/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
// Flappy class representing the player character
var Flappy = Container.expand(function () {
	var self = Container.call(this);
	var flappyGraphics = self.attachAsset('flappy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.gravity = 0.5;
	self.lift = -10;
	self.velocity = 0;
	self.jump = function () {
		self.velocity = self.lift;
	};
	self.update = function () {
		self.velocity += self.gravity;
		self.y += self.velocity;
		if (self.y > 2732 - flappyGraphics.height / 2) {
			self.y = 2732 - flappyGraphics.height / 2;
			self.velocity = 0;
		}
		if (self.y < flappyGraphics.height / 2) {
			self.y = flappyGraphics.height / 2;
			self.velocity = 0;
		}
	};
});
// Pipe class representing the obstacles
var Pipe = Container.expand(function () {
	var self = Container.call(this);
	var pipeGraphics = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
		if (self.x < -pipeGraphics.width / 2) {
			self.destroy();
		}
	};
});
// Tree class representing the trees
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -2; // Set tree speed to move left
	self.update = function () {
		self.x += self.speed;
		if (self.x < -treeGraphics.width / 2) {
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x228B22 // Init game with grass green background
});

/**** 
* Game Code
****/ 
var flappy = game.addChild(new Flappy());
flappy.x = 2048 / 4;
flappy.y = 2732 / 2;
var pipes = [];
var trees = [];
var treeInterval = 300;
var pipeInterval = 90;
var frameCount = 0;
game.down = function (x, y, obj) {
	flappy.jump();
};
game.update = function () {
	frameCount++;
	if (frameCount % pipeInterval === 0) {
		var pipeTop = new Pipe();
		var pipeBottom = new Pipe();
		var pipeGap = 400;
		var pipeHeight = Math.random() * (2732 - pipeGap - 200) + 100;
		pipeTop.x = 2048;
		pipeTop.y = pipeHeight / 2;
		pipeBottom.x = 2048;
		pipeBottom.y = pipeHeight + pipeGap + pipeHeight / 2;
		pipes.push(pipeTop);
		pipes.push(pipeBottom);
		game.addChild(pipeTop);
		game.addChild(pipeBottom);
	}
	if (frameCount % treeInterval === 0) {
		var tree = new Tree();
		tree.x = Math.random() * 2048; // Random x position
		tree.y = Math.random() * 2732; // Random y position
		trees.push(tree);
		game.addChild(tree);
	}
	for (var i = trees.length - 1; i >= 0; i--) {
		trees[i].update();
	}
	for (var i = pipes.length - 1; i >= 0; i--) {
		pipes[i].update();
		if (pipes[i].intersects(flappy)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	for (var i = trees.length - 1; i >= 0; i--) {
		trees[i].update();
	}
	flappy.update();
};

===================================================================
--- original.js
+++ change.js
@@ -49,8 +49,9 @@
 	var treeGraphics = self.attachAsset('tree', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	self.speed = -2; // Set tree speed to move left
 	self.update = function () {
 		self.x += self.speed;
 		if (self.x < -treeGraphics.width / 2) {
 			self.destroy();
@@ -74,9 +75,8 @@
 var pipes = [];
 var trees = [];
 var treeInterval = 300;
 var pipeInterval = 90;
-var treeInterval = 300;
 var frameCount = 0;
 game.down = function (x, y, obj) {
 	flappy.jump();
 };
@@ -97,10 +97,10 @@
 		game.addChild(pipeBottom);
 	}
 	if (frameCount % treeInterval === 0) {
 		var tree = new Tree();
-		tree.x = 2048;
-		tree.y = 2732 - 200; // Position tree at the bottom of the screen
+		tree.x = Math.random() * 2048; // Random x position
+		tree.y = Math.random() * 2732; // Random y position
 		trees.push(tree);
 		game.addChild(tree);
 	}
 	for (var i = trees.length - 1; i >= 0; i--) {