		var slot = new TowerSlot();
		slot.x = gridStartX + col * gridSpacingX;
		slot.y = gridStartY + row * gridSpacingY;
		towerSlots.push(slot);
		game.addChild(slot);
	}
}
// Initially place some towers in random slots
var initialTowerCount = 4;
var placedTowers = 0;
while (placedTowers < initialTowerCount && placedTowers < towerSlots.length) {
	var randomSlotIndex = Math.floor(Math.random() * towerSlots.length);
	var slot = towerSlots[randomSlotIndex];
	if (slot.placeTower()) {
		placedTowers++;
	}
}
function spawnUnit() {
	if (coins >= unitCost) {
		coins -= unitCost;
		coinsText.setText('Coins: ' + coins);
		coinIcon.x = -coinsText.width - 60; // Update icon position
		var unit = new AttackUnit();
		unit.x = 100;
		unit.y = 500 + playerUnits.length % 5 * 150;
		// Set custom waypoints based on spawn position to create varied paths
		unit.pathWaypoints = [{
			x: 400,
			y: unit.y
		}, {
			x: 700,
			y: unit.y < 1366 ? 1200 : 800
		}, {
			x: 1000,
			y: unit.y < 1366 ? 800 : 1400
		}, {
			x: 1300,
			y: unit.y < 1366 ? 1400 : 1000
		}, {
			x: 1600,
			y: 1366
		}];
		playerUnits.push(unit);
		game.addChild(unit);
		unit.updateHealthBar(); // Initialize health bar display
		LK.getSound('unitSpawn').play();
	}
}
// Coin generation timer
var coinTimer = 0;
// Enemy AI system
var enemyAI = {
	coins: 200,
	towerCost: 100,
	lastTowerPlacement: 0,
	placementCooldown: 300,
	// 5 seconds at 60fps
	update: function update() {
		// Generate coins for enemy AI
		if (LK.ticks % 180 === 0) {
			// Every 3 seconds
			this.coins += 50;
		}
		// Check if should place new towers
		if (this.coins >= this.towerCost && LK.ticks - this.lastTowerPlacement > this.placementCooldown) {
			this.considerTowerPlacement();
		}
		// Upgrade existing towers
		this.considerTowerUpgrades();
		// Repair damaged towers
		this.repairTowers();
	},
	considerTowerPlacement: function considerTowerPlacement() {
		// Find empty slots closest to player units
		var bestSlot = null;
		var minDistance = Infinity;
		for (var i = 0; i < towerSlots.length; i++) {
			var slot = towerSlots[i];
			if (!slot.occupied) {
				// Calculate average distance to all player units
				var totalDistance = 0;
				var unitCount = 0;
				for (var j = 0; j < playerUnits.length; j++) {
					var unit = playerUnits[j];
					var distance = Math.sqrt(Math.pow(unit.x - slot.x, 2) + Math.pow(unit.y - slot.y, 2));
					totalDistance += distance;
					unitCount++;
				}
				if (unitCount > 0) {
					var avgDistance = totalDistance / unitCount;
					if (avgDistance < minDistance && avgDistance < 400) {
						// Only place if units are nearby
						minDistance = avgDistance;
						bestSlot = slot;
					}
				}
			}
		}
		// Place tower at best location
		if (bestSlot) {
			bestSlot.placeTower();
			this.coins -= this.towerCost;
			this.lastTowerPlacement = LK.ticks;
			// Visual feedback
			LK.effects.flashObject(bestSlot, 0xff0000, 500);
		}
	},
	considerTowerUpgrades: function considerTowerUpgrades() {
		// Find towers that can be upgraded and are in combat zones
		for (var i = 0; i < enemyTowers.length; i++) {
			var tower = enemyTowers[i];
			if (tower.canUpgrade()) {
				var upgradeCost = tower.getUpgradeCost();
				if (this.coins >= upgradeCost) {
					// Check if tower is in an active combat zone (has nearby player units)
					var nearbyUnits = 0;
					for (var j = 0; j < playerUnits.length; j++) {
						var unit = playerUnits[j];
						var distance = Math.sqrt(Math.pow(unit.x - tower.x, 2) + Math.pow(unit.y - tower.y, 2));
						if (distance <= tower.range + 100) {
							nearbyUnits++;
						}
					}
					// Upgrade towers that are actively engaged or if we have excess coins
					if (nearbyUnits > 0 || this.coins > upgradeCost * 2) {
						if (tower.upgrade()) {
							this.coins -= upgradeCost;
							break; // Only upgrade one tower per update
						}
					}
				}
			}
		}
	},
	repairTowers: function repairTowers() {
		// Find damaged towers and repair them
		for (var i = 0; i < enemyTowers.length; i++) {
			var tower = enemyTowers[i];
			if (tower.health < tower.maxHealth * 0.5 && this.coins >= 25) {
				tower.health = Math.min(tower.health + 25, tower.maxHealth);
				this.coins -= 25;
				LK.effects.flashObject(tower, 0x00ff00, 300);
				break; // Only repair one tower per update
			}
		}
	}
};
// Touch controls for spawning units
game.down = function (x, y, obj) {
	if (coins >= unitCost) {
		spawnUnit();
	}
};
game.update = function () {
	// Update enemy AI
	enemyAI.update();
	// Generate coins over time
	coinTimer++;
	if (coinTimer >= 120) {
		// Every 2 seconds
		coins += 25;
		coinsText.setText('Coins: ' + coins);
		coinIcon.x = -coinsText.width - 60; // Update icon position
		coinTimer = 0;
	}
	// Update unit bullets
	for (var i = unitBullets.length - 1; i >= 0; i--) {
		var bullet = unitBullets[i];
		if (!bullet.target || !bullet.target.parent) {
			bullet.destroy();
			unitBullets.splice(i, 1);
			continue;
		}
		var dx = bullet.target.x - bullet.x;
		var dy = bullet.target.y - bullet.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 15) {
			// Hit target
			var isDead = bullet.target.takeDamage(bullet.damage);
			if (isDead) {
				// Remove from appropriate array
				if (bullet.target === enemyBase) {
					// Player wins!
