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

/**** 
* Classes
****/ 
// Coin class: clickable coin that gives bitcoin
var Coin = Container.expand(function () {
	var self = Container.call(this);
	// Attach coin asset, center anchor
	var coinGfx = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Animate coin (simple scale pulse)
	self.pulseTween = function () {
		tween(self, {
			scaleX: 1.15,
			scaleY: 1.15
		}, {
			duration: 120,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120,
					easing: tween.easeIn
				});
			}
		});
	};
	// On tap/click
	self.down = function (x, y, obj) {
		if (marketOpen) return; // Ignore if market is open
		self.pulseTween();
		addBitcoin(clickPower);
		showFloatingText("+" + formatNumber(clickPower), self.x, self.y);
	};
	return self;
});
// Market Button class (top-right)
var MarketButton = Container.expand(function () {
	var self = Container.call(this);
	var btn = self.attachAsset('marketBtn', {
		anchorX: 1,
		anchorY: 0
	});
	// Add text
	var txt = new Text2("Market", {
		size: 60,
		fill: "#fff"
	});
	txt.anchor.set(0.5, 0.5);
	txt.x = btn.width / 2;
	txt.y = btn.height / 2;
	self.addChild(txt);
	// On tap/click
	self.down = function (x, y, obj) {
		if (!marketOpen) openMarket();
	};
	return self;
});
// Market Overlay class
var MarketOverlay = Container.expand(function () {
	var self = Container.call(this);
	// Market background image (centered, not full screen)
	var marketBgWidth = 1400;
	var marketBgHeight = 2000;
	var bg = self.attachAsset('marketBg', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		width: marketBgWidth,
		height: marketBgHeight
	});
	bg.alpha = 0.92; // Slight transparency for overlay effect
	self.addChild(bg);
	// Title
	var title = new Text2("Market", {
		size: 120,
		fill: 0xFFD700
	});
	title.anchor.set(0.5, 0);
	title.x = 2048 / 2;
	title.y = 2732 / 2 - 2000 / 2 + 60;
	self.addChild(title);
	// Upgrades list
	self.upgradeButtons = [];
	// Close button (top right of market background)
	var closeBtn = self.attachAsset('closeBtn', {
		anchorX: 1,
		anchorY: 0,
		x: 2048 / 2 + 1400 / 2 - 40,
		y: 2732 / 2 - 2000 / 2 + 40
	});
	closeBtn.down = function (x, y, obj) {
		closeMarket();
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x181818
});

/**** 
* Game Code
****/ 
// Market background image (full screen, placeholder id)
// --- Global State ---
// Coin asset: gold ellipse
// Market button: blue box
// Upgrade button: green box
// Close button: red box
var bitcoin = 0;
var clickPower = 1;
var upgrades = [{
	id: "mult1",
	name: "Click Power x2",
	desc: "Double your click power.",
	cost: 50,
	owned: false,
	apply: function apply() {
		clickPower *= 2;
	}
}, {
	id: "mult2",
	name: "Click Power x3",
	desc: "Triple your click power.",
	cost: 250,
	owned: false,
	apply: function apply() {
		clickPower *= 3;
	}
}, {
	id: "autoclick1",
	name: "Auto-Clicker",
	desc: "Earn 1 bitcoin per second automatically.",
	cost: 100,
	owned: false,
	apply: function apply() {
		startAutoClicker(1);
	}
}, {
	id: "autoclick2",
	name: "Auto-Clicker+",
	desc: "Earn 5 bitcoin per second automatically.",
	cost: 500,
	owned: false,
	apply: function apply() {
		startAutoClicker(5);
	}
}];
var marketOpen = false;
var coin = null;
var marketBtn = null;
var marketOverlay = null;
var bitcoinTxt = null;
var floatingTexts = [];
var autoClickerInterval = null;
