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

/**** 
* Classes
****/ 
var AirCube = Container.expand(function () {
	var self = Container.call(this);
	// Create floating cube obstacle
	var cubeGraphics = self.attachAsset('airCube', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	self.speed = 0;
	self.passed = false;
	self.floatOffset = Math.random() * Math.PI * 2;
	self.baseY = 0; // Will be set when spawned
	self.update = function () {
		self.x -= self.speed;
		// Gentle floating animation
		self.y = self.baseY + Math.sin(LK.ticks * 0.04 + self.floatOffset) * 8;
		// Subtle rotation
		cubeGraphics.rotation = Math.sin(LK.ticks * 0.03) * 0.1;
	};
	return self;
});
var BackgroundElement = Container.expand(function () {
	var self = Container.call(this);
	// Create different types of background elements with all 10 house and 10 tree varieties
	var elementTypes = ['house1', 'house2', 'house3', 'house4', 'house5', 'house6', 'house7', 'house8', 'house9', 'house10', 'tree', 'tree2', 'tree3', 'tree4', 'tree5', 'tree6', 'tree7', 'tree8', 'tree9', 'tree10'];
	var elementType = elementTypes[Math.floor(Math.random() * elementTypes.length)];
	// Create depth-based layering for background elements
	var isBackground = Math.random() < 0.5; // 50% chance to be background (far)
	// Determine element size, alpha, and speed based on depth
	var elementScale;
	var alpha;
	var speed;
	if (isBackground) {
		// Far background elements - smaller, slower, more transparent
		elementScale = 0.4 + Math.random() * 0.3; // 0.4 to 0.7
		alpha = 0.4 + Math.random() * 0.3; // 0.4 to 0.7
		speed = 0.8 + Math.random() * 0.7; // 0.8 to 1.5
	} else {
		// Near background elements - larger, faster, more opaque
		elementScale = 0.8 + Math.random() * 0.4; // 0.8 to 1.2
		alpha = 0.6 + Math.random() * 0.3; // 0.6 to 0.9
		speed = 1.5 + Math.random() * 1.0; // 1.5 to 2.5
	}
	// Create background element graphics
	var elementGraphics = self.attachAsset(elementType, {
		anchorX: 0.5,
		anchorY: 1.0,
		// Anchor at bottom for ground placement
		scaleX: elementScale,
		scaleY: elementScale,
		alpha: alpha
	});
	// Apply slight tint variation for more natural look
	var tintVariations = [0xffffff, 0xf8f8ff, 0xf0f8ff, 0xe6e6fa];
	elementGraphics.tint = tintVariations[Math.floor(Math.random() * tintVariations.length)];
	self.speed = speed;
	self.elementType = elementType;
	self.elementScale = elementScale;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	// Choose cloud type (0, 1, or 2)
	var cloudType = Math.floor(Math.random() * 3);
	// Create depth-based layering for clouds
	var isBackground = Math.random() < 0.4; // 40% chance to be background (far)
	var isMidground = !isBackground && Math.random() < 0.6; // 60% of remaining are midground
	// Determine cloud size, alpha, and speed based on depth
	var cloudScale;
	var alpha;
	var speed;
	if (isBackground) {
		// Far clouds - smallest, slowest, most transparent
		cloudScale = 0.3 + Math.random() * 0.2; // 0.3 to 0.5
		alpha = 0.3 + Math.random() * 0.2; // 0.3 to 0.5
		speed = 0.5 + Math.random() * 0.5; // 0.5 to 1.0
	} else if (isMidground) {
		// Mid clouds - medium size, speed, and alpha
		cloudScale = 0.6 + Math.random() * 0.3; // 0.6 to 0.9
		alpha = 0.5 + Math.random() * 0.2; // 0.5 to 0.7
		speed = 1.2 + Math.random() * 0.6; // 1.2 to 1.8
	} else {
		// Near clouds - largest, fastest, most opaque
		cloudScale = 1.0 + Math.random() * 0.4; // 1.0 to 1.4
		alpha = 0.7 + Math.random() * 0.2; // 0.7 to 0.9
		speed = 2.0 + Math.random() * 1.0; // 2.0 to 3.0
	}
	// Choose cloud asset based on type
	var cloudAssetId;
	if (cloudType === 0) {
		cloudAssetId = 'cloud1';
	} else if (cloudType === 1) {
		cloudAssetId = 'cloud2';
	} else {
		cloudAssetId = 'cloud3';
	}
	// Create single cloud image with proper scaling
	var cloudGraphics = self.attachAsset(cloudAssetId, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: cloudScale,
		scaleY: cloudScale,
		alpha: alpha
	});
	// Apply slight tint variation for more natural look
	var tintVariations = [0xffffff, 0xf8f8ff, 0xf0f8ff, 0xfafaff];
