/**** 
* Classes
****/ 
// Bird class: flies from right to left, above ground, destroys itself off screen
var Bird = Container.expand(function () {
	var self = Container.call(this);
	// Use 'gunes' asset for bird (placeholder, should be replaced with a bird asset if available)
	var birdSprite = self.attachAsset('gunes', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	birdSprite.width = 120;
	birdSprite.height = 90;
	birdSprite.tint = 0x888888;
	birdSprite.alpha = 0.92;
	self.speed = 10 + Math.random() * 4;
	self.update = function () {
		self.x -= self.speed;
		// Destroy if off screen
		if (self.lastX >= -200 && self.x < -200) {
			self.destroy();
		}
		self.lastX = self.x;
	};
	return self;
});
// Cactus class: moves left, destroys itself off screen
var Cactus = Container.expand(function () {
	var self = Container.call(this);
	// Attach cactus asset, anchor bottom left
	var cactusSprite = self.attachAsset('cactus', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = 7 + Math.random() * 2; // even slower speed for easier gameplay
	self.update = function () {
		self.x -= self.speed;
		// Destroy if off screen
		if (self.lastX >= -200 && self.x < -200) {
			self.destroy();
		}
		self.lastX = self.x;
	};
	return self;
});
// Cat class: handles jump, gravity, and collision
var Cat = Container.expand(function () {
	var self = Container.call(this);
	// Attach cat asset, anchor bottom left for ground logic
	var catSprite = self.attachAsset('cat', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Cat physics
	self.y = 0;
	self.x = 0;
	self.vy = 0;
	self.isJumping = false;
	self.groundY = 0; // will be set after creation
	// Double jump state
	self.jumpCount = 0;
	self.maxJumps = 2;
	// Jump parameters
	self.jumpVelocity = -65;
	self.gravity = 4;
	// Update method for physics
	self.update = function () {
		// Handle 3-second glide if long press is active, but only once per jump and only if stamina is full
		if (typeof isPressing !== "undefined" && isPressing && self.isJumping && !glideActive && !self.hasGlided && self.vy > 0 && typeof stamina !== "undefined" && stamina >= maxStamina) {
			// Only start glide if falling, not already gliding, haven't glided yet this jump, and stamina is full
			if (LK.ticks - pressStartTick >= 18) {
				// ~300ms threshold to avoid accidental short taps
				glideActive = true;
				self.isHovering = false;
				self.hasHovered = true;
				self.glideStartTick = LK.ticks;
				self.vy = 0;
				self.hasGlided = true; // Mark that we've glided this jump
				// Consume all stamina
				stamina = 0;
				staminaBar.width = Math.max(1, stamina / maxStamina * staminaBarFullWidth);
				// Activate bird damage immunity for 5 seconds
				birdImmunityActive = true;
				birdImmunityStartTick = LK.ticks;
			}
		}
		// If gliding, keep cat in air for up to 3 seconds (180 ticks)
		if (typeof glideActive !== "undefined" && glideActive) {
			if (LK.ticks - self.glideStartTick < 180) {
				// Stay in air, do not apply gravity, regardless of isPressing
				return;
			} else {
				// End glide
				glideActive = false;
			}
		}
		if (self.isJumping) {
			// If we are hovering, do not apply gravity or move
			if (self.isHovering) {
				// Determine hover duration: 12 ticks (195ms) for first jump, 6 ticks (100ms) for others
				var hoverDuration = self.jumpCount === 1 ? 12 : 6;
				if (LK.ticks - self.hoverStartTick >= hoverDuration) {
					self.isHovering = false;
					// Resume falling, keep vy as 0 so gravity starts pulling down
					self.vy = 0;
				}
				// While hovering, do nothing else
				return;
			}
			// Normal jump/fall
			self.vy += self.gravity;
			self.y += self.vy;
