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

/**** 
* Classes
****/ 
var Item = Container.expand(function (itemType, enhanceLevel) {
	var self = Container.call(this);
	self.itemType = itemType || 'sword';
	self.enhanceLevel = enhanceLevel || 0;
	self.originalX = 0;
	self.originalY = 0;
	self.isDragging = false;
	// Create item graphics based on type
	var itemGraphics = self.attachAsset(self.itemType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Enhancement level text
	self.levelText = new Text2('+' + self.enhanceLevel, {
		size: 40,
		fill: 0xFFD700
	});
	self.levelText.anchor.set(0.5, 0.5);
	self.levelText.x = 0;
	self.levelText.y = -itemGraphics.height / 2 - 30;
	self.addChild(self.levelText);
	if (self.enhanceLevel === 0) {
		self.levelText.visible = false;
	}
	self.updateEnhanceLevel = function (newLevel) {
		self.enhanceLevel = newLevel;
		if (self.enhanceLevel === 0) {
			self.levelText.visible = false;
		} else {
			self.levelText.visible = true;
			self.levelText.setText('+' + self.enhanceLevel);
		}
	};
	self.setOriginalPosition = function (x, y) {
		self.originalX = x;
		self.originalY = y;
	};
	self.returnToOriginalPosition = function () {
		tween(self, {
			x: self.originalX,
			y: self.originalY
		}, {
			duration: 300
		});
	};
	self.down = function (x, y, obj) {
		self.isDragging = true;
		draggedItem = self;
	};
	self.up = function (x, y, obj) {
		self.isDragging = false;
		draggedItem = null;
	};
	return self;
});
var UpgradeEffect = Container.expand(function () {
	var self = Container.call(this);
	var glowEffect = self.attachAsset('upgrade_glow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	glowEffect.alpha = 0;
	glowEffect.scaleX = 0.5;
	glowEffect.scaleY = 0.5;
	self.playSuccessEffect = function () {
		// Create small round light point
		glowEffect.alpha = 0.8;
		glowEffect.scaleX = 0.3; // Small round point
		glowEffect.scaleY = 0.3; // Small round point
		glowEffect.x = -150; // Start from left
		glowEffect.y = 0; // Centered horizontally
		glowEffect.tint = 0xFFD700; // Golden color
		// First animation: light point moves at constant speed from left to right
		tween(glowEffect, {
			x: 150
		}, {
			duration: 800,
			// Faster constant speed
			easing: tween.linear,
			onFinish: function onFinish() {
				// Second animation: light point returns to left at same speed
				tween(glowEffect, {
					x: -150
				}, {
					duration: 800,
					easing: tween.linear,
					onFinish: function onFinish() {
						// Third animation: light point moves right again at same speed and fades
						tween(glowEffect, {
							x: 150,
							alpha: 0
						}, {
							duration: 800,
							easing: tween.linear
						});
					}
				});
			}
		});
	};
	self.playFailEffect = function () {
		// Create small round red light point
		glowEffect.alpha = 0.7;
		glowEffect.scaleX = 0.3; // Small round point
		glowEffect.scaleY = 0.3; // Small round point
		glowEffect.x = -150; // Start from left
		glowEffect.y = 0; // Centered horizontally
		glowEffect.tint = 0xFF0000; // Red color for failure
		// Animate red light point moving from left to right
		tween(glowEffect, {
			x: 150,
			alpha: 0
		}, {
			duration: 1200,
			easing: tween.easeOut
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F4F4F
});

/**** 
* Game Code
****/ 
var inventoryPanel = game.addChild(LK.getAsset('inventory_panel', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1366
}));
var anvilArea = game.addChild(LK.getAsset('anvil_area', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 800
}));
var upgradeEffect = game.addChild(new UpgradeEffect());
upgradeEffect.x = 1024;
upgradeEffect.y = 800;
// Create inventory items
var inventoryItems = [];
var itemTypes = ['sword', 'armor', 'helmet', 'shield', 'ring'];
var itemsPerRow = 5;
var itemSpacing = 150; // Reduced spacing to fit within panel
var startX = 1024 - (itemsPerRow - 1) * itemSpacing / 2;
var startY = 1450; // Adjusted to fit within panel bounds