	cloudGraphics.tint = tintVariations[Math.floor(Math.random() * tintVariations.length)];
	self.speed = speed;
	self.cloudScale = cloudScale;
	self.cloudType = cloudType;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
var Fluffball = Container.expand(function () {
	var self = Container.call(this);
	var fluffballGraphics = self.attachAsset('fluffball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create shadow for character
	var shadowGraphics = self.attachAsset('characterShadow', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.3,
		y: 80 // Position shadow at character's feet
	});
	self.shadowGraphics = shadowGraphics;
	self.velocityY = 0;
	self.isJumping = false;
	self.isDucking = false;
	self.groundY = 0;
	self.jumpPower = -35;
	self.gravity = 0.8;
	self.duckScale = 0.6;
	self.normalScale = 1.0;
	self.canDoubleJump = false;
	self.hasDoubleJumped = false;
	self.blinkTimer = 0;
	self.isBlinking = false;
	self.nextBlinkTime = 180; // Blink every 3 seconds (180 ticks at 60fps)
	self.jump = function () {
		if (!self.isJumping) {
			self.velocityY = self.jumpPower;
			self.isJumping = true;
			self.canDoubleJump = true;
			self.hasDoubleJumped = false;
			LK.getSound('jump').play();
			// Rotate backward during jump
			tween(fluffballGraphics, {
				rotation: -0.5
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		} else if (self.canDoubleJump && !self.hasDoubleJumped) {
			// Double jump
			self.velocityY = self.jumpPower * 0.8; // Slightly weaker second jump
			self.hasDoubleJumped = true;
			self.canDoubleJump = false;
			LK.getSound('jump').play();
			// Extra rotation for double jump
			tween(fluffballGraphics, {
				rotation: -0.8
			}, {
				duration: 150,
				easing: tween.easeOut
			});
		}
	};
	self.startDuck = function () {
		if (!self.isJumping) {
			self.isDucking = true;
			tween(fluffballGraphics, {
				scaleY: self.duckScale
			}, {
				duration: 100
			});
		}
	};
	self.stopDuck = function () {
		self.isDucking = false;
		tween(fluffballGraphics, {
			scaleY: self.normalScale
		}, {
			duration: 100
		});
	};
	self.update = function () {
		if (self.isJumping) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
			// Rotate forward when falling (positive velocity)
			if (self.velocityY > 5) {
				tween(fluffballGraphics, {
					rotation: 0.3
				}, {
					duration: 150,
					easing: tween.easeIn
				});
			}
			if (self.y >= self.groundY) {
				self.y = self.groundY;
				self.velocityY = 0;
				self.isJumping = false;
				self.canDoubleJump = false;
				self.hasDoubleJumped = false;
				// Return to original rotation when landing
				tween(fluffballGraphics, {
					rotation: 0
				}, {
					duration: 200,
					easing: tween.easeOut
				});
			}
		} else {
			// Add subtle swaying animation when walking (not jumping)
			var swayAmount = Math.sin(LK.ticks * 0.15) * 0.08; // Very subtle sway
			fluffballGraphics.rotation = swayAmount;
			// Add slight vertical bob while walking
			var bobAmount = Math.sin(LK.ticks * 0.2) * 2; // Small vertical movement
			fluffballGraphics.y = bobAmount;
		}
		// Blinking animation
		self.blinkTimer++;
		if (self.blinkTimer >= self.nextBlinkTime && !self.isBlinking) {
			self.isBlinking = true;
			self.blinkTimer = 0;
			self.nextBlinkTime = 180; // Reset timer for next blink (3 seconds)
			// Remove current graphics and add blinking graphics
			self.removeChild(fluffballGraphics);
			fluffballGraphics = self.attachAsset('fluffballBlink', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			// Switch back after blink duration
			LK.setTimeout(function () {
				if (self.isBlinking) {
					// Remove blinking graphics and restore normal graphics
					self.removeChild(fluffballGraphics);
					fluffballGraphics = self.attachAsset('fluffball', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					self.isBlinking = false;
				}
			}, 250); // Blink duration of 250ms (0.25 seconds)
		}
		// Update shadow visibility based on theme and jumping state
		if (self.shadowGraphics) {