			// At apex: vy just turned positive (was going up, now going down)
			if (!self.isHovering && self.vy > 0 && !self.hasHovered) {
				self.isHovering = true;
				self.hasHovered = true;
				self.hoverStartTick = LK.ticks;
				self.vy = 0; // Stop vertical movement during hover
				return;
			}
			// Land on ground
			if (self.y >= self.groundY) {
				self.y = self.groundY;
				self.vy = 0;
				self.isJumping = false;
				self.isHovering = false;
				self.hasHovered = false;
				// If we just finished a glide (hasGlided true, glideActive false), start counting cacti for stamina refill
				if (typeof self.hasGlided !== "undefined" && self.hasGlided && typeof glideActive !== "undefined" && !glideActive) {
					// Start post-glide cactus counting
					if (typeof postGlideCactusCounter === "undefined") postGlideCactusCounter = 0;
					postGlideCactusCounter = 0;
					postGlideCountingActive = true;
				}
				self.hasGlided = false; // Reset glide on landing
				self.jumpCount = 0; // Reset jump count on landing
			}
		}
	};
	// Jump method
	self.jump = function () {
		if (self.jumpCount < self.maxJumps) {
			self.isJumping = true;
			self.vy = self.jumpVelocity;
			self.isHovering = false;
			self.hasHovered = false;
			self.hasGlided = false; // Allow one glide per jump
			self.hoverStartTick = 0;
			self.jumpCount++;
			// Play cat sound on jump
			LK.getSound('kedi').play();
		}
	};
	return self;
});
// Cloud class: moves left, destroys itself off screen
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	// Use a white ellipse for the cloud
	var cloudSprite = self.attachAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomize cloud size
	var scale = 1.2 + Math.random() * 1.2;
	cloudSprite.width = 320 * scale;
	cloudSprite.height = 120 * scale;
	cloudSprite.tint = 0xFFFFFF;
	cloudSprite.alpha = 0.7 + Math.random() * 0.2;
	self.speed = 1.5 + Math.random() * 1.2;
	self.update = function () {
		self.x -= self.speed;
		if (self.lastX >= -400 && self.x < -400) {
			self.destroy();
		}
		self.lastX = self.x;
	};
	return self;
});
// Gold class: moves left, destroys itself off screen, collectible by cat
var Gold = Container.expand(function () {
	var self = Container.call(this);
	// Attach gold asset, anchor center
	var goldSprite = self.attachAsset('ghost', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	goldSprite.width = 80;
	goldSprite.height = 80;
	self.speed = 7 + Math.random() * 2;
	self.collected = false;
	self.update = function () {
		self.x -= self.speed;
		// Destroy if off screen
		if (self.lastX >= -200 && self.x < -200) {
			self.destroy();
		}
		self.lastX = self.x;
	};
	return self;
});
// Sun class: static, top right
var Sun = Container.expand(function () {
	var self = Container.call(this);
	// Use a yellow ellipse for the sun
	var sunSprite = self.attachAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	sunSprite.width = 260;
	sunSprite.height = 260;
	sunSprite.tint = 0xFFF700;
	sunSprite.alpha = 0.95;
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xF7E9A0 // light sand yellow, desert-like
});

/**** 
* Game Code
****/ 
;
// --- GAME CODE ---
// --- Cactus background images for desert feel ---
var cactusBgSprites = [];
var cactusBgCount = 6; // Number of background cacti
for (var i = 0; i < cactusBgCount; i++) {
	var cactusBg = LK.getAsset('cactus', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Randomize X position, spread across the width
	cactusBg.x = 200 + i * (1700 / (cactusBgCount - 1)) + Math.random() * 80 - 40;
	// Randomize Y position, but always above ground
	cactusBg.y = GROUND_Y + 2;
	// Randomize scale for depth effect
