/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = 0;
	self.gravity = 0.8;
	self.jumpStrength = -12;
	self.flap = function () {
		self.velocity = self.jumpStrength;
		LK.getSound('flap').play();
	};
	self.update = function () {
		if (!gameStarted) {
			// Don't apply physics before game starts - keep bird completely still
			self.velocity = 0;
			self.y = 1366; // Keep bird at starting position
			birdGraphics.rotation = 0; // Keep bird level
			return;
		}
		self.velocity += self.gravity;
		self.y += self.velocity;
		// Rotate bird based on velocity
		birdGraphics.rotation = Math.max(-0.5, Math.min(1.5, self.velocity * 0.1));
		// Limit bird movement to screen bounds
		if (self.y < 30) {
			self.y = 30;
		}
	};
	return self;
});
var Pipe = Container.expand(function (gapCenterY) {
	var self = Container.call(this);
	self.gapSize = 600;
	self.speed = -3;
	self.passed = false;
	self.gapCenterY = gapCenterY;
	// Create top pipe
	var topPipe = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 1
	});
	topPipe.y = gapCenterY - self.gapSize / 2;
	topPipe.height = gapCenterY - self.gapSize / 2;
	// Create bottom pipe
	var bottomPipe = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0
	});
	bottomPipe.y = gapCenterY + self.gapSize / 2;
	bottomPipe.height = 2732 - 150 - (gapCenterY + self.gapSize / 2);
	self.update = function () {
		if (!gameStarted) {
			// Don't move pipes before game starts
			return;
		}
		self.x += self.speed;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var bird;
var pipes = [];
var ground;
var gameStarted = false;
var gameOver = false;
var showMainMenu = true;
var pipeSpacing = 600; // Consistent spacing between all pipes - balanced distance
// Create score display
var scoreTxt = new Text2('SKOR: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.stroke = 0x000000;
scoreTxt.strokeThickness = 4;
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 100;
// Create main menu elements
var mainMenuTitle = new Text2('FLAPPY BIRD', {
	size: 100,
	fill: 0xFFD700
});
mainMenuTitle.anchor.set(0.5, 0.5);
mainMenuTitle.stroke = 0x000000;
mainMenuTitle.strokeThickness = 5;
LK.gui.center.addChild(mainMenuTitle);
mainMenuTitle.y = -200;
// Create play button
var playButton = LK.getAsset('ground', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 300,
	height: 80,
	alpha: 0.9
});
playButton.tint = 0x32CD32;
LK.gui.center.addChild(playButton);
playButton.y = 0;
var playButtonText = new Text2('OYNA', {
	size: 50,
	fill: 0xFFFFFF
});
playButtonText.anchor.set(0.5, 0.5);
playButtonText.stroke = 0x000000;
playButtonText.strokeThickness = 3;
LK.gui.center.addChild(playButtonText);
playButtonText.y = 0;
// Create score button
var scoreButton = LK.getAsset('ground', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 300,
	height: 80,
	alpha: 0.9
});
scoreButton.tint = 0x4169E1;
LK.gui.center.addChild(scoreButton);
scoreButton.y = 100;
var scoreButtonText = new Text2('SKOR', {
	size: 50,
	fill: 0xFFFFFF
});
scoreButtonText.anchor.set(0.5, 0.5);
scoreButtonText.stroke = 0x000000;
scoreButtonText.strokeThickness = 3;
LK.gui.center.addChild(scoreButtonText);
scoreButtonText.y = 100;
// Create instruction text
var instructionTxt = new Text2('TIKLA VE OYNA!', {
	size: 60,
	fill: 0xFFFFFF
});
instructionTxt.anchor.set(0.5, 0.5);
instructionTxt.stroke = 0x000000;
instructionTxt.strokeThickness = 3;
instructionTxt.visible = false;