			// Show shadow during day theme, hide during night
			self.shadowGraphics.alpha = currentTheme === 'day' ? 0.3 : 0;
			// Adjust shadow size based on jumping height (perspective effect)
			if (self.isJumping) {
				var jumpHeight = self.groundY - self.y;
				var shadowScale = Math.max(0.3, 1 - jumpHeight * 0.002); // Shadow gets smaller when higher
				self.shadowGraphics.scaleX = shadowScale;
				self.shadowGraphics.scaleY = shadowScale * 0.5; // Flatter when higher
				self.shadowGraphics.alpha = currentTheme === 'day' ? 0.3 * shadowScale : 0;
			} else {
				self.shadowGraphics.scaleX = 1;
				self.shadowGraphics.scaleY = 1;
			}
		}
		// Bounce animation
		if (!self.isJumping && LK.ticks % 30 == 0) {
			tween(fluffballGraphics, {
				scaleY: 1.1
			}, {
				duration: 150,
				easing: tween.easeOut
			});
			tween(fluffballGraphics, {
				scaleY: 1.0
			}, {
				duration: 150,
				easing: tween.easeIn
			});
		}
	};
	return self;
});
var GummyBee = Container.expand(function () {
	var self = Container.call(this);
	var beeGraphics = self.attachAsset('gummyBee', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create shadow for bee
	var shadowGraphics = self.attachAsset('beeShadow', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.2
	});
	self.shadowGraphics = shadowGraphics;
	self.speed = 0;
	self.passed = false;
	self.bobOffset = Math.random() * Math.PI * 2;
	self.baseY = 0; // Will be set when spawned
	self.verticalRange = 25 + Math.random() * 30; // Reduced vertical movement range
	self.verticalSpeed = 0.08 + Math.random() * 0.05; // Variable vertical speed
	self.lastY = 0;
	self.update = function () {
		self.x -= self.speed;
		// Initialize lastY if not set
		if (self.lastY === undefined) self.lastY = self.y;
		// Varied flight pattern - some bees fly high (requiring jumps), others fly low (safe at ground)
		var verticalOffset = Math.sin(LK.ticks * self.verticalSpeed + self.bobOffset) * self.verticalRange;
		self.y = self.baseY + verticalOffset;
		// Wing rotation animation
		beeGraphics.rotation = Math.sin(LK.ticks * 0.1) * 0.2;
		// Scale animation for wing flapping
		beeGraphics.scaleY = 1.0 + Math.sin(LK.ticks * 0.3) * 0.1;
		// Update shadow position and visibility
		if (self.shadowGraphics) {
			// Position shadow on ground directly below bee
			var groundDistance = groundY - self.y;
			self.shadowGraphics.y = groundDistance;
			// Adjust shadow properties based on height and theme
			var heightFactor = Math.max(0.1, 1 - groundDistance * 0.001);
			self.shadowGraphics.scaleX = heightFactor;
			self.shadowGraphics.scaleY = heightFactor * 0.6;
			self.shadowGraphics.alpha = currentTheme === 'day' ? 0.2 * heightFactor : 0;
		}
		// Update lastY
		self.lastY = self.y;
	};
	return self;
});
var JellyObstacle = Container.expand(function () {
	var self = Container.call(this);
	var jellyGraphics = self.attachAsset('jellyObstacle', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = 0;
	self.passed = false;
	self.update = function () {
		self.x -= self.speed;
		// Wobble animation
		jellyGraphics.scaleX = 1 + Math.sin(LK.ticks * 0.1) * 0.1;
		jellyGraphics.scaleY = 1 + Math.cos(LK.ticks * 0.08) * 0.05;
	};
	return self;
});
var ShadowBat = Container.expand(function () {
	var self = Container.call(this);
	var batGraphics = self.attachAsset('shadowBat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create shadow for bat
	var shadowGraphics = self.attachAsset('batShadow', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.25
	});
	self.shadowGraphics = shadowGraphics;
	self.speed = 0;
	self.passed = false;
	self.zigzagDirection = 1; // 1 for up, -1 for down
	self.zigzagSpeed = 6; // Increased vertical movement speed for faster zigzag
	self.zigzagRange = 150; // How far up/down to move
	self.startY = 0; // Starting Y position
	self.lastY = 0;
	self.update = function () {
		self.x -= self.speed;
		// Initialize lastY if not set
		if (self.lastY === undefined) self.lastY = self.y;
		// Initialize startY if not set
		if (self.startY === 0) self.startY = self.y;