	var scale = 0.7 + Math.random() * 0.5;
	cactusBg.width = 180 * scale;
	cactusBg.height = 180 * scale;
	cactusBg.alpha = 0.38 + Math.random() * 0.13; // faded for background
	// Optionally, tint to a lighter green for background
	cactusBg.tint = 0xB6E2A1;
	game.addChild(cactusBg);
	cactusBgSprites.push(cactusBg);
}
// Game constants
var GROUND_Y = 2200; // y position of ground (bottom of screen minus margin)
var CAT_START_X = 400;
var CAT_START_Y = GROUND_Y;
var CACTUS_SPAWN_MIN = 70; // min frames between cacti (slower, more time to jump)
var CACTUS_SPAWN_MAX = 130; // max frames between cacti (slower, more time to jump)
// --- Tile 'kum' (sand) image as background under the ground, filling as horizontal rows with no visible gaps ---
var sandTiles = [];
// Use the native asset width/height for perfect tiling, but scale up for larger sand tiles
var sandAsset = LK.getAsset('kum', {
	anchorX: 0,
	anchorY: 0
});
// Scale factor for larger sand tiles (increased for bigger appearance)
var sandScale = 2.3;
var sandTileWidth = sandAsset.width * sandScale;
var sandTileHeight = sandAsset.height * sandScale;
// Remove the temporary asset from the stage if it was added
if (typeof sandAsset.parent !== "undefined" && sandAsset.parent) sandAsset.parent.removeChild(sandAsset);
// Calculate how many tiles are needed to cover the width and height, with +2 for safe coverage
var sandColumnsCount = Math.ceil(2048 / sandTileWidth) + 2;
var sandRowsCount = Math.ceil((2732 - (GROUND_Y + 2)) / sandTileHeight);
// Place sand tiles exactly edge-to-edge horizontally for seamless infinite looping
for (var row = 0; row < sandRowsCount; row++) {
	for (var col = 0; col < sandColumnsCount; col++) {
		var sandTile = LK.getAsset('kum', {
			anchorX: 0,
			anchorY: 0
		});
		// Place each tile exactly edge-to-edge horizontally, no gap, no overlap
		sandTile.x = Math.round(col * sandTileWidth);
		sandTile.y = Math.round(GROUND_Y + 2 + row * sandTileHeight);
		sandTile.width = sandTileWidth;
		sandTile.height = sandTileHeight;
		sandTile.alpha = 0.98;
		game.addChild(sandTile);
		sandTiles.push(sandTile);
	}
}
// No visible gap, no overlap, seamless horizontal tiling for infinite looping
// Add two ground images ('zemin') for seamless horizontal scrolling
var groundImg = LK.getAsset('zemin', {
	anchorX: 0,
	anchorY: 1
});
groundImg.x = 0;
groundImg.y = GROUND_Y + 2; // +2 for slight overlap, ensures cat and cactus are on top
groundImg.width = 2048;
game.addChild(groundImg);
// Add a second ground image for seamless looping
var groundImg2 = LK.getAsset('zemin', {
	anchorX: 0,
	anchorY: 1
});
groundImg2.x = groundImg.x + groundImg.width;
groundImg2.y = GROUND_Y + 2;
groundImg2.width = 2048;
game.addChild(groundImg2);
// Add a ground image under each cactus as well, so cactus stands on ground
// This is handled by drawing the ground first, so both cat and cactus visually stand on the same ground
// Sun and clouds
var sun;
var clouds = [];
var nextCloudTick = 0;
// Birds
var birds = [];
var nextBirdTick = 0;
// Game state
var cat;
var cacti = [];
var golds = [];
var score = 0;
var goldScore = 0;
var scoreTxt;
var goldScoreTxt;
var nextCactusTick = 0;
var nextGoldTick = 0;
var gameOver = false;
// On game start, stamina is full
stamina = maxStamina;
if (typeof staminaBar !== "undefined") {
	staminaBar.width = Math.max(1, stamina / maxStamina * staminaBarFullWidth);
}
// Track how many cacti have been jumped over for stamina refill
var cactiJumpedOver = 0;
// Track post-glide cactus counting for stamina refill
var postGlideCactusCounter = 0;
var postGlideCountingActive = false;
// Speed multiplier for game progression
var speedMultiplier = 1;