var autoClickerAmount = 0;
// --- Utility Functions ---
function formatNumber(n) {
	if (n >= 1e9) return (n / 1e9).toFixed(2) + "B";
	if (n >= 1e6) return (n / 1e6).toFixed(2) + "M";
	if (n >= 1e3) return (n / 1e3).toFixed(2) + "K";
	return "" + Math.floor(n);
}
function addBitcoin(amount) {
	bitcoin += amount;
	updateBitcoinText();
}
function updateBitcoinText() {
	bitcoinTxt.setText("₿ " + formatNumber(bitcoin));
}
function showFloatingText(text, x, y) {
	var txt = new Text2(text, {
		size: 70,
		fill: 0xFFD700
	});
	txt.anchor.set(0.5, 0.5);
	txt.x = x;
	txt.y = y;
	game.addChild(txt);
	floatingTexts.push(txt);
	// Animate up and fade out
	tween(txt, {
		y: y - 120,
		alpha: 0
	}, {
		duration: 900,
		easing: tween.cubicOut,
		onFinish: function onFinish() {
			txt.destroy();
			var idx = floatingTexts.indexOf(txt);
			if (idx !== -1) floatingTexts.splice(idx, 1);
		}
	});
}
function openMarket() {
	if (marketOpen) return;
	marketOpen = true;
	marketOverlay = new MarketOverlay();
	// Add upgrade buttons
	var marketBgWidth = 1400;
	var marketBgHeight = 2000;
	var startY = 2732 / 2 - marketBgHeight / 2 + 220;
	var gapY = 220;
	for (var i = 0; i < upgrades.length; ++i) {
		var upg = upgrades[i];
		// Button text
		var upgTxt = new Text2(upg.name + (upg.owned ? " (Owned)" : ""), {
			size: 60,
			fill: upg.owned ? "#bbb" : "#fff"
		});
		upgTxt.anchor.set(0.5, 0);
		upgTxt.x = 2048 / 2;
		upgTxt.y = startY + i * gapY + 18;
		marketOverlay.addChild(upgTxt);
		// Description
		var descTxt = new Text2(upg.desc, {
			size: 38,
			fill: 0xE0E0E0
		});
		descTxt.anchor.set(0.5, 0);
		descTxt.x = 2048 / 2;
		descTxt.y = startY + i * gapY + 80;
		marketOverlay.addChild(descTxt);
		// Cost
		var costTxt = new Text2("Cost: " + formatNumber(upg.cost) + " ₿", {
			size: 38,
			fill: upg.owned ? "#bbb" : "#ffd700"
		});
		costTxt.anchor.set(0.5, 0);
		costTxt.x = 2048 / 2;
		costTxt.y = startY + i * gapY + 130;
		marketOverlay.addChild(costTxt);
		// Create button and add to overlay after text/desc/cost
		var btn = LK.getAsset('upgradeBtn', {
			anchorX: 0.5,
			anchorY: 0,
			x: 2048 / 2,
			y: startY + i * gapY
		});
		marketOverlay.addChild(btn);
		marketOverlay.upgradeButtons.push(btn);
		// Multi-purchase upgrades with increasing cost
		if (typeof upg.count === "undefined") upg.count = 0;
		if (typeof upg.baseCost === "undefined") upg.baseCost = upg.cost;
		(function (upg, btn, upgTxt, costTxt) {
			btn.down = function (x, y, obj) {
				// If not enough bitcoin, flash red
				if (bitcoin < upg.cost) {
					LK.effects.flashObject(btn, 0xff0000, 400);
					return;
				}
				// Purchase upgrade
				bitcoin -= upg.cost;
				upg.count = (upg.count || 0) + 1;
				upg.owned = true; // For legacy code, but we now allow multi-buy
				upg.apply();
				updateBitcoinText();
				showFloatingText("-" + formatNumber(upg.cost), btn.x, btn.y + 40);
				// Increase cost for next purchase (1.5x, rounded up)
				upg.cost = Math.ceil(upg.baseCost * Math.pow(1.5, upg.count));
				// Update UI
				upgTxt.setText(upg.name + (upg.count > 0 ? " (x" + upg.count + ")" : ""));
				costTxt.setText("Cost: " + formatNumber(upg.cost) + " ₿");
				if (costTxt.style) costTxt.style.fill = "#ffd700";
				if (upgTxt.style) upgTxt.style.fill = "#fff";
			};
		})(upg, btn, upgTxt, costTxt);
	}
	// Add overlay to game
	game.addChild(marketOverlay);
}