		// Enhanced zigzag movement - goes much closer to ground with faster movement
		self.y += self.zigzagDirection * self.zigzagSpeed;
		// Calculate ground proximity - bat can get within 120px of ground
		var maxGroundApproach = self.groundY - 120;
		// Change direction when reaching limits - goes closer to ground now
		if (self.y <= self.startY - self.zigzagRange) {
			self.zigzagDirection = 1; // Change to downward
		} else if (self.y >= maxGroundApproach) {
			self.zigzagDirection = -1; // Change to upward - return to original position
		}
		// More pronounced wing animation for faster zigzag effect
		batGraphics.rotation = Math.sin(LK.ticks * 0.4) * 0.15; // More visible rotation for zigzag effect
		// Update shadow position and visibility
		if (self.shadowGraphics) {
			// Position shadow on ground directly below bat
			var groundDistance = self.groundY - self.y;
			self.shadowGraphics.y = groundDistance;
			// Adjust shadow properties based on height and theme
			var heightFactor = Math.max(0.1, 1 - groundDistance * 0.0008);
			self.shadowGraphics.scaleX = heightFactor;
			self.shadowGraphics.scaleY = heightFactor * 0.5;
			self.shadowGraphics.alpha = currentTheme === 'day' ? 0.25 * heightFactor : 0;
		}
		// Update lastY
		self.lastY = self.y;
	};
	return self;
});
var SparkleGem = Container.expand(function () {
	var self = Container.call(this);
	var gemGraphics = self.attachAsset('sparkleGem', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.collected = false;
	self.update = function () {
		self.x -= self.speed;
		// Sparkle animation
		gemGraphics.rotation += 0.1;
		gemGraphics.scaleX = 1 + Math.sin(LK.ticks * 0.2) * 0.3;
		gemGraphics.scaleY = 1 + Math.cos(LK.ticks * 0.2) * 0.3;
	};
	return self;
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.twinkleSpeed = 0.02 + Math.random() * 0.03;
	self.twinkleOffset = Math.random() * Math.PI * 2;
	self.minAlpha = 0.3;
	self.maxAlpha = 1.0;
	self.minScale = 0.3;
	self.maxScale = 1.5;
	self.scaleSpeed = 0.01 + Math.random() * 0.02;
	self.scaleOffset = Math.random() * Math.PI * 2;
	self.disappearTimer = Math.random() * 600 + 300; // Random time between 5-15 seconds
	self.isDisappearing = false;
	self.disappearDuration = 0;
	self.reappearDelay = 0;
	self.update = function () {
		// Create twinkling effect with random timing
		var twinkle = Math.sin(LK.ticks * self.twinkleSpeed + self.twinkleOffset);
		starGraphics.alpha = self.minAlpha + (self.maxAlpha - self.minAlpha) * (twinkle + 1) / 2;
		// Dynamic scale changes
		var scaleVariation = Math.sin(LK.ticks * self.scaleSpeed + self.scaleOffset);
		var targetScale = self.minScale + (self.maxScale - self.minScale) * (scaleVariation + 1) / 2;
		starGraphics.scaleX = targetScale;
		starGraphics.scaleY = targetScale;
		// Disappear and reappear cycle
		self.disappearTimer--;
		if (self.disappearTimer <= 0 && !self.isDisappearing) {
			self.isDisappearing = true;
			self.disappearDuration = Math.random() * 120 + 60; // Disappear for 1-3 seconds
			self.reappearDelay = Math.random() * 300 + 180; // Reappear after 3-8 seconds
			// Fade out
			tween(starGraphics, {
				alpha: 0,
				scaleX: 0,
				scaleY: 0
			}, {
				duration: 500 + Math.random() * 1000,
				easing: tween.easeOut
			});
		}
		if (self.isDisappearing) {
			self.disappearDuration--;
			if (self.disappearDuration <= 0) {
				self.reappearDelay--;
				if (self.reappearDelay <= 0) {
					// Reset star state and fade back in
					self.isDisappearing = false;
					self.disappearTimer = Math.random() * 900 + 600; // Next disappear cycle
					// Fade in with new random properties
					self.twinkleSpeed = 0.02 + Math.random() * 0.03;
					self.scaleSpeed = 0.01 + Math.random() * 0.02;
					tween(starGraphics, {
						alpha: self.maxAlpha,
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 800 + Math.random() * 1200,
						easing: tween.easeIn
					});
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb
});

/**** 
* Game Code
****/ 
// Game variables
var gameSpeed = 6;
var speedIncrement = 0.002;
var maxSpeed = 12;
var isGameRunning = true;
