/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	playerResources: 0,
	totalKills: 0
});

/**** 
* Classes
****/ 
// Base class
var Base = Container.expand(function () {
	var self = Container.call(this);
	var baseGraphics = self.attachAsset('playerBase', {
		anchorX: 0.5,
		anchorY: 1
	});
	var healthBar = self.addChild(new HealthBar());
	healthBar.y = -180;
	self.maxHealth = 200;
	self.health = 200;
	self.color = 0x4169E1;
	self.takeDamage = function (dmg) {
		self.health -= dmg;
		healthBar.setHealth(self.health, self.maxHealth);
	};
	self.setColor = function (color) {
		self.color = color;
		baseGraphics.tint = color;
	};
	return self;
});
// Cat Unit Base Class
var CatUnit = Container.expand(function () {
	var self = Container.call(this);
	var catGraphics = self.attachAsset('catNormal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var healthBar = self.addChild(new HealthBar());
	healthBar.y = -50;
	self.maxHealth = 30;
	self.health = 30;
	self.damage = 5;
	self.speed = 2;
	self.direction = -1; // -1 for left, 1 for right
	self.gravity = 0.3;
	self.velocityY = 0;
	self.onGround = false;
	self.groundLevel = 2732 - 100 - 40;
	self.lastX = self.x;
	self.takeDamage = function (dmg) {
		self.health -= dmg;
		healthBar.setHealth(self.health, self.maxHealth);
		if (self.health <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
	self.update = function () {
		self.lastX = self.x;
		// Apply gravity
		if (self.y < self.groundLevel) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
		} else {
			self.y = self.groundLevel;
			self.velocityY = 0;
			self.onGround = true;
		}
		// Move horizontally
		self.x += self.speed * self.direction;
	};
	return self;
});
// Tank Cat
var CatTank = CatUnit.expand(function () {
	var self = CatUnit.call(this);
	self.attachAsset('catTank', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 60;
	self.health = 60;
	self.damage = 3;
	self.speed = 1;
	self.cost = 100;
	return self;
});
// Normal Cat
var CatNormal = CatUnit.expand(function () {
	var self = CatUnit.call(this);
	var catGraphics = LK.getAsset('catNormal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.attachAsset('catNormal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 30;
	self.health = 30;
	self.damage = 5;
	self.speed = 2;
	self.cost = 50;
	return self;
});
// Axe Cat
var CatAxe = CatUnit.expand(function () {
	var self = CatUnit.call(this);
	self.attachAsset('catAxe', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 40;
	self.health = 40;
	self.damage = 10;
	self.speed = 1.5;
	self.cost = 150;
	return self;
});
// Enemy Unit Base Class
var EnemyUnit = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('dog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var healthBar = self.addChild(new HealthBar());
	healthBar.y = -50;
	self.maxHealth = 25;
	self.health = 25;
	self.damage = 4;
	self.speed = 1.5;
	self.direction = 1; // 1 for right
	self.gravity = 0.3;
	self.velocityY = 0;
	self.onGround = false;
	self.groundLevel = 2732 - 100 - 40;
	self.lastX = self.x;
	self.takeDamage = function (dmg) {
		self.health -= dmg;
		healthBar.setHealth(self.health, self.maxHealth);
		if (self.health <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
	self.update = function () {
		self.lastX = self.x;
		// Apply gravity
		if (self.y < self.groundLevel) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
		} else {
			self.y = self.groundLevel;
			self.velocityY = 0;
			self.onGround = true;
		}
		// Move horizontally
		self.x += self.speed * self.direction;
	};
	return self;
});
// Snake Enemy
var Snake = EnemyUnit.expand(function () {
	var self = EnemyUnit.call(this);
