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

/**** 
* Classes
****/ 
// Miner class
var Miner = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('miner', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.currentTarget = null;
	self.miningRange = 25;
	self.miningCooldown = 0;
	self.miningRate = 30;
	self.miningDamage = 1;
	self.update = function () {
		self.findNewTarget();
		if (self.currentTarget) {
			var dx = self.currentTarget.x - self.x;
			var dy = self.currentTarget.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > self.miningRange) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			} else {
				self.mineOre(self.currentTarget);
			}
		} else {
			self.y += Math.sin(LK.time.elapsed / 250) * 0.5;
		}
	};
	self.findNewTarget = function () {
		var validOres = ores.filter(function (ore) {
			return ore.health > 0 && ore.tier <= gameState.currentTier;
		});
		if (validOres.length === 0) {
			return;
		}
		self.currentTarget = validOres.sort(function (a, b) {
			if (a.tier !== b.tier) {
				return b.tier - a.tier;
			}
			return Math.hypot(a.x - self.x, a.y - self.y) - Math.hypot(b.x - self.x, b.y - self.y);
		})[0];
	};
	self.mineOre = function (ore) {
		if (self.miningCooldown > 0) {
			self.miningCooldown--;
			return;
		}
		ore.health -= self.miningDamage * gameState.pickaxeLevel;
		self.miningCooldown = self.miningRate;
		if (ore.health <= 0) {
			gameState.money += ore.getValue();
			ore.respawn();
			updateUI();
			self.findNewTarget();
		}
		for (var i = 0; i < 5; i++) {
			var p = LK.getAsset('mining_particle', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			p.x = ore.x;
			p.y = ore.y;
			p.vx = (Math.random() - 0.5) * 10;
			p.vy = (Math.random() - 0.5) * 10;
			p.alpha = 1;
			tween(p, {
				alpha: 0,
				y: p.y - 50
			}, {
				duration: 1000,
				onFinish: function onFinish() {
					return p.destroy();
				}
			});
			game.addChild(p);
		}
	};
	return self;
});
// Ore class
var Ore = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.tier = ['coal', 'iron', 'gold', 'diamond'].indexOf(type) + 1;
	self.baseValue = 5 * self.tier;
	self.attachAsset(type + '_ore', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.getValue = function () {
		return self.baseValue * gameState.oreMultipliers[type];
	};
	self.respawn = function () {
		self.health = 10;
		self.visible = true;
		self.x = 100 + Math.random() * (2048 - 200);
		self.y = 100 + Math.random() * (2732 - 200);
		var indicator = LK.getAsset('glowing_line_asset', {
			width: 100,
			height: 100
		});
		indicator.x = self.x;
		indicator.y = self.y;
		game.addChild(indicator);
		tween(indicator, {
			alpha: 0
		}, {
			duration: 1000,
			onFinish: function onFinish() {
				return indicator.destroy();
			}
		});
	};
	self.healthBar = LK.getAsset('rectangle', {
		width: 60,
		height: 5,
		fill: 0x00FF00
	});
	self.healthBar.y = -40;
	self.addChild(self.healthBar);
	self.respawn();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
var upgradeMenu = new Container();
var tooltip = new Text2('', {
	size: 40,
	fill: 0xFFFFFF
});
var upgrades = [{
	id: 'coal_expert',
	name: "Coal Expertise",
	cost: 100,
	effect: "Double coal value",
	tier: 1,
	action: function action() {
		return gameState.oreMultipliers.coal *= 2;
	}
}, {
	id: 'unlock_iron',
	name: "Iron Mining",
	cost: 500,
	effect: "Unlock iron mining",
	tier: 2,
	action: function action() {
		return gameState.currentTier = 2;
	}
}, {
	id: 'iron_expert',
	name: "Iron Expertise",
	cost: 2000,
	effect: "Triple iron value",
	tier: 2,
	requires: 'unlock_iron',
	action: function action() {
		return gameState.oreMultipliers.iron *= 3;
	}
}, {
	id: 'unlock_gold',
	name: "Gold Mining",
	cost: 5000,
	effect: "Unlock gold mining",
	tier: 3,
	action: function action() {
		return gameState.currentTier = 3;
	}
}, {
	id: 'gold_expert',
	name: "Gold Expertise",
	cost: 10000,
	effect: "Quadruple gold value",
	tier: 3,
	requires: 'unlock_gold',
	action: function action() {
		return gameState.oreMultipliers.gold *= 4;
	}
}, {
	id: 'unlock_diamond',
	name: "Diamond Mining",
	cost: 20000,
	effect: "Unlock diamond mining",
	tier: 4,
	action: function action() {