var perfectPassBonus = 10;
var gemValue = 5;
// Background variables
var currentTheme = 'day';
var isTransitioning = false;
var stars = [];
var starsContainer;
// Background setup
var dayBg = game.addChild(LK.getAsset('dayBackground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
}));
var nightBg = game.addChild(LK.getAsset('nightBackground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	alpha: 0
}));
// Ground setup
var groundY = 2732 - 500;
var ground = game.addChild(LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: groundY
}));
// Underground brown rectangle
var underground = game.addChild(LK.getAsset('underground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: groundY + 200
}));
// Create stars container for night theme
starsContainer = game.addChild(new Container());
starsContainer.alpha = 0;
// Generate twinkling stars
for (var i = 0; i < 150; i++) {
	var star = starsContainer.addChild(new Star());
	star.x = Math.random() * 2048;
	star.y = Math.random() * (2732 * 0.6); // Stars only in upper 60% of screen
	stars.push(star);
}
// Create clouds container for day theme (before player)
var cloudsContainer = game.addChild(new Container());
// Create background elements container (behind character)
var backgroundElementsContainer = game.addChild(new Container());
// Player setup
var fluffball = game.addChild(new Fluffball());
fluffball.scaleX = 1.2;
fluffball.scaleY = 1.2;
fluffball.x = 300;
fluffball.y = groundY - 80;
fluffball.groundY = groundY - 80;
// Arrays for game objects
var jellyObstacles = [];
var gummyBees = [];
var sparkleGems = [];
var shadowBats = [];
var airCubes = [];
var clouds = [];
var backgroundElements = [];
// Timers for spawning
var obstacleSpawnTimer = 0;
var gemSpawnTimer = 0;
// Input tracking
var isHolding = false;
var lastClickTime = 0;
var doubleClickDelay = 300; // Maximum time between clicks for double click (ms)
// Score display
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF,
	stroke: 0x000000,
	strokeThickness: 8,
	font: "'Arial Black', 'Helvetica', sans-serif"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 100;
// Speed display
var speedTxt = new Text2('SPEED: 1x', {
	size: 40,
	fill: 0xFFFFFF,
	stroke: 0x000000,
	strokeThickness: 3
});
speedTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(speedTxt);
speedTxt.x = -50;
speedTxt.y = 50;
// Functions
function spawnJellyObstacle() {
	var obstacle = game.addChild(new JellyObstacle());
	obstacle.scaleX = 1.3;
	obstacle.scaleY = 1.3;
	obstacle.x = 2048 + 100;
	obstacle.y = groundY;
	obstacle.speed = gameSpeed;
	jellyObstacles.push(obstacle);
}
function spawnGummyBee() {
	var bee = game.addChild(new GummyBee());
	bee.scaleX = 1.3;
	bee.scaleY = 1.3;
	bee.x = 2048 + 100;
	// Create varied flight patterns - some high (requiring jumps), some low (safe at ground)
	var flightType = Math.random();
	if (flightType < 0.4) {
		// High flying bees that require jumping (40% chance)
		var baseHeight = groundY - 250 - Math.random() * 150;
		bee.verticalRange = 15 + Math.random() * 20; // Much smaller range for high flyers
	} else {
		// Low flying bees that are safe when character is on ground (60% chance)
		var baseHeight = groundY - 150 - Math.random() * 100;
		bee.verticalRange = 20 + Math.random() * 30; // Reduced range for low flyers
	}
	bee.y = baseHeight;
	bee.baseY = baseHeight;
	bee.speed = gameSpeed;
	gummyBees.push(bee);
}
function spawnSparkleGem() {
	var gem = game.addChild(new SparkleGem());
	gem.scaleX = 1.2;
	gem.scaleY = 1.2;
	gem.x = 2048 + 100;
	gem.y = groundY - 150 - Math.random() * 350;
	gem.speed = gameSpeed;
	sparkleGems.push(gem);
}
function spawnShadowBat() {
	var bat = game.addChild(new ShadowBat());
	bat.x = 2048 + 100;
	bat.y = groundY - 350 - Math.random() * 200;
	bat.speed = gameSpeed;
	bat.groundY = groundY; // Set ground reference for diving
	bat.zigzagRange = 200 + Math.random() * 100; // Increased range for more dramatic movement
	bat.zigzagSpeed = 4 + Math.random() * 2; // Slightly faster zigzag
	shadowBats.push(bat);
}
function spawnAirCube() {