	self.attachAsset('snake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 35;
	self.health = 35;
	self.damage = 8;
	self.speed = 1;
	return self;
});
// Pig Enemy
var Pig = EnemyUnit.expand(function () {
	var self = EnemyUnit.call(this);
	self.attachAsset('pig', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 50;
	self.health = 50;
	self.damage = 6;
	self.speed = 0.8;
	return self;
});
// Dog Enemy
var Dog = EnemyUnit.expand(function () {
	var self = EnemyUnit.call(this);
	self.attachAsset('dog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.maxHealth = 25;
	self.health = 25;
	self.damage = 4;
	self.speed = 1.5;
	return self;
});
// Health Bar class
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	var maxHealth = 100;
	var currentHealth = 100;
	var background = LK.getAsset('background', {
		width: 40,
		height: 8,
		color: 0x000000
	});
	var healthFill = LK.getAsset('healthFill', {
		width: 40,
		height: 8,
		color: 0x00FF00
	});
	self.addChild(background);
	self.addChild(healthFill);
	self.setHealth = function (health, max) {
		maxHealth = max;
		currentHealth = health;
		var percent = Math.max(0, currentHealth / maxHealth);
		healthFill.width = 40 * percent;
		if (percent > 0.5) {
			healthFill.tint = 0x00FF00;
		} else if (percent > 0.25) {
			healthFill.tint = 0xFFFF00;
		} else {
			healthFill.tint = 0xFF0000;
		}
	};
	return self;
});
// Shop Button
var ShopButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('shopButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var label = self.addChild(new Text2('SHOP', {
		size: 24,
		fill: 0x000000
	}));
	label.anchor.set(0.5, 0.5);
	self.cost = 0;
	self.unitType = 'normal';
	self.down = function (x, y, obj) {
		// Handle button press
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Sounds
// UI Elements
// Ground
// Bases
// Enemies
// Cats
// Add ground
var ground = game.addChild(LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 1
}));
ground.x = 0;
ground.y = 2732;
// Create bases
var playerBase = game.addChild(new Base());
playerBase.x = 2048 - 100;
playerBase.y = 2732 - 100;
playerBase.setColor(0x4169E1);
var enemyBase = game.addChild(new Base());
enemyBase.x = 100;
enemyBase.y = 2732 - 100;
enemyBase.setColor(0xDC143C);
// Arrays for units
var catUnits = [];
var enemyUnits = [];
// Game state
var playerResources = storage.playerResources || 50;
var enemyResources = 50;
var gameOver = false;
var passiveMoneyPerTick = 0.016666; // 1 money per millisecond at 60 FPS
var accumulatedMoney = 0;
// UI - Resources display
var resourceText = new Text2('Resources: ' + Math.floor(playerResources), {
	size: 60,
	fill: 0x000000
});
resourceText.anchor.set(0.5, 0);
LK.gui.top.addChild(resourceText);
// Shop buttons - positioned at center
var normalCatButton = new Container();
normalCatButton.x = 1024 - 150;
normalCatButton.y = 150;
var normalButtonGraphics = normalCatButton.attachAsset('catNormal', {
	anchorX: 0.5,
	anchorY: 0.5
});
var normalCostText = normalCatButton.addChild(new Text2('50', {
	size: 24,
	fill: 0xFFFFFF
}));
normalCostText.anchor.set(0.5, 0.5);
normalCostText.y = 40;
normalCatButton.interactive = true;
normalCatButton.down = function (x, y, obj) {
	if (playerResources >= 50) {
		var newCat = game.addChild(new CatNormal());
		newCat.x = playerBase.x - 100;
		newCat.y = playerBase.y - 100;
		newCat.direction = -1;
		catUnits.push(newCat);
		playerResources -= 50;
		storage.playerResources = playerResources;
		resourceText.setText('Resources: ' + Math.floor(playerResources));
		LK.getSound('spawn').play();
	}
};
normalCatButton.buttonMode = true;
LK.gui.top.addChild(normalCatButton);
var tankCatButton = new Container();
tankCatButton.x = 1024;