var SPEED_MULTIPLIER_INCREMENT = 0.08; // how much to increase per score
var SPEED_MULTIPLIER_MAX = 3; // cap the speed increase
// HP bar variables
var maxHp = 100;
var hp = maxHp;
var hpBarFullWidth = 420;
var hpBarHeight = 38;
// Add HP bar background (grey)
var hpBarBg = LK.getAsset('centerCircle', {
	anchorX: 0,
	anchorY: 0
});
hpBarBg.width = hpBarFullWidth;
hpBarBg.height = hpBarHeight;
hpBarBg.x = 110;
hpBarBg.y = 30;
hpBarBg.tint = 0x444444;
hpBarBg.alpha = 0.45;
LK.gui.top.addChild(hpBarBg);
// Add HP bar (red)
var hpBar = LK.getAsset('centerCircle', {
	anchorX: 0,
	anchorY: 0
});
hpBar.width = hpBarFullWidth;
hpBar.height = hpBarHeight;
hpBar.x = 110;
hpBar.y = 30;
hpBar.tint = 0xff4444;
hpBar.alpha = 0.95;
LK.gui.top.addChild(hpBar);
// --- Stamina bar variables and GUI ---
var maxStamina = 100;
var stamina = maxStamina;
var staminaBarFullWidth = 420;
var staminaBarHeight = 28;
// Stamina bar background (grey, below HP bar)
var staminaBarBg = LK.getAsset('centerCircle', {
	anchorX: 0,
	anchorY: 0
});
staminaBarBg.width = staminaBarFullWidth;
staminaBarBg.height = staminaBarHeight;
staminaBarBg.x = 110;
staminaBarBg.y = 80;
staminaBarBg.tint = 0x444444;
staminaBarBg.alpha = 0.35;
LK.gui.top.addChild(staminaBarBg);
// Stamina bar (blue)
var staminaBar = LK.getAsset('centerCircle', {
	anchorX: 0,
	anchorY: 0
});
staminaBar.width = staminaBarFullWidth;
staminaBar.height = staminaBarHeight;
staminaBar.x = 110;
staminaBar.y = 80;
staminaBar.tint = 0x44aaff;
staminaBar.alpha = 0.95;
LK.gui.top.addChild(staminaBar);
// Add score text to GUI
scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Gold score text (smaller, right of score)
goldScoreTxt = new Text2('0', {
	size: 90,
	fill: 0xFFD700 // gold color
});
goldScoreTxt.anchor.set(0, 0);
goldScoreTxt.x = 120; // right of main score
goldScoreTxt.y = 20;
LK.gui.top.addChild(goldScoreTxt);
// Add sun (top right, margin from edge)
sun = new Sun();
sun.x = 2048 - 220;
sun.y = 220;
game.addChild(sun);
// Add 'gunes1' character image to the top right
var gunes1Sprite = LK.getAsset('gunes1', {
	anchorX: 1,
	anchorY: 0
});
gunes1Sprite.x = 2048 - 40; // 40px margin from right edge
gunes1Sprite.y = 40; // 40px margin from top edge
gunes1Sprite.width = 200;
gunes1Sprite.height = 200;
game.addChild(gunes1Sprite);
// Add 'evet' button to the top right corner of the GUI
var evetBtn = new Text2('evet', {
	size: 90,
	fill: 0xFFFFFF,
	font: "Arial"
});
evetBtn.anchor.set(1, 0); // right-top anchor
evetBtn.x = LK.gui.top.width - 40; // 40px margin from right
evetBtn.y = 30; // 30px margin from top
LK.gui.topRight.addChild(evetBtn);
// Cat2 enemy is not created until score >= 50
var cat2Sprite = null;
// Add to update loop
game.updateCat2 = function () {
	if (!cat2Sprite) return;
	// Horizontal movement
	cat2Sprite.x -= cat2Sprite.speed;
	// Jump logic
	if (!cat2Sprite.isJumping && cat2Sprite.jumpCooldown <= 0) {
		cat2Sprite.vy = cat2Sprite.jumpVelocity;
		cat2Sprite.isJumping = true;
		cat2Sprite.jumpCooldown = cat2Sprite.jumpInterval;
	}
	// Apply gravity if in air
	if (cat2Sprite.isJumping) {
		// Move more forward (left) while jumping
		cat2Sprite.x -= 8; // increased leftward movement during jump
		cat2Sprite.y += cat2Sprite.vy;
		cat2Sprite.vy += cat2Sprite.gravity;
		// Land on ground
		if (cat2Sprite.y >= cat2Sprite.groundY) {
			cat2Sprite.y = cat2Sprite.groundY;
			cat2Sprite.vy = 0;
			cat2Sprite.isJumping = false;
			// Randomize next jump interval for variety
			cat2Sprite.jumpInterval = 60 + Math.floor(Math.random() * 60);
		}
	}
	// Decrement jump cooldown if not jumping
	if (!cat2Sprite.isJumping && cat2Sprite.jumpCooldown > 0) {