for (var i = 0; i < 15; i++) {
	var itemType = itemTypes[i % itemTypes.length];
	var item = new Item(itemType, 0);
	var row = Math.floor(i / itemsPerRow);
	var col = i % itemsPerRow;
	item.x = startX + col * itemSpacing;
	item.y = startY + row * 120; // Reduced row spacing
	item.setOriginalPosition(item.x, item.y);
	inventoryItems.push(item);
	game.addChild(item);
}
// Game variables
var draggedItem = null;
var totalUpgrades = 0;
var successfulUpgrades = 0;
var maxItems = 15;
// UI Elements
var scoreTxt = new Text2('Upgrades: 0', {
	size: 80,
	fill: 0xFFD700
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var instructionTxt = new Text2('Drag items to anvil to upgrade', {
	size: 60,
	fill: 0xFFFFFF
});
instructionTxt.anchor.set(0.5, 0);
instructionTxt.x = 1024;
instructionTxt.y = 600;
game.addChild(instructionTxt);
// Upgrade success rates based on level
var upgradeRates = {
	0: 0.95,
	// +0 to +1
	1: 0.85,
	// +1 to +2
	2: 0.75,
	// +2 to +3
	3: 0.65,
	// +3 to +4
	4: 0.50,
	// +4 to +5
	5: 0.35,
	// +5 to +6
	6: 0.20,
	// +6 to +7
	7: 0.10 // +7 to +8
};
function attemptUpgrade(item) {
	if (item.enhanceLevel >= 8) {
		return; // Max level reached
	}
	var successRate = upgradeRates[item.enhanceLevel];
	var success = Math.random() < successRate;
	if (success) {
		// Successful upgrade
		item.updateEnhanceLevel(item.enhanceLevel + 1);
		upgradeEffect.playSuccessEffect();
		LK.getSound('upgrade_success').play();
		successfulUpgrades++;
		// Update score
		LK.setScore(successfulUpgrades);
		scoreTxt.setText('Upgrades: ' + successfulUpgrades);
		// Win condition
		if (successfulUpgrades >= 20) {
			LK.showYouWin();
		}
	} else {
		// Failed upgrade
		upgradeEffect.playFailEffect();
		LK.getSound('upgrade_fail').play();
		// Destroy item on failure
		var itemIndex = inventoryItems.indexOf(item);
		if (itemIndex > -1) {
			inventoryItems.splice(itemIndex, 1);
			item.destroy();
			maxItems--;
			// Check if no items left
			if (maxItems <= 0) {
				LK.setTimeout(function () {
					LK.showGameOver();
				}, 1000);
			}
		}
	}
	totalUpgrades++;
}
function isItemInAnvilArea(item) {
	var anvilBounds = {
		left: anvilArea.x - anvilArea.width / 2,
		right: anvilArea.x + anvilArea.width / 2,
		top: anvilArea.y - anvilArea.height / 2,
		bottom: anvilArea.y + anvilArea.height / 2
	};
	return item.x >= anvilBounds.left && item.x <= anvilBounds.right && item.y >= anvilBounds.top && item.y <= anvilBounds.bottom;
}
// Game event handlers
game.move = function (x, y, obj) {
	if (draggedItem) {
		draggedItem.x = x;
		draggedItem.y = y;
	}
};
game.down = function (x, y, obj) {
	// Check if clicking on anvil area with an item
	if (isItemInAnvilArea({
		x: x,
		y: y
	})) {
		for (var i = 0; i < inventoryItems.length; i++) {
			var item = inventoryItems[i];
			if (isItemInAnvilArea(item)) {
				attemptUpgrade(item);
				item.returnToOriginalPosition();
				break;
			}
		}
	}
};
game.up = function (x, y, obj) {
	if (draggedItem) {
		if (isItemInAnvilArea(draggedItem)) {
			attemptUpgrade(draggedItem);
		}
		draggedItem.returnToOriginalPosition();
		draggedItem = null;
	}
};
game.update = function () {
	// Update game state
	if (totalUpgrades > 50 && successfulUpgrades < 5) {
		LK.showGameOver();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -145,13 +145,13 @@
 var anvilArea = game.addChild(LK.getAsset('anvil_area', {
 	anchorX: 0.5,
 	anchorY: 0.5,
 	x: 1024,
-	y: 1100
+	y: 800
 }));
 var upgradeEffect = game.addChild(new UpgradeEffect());
 upgradeEffect.x = 1024;
-upgradeEffect.y = 1100;
+upgradeEffect.y = 800;
 // Create inventory items
 var inventoryItems = [];
 var itemTypes = ['sword', 'armor', 'helmet', 'shield', 'ring'];
 var itemsPerRow = 5;
@@ -186,9 +186,9 @@
 	fill: 0xFFFFFF
 });
 instructionTxt.anchor.set(0.5, 0);
 instructionTxt.x = 1024;
-instructionTxt.y = 800;
+instructionTxt.y = 600;
 game.addChild(instructionTxt);
 // Upgrade success rates based on level
 var upgradeRates = {
 	0: 0.95,