tankCatButton.y = 150;
var tankButtonGraphics = tankCatButton.attachAsset('catTank', {
	anchorX: 0.5,
	anchorY: 0.5
});
var tankCostText = tankCatButton.addChild(new Text2('100', {
	size: 24,
	fill: 0xFFFFFF
}));
tankCostText.anchor.set(0.5, 0.5);
tankCostText.y = 50;
tankCatButton.interactive = true;
tankCatButton.down = function (x, y, obj) {
	if (playerResources >= 100) {
		var newCat = game.addChild(new CatTank());
		newCat.x = playerBase.x - 100;
		newCat.y = playerBase.y - 100;
		newCat.direction = -1;
		catUnits.push(newCat);
		playerResources -= 100;
		storage.playerResources = playerResources;
		resourceText.setText('Resources: ' + Math.floor(playerResources));
		LK.getSound('spawn').play();
	}
};
tankCatButton.buttonMode = true;
LK.gui.top.addChild(tankCatButton);
var axeCatButton = new Container();
axeCatButton.x = 1024 + 150;
axeCatButton.y = 150;
var axeButtonGraphics = axeCatButton.attachAsset('catAxe', {
	anchorX: 0.5,
	anchorY: 0.5
});
var axeCostText = axeCatButton.addChild(new Text2('150', {
	size: 24,
	fill: 0xFFFFFF
}));
axeCostText.anchor.set(0.5, 0.5);
axeCostText.y = 45;
axeCatButton.interactive = true;
axeCatButton.down = function (x, y, obj) {
	if (playerResources >= 150) {
		var newCat = game.addChild(new CatAxe());
		newCat.x = playerBase.x - 100;
		newCat.y = playerBase.y - 100;
		newCat.direction = -1;
		catUnits.push(newCat);
		playerResources -= 150;
		storage.playerResources = playerResources;
		resourceText.setText('Resources: ' + Math.floor(playerResources));
		LK.getSound('spawn').play();
	}
};
axeCatButton.buttonMode = true;
LK.gui.top.addChild(axeCatButton);
// Enemy spawn timer
var enemySpawnTimer = LK.setInterval(function () {
	if (gameOver) return;
	if (enemyResources >= 10) {
		var enemyType = Math.floor(Math.random() * 3);
		var newEnemy;
		if (enemyType === 0) {
			newEnemy = new Dog();
			enemyResources -= 10;
		} else if (enemyType === 1) {
			newEnemy = new Snake();
			enemyResources -= 15;
		} else {
			newEnemy = new Pig();
			enemyResources -= 20;
		}
		newEnemy = game.addChild(newEnemy);
		newEnemy.x = enemyBase.x + 100;
		newEnemy.y = enemyBase.y - 100;
		newEnemy.direction = 1;
		enemyUnits.push(newEnemy);
		LK.getSound('spawn').play();
	}
}, 2000);
// Main game update
game.update = function () {
	if (gameOver) return;
	// Passive money generation - 1 money per millisecond
	accumulatedMoney += passiveMoneyPerTick;
	if (accumulatedMoney >= 1) {
		var moneyGained = Math.floor(accumulatedMoney);
		playerResources += moneyGained;
		accumulatedMoney -= moneyGained;
		storage.playerResources = playerResources;
		resourceText.setText('Resources: ' + Math.floor(playerResources));
	}
	// Enemy resource regeneration
	enemyResources += 0.0333; // ~2 per second at 60 FPS
	// Update all cat units
	for (var i = catUnits.length - 1; i >= 0; i--) {
		var cat = catUnits[i];
		cat.update();
		// Remove if off-screen
		if (cat.x < -100 || cat.x > 2048 + 100 || cat.y > 2732 + 100) {
			cat.destroy();
			catUnits.splice(i, 1);
			continue;
		}
		// Check collision with enemy base
		if (cat.intersects(enemyBase)) {
			enemyBase.takeDamage(cat.damage);
			if (enemyBase.health <= 0) {
				gameOver = true;
				LK.showYouWin();
			}
		}
	}
	// Update all enemy units
	for (var i = enemyUnits.length - 1; i >= 0; i--) {
		var enemy = enemyUnits[i];
		enemy.update();
		// Remove if off-screen
		if (enemy.x < -100 || enemy.x > 2048 + 100 || enemy.y > 2732 + 100) {
			enemy.destroy();
			enemyUnits.splice(i, 1);
			continue;
		}
		// Check collision with player base
		if (enemy.intersects(playerBase)) {
			playerBase.takeDamage(enemy.damage);
			if (playerBase.health <= 0) {
				gameOver = true;