	var cube = game.addChild(new AirCube());
	cube.x = 2048 + 100;
	cube.y = groundY - 280; // Much higher position for character to pass underneath
	cube.baseY = groundY - 280;
	cube.speed = gameSpeed;
	airCubes.push(cube);
}
function spawnCloud() {
	var cloud = cloudsContainer.addChild(new Cloud());
	cloud.x = 2048 + 200;
	cloud.y = 200 + Math.random() * 800; // Clouds in upper portion of sky
	clouds.push(cloud);
}
function spawnBackgroundElement() {
	var element = backgroundElementsContainer.addChild(new BackgroundElement());
	element.x = 2048 + 300;
	element.y = groundY; // Position at ground level
	backgroundElements.push(element);
}
function transitionBackground(newTheme) {
	if (isTransitioning || currentTheme === newTheme) return;
	isTransitioning = true;
	if (newTheme === 'night') {
		// Transition to night
		tween(dayBg, {
			alpha: 0
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
		tween(nightBg, {
			alpha: 1
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
		// Show twinkling stars during night
		tween(starsContainer, {
			alpha: 1
		}, {
			duration: 2000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				currentTheme = 'night';
				isTransitioning = false;
			}
		});
		// Hide clouds during night
		tween(cloudsContainer, {
			alpha: 0
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
	} else {
		// Transition to day
		tween(nightBg, {
			alpha: 0
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
		tween(dayBg, {
			alpha: 1
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
		// Hide twinkling stars during day
		tween(starsContainer, {
			alpha: 0
		}, {
			duration: 2000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				currentTheme = 'day';
				isTransitioning = false;
			}
		});
		// Show clouds during day
		tween(cloudsContainer, {
			alpha: 1
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
	}
}
function restartGame() {
	// Reset player position
	fluffball.x = 300;
	fluffball.y = groundY - 80;
	fluffball.velocityY = 0;
	fluffball.isJumping = false;
	fluffball.isDucking = false;
	fluffball.canDoubleJump = false;
	fluffball.hasDoubleJumped = false;
	// Reset game speed
	gameSpeed = 6;
	// Clear all obstacles and collectibles
	for (var i = jellyObstacles.length - 1; i >= 0; i--) {
		jellyObstacles[i].destroy();
	}
	jellyObstacles = [];
	for (var i = gummyBees.length - 1; i >= 0; i--) {
		gummyBees[i].destroy();
	}
	gummyBees = [];
	for (var i = sparkleGems.length - 1; i >= 0; i--) {
		sparkleGems[i].destroy();
	}
	sparkleGems = [];
	for (var i = shadowBats.length - 1; i >= 0; i--) {
		shadowBats[i].destroy();
	}
	shadowBats = [];
	for (var i = airCubes.length - 1; i >= 0; i--) {
		airCubes[i].destroy();
	}
	airCubes = [];
	for (var i = clouds.length - 1; i >= 0; i--) {
		clouds[i].destroy();
	}
	clouds = [];
	for (var i = backgroundElements.length - 1; i >= 0; i--) {
		backgroundElements[i].destroy();
	}
	backgroundElements = [];
	// Reset spawn timers
	obstacleSpawnTimer = 0;
	gemSpawnTimer = 0;
	// Reset theme to day
	currentTheme = 'day';
	dayBg.alpha = 1;
	nightBg.alpha = 0;
	starsContainer.alpha = 0;
	cloudsContainer.alpha = 1;
}
function checkCollisions() {
	// Check jelly obstacles
	for (var i = jellyObstacles.length - 1; i >= 0; i--) {
		var obstacle = jellyObstacles[i];
		// Initialize last intersection state if not set
		if (obstacle.lastIntersecting === undefined) {
			obstacle.lastIntersecting = false;
		}
		var currentIntersecting = fluffball.intersects(obstacle);
		// Only trigger collision on the exact frame when intersection starts
		if (!obstacle.lastIntersecting && currentIntersecting) {
			// Lose a life
			lives--;
			livesText.setText('♥ ' + lives);
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			// Flash lives text
			LK.effects.flashObject(livesText, 0xFFFFFF, 500);
			// Check if game over
			if (lives <= 0) {
				LK.showGameOver();
				return;
			} else {
				// Restart game while preserving score
				restartGame();
				return;
			}
		}
		// Update last intersection state
