/**** 
* Classes
****/ 
// Beam class
var Beam = Container.expand(function () {
	var self = Container.call(this);
	var beamGraphics = self.attachAsset('beam', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	beamGraphics.rotation = -Math.PI / 2;
	self.update = function () {
		// Beam movement logic will be handled in the game move event
	};
});
// Cow class
var Cow = Container.expand(function () {
	var self = Container.call(this);
	var cowGraphics = self.attachAsset('cow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Prevent cows from moving past the guards
		if (this.x < guards[0].x) {
			this.x = guards[0].x;
		}
		if (this.x > guards[1].x) {
			this.x = guards[1].x;
		}
	};
});
// Fence class
var Fence = Container.expand(function () {
	var self = Container.call(this);
	var fenceGraphics = self.attachAsset('fence', {
		anchorX: 0.5,
		anchorY: 1.0
	});
});
// Ground class
var Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0.5,
		anchorY: 1.0
	});
});
// Moon class
var Moon = Container.expand(function () {
	var self = Container.call(this);
	var moonGraphics = self.attachAsset('moon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Moon shining animation logic
		this.alpha = 0.5 + Math.sin(LK.ticks / 30) / 2; // Create a shining effect by changing the alpha value
	};
});
// SecurityGuard class
var SecurityGuard = Container.expand(function () {
	var self = Container.call(this);
	var guardGraphics = self.attachAsset('guard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Security guard patrol logic can be added here if needed
	};
});
// StarrySky class
var StarrySky = Container.expand(function () {
	var self = Container.call(this);
	var starrySkyGraphics = self.attachAsset('starrySky', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Starry sky animation logic
		this.alpha = 0.5 + Math.sin(LK.ticks / 120) / 2; // Create a shining effect by changing the alpha value
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// UFO class
var UFO = Container.expand(function () {
	var self = Container.call(this);
	var ufoGraphics = self.attachAsset('ufo', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// UFO movement logic will be handled in the game move event
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background
});

/**** 
* Game Code
****/ 
var starrySky = game.addChild(new StarrySky());
starrySky.x = 1024; // Center horizontally
starrySky.y = 1366; // Center vertically
// Initialize variables
var ground = game.addChild(new Ground());
var moon = game.addChild(new Moon());
moon.x = 2048 - moon.width / 2; // Position moon at the upper right corner
moon.y = moon.height / 2;
ground.x = 1024; // Center horizontally
ground.y = 2732; // Bottom of the screen
var fence = game.addChild(new Fence());
fence.x = 1024; // Center horizontally
fence.y = 2732; // Bottom of the screen
var ufo = game.addChild(new UFO());
ufo.x = 1024; // Center horizontally
ufo.y = 500; // Upper half of the screen
var cows = [];
var guards = [];
var sucking = false;
var suckStartTime = 0;
// Create cows
for (var i = 0; i < 10; i++) {
	var cow = new Cow();
	do {
		cow.x = Math.random() * 2048;
		cow.y = 2000 + Math.random() * 500; // Lower half of the screen
	} while (cows.some(function (existingCow) {
		return Math.abs(existingCow.x - cow.x) < 50 && Math.abs(existingCow.y - cow.y) < 50;
	}));
	cows.push(cow);
	game.addChild(cow);
}
// Create security guards
for (var i = 0; i < 2; i++) {
	var guard = new SecurityGuard();
	guard.x = i * 2048 + (i == 0 ? 200 : -200); // Position guards at each side of the screen but 200 units closer to the center
	guard.y = 2600; // Bottom of the screen
	guards.push(guard);
	game.addChild(guard);
}
// Handle UFO movement
game.move = function (x, y, obj) {
	ufo.x = x;
	ufo.y = Math.min(y, 1366); // Restrict to upper half
};
// Handle mouse down event
game.down = function (x, y, obj) {
	sucking = true;
	suckStartTime = Date.now();
	beam = new Beam();
	beam.x = ufo.x;
	beam.y = ufo.y;
	game.addChild(beam);
	beam.update = function () {
		this.y -= 5; // Move the beam upwards by 5 units every frame
	};
};
// Handle mouse up event
game.up = function (x, y, obj) {
	sucking = false;
	if (beam) {
		beam.destroy();
		beam = null;
	}
};
// Game update loop
game.update = function () {
	if (sucking) {
		var currentTime = Date.now();
		if (currentTime - suckStartTime > 6000) {
			// Game over logic
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			if (beam) {
				beam.destroy();
				beam = null;
			}
		} else {
			// Suck cows
			for (var i = cows.length - 1; i >= 0; i--) {
				if (Math.abs(cows[i].x - ufo.x) < 50 && Math.abs(cows[i].y - ufo.y) < 50) {
					cows[i].destroy();
					cows.splice(i, 1);
				}
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -157,8 +157,11 @@
 	beam = new Beam();
 	beam.x = ufo.x;
 	beam.y = ufo.y;
 	game.addChild(beam);
+	beam.update = function () {
+		this.y -= 5; // Move the beam upwards by 5 units every frame
+	};
 };
 // Handle mouse up event
 game.up = function (x, y, obj) {
 	sucking = false;