				LK.showGameOver();
			}
		}
	}
	// Collision detection between cats and enemies
	for (var i = 0; i < catUnits.length; i++) {
		var cat = catUnits[i];
		for (var j = enemyUnits.length - 1; j >= 0; j--) {
			var enemy = enemyUnits[j];
			if (cat.intersects(enemy)) {
				LK.getSound('hit').play();
				var enemyDied = enemy.takeDamage(cat.damage);
				var catDied = cat.takeDamage(enemy.damage);
				if (enemyDied) {
					playerResources += 15;
					storage.playerResources = playerResources;
					resourceText.setText('Resources: ' + Math.floor(playerResources));
					enemyUnits.splice(j, 1);
				}
				if (catDied) {
					catUnits.splice(i, 1);
					i--;
					break;
				}
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1,8 +1,12 @@
 /**** 
 * Plugins
 ****/ 
 var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1", {
+	playerResources: 0,
+	totalKills: 0
+});
 
 /**** 
 * Classes
 ****/ 
@@ -82,9 +86,9 @@
 	self.maxHealth = 60;
 	self.health = 60;
 	self.damage = 3;
 	self.speed = 1;
-	self.cost = 20;
+	self.cost = 100;
 	return self;
 });
 // Normal Cat
 var CatNormal = CatUnit.expand(function () {
@@ -100,9 +104,9 @@
 	self.maxHealth = 30;
 	self.health = 30;
 	self.damage = 5;
 	self.speed = 2;
-	self.cost = 10;
+	self.cost = 50;
 	return self;
 });
 // Axe Cat
 var CatAxe = CatUnit.expand(function () {
@@ -114,9 +118,9 @@
 	self.maxHealth = 40;
 	self.health = 40;
 	self.damage = 10;
 	self.speed = 1.5;
-	self.cost = 25;
+	self.cost = 150;
 	return self;
 });
 // Enemy Unit Base Class
 var EnemyUnit = Container.expand(function () {
@@ -288,104 +292,108 @@
 // Arrays for units
 var catUnits = [];
 var enemyUnits = [];
 // Game state
-var playerResources = 50;
+var playerResources = storage.playerResources || 50;
 var enemyResources = 50;
 var gameOver = false;
+var passiveMoneyPerTick = 0.016666; // 1 money per millisecond at 60 FPS
+var accumulatedMoney = 0;
 // UI - Resources display
-var resourceText = new Text2('Resources: ' + playerResources, {
+var resourceText = new Text2('Resources: ' + Math.floor(playerResources), {
 	size: 60,
 	fill: 0x000000
 });
-resourceText.anchor.set(0, 0);
+resourceText.anchor.set(0.5, 0);
 LK.gui.top.addChild(resourceText);
-// Shop buttons
-var shopContainer = LK.gui.topLeft;
+// Shop buttons - positioned at center
 var normalCatButton = new Container();
-normalCatButton.x = 50;
+normalCatButton.x = 1024 - 150;
 normalCatButton.y = 150;
 var normalButtonGraphics = normalCatButton.attachAsset('catNormal', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
-var normalCostText = normalCatButton.addChild(new Text2('10', {
+var normalCostText = normalCatButton.addChild(new Text2('50', {
 	size: 24,
 	fill: 0xFFFFFF
 }));
 normalCostText.anchor.set(0.5, 0.5);
 normalCostText.y = 40;
 normalCatButton.interactive = true;
 normalCatButton.down = function (x, y, obj) {
-	if (playerResources >= 10) {
+	if (playerResources >= 50) {
 		var newCat = game.addChild(new CatNormal());
 		newCat.x = playerBase.x - 100;
 		newCat.y = playerBase.y - 100;
 		newCat.direction = -1;
 		catUnits.push(newCat);
-		playerResources -= 10;
-		resourceText.setText('Resources: ' + playerResources);
+		playerResources -= 50;
+		storage.playerResources = playerResources;
+		resourceText.setText('Resources: ' + Math.floor(playerResources));
 		LK.getSound('spawn').play();
 	}
 };
 normalCatButton.buttonMode = true;
-LK.gui.topLeft.addChild(normalCatButton);
+LK.gui.top.addChild(normalCatButton);
 var tankCatButton = new Container();
-tankCatButton.x = 50;
-tankCatButton.y = 270;
+tankCatButton.x = 1024;
+tankCatButton.y = 150;
 var tankButtonGraphics = tankCatButton.attachAsset('catTank', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
