/**** 
* Classes
****/ 
// FlyingObject class
var FlyingObject = Container.expand(function () {
	var self = Container.call(this);
	var objectGraphics = self.attachAsset('flyingObject', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
		// Remove object if it moves off screen
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
// Line class
var Line = Container.expand(function () {
	var self = Container.call(this);
	self.drawLine = function (start, end) {
		var lineGraphics = self.attachAsset('line', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: start.x,
			y: start.y,
			width: end.x - start.x,
			height: end.y - start.y,
			color: 0xFF0000
		});
		self.addChild(lineGraphics);
	};
});

/**** 
* Initialize Game
****/ 
// Assets will be automatically created based on usage in the code.
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background 
});

/**** 
* Game Code
****/ 
var flyingObjects = [];
var score = 0;
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
// Function to spawn flying objects
function spawnFlyingObject() {
	var flyingObject = new FlyingObject();
	flyingObject.x = 2048 / 2;
	flyingObject.y = 2732 / 2;
	flyingObjects.push(flyingObject);
	game.addChild(flyingObject);
}
var line = new Line();
game.addChild(line);
var startPos = null;
// Handle drawing action
game.on('down', function (obj) {
	startPos = obj.event.getLocalPosition(game);
});
game.on('move', function (obj) {
	if (startPos) {
		var endPos = obj.event.getLocalPosition(game);
		line.drawLine(startPos, endPos);
		flyingObjects.forEach(function (object, index) {
			if (Math.abs(object.x - endPos.x) < 100 && Math.abs(object.y - endPos.y) < 100) {
				object.destroy(); // Destroy the object
				flyingObjects.splice(index, 1); // Remove from array
				score++; // Increase score
				scoreTxt.setText(score.toString()); // Update score display
			}
		});
	}
});
game.on('up', function (obj) {
	startPos = null;
	line.graphics.clear();
});
// Game tick function
LK.on('tick', function () {
	// Move flying objects
	flyingObjects.forEach(function (object) {
		object.move();
	});
	// Spawn a new flying object every 60 frames (about 1 second)
	if (LK.ticks % 60 === 0) {
		spawnFlyingObject();
	}
});
// Initialize the game with a flying object
spawnFlyingObject();

===================================================================
--- original.js
+++ change.js
@@ -19,15 +19,19 @@
 });
 // Line class
 var Line = Container.expand(function () {
 	var self = Container.call(this);
-	self.graphics = new Graphics();
-	self.addChild(self.graphics);
 	self.drawLine = function (start, end) {
-		self.graphics.clear();
-		self.graphics.lineStyle(4, 0xFF0000, 1);
-		self.graphics.moveTo(start.x, start.y);
-		self.graphics.lineTo(end.x, end.y);
+		var lineGraphics = self.attachAsset('line', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: start.x,
+			y: start.y,
+			width: end.x - start.x,
+			height: end.y - start.y,
+			color: 0xFF0000
+		});
+		self.addChild(lineGraphics);
 	};
 });
 
 /****