// Add background shape for instruction text
var instructionBg = LK.getAsset('ground', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 400,
	height: 100,
	alpha: 0.8
});
instructionBg.tint = 0x000000;
instructionBg.visible = false;
LK.gui.center.addChild(instructionBg);
LK.gui.center.addChild(instructionTxt);
// Create bird
bird = game.addChild(new Bird());
bird.x = 400;
bird.y = 1366;
// Create invisible barrier blocks to constrain bird before game starts
var topBarrier = game.addChild(LK.getAsset('barrier', {
	anchorX: 0.5,
	anchorY: 1
}));
topBarrier.x = 400;
topBarrier.y = 1316; // 50 pixels above bird
topBarrier.alpha = 0; // Make invisible
var bottomBarrier = game.addChild(LK.getAsset('barrier', {
	anchorX: 0.5,
	anchorY: 0
}));
bottomBarrier.x = 400;
bottomBarrier.y = 1416; // 50 pixels below bird
bottomBarrier.alpha = 0; // Make invisible
// Create ground
ground = game.addChild(LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 1
}));
ground.x = 0;
ground.y = 2732;
// Create pipe function
function createPipe() {
	var minGapY = 500;
	var maxGapY = 2032; // 2732 - 150 - 600 (adjusted for larger gap)
	var gapCenterY = minGapY + Math.random() * (maxGapY - minGapY);
	var pipe = new Pipe(gapCenterY);
	// Calculate position based on last pipe position + consistent spacing
	if (pipes.length === 0) {
		pipe.x = 2048 + 200; // First pipe position
	} else {
		pipe.x = pipes[pipes.length - 1].x + pipeSpacing; // Consistent spacing from last pipe
	}
	pipes.push(pipe);
	game.addChild(pipe);
}
// Reset game function
function resetGame() {
	// Reset bird
	bird.x = 400;
	bird.y = 1366;
	bird.velocity = 0;
	// Clear pipes
	for (var i = pipes.length - 1; i >= 0; i--) {
		pipes[i].destroy();
	}
	pipes = [];
	// Reset variables
	gameStarted = false;
	gameOver = false;
	showMainMenu = true;
	LK.setScore(0);
	scoreTxt.setText('SKOR: 0');
	// Show main menu
	mainMenuTitle.visible = true;
	playButton.visible = true;
	playButtonText.visible = true;
	scoreButton.visible = true;
	scoreButtonText.visible = true;
	// Hide instruction
	instructionTxt.visible = false;
	instructionBg.visible = false;
	// Recreate invisible barriers
	topBarrier = game.addChild(LK.getAsset('barrier', {
		anchorX: 0.5,
		anchorY: 1
	}));
	topBarrier.x = 400;
	topBarrier.y = 1316; // 50 pixels above bird
	topBarrier.alpha = 0; // Make invisible
	bottomBarrier = game.addChild(LK.getAsset('barrier', {
		anchorX: 0.5,
		anchorY: 0
	}));
	bottomBarrier.x = 400;
	bottomBarrier.y = 1416; // 50 pixels below bird
	bottomBarrier.alpha = 0; // Make invisible
	// Create initial pipes
	createPipe();
	createPipe();
}
// Function to start game from main menu
function startGameFromMenu() {
	showMainMenu = false;
	// Hide main menu elements
	mainMenuTitle.visible = false;
	playButton.visible = false;
	playButtonText.visible = false;
	scoreButton.visible = false;
	scoreButtonText.visible = false;
	// Show instruction
	instructionTxt.visible = true;
	instructionBg.visible = true;
}
// Initialize game
createPipe();
createPipe();
// Touch/click handler
game.down = function (x, y, obj) {
	if (gameOver) {
		resetGame();
		return;
	}
	if (showMainMenu) {
		// Convert screen coordinates to GUI coordinates
		var guiPos = LK.gui.center.toLocal({
			x: x,
			y: y
		});
		// Check if play button was clicked
		if (guiPos.x >= -150 && guiPos.x <= 150 && guiPos.y >= -40 && guiPos.y <= 40) {
			startGameFromMenu();
			return;
		}