-var tankCostText = tankCatButton.addChild(new Text2('20', {
+var tankCostText = tankCatButton.addChild(new Text2('100', {
 	size: 24,
 	fill: 0xFFFFFF
 }));
 tankCostText.anchor.set(0.5, 0.5);
 tankCostText.y = 50;
 tankCatButton.interactive = true;
 tankCatButton.down = function (x, y, obj) {
-	if (playerResources >= 20) {
+	if (playerResources >= 100) {
 		var newCat = game.addChild(new CatTank());
 		newCat.x = playerBase.x - 100;
 		newCat.y = playerBase.y - 100;
 		newCat.direction = -1;
 		catUnits.push(newCat);
-		playerResources -= 20;
-		resourceText.setText('Resources: ' + playerResources);
+		playerResources -= 100;
+		storage.playerResources = playerResources;
+		resourceText.setText('Resources: ' + Math.floor(playerResources));
 		LK.getSound('spawn').play();
 	}
 };
 tankCatButton.buttonMode = true;
-LK.gui.topLeft.addChild(tankCatButton);
+LK.gui.top.addChild(tankCatButton);
 var axeCatButton = new Container();
-axeCatButton.x = 50;
-axeCatButton.y = 390;
+axeCatButton.x = 1024 + 150;
+axeCatButton.y = 150;
 var axeButtonGraphics = axeCatButton.attachAsset('catAxe', {
 	anchorX: 0.5,
 	anchorY: 0.5
 });
-var axeCostText = axeCatButton.addChild(new Text2('25', {
+var axeCostText = axeCatButton.addChild(new Text2('150', {
 	size: 24,
 	fill: 0xFFFFFF
 }));
 axeCostText.anchor.set(0.5, 0.5);
 axeCostText.y = 45;
 axeCatButton.interactive = true;
 axeCatButton.down = function (x, y, obj) {
-	if (playerResources >= 25) {
+	if (playerResources >= 150) {
 		var newCat = game.addChild(new CatAxe());
 		newCat.x = playerBase.x - 100;
 		newCat.y = playerBase.y - 100;
 		newCat.direction = -1;
 		catUnits.push(newCat);
-		playerResources -= 25;
-		resourceText.setText('Resources: ' + playerResources);
+		playerResources -= 150;
+		storage.playerResources = playerResources;
+		resourceText.setText('Resources: ' + Math.floor(playerResources));
 		LK.getSound('spawn').play();
 	}
 };
 axeCatButton.buttonMode = true;
-LK.gui.topLeft.addChild(axeCatButton);
+LK.gui.top.addChild(axeCatButton);
 // Enemy spawn timer
 var enemySpawnTimer = LK.setInterval(function () {
 	if (gameOver) return;
 	if (enemyResources >= 10) {
@@ -408,19 +416,22 @@
 		enemyUnits.push(newEnemy);
 		LK.getSound('spawn').play();
 	}
 }, 2000);
-// Resource regeneration
-var resourceRegenTimer = LK.setInterval(function () {
-	if (!gameOver) {
-		playerResources += 2;
-		enemyResources += 2;
-		resourceText.setText('Resources: ' + playerResources);
-	}
-}, 3000);
 // Main game update
 game.update = function () {
 	if (gameOver) return;
+	// Passive money generation - 1 money per millisecond
+	accumulatedMoney += passiveMoneyPerTick;
+	if (accumulatedMoney >= 1) {
+		var moneyGained = Math.floor(accumulatedMoney);
+		playerResources += moneyGained;
+		accumulatedMoney -= moneyGained;
+		storage.playerResources = playerResources;
+		resourceText.setText('Resources: ' + Math.floor(playerResources));
+	}
+	// Enemy resource regeneration
+	enemyResources += 0.0333; // ~2 per second at 60 FPS
 	// Update all cat units
 	for (var i = catUnits.length - 1; i >= 0; i--) {
 		var cat = catUnits[i];
 		cat.update();
@@ -467,10 +478,11 @@
 				LK.getSound('hit').play();
 				var enemyDied = enemy.takeDamage(cat.damage);
 				var catDied = cat.takeDamage(enemy.damage);
 				if (enemyDied) {
-					playerResources += 5;
-					resourceText.setText('Resources: ' + playerResources);
+					playerResources += 15;
+					storage.playerResources = playerResources;
+					resourceText.setText('Resources: ' + Math.floor(playerResources));
 					enemyUnits.splice(j, 1);
 				}
 				if (catDied) {
 					catUnits.splice(i, 1);