function closeMarket() {
	if (!marketOpen) return;
	if (marketOverlay) {
		marketOverlay.destroy();
		marketOverlay = null;
	}
	marketOpen = false;
}
// Start or increase auto-clicker
function startAutoClicker(amount) {
	autoClickerAmount += amount;
	if (!autoClickerInterval) {
		autoClickerInterval = LK.setInterval(function () {
			if (!marketOpen) {
				addBitcoin(autoClickerAmount);
				showFloatingText("+" + formatNumber(autoClickerAmount), coin.x, coin.y - coin.height / 2 - 30);
			}
		}, 1000);
	}
}
// --- UI Setup ---
// Bitcoin text (top center, below safe area)
bitcoinTxt = new Text2("₿ 0", {
	size: 110,
	fill: 0xFFD700
});
bitcoinTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(bitcoinTxt);
// Market button (top right, below safe area)
marketBtn = new MarketButton();
marketBtn.x = 0;
marketBtn.y = 0;
LK.gui.topRight.addChild(marketBtn);
// Coin (centered)
coin = new Coin();
coin.x = 2048 / 2;
coin.y = 2732 / 2 + 120;
game.addChild(coin);
// --- Game Update Loop ---
game.update = function () {
	// Animate floating texts (handled by tween, but clean up if any remain)
	for (var i = floatingTexts.length - 1; i >= 0; --i) {
		var txt = floatingTexts[i];
		if (txt.alpha <= 0.01) {
			txt.destroy();
			floatingTexts.splice(i, 1);
		}
	}
	// No other per-frame logic needed for MVP
};
// --- Initial State ---
updateBitcoinText();

===================================================================
--- original.js
+++ change.js
@@ -215,44 +215,44 @@
 	var startY = 2732 / 2 - marketBgHeight / 2 + 220;
 	var gapY = 220;
 	for (var i = 0; i < upgrades.length; ++i) {
 		var upg = upgrades[i];
-		// Create button first and add to overlay before adding text/desc/cost
-		var btn = LK.getAsset('upgradeBtn', {
-			anchorX: 0.5,
-			anchorY: 0,
-			x: 2048 / 2,
-			y: startY + i * gapY
-		});
-		marketOverlay.addChild(btn);
-		marketOverlay.upgradeButtons.push(btn);
 		// Button text
 		var upgTxt = new Text2(upg.name + (upg.owned ? " (Owned)" : ""), {
 			size: 60,
 			fill: upg.owned ? "#bbb" : "#fff"
 		});
 		upgTxt.anchor.set(0.5, 0);
-		upgTxt.x = btn.width / 2;
-		upgTxt.y = 18;
-		btn.addChild(upgTxt);
+		upgTxt.x = 2048 / 2;
+		upgTxt.y = startY + i * gapY + 18;
+		marketOverlay.addChild(upgTxt);
 		// Description
 		var descTxt = new Text2(upg.desc, {
 			size: 38,
 			fill: 0xE0E0E0
 		});
 		descTxt.anchor.set(0.5, 0);
-		descTxt.x = btn.width / 2;
-		descTxt.y = 80;
-		btn.addChild(descTxt);
+		descTxt.x = 2048 / 2;
+		descTxt.y = startY + i * gapY + 80;
+		marketOverlay.addChild(descTxt);
 		// Cost
 		var costTxt = new Text2("Cost: " + formatNumber(upg.cost) + " ₿", {
 			size: 38,
 			fill: upg.owned ? "#bbb" : "#ffd700"
 		});
 		costTxt.anchor.set(0.5, 0);
-		costTxt.x = btn.width / 2;
-		costTxt.y = 130;
-		btn.addChild(costTxt);
+		costTxt.x = 2048 / 2;
+		costTxt.y = startY + i * gapY + 130;
+		marketOverlay.addChild(costTxt);
+		// Create button and add to overlay after text/desc/cost
+		var btn = LK.getAsset('upgradeBtn', {
+			anchorX: 0.5,
+			anchorY: 0,
+			x: 2048 / 2,
+			y: startY + i * gapY
+		});
+		marketOverlay.addChild(btn);
+		marketOverlay.upgradeButtons.push(btn);
 		// Multi-purchase upgrades with increasing cost
 		if (typeof upg.count === "undefined") upg.count = 0;
 		if (typeof upg.baseCost === "undefined") upg.baseCost = upg.cost;
 		(function (upg, btn, upgTxt, costTxt) {