		// Check if score button was clicked
		if (guiPos.x >= -150 && guiPos.x <= 150 && guiPos.y >= 60 && guiPos.y <= 140) {
			LK.showLeaderboard();
			return;
		}
		return;
	}
	if (!gameStarted) {
		gameStarted = true;
		instructionTxt.visible = false;
		instructionBg.visible = false;
		// Remove invisible barriers when game starts
		if (topBarrier) {
			topBarrier.destroy();
			topBarrier = null;
		}
		if (bottomBarrier) {
			bottomBarrier.destroy();
			bottomBarrier = null;
		}
	}
	bird.flap();
};
// Main game loop
game.update = function () {
	if (gameOver || showMainMenu) return;
	// Only run game logic if game has started
	if (gameStarted) {
		// Check ground collision
		if (bird.y + 20 >= 2732 - 150) {
			gameOver = true;
			LK.showGameOver();
			return;
		}
		// Check ceiling collision
		if (bird.y - 20 <= 0) {
			gameOver = true;
			LK.showGameOver();
			return;
		}
		// Check pipe collisions and scoring - only check pipes that are near the bird
		for (var i = 0; i < pipes.length; i++) {
			var pipe = pipes[i];
			// Only check pipes that are within reasonable distance of the bird
			if (Math.abs(pipe.x - bird.x) < 200) {
				// Check if bird is within pipe horizontally
				if (bird.x + 30 > pipe.x - 50 && bird.x - 30 < pipe.x + 50) {
					// Check collision with top pipe
					if (bird.y - 20 < pipe.gapCenterY - pipe.gapSize / 2) {
						gameOver = true;
						LK.showGameOver();
						return;
					}
					// Check collision with bottom pipe
					if (bird.y + 20 > pipe.gapCenterY + pipe.gapSize / 2) {
						gameOver = true;
						LK.showGameOver();
						return;
					}
				}
			}
			// Check scoring - only for pipes that haven't been passed yet
			if (!pipe.passed && pipe.x + 50 < bird.x) {
				pipe.passed = true;
				LK.setScore(LK.getScore() + 1);
				scoreTxt.setText('SKOR: ' + LK.getScore());
				LK.getSound('score').play();
			}
		}
		// Create new pipes - maintain consistent spacing
		if (pipes.length === 0 || pipes.length > 0 && pipes[pipes.length - 1].x <= 2048 + 200 - pipeSpacing) {
			createPipe();
		}
		// Remove off-screen pipes - only check every 10 frames to reduce lag
		if (LK.ticks % 10 === 0) {
			for (var j = pipes.length - 1; j >= 0; j--) {
				if (pipes[j].x < -150) {
					pipes[j].destroy();
					pipes.splice(j, 1);
				}
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -83,8 +83,9 @@
 var pipes = [];
 var ground;
 var gameStarted = false;
 var gameOver = false;
+var showMainMenu = true;
 var pipeSpacing = 600; // Consistent spacing between all pipes - balanced distance
 // Create score display
 var scoreTxt = new Text2('SKOR: 0', {
 	size: 80,
@@ -94,16 +95,67 @@
 scoreTxt.stroke = 0x000000;
 scoreTxt.strokeThickness = 4;
 LK.gui.top.addChild(scoreTxt);
 scoreTxt.y = 100;
+// Create main menu elements
+var mainMenuTitle = new Text2('FLAPPY BIRD', {
+	size: 100,
+	fill: 0xFFD700
+});
+mainMenuTitle.anchor.set(0.5, 0.5);
+mainMenuTitle.stroke = 0x000000;
+mainMenuTitle.strokeThickness = 5;
+LK.gui.center.addChild(mainMenuTitle);
+mainMenuTitle.y = -200;
+// Create play button
+var playButton = LK.getAsset('ground', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	width: 300,
+	height: 80,
+	alpha: 0.9
+});
+playButton.tint = 0x32CD32;
+LK.gui.center.addChild(playButton);
+playButton.y = 0;
+var playButtonText = new Text2('OYNA', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+playButtonText.anchor.set(0.5, 0.5);