		cat2Sprite.jumpCooldown--;
	}
	// Destroy if off screen to the left
	if (cat2Sprite.lastX >= -cat2Sprite.width && cat2Sprite.x < -cat2Sprite.width) {
		cat2Sprite.destroy();
		cat2Sprite = null;
	} else if (cat2Sprite) {
		cat2Sprite.lastX = cat2Sprite.x;
	}
};
// Spawn a few initial clouds
for (var i = 0; i < 3; i++) {
	var cloud = new Cloud();
	cloud.x = 400 + Math.random() * 1400;
	cloud.y = 200 + Math.random() * 400;
	cloud.lastX = cloud.x;
	game.addChild(cloud);
	clouds.push(cloud);
}
nextCloudTick = 60 + Math.floor(Math.random() * 120);
// Create cat
cat = new Cat();
cat.x = CAT_START_X;
cat.y = CAT_START_Y;
cat.groundY = CAT_START_Y;
game.addChild(cat);
// Track long press for gliding
var isPressing = false;
var pressStartTick = 0;
var glideActive = false;
// --- Bird damage immunity after stamina glide ---
var birdImmunityActive = false;
var birdImmunityStartTick = 0;
var BIRD_IMMUNITY_DURATION = 300; // 5 seconds at 60fps
// Touch/click to jump or start glide
game.down = function (x, y, obj) {
	if (!gameOver) {
		cat.jump();
		isPressing = true;
		pressStartTick = LK.ticks;
		glideActive = false;
	}
	// Update golds, check for collection
	for (var j = golds.length - 1; j >= 0; j--) {
		var gold = golds[j];
		gold.update();
		// Remove if off screen
		if (gold.x < -200) {
			gold.destroy();
			golds.splice(j, 1);
			continue;
		}
		// Collect gold: only trigger on first intersect and not already collected
		if (!gold.collected && cat.intersects(gold)) {
			gold.collected = true;
			goldScore++;
			goldScoreTxt.setText(goldScore);
			gold.destroy();
			golds.splice(j, 1);
			continue;
		}
	}
};
// On release, stop pressing and gliding
game.up = function (x, y, obj) {
	isPressing = false;
	// Do not forcibly end glide here; glide ends after 3s or on landing
};
// Main update loop
game.update = function () {
	if (gameOver) return;
	// --- Ground scrolling logic ---
	// Move both ground images left by cactus speed (use average cactus speed or a fixed value for smoothness)
	var groundScrollSpeed = 10 * speedMultiplier; // Match with cactus/bird speed for realism
	groundImg.x -= groundScrollSpeed;
	groundImg2.x -= groundScrollSpeed;
	// Move sand tiles to match ground movement (for vertical columns)
	for (var i = 0; i < sandTiles.length; i++) {
		sandTiles[i].x -= groundScrollSpeed;
		// If a sand tile is fully off screen to the left, move it to the right of the rightmost tile in its row
		if (sandTiles[i].x <= -sandTileWidth) {
			// Find the rightmost tile in the same row
			var thisRow = Math.floor((sandTiles[i].y - (GROUND_Y + 2)) / sandTileHeight);
			var maxX = -sandTileWidth;
			for (var j = 0; j < sandTiles.length; j++) {
				var otherRow = Math.floor((sandTiles[j].y - (GROUND_Y + 2)) / sandTileHeight);
				if (otherRow === thisRow && sandTiles[j].x > maxX) maxX = sandTiles[j].x;
			}
			// Place the tile exactly after the rightmost tile for perfect seamlessness
			sandTiles[i].x = maxX + sandTileWidth;
			// Snap to integer to avoid subpixel gaps
			sandTiles[i].x = Math.round(sandTiles[i].x);
			// Ensure no vertical offset is introduced when looping
			sandTiles[i].y = Math.round(GROUND_Y + 2 + thisRow * sandTileHeight);
		}
	}
	// This ensures sand tiles are always perfectly seamless and loop infinitely with the ground
	// If a ground image is fully off screen to the left, move it to the right of the other
	if (groundImg.x <= -groundImg.width) {
		groundImg.x = groundImg2.x + groundImg2.width;
	}
	if (groundImg2.x <= -groundImg2.width) {
		groundImg2.x = groundImg.x + groundImg.width;
	}
	// Update clouds and spawn new ones
	for (var i = clouds.length - 1; i >= 0; i--) {