		return gameState.currentTier = 4;
	}
}];
var gameState = {
	money: 0,
	pickaxeLevel: 1,
	currentTier: 1,
	oreMultipliers: {
		coal: 1,
		iron: 1,
		gold: 1,
		diamond: 1
	}
};
var miner = game.addChild(new Miner());
miner.x = 2048 / 2;
miner.y = 2732 / 2;
// Create ores
var ores = ['coal', 'iron', 'gold', 'diamond'].map(function (type) {
	var ore = new Ore(type);
	game.addChild(ore);
	return ore;
});
// Background
var background = LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5
});
background.x = 2048 / 2;
background.y = 2732 / 2;
game.addChildAt(background, 0);
// UI Elements
var moneyDisplay = new Text2('$0', {
	size: 80,
	fill: 0xFFFFFF,
	fontWeight: 'bold',
	stroke: 0x000000,
	strokeThickness: 5
});
moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
moneyDisplay.y = 50;
var shopButton = LK.getAsset('buy_button', {
	anchorX: 0.5,
	anchorY: 0.5
});
shopButton.x = 2048 - 150;
shopButton.y = 2732 - 150;
shopButton.down = function () {
	createUpgradeMenu();
	game.addChild(upgradeMenu);
};
game.addChild(moneyDisplay);
game.addChild(shopButton);
game.addChild(tooltip);
function createUpgradeMenu() {
	upgradeMenu.removeChildren();
	// Menu background
	var menuBg = LK.getAsset('rectangle', {
		width: 1600,
		height: 1800,
		color: 0x2a2a2a,
		anchorX: 0.5,
		anchorY: 0.5
	});
	menuBg.x = 2048 / 2;
	menuBg.y = 2732 / 2;
	upgradeMenu.addChild(menuBg);
	// Upgrades
	upgrades.forEach(function (upgrade, i) {
		var _upgrades$find;
		var y = 2732 / 2 - 500 + i * 200;
		var btn = LK.getAsset('buy_button', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		btn.x = 2048 / 2;
		btn.y = y;
		var canBuy = !upgrade.purchased && gameState.money >= upgrade.cost && (!upgrade.requires || ((_upgrades$find = upgrades.find(function (u) {
			return u.id === upgrade.requires;
		})) === null || _upgrades$find === void 0 ? void 0 : _upgrades$find.purchased));
		var text = new Text2("".concat(upgrade.name, "\n").concat(upgrade.effect, "\n$").concat(upgrade.cost), {
			size: 40,
			fill: canBuy ? 0xFFFFFF : 0x666666
		});
		text.anchor.set(0.5);
		btn.addChild(text);
		btn.down = function () {
			if (canBuy) {
				gameState.money -= upgrade.cost;
				upgrade.purchased = true;
				upgrade.action();
				createUpgradeMenu();
				updateUI();
			}
		};
		upgradeMenu.addChild(btn);
	});
	// Close button
	var closeBtn = LK.getAsset('cancelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	closeBtn.x = 2048 / 2 + 600;
	closeBtn.y = 2732 / 2 - 700;
	closeBtn.down = function () {
		return game.removeChild(upgradeMenu);
	};
	upgradeMenu.addChild(closeBtn);
}
function updateUI() {
	moneyDisplay.setText("$".concat(gameState.money.toLocaleString(), "\n") + "Multipliers: C".concat(gameState.oreMultipliers.coal, "x ") + "I".concat(gameState.oreMultipliers.iron, "x ") + "G".concat(gameState.oreMultipliers.gold, "x ") + "D".concat(gameState.oreMultipliers.diamond, "x"));
	moneyDisplay.x = 2048 / 2 - moneyDisplay.width / 2;
}
game.update = function () {
	miner.update();
	ores.forEach(function (ore) {
		if (ore.health > 0) {
			ore.healthBar.width = 60 * (ore.health / 10);
			ore.healthBar.fill = interpolateColor(0xFF0000, 0x00FF00, ore.health / 10);
		}
	});
};
// Helper functions
function interpolateColor(color1, color2, factor) {
	var r1 = color1 >> 16 & 0xff;
	var g1 = color1 >> 8 & 0xff;
	var b1 = color1 & 0xff;
	var r2 = color2 >> 16 & 0xff;
	var g2 = color2 >> 8 & 0xff;
	var b2 = color2 & 0xff;
	return Math.round(r1 + factor * (r2 - r1)) << 16 | Math.round(g1 + factor * (g2 - g1)) << 8 | Math.round(b1 + factor * (b2 - b1));
}
// Save system
LK.saveGame = function () {
	return gameState;
};
LK.loadGame = function (data) {
	gameState = data;
	updateUI();
};
// Initial setup
updateUI();

===================================================================
--- original.js
+++ change.js
@@ -301,10 +301,10 @@
 	var closeBtn = LK.getAsset('cancelButton', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	closeBtn.x = 2048 / 2 + 800;
-	closeBtn.y = 2732 / 2 - 900;
+	closeBtn.x = 2048 / 2 + 600;
+	closeBtn.y = 2732 / 2 - 700;
 	closeBtn.down = function () {
 		return game.removeChild(upgradeMenu);
 	};
 	upgradeMenu.addChild(closeBtn);