		obstacle.lastIntersecting = currentIntersecting;
		// Perfect pass bonus
		if (!obstacle.passed && obstacle.x < fluffball.x - 50) {
			obstacle.passed = true;
			LK.setScore(LK.getScore() + perfectPassBonus);
			// Animate score text
			tween(scoreTxt, {
				tint: 0xFF0000,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(scoreTxt, {
						tint: 0xFFFFFF,
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 150,
						easing: tween.easeIn
					});
				}
			});
		}
		// Remove off-screen obstacles
		if (obstacle.x < -100) {
			obstacle.destroy();
			jellyObstacles.splice(i, 1);
		}
	}
	// Check gummy bees
	for (var i = gummyBees.length - 1; i >= 0; i--) {
		var bee = gummyBees[i];
		var canCollide = true;
		// If fluffball is on ground, prevent collision with bees flying too high
		if (!fluffball.isJumping) {
			// Character collision area when on ground - extends from feet to head
			var fluffballTop = fluffball.y - 80; // Top of character
			var fluffballBottom = fluffball.y + 80; // Bottom of character
			// Only collide if bee is within the character's ground-level collision zone
			if (bee.y < fluffballTop - 20) {
				// Bee is too high above character when on ground - no collision
				canCollide = false;
			}
		}
		// Initialize last intersection state if not set
		if (bee.lastIntersecting === undefined) {
			bee.lastIntersecting = false;
		}
		var currentIntersecting = fluffball.intersects(bee) && canCollide;
		// Only trigger collision on the exact frame when intersection starts
		if (!bee.lastIntersecting && currentIntersecting) {
			// Lose a life
			lives--;
			livesText.setText('♥ ' + lives);
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			// Flash lives text
			LK.effects.flashObject(livesText, 0xFFFFFF, 500);
			// Check if game over
			if (lives <= 0) {
				LK.showGameOver();
				return;
			} else {
				// Restart game while preserving score
				restartGame();
				return;
			}
		}
		// Update last intersection state
		bee.lastIntersecting = currentIntersecting;
		// Perfect pass bonus
		if (!bee.passed && bee.x < fluffball.x - 50) {
			bee.passed = true;
			LK.setScore(LK.getScore() + perfectPassBonus);
			// Animate score text
			tween(scoreTxt, {
				tint: 0xFF0000,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(scoreTxt, {
						tint: 0xFFFFFF,
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 150,
						easing: tween.easeIn
					});
				}
			});
		}
		// Remove off-screen bees
		if (bee.x < -100) {
			bee.destroy();
			gummyBees.splice(i, 1);
		}
	}
	// Check sparkle gems
	for (var i = sparkleGems.length - 1; i >= 0; i--) {
		var gem = sparkleGems[i];
		// Initialize last intersection state if not set
		if (gem.lastIntersecting === undefined) {
			gem.lastIntersecting = false;
		}
		var currentIntersecting = fluffball.intersects(gem) && !gem.collected;
		// Only trigger collection on the exact frame when intersection starts
		if (!gem.lastIntersecting && currentIntersecting) {
			gem.collected = true;
			LK.setScore(LK.getScore() + gemValue);
			LK.getSound('collect').play();
			LK.effects.flashObject(gem, 0xffffff, 200);
			// Animate score text
			tween(scoreTxt, {
				tint: 0xFF0000,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(scoreTxt, {
						tint: 0xFFFFFF,
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 150,
						easing: tween.easeIn
					});
				}
			});
			// Remove gem with tween
			tween(gem, {
				alpha: 0,
				scaleX: 2,
				scaleY: 2
			}, {
				duration: 200,
				onFinish: function onFinish() {
					gem.destroy();
				}
			});
			sparkleGems.splice(i, 1);
		} else if (gem.x < -100) {
			gem.destroy();
			sparkleGems.splice(i, 1);
		}
		// Update last intersection state
		gem.lastIntersecting = currentIntersecting;
	}
	// Check shadow bats
	for (var i = shadowBats.length - 1; i >= 0; i--) {
		var bat = shadowBats[i];
		// Initialize last intersection state if not set
		if (bat.lastIntersecting === undefined) {
			bat.lastIntersecting = false;
		}
		var currentIntersecting = fluffball.intersects(bat);