		var cloud = clouds[i];
		cloud.update();
		if (cloud.x < -400) {
			cloud.destroy();
			clouds.splice(i, 1);
		}
	}
	if (nextCloudTick <= 0) {
		var cloud = new Cloud();
		cloud.x = 2048 + 200;
		cloud.y = 120 + Math.random() * 600;
		cloud.lastX = cloud.x;
		game.addChild(cloud);
		clouds.push(cloud);
		nextCloudTick = 60 + Math.floor(Math.random() * 120);
	} else {
		nextCloudTick--;
	}
	// Deactivate bird immunity after 5 seconds
	if (birdImmunityActive && LK.ticks - birdImmunityStartTick >= BIRD_IMMUNITY_DURATION) {
		birdImmunityActive = false;
	}
	// Update birds and spawn new ones
	for (var i = birds.length - 1; i >= 0; i--) {
		var bird = birds[i];
		bird.update();
		if (bird.x < -200) {
			bird.destroy();
			birds.splice(i, 1);
			continue;
		}
		// Bird collision detection (only trigger on first intersect)
		if (!bird.lastWasIntersecting && cat.intersects(bird)) {
			// If immunity is active, skip damage
			if (!birdImmunityActive) {
				// Decrease HP by 10
				hp -= 10;
				if (hp < 0) hp = 0;
				// Play cat sound on HP loss
				LK.getSound('kedi1').play();
				// Update HP bar
				hpBar.width = Math.max(1, hp / maxHp * hpBarFullWidth);
				// Flash red for hit
				LK.effects.flashObject(cat, 0xff0000, 400);
				// If HP is 0, game over
				if (hp <= 0) {
					LK.effects.flashScreen(0xff0000, 800);
					// Play 'death' sound 3 times in quick succession when game over screen is shown
					LK.showGameOver();
					LK.getSound('death').play();
					LK.setTimeout(function () {
						LK.getSound('death').play();
					}, 180);
					LK.setTimeout(function () {
						LK.getSound('death').play();
					}, 360);
					gameOver = true;
					return;
				}
			}
		}
		bird.lastWasIntersecting = cat.intersects(bird);
	}
	if (nextBirdTick <= 0) {
		// Spawn 2-3 birds at once, with more scattered (random) vertical and horizontal spacing
		var birdCount = 2 + Math.floor(Math.random() * 2); // 2 or 3 birds
		var minBirdY = GROUND_Y - 950; // Lowered: birds fly closer to ground
		var maxBirdY = GROUND_Y - 650; // Lowered: birds fly closer to ground
		if (minBirdY < 0) minBirdY = 0;
		if (maxBirdY < 0) maxBirdY = 0;
		var yRange = maxBirdY - minBirdY;
		var usedYs = [];
		for (var b = 0; b < birdCount; b++) {
			var bird = new Bird();
			// Scatter birds horizontally more
			bird.x = 2048 + 100 + Math.random() * 200 + b * 60 + Math.random() * 60;
			// Scatter birds vertically, allow overlap and more randomness
			var baseY = minBirdY + Math.random() * yRange;
			// Add more jitter, and avoid birds being too close vertically
			var jitterY = (Math.random() - 0.5) * 180;
			var finalY = baseY + jitterY;
			// Optionally, keep birds at least 120px apart vertically
			var minDist = 120;
			var attempts = 0;
			while (usedYs.some(function (y) {
				return Math.abs(y - finalY) < minDist;
			}) && attempts < 10) {
				finalY = minBirdY + Math.random() * yRange + (Math.random() - 0.5) * 180;
				attempts++;
			}
			usedYs.push(finalY);
			bird.y = finalY;
			bird.lastX = bird.x;
			// Apply speed multiplier to bird
			bird.speed = bird.speed * (0.8 + 0.4 * Math.random()) * speedMultiplier;
			game.addChild(bird);
			birds.push(bird);
		}
		// Bird group appears every 220-340 ticks (increased interval for more jump time)
		nextBirdTick = 220 + Math.floor(Math.random() * 120);
	} else {
		nextBirdTick--;
	}
	// Update cat
	cat.update();
	// Spawn cactus
	if (nextCactusTick <= 0) {
		var cactus = new Cactus();
		cactus.x = 2048 + 100; // spawn just off right edge
		cactus.y = GROUND_Y;
		cactus.lastX = cactus.x;
		// Apply speed multiplier to cactus
		cactus.speed = cactus.speed * speedMultiplier;