					LK.effects.flashScreen(0x00ff00, 2000);
					LK.showYouWin();
					return;
				} else {
					// Remove tower
					for (var j = 0; j < enemyTowers.length; j++) {
						if (enemyTowers[j] === bullet.target) {
							// Clean up slot if tower has one
							if (enemyTowers[j].slot) {
								enemyTowers[j].slot.removeTower();
							}
							enemyTowers[j].destroy();
							enemyTowers.splice(j, 1);
							coins += 75; // Bonus for destroying tower
							coinsText.setText('Coins: ' + coins);
							coinIcon.x = -coinsText.width - 60; // Update icon position
							break;
						}
					}
				}
			}
			bullet.destroy();
			unitBullets.splice(i, 1);
		}
	}
	// Update tower bullets
	for (var i = towerBullets.length - 1; i >= 0; i--) {
		var bullet = towerBullets[i];
		if (!bullet.target || !bullet.target.parent) {
			bullet.destroy();
			towerBullets.splice(i, 1);
			continue;
		}
		var dx = bullet.target.x - bullet.x;
		var dy = bullet.target.y - bullet.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 15) {
			// Hit target
			var isDead = bullet.target.takeDamage(bullet.damage);
			if (isDead) {
				// Remove unit
				for (var j = 0; j < playerUnits.length; j++) {
					if (playerUnits[j] === bullet.target) {
						playerUnits[j].destroy();
						playerUnits.splice(j, 1);
						break;
					}
				}
			}
			bullet.destroy();
			towerBullets.splice(i, 1);
		}
	}
	// Check if player has no units and insufficient coins (lose condition)
	if (playerUnits.length === 0 && coins < unitCost) {
		// Check if there are still towers or base with health
		if (enemyTowers.length > 0 || enemyBase && enemyBase.health > 0) {
			LK.effects.flashScreen(0xff0000, 2000);
			LK.showGameOver();
			return;
		}
	}
	// Update base health display
	if (enemyBase) {
		healthText.setText('Base Health: ' + enemyBase.health);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -360,13 +360,22 @@
 var coins = 150;
 var unitCost = 50;
 // UI Elements
 var coinsText = new Text2('Coins: ' + coins, {
-	size: 60,
-	fill: 0xFFFFFF
+	size: 80,
+	fill: 0xFFD700
 });
-coinsText.anchor.set(0, 0);
+coinsText.anchor.set(1, 0);
+coinsText.x = -20; // Small margin from right edge
+coinsText.y = 20; // Small margin from top
 LK.gui.topRight.addChild(coinsText);
+var coinIcon = LK.getAsset('coinIcon', {
+	anchorX: 0.5,
+	anchorY: 0.5
+});
+coinIcon.x = -coinsText.width - 60; // Position to left of text
+coinIcon.y = 45; // Align with text
+LK.gui.topRight.addChild(coinIcon);
 var healthText = new Text2('Base Health: 500', {
 	size: 50,
 	fill: 0xFFFFFF
 });
@@ -417,8 +426,9 @@
 function spawnUnit() {
 	if (coins >= unitCost) {
 		coins -= unitCost;
 		coinsText.setText('Coins: ' + coins);
+		coinIcon.x = -coinsText.width - 60; // Update icon position
 		var unit = new AttackUnit();
 		unit.x = 100;
 		unit.y = 500 + playerUnits.length % 5 * 150;
 		// Set custom waypoints based on spawn position to create varied paths
@@ -557,8 +567,9 @@
 	if (coinTimer >= 120) {
 		// Every 2 seconds
 		coins += 25;
 		coinsText.setText('Coins: ' + coins);
+		coinIcon.x = -coinsText.width - 60; // Update icon position
 		coinTimer = 0;
 	}
 	// Update unit bullets
 	for (var i = unitBullets.length - 1; i >= 0; i--) {
@@ -592,8 +603,9 @@
 							enemyTowers[j].destroy();
 							enemyTowers.splice(j, 1);
 							coins += 75; // Bonus for destroying tower
 							coinsText.setText('Coins: ' + coins);
+							coinIcon.x = -coinsText.width - 60; // Update icon position
 							break;
 						}
 					}
 				}