/**** 
* Classes
****/ 
// Class for the coin
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Class for the laser
var Laser = Container.expand(function () {
	var self = Container.call(this);
	var laserGraphics = self.attachAsset('laser', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.direction = Math.random() < 0.5 ? 1 : -1; // Random initial direction
	self.update = function () {
		// Move the laser
		self.x += self.speed * self.direction;
		// Change direction if it hits a wall
		if (self.x <= 0 || self.x >= 2048) {
			self.direction *= -1;
		}
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y += self.speed; // Update player's vertical position
		self.speed += 1; // Apply gravity
		if (self.y > 2500) {
			// Prevent player from falling through the ground
			self.y = 2500;
			self.speed = 0;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize player
var player = game.addChild(new Player());
player.x = 1024; // Center horizontally
player.y = 2500; // Near the bottom
// Initialize coin
var coin = game.addChild(new Coin());
coin.x = 1024; // Center horizontally
coin.y = 232; // Near the top
// Initialize lasers
var lasers = [];
for (var i = 0; i < 7; i++) {
	var laser = new Laser();
	laser.x = Math.random() * 2048;
	laser.y = (i + 1) * 300; // Spread lasers vertically
	lasers.push(laser);
	game.addChild(laser);
}
// Score tracking
var score = 0;
var scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Handle player movement
game.down = function (x, y, obj) {
	player.x = x;
	if (player.y === 2500) {
		// Only allow jump if player is on the ground
		player.speed = -30; // Apply upward force
	}
};
// Update game logic
game.update = function () {
	// Update lasers
	lasers.forEach(function (laser) {
		laser.update();
		// Check collision with player
		if (player.intersects(laser)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	});
	// Check if player reached the top or bottom
	if (player.y <= 0 || player.y >= 2732) {
		score++;
		scoreTxt.setText('Score: ' + score);
		player.y = 2500; // Reset player position
		lasers.forEach(function (laser) {
			laser.speed += 0.5; // Increase laser speed
		});
	}
	// Check if player intersects with the coin
	if (player.intersects(coin)) {
		score++;
		scoreTxt.setText('Score: ' + score);
		// Reset coin position
		coin.x = Math.random() * 2048;
		coin.y = Math.random() * 2732;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -37,9 +37,15 @@
 		anchorY: 0.5
 	});
 	self.speed = 10;
 	self.update = function () {
-		// Player update logic
+		self.y += self.speed; // Update player's vertical position
+		self.speed += 1; // Apply gravity
+		if (self.y > 2500) {
+			// Prevent player from falling through the ground
+			self.y = 2500;
+			self.speed = 0;
+		}
 	};
 });
 
 /**** 
@@ -79,9 +85,12 @@
 LK.gui.top.addChild(scoreTxt);
 // Handle player movement
 game.down = function (x, y, obj) {
 	player.x = x;
-	player.y = y;
+	if (player.y === 2500) {
+		// Only allow jump if player is on the ground
+		player.speed = -30; // Apply upward force
+	}
 };
 // Update game logic
 game.update = function () {
 	// Update lasers