		game.addChild(cactus);
		cacti.push(cactus);
		// Use new CACTUS_SPAWN_MIN/MAX for more consistent jump windows
		var spawnInterval = CACTUS_SPAWN_MIN + Math.floor(Math.random() * (CACTUS_SPAWN_MAX - CACTUS_SPAWN_MIN + 1));
		nextCactusTick = Math.floor(spawnInterval);
	} else {
		nextCactusTick--;
	}
	// Spawn gold
	if (nextGoldTick <= 0) {
		var gold = new Gold();
		gold.x = 2048 + 100;
		// Random Y: between ground and a bit above cat's jump apex
		var jumpApex = GROUND_Y + cat.jumpVelocity * (Math.abs(cat.jumpVelocity) / (2 * cat.gravity));
		var minY = GROUND_Y - 400;
		var maxY = GROUND_Y - 1000;
		if (maxY < 0) maxY = 0;
		gold.y = minY - Math.random() * (minY - maxY);
		gold.lastX = gold.x;
		gold.collected = false;
		gold.speed = gold.speed * speedMultiplier;
		game.addChild(gold);
		golds.push(gold);
		// Gold appears less frequently than cacti
		nextGoldTick = 80 + Math.floor(Math.random() * 120);
	} else {
		nextGoldTick--;
	}
	// Update golds, check for collection
	for (var j = golds.length - 1; j >= 0; j--) {
		var gold = golds[j];
		gold.update();
		// Remove if off screen
		if (gold.x < -200) {
			gold.destroy();
			golds.splice(j, 1);
			continue;
		}
		// Collect gold: only trigger on first intersect and not already collected
		if (!gold.collected && cat.intersects(gold)) {
			gold.collected = true;
			goldScore++;
			goldScoreTxt.setText(goldScore);
			// Increase HP by 10, up to maxHp
			hp += 10;
			if (hp > maxHp) hp = maxHp;
			hpBar.width = Math.max(1, hp / maxHp * hpBarFullWidth);
			gold.destroy();
			golds.splice(j, 1);
			continue;
		}
	}
	// Move cat2 enemy if present, but only after score >= 30
	if (score >= 30) {
		// If cat2Sprite does not exist, create it
		if (!cat2Sprite && !gameOver) {
			if (typeof cat2RespawnTick === "undefined" || cat2RespawnTick <= 0) {
				cat2RespawnTick = 0; // spawn immediately on first time
			}
			if (cat2RespawnTick <= 0) {
				cat2Sprite = LK.getAsset('cat2', {
					anchorX: 1,
					anchorY: 1
				});
				cat2Sprite.x = 2048 - 40;
				cat2Sprite.y = GROUND_Y + 2;
				cat2Sprite.width = 420;
				cat2Sprite.height = 420;
				game.addChild(cat2Sprite);
				cat2Sprite.speed = 16; // even faster movement
				cat2Sprite.lastX = cat2Sprite.x;
				cat2Sprite.vy = 0;
				cat2Sprite.isJumping = false;
				cat2Sprite.jumpCooldown = 0;
				cat2Sprite.jumpInterval = 32 + Math.floor(Math.random() * 32); // jump even more often
				cat2Sprite.groundY = GROUND_Y + 2;
				cat2Sprite.jumpVelocity = -54; // even less jump height for cat2
				cat2Sprite.gravity = 6.2; // slightly stronger gravity for a lower, snappier jump
				cat2Sprite.lastWasIntersecting = false;
			} else {
				cat2RespawnTick--;
			}
		}
		if (typeof game.updateCat2 === "function" && cat2Sprite) {
			game.updateCat2();
			// Cat2 ile ana karakter çarpışma kontrolü (ilk çarpışma anı)
			if (cat2Sprite !== null && typeof cat2Sprite.lastWasIntersecting !== "undefined" && !cat2Sprite.lastWasIntersecting) {
				// Cat2'nin ana gövdesiyle (pelerin hariç) çarpışma kontrolü
				// Cat2'nin ana gövdesi için bir dikdörtgen belirle (pelerin hariç)
				// Cat2 sprite'ı sağdan sola hareket ettiği için, ana gövdeyi sprite'ın sol kısmında tut
				// Cat2'nin ana gövdesi: sprite'ın x, y, width, height'ı ile, width'in %40'ı kadar soldan (pelerin hariç)
				var cat2BodyWidth = cat2Sprite.width * 0.6;
				var cat2BodyHeight = cat2Sprite.height * 0.85;
				var cat2BodyX = cat2Sprite.x - cat2Sprite.width + cat2Sprite.width * 0.2;
				var cat2BodyY = cat2Sprite.y - cat2Sprite.height * 0.85;
				// Cat'in bounding box'ı
				var catBodyWidth = cat.width * 0.7;
				var catBodyHeight = cat.height * 0.85;