+playButtonText.stroke = 0x000000;
+playButtonText.strokeThickness = 3;
+LK.gui.center.addChild(playButtonText);
+playButtonText.y = 0;
+// Create score button
+var scoreButton = LK.getAsset('ground', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	width: 300,
+	height: 80,
+	alpha: 0.9
+});
+scoreButton.tint = 0x4169E1;
+LK.gui.center.addChild(scoreButton);
+scoreButton.y = 100;
+var scoreButtonText = new Text2('SKOR', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+scoreButtonText.anchor.set(0.5, 0.5);
+scoreButtonText.stroke = 0x000000;
+scoreButtonText.strokeThickness = 3;
+LK.gui.center.addChild(scoreButtonText);
+scoreButtonText.y = 100;
 // Create instruction text
 var instructionTxt = new Text2('TIKLA VE OYNA!', {
 	size: 60,
 	fill: 0xFFFFFF
 });
 instructionTxt.anchor.set(0.5, 0.5);
 instructionTxt.stroke = 0x000000;
 instructionTxt.strokeThickness = 3;
+instructionTxt.visible = false;
 // Add background shape for instruction text
 var instructionBg = LK.getAsset('ground', {
 	anchorX: 0.5,
 	anchorY: 0.5,
@@ -111,8 +163,9 @@
 	height: 100,
 	alpha: 0.8
 });
 instructionBg.tint = 0x000000;
+instructionBg.visible = false;
 LK.gui.center.addChild(instructionBg);
 LK.gui.center.addChild(instructionTxt);
 // Create bird
 bird = game.addChild(new Bird());
@@ -168,13 +221,20 @@
 	pipes = [];
 	// Reset variables
 	gameStarted = false;
 	gameOver = false;
+	showMainMenu = true;
 	LK.setScore(0);
 	scoreTxt.setText('SKOR: 0');
-	// Show instruction
-	instructionTxt.visible = true;
-	instructionBg.visible = true;
+	// Show main menu
+	mainMenuTitle.visible = true;
+	playButton.visible = true;
+	playButtonText.visible = true;
+	scoreButton.visible = true;
+	scoreButtonText.visible = true;
+	// Hide instruction
+	instructionTxt.visible = false;
+	instructionBg.visible = false;
 	// Recreate invisible barriers
 	topBarrier = game.addChild(LK.getAsset('barrier', {
 		anchorX: 0.5,
 		anchorY: 1
@@ -192,8 +252,21 @@
 	// Create initial pipes
 	createPipe();
 	createPipe();
 }
+// Function to start game from main menu
+function startGameFromMenu() {
+	showMainMenu = false;
+	// Hide main menu elements
+	mainMenuTitle.visible = false;
+	playButton.visible = false;
+	playButtonText.visible = false;
+	scoreButton.visible = false;
+	scoreButtonText.visible = false;
+	// Show instruction
+	instructionTxt.visible = true;
+	instructionBg.visible = true;
+}
 // Initialize game
 createPipe();
 createPipe();
 // Touch/click handler
@@ -201,8 +274,26 @@
 	if (gameOver) {
 		resetGame();
 		return;
 	}
+	if (showMainMenu) {
+		// Convert screen coordinates to GUI coordinates
+		var guiPos = LK.gui.center.toLocal({
+			x: x,
+			y: y
+		});
+		// Check if play button was clicked
+		if (guiPos.x >= -150 && guiPos.x <= 150 && guiPos.y >= -40 && guiPos.y <= 40) {
+			startGameFromMenu();
+			return;
+		}
+		// Check if score button was clicked
+		if (guiPos.x >= -150 && guiPos.x <= 150 && guiPos.y >= 60 && guiPos.y <= 140) {
+			LK.showLeaderboard();
+			return;
+		}
+		return;
+	}
 	if (!gameStarted) {
 		gameStarted = true;
 		instructionTxt.visible = false;
 		instructionBg.visible = false;
@@ -219,9 +310,9 @@
 	bird.flap();
 };
 // Main game loop
 game.update = function () {
-	if (gameOver) return;
+	if (gameOver || showMainMenu) return;
 	// Only run game logic if game has started
 	if (gameStarted) {
 		// Check ground collision
 		if (bird.y + 20 >= 2732 - 150) {