				var catBodyX = cat.x - cat.width * 0.5 + cat.width * 0.15;
				var catBodyY = cat.y - cat.height * 0.85;
				// Dikdörtgen çarpışma kontrolü
				var isBodyIntersect = cat2BodyX < catBodyX + catBodyWidth && cat2BodyX + cat2BodyWidth > catBodyX && cat2BodyY < catBodyY + catBodyHeight && cat2BodyY + cat2BodyHeight > catBodyY;
				if (isBodyIntersect) {
					// 15hp azalt
					hp -= 15;
					if (hp < 0) hp = 0;
					// HP barı güncelle
					hpBar.width = Math.max(1, hp / maxHp * hpBarFullWidth);
					// Kırmızı flash efekti
					LK.effects.flashObject(cat, 0xff0000, 400);
					// Ölüm kontrolü
					if (hp <= 0) {
						LK.effects.flashScreen(0xff0000, 800);
						LK.showGameOver();
						LK.getSound('death').play();
						LK.setTimeout(function () {
							LK.getSound('death').play();
						}, 180);
						LK.setTimeout(function () {
							LK.getSound('death').play();
						}, 360);
						gameOver = true;
						return;
					}
				}
			}
			// Son intersect durumunu güncelle
			if (cat2Sprite !== null) {
				cat2Sprite.lastWasIntersecting = cat.intersects(cat2Sprite);
			}
			// If cat2Sprite is destroyed, spawn a new one after a short delay
			if (!cat2Sprite || cat2Sprite.destroyed) {
				cat2Sprite = null;
				cat2RespawnTick = 30;
			}
		}
	}
	// Update cacti, check for collision and scoring
	for (var i = cacti.length - 1; i >= 0; i--) {
		var cactus = cacti[i];
		cactus.update();
		// Remove if off screen
		if (cactus.x < -200) {
			cactus.destroy();
			cacti.splice(i, 1);
			continue;
		}
		// Collision detection (only trigger on first intersect)
		if (!cactus.lastWasIntersecting && cat.intersects(cactus)) {
			// Decrease HP by 20
			hp -= 20;
			if (hp < 0) hp = 0;
			// Play cat sound on HP loss
			LK.getSound('kedi1').play();
			// Update HP bar
			hpBar.width = Math.max(1, hp / maxHp * hpBarFullWidth);
			// Flash red for hit
			LK.effects.flashObject(cat, 0xff0000, 400);
			// If HP is 0, game over
			if (hp <= 0) {
				LK.effects.flashScreen(0xff0000, 800);
				// Play 'death' sound 3 times in quick succession when game over screen is shown
				LK.showGameOver();
				LK.getSound('death').play();
				LK.setTimeout(function () {
					LK.getSound('death').play();
				}, 180);
				LK.setTimeout(function () {
					LK.getSound('death').play();
				}, 360);
				gameOver = true;
				return;
			}
		}
		// Scoring: passed cactus (cat.x > cactus.x + cactus.width/2) and not already scored
		if (!cactus.scored && cat.x > cactus.x + cactus.width / 2) {
			score++;
			scoreTxt.setText(score);
			cactus.scored = true;
			// Increase speed multiplier, capped at max
			speedMultiplier += SPEED_MULTIPLIER_INCREMENT;
			if (speedMultiplier > SPEED_MULTIPLIER_MAX) speedMultiplier = SPEED_MULTIPLIER_MAX;
			// After level 30, allow 3 jumps
			if (score >= 30) {
				cat.maxJumps = 3;
			}
			// Track cacti jumped over for stamina refill after glide
			if (typeof cactiJumpedOver === "undefined") {
				cactiJumpedOver = 0;
			}
			cactiJumpedOver++;
			// Handle post-glide cactus counting for stamina refill
			if (typeof postGlideCountingActive === "undefined") postGlideCountingActive = false;
			if (typeof postGlideCactusCounter === "undefined") postGlideCactusCounter = 0;
			if (postGlideCountingActive) {
				postGlideCactusCounter++;
				if (postGlideCactusCounter >= 10) {
					stamina = maxStamina;
					staminaBar.width = Math.max(1, stamina / maxStamina * staminaBarFullWidth);
					postGlideCactusCounter = 0;
					// Continue counting for next refill
				}
			}
			// (Stamina refill now handled in Cat landing after glide.)
		}
		cactus.lastWasIntersecting = cat.intersects(cactus);
	}
};