		// Only trigger collision on the exact frame when intersection starts
		if (!bat.lastIntersecting && currentIntersecting) {
			// Lose a life
			lives--;
			livesText.setText('♥ ' + lives);
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			// Flash lives text
			LK.effects.flashObject(livesText, 0xFFFFFF, 500);
			// Check if game over
			if (lives <= 0) {
				LK.showGameOver();
				return;
			} else {
				// Restart game while preserving score
				restartGame();
				return;
			}
		}
		// Update last intersection state
		bat.lastIntersecting = currentIntersecting;
		// Perfect pass bonus
		if (!bat.passed && bat.x < fluffball.x - 50) {
			bat.passed = true;
			LK.setScore(LK.getScore() + perfectPassBonus);
			// Animate score text
			tween(scoreTxt, {
				tint: 0xFF0000,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(scoreTxt, {
						tint: 0xFFFFFF,
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 150,
						easing: tween.easeIn
					});
				}
			});
		}
		// Remove off-screen bats
		if (bat.x < -100) {
			bat.destroy();
			shadowBats.splice(i, 1);
		}
	}
	// Check air cubes - with collision detection enabled
	for (var i = airCubes.length - 1; i >= 0; i--) {
		var cube = airCubes[i];
		// Initialize last intersection state if not set
		if (cube.lastIntersecting === undefined) {
			cube.lastIntersecting = false;
		}
		var currentIntersecting = fluffball.intersects(cube);
		// Only trigger collision on the exact frame when intersection starts
		if (!cube.lastIntersecting && currentIntersecting) {
			// Lose a life
			lives--;
			livesText.setText('♥ ' + lives);
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			// Flash lives text
			LK.effects.flashObject(livesText, 0xFFFFFF, 500);
			// Check if game over
			if (lives <= 0) {
				LK.showGameOver();
				return;
			} else {
				// Restart game while preserving score
				restartGame();
				return;
			}
		}
		// Update last intersection state
		cube.lastIntersecting = currentIntersecting;
		// Perfect pass bonus
		if (!cube.passed && cube.x < fluffball.x - 50) {
			cube.passed = true;
			LK.setScore(LK.getScore() + perfectPassBonus);
			// Animate score text
			tween(scoreTxt, {
				tint: 0xFF0000,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(scoreTxt, {
						tint: 0xFFFFFF,
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 150,
						easing: tween.easeIn
					});
				}
			});
		}
		// Remove off-screen cubes
		if (cube.x < -100) {
			cube.destroy();
			airCubes.splice(i, 1);
		}
	}
}
// Input handlers
game.down = function (x, y, obj) {
	if (isGameRunning) {
		var currentTime = Date.now();
		var timeSinceLastClick = currentTime - lastClickTime;
		// Check for double click
		if (timeSinceLastClick < doubleClickDelay) {
			// Double click detected - trigger double jump immediately
			fluffball.jump();
		} else {
			// Single click - trigger jump immediately
			fluffball.jump();
		}
		lastClickTime = currentTime;
		isHolding = true;
		// Start ducking after a short delay if still holding
		LK.setTimeout(function () {
			if (isHolding) {
				fluffball.startDuck();
			}
		}, 200);
	}
};
game.up = function (x, y, obj) {
	isHolding = false;
	fluffball.stopDuck();
};
// Main game loop
game.update = function () {
	if (!isGameRunning) return;
	// Increase speed gradually
	if (gameSpeed < maxSpeed) {
		gameSpeed += speedIncrement;
	}
	// Update speed display
	var speedMultiplier = Math.floor(gameSpeed / 6 * 10) / 10;
	speedTxt.setText('SPEED: ' + speedMultiplier + 'x');
	// Update score display
	scoreTxt.setText(LK.getScore().toString());
	// Spawn obstacles with increased spacing
	obstacleSpawnTimer++;
	if (obstacleSpawnTimer > 160 - gameSpeed * 4) {
		obstacleSpawnTimer = 0;
		var randomValue = Math.random();
		if (randomValue < 0.4) {
			spawnJellyObstacle();
		} else if (randomValue < 0.75) {
			spawnGummyBee();
		} else if (randomValue < 0.9) {
			spawnShadowBat();
		} else {
			spawnAirCube();
		}
	}
	// Spawn gems with increased spacing
	gemSpawnTimer++;
	if (gemSpawnTimer > 220) {
		gemSpawnTimer = 0;
		if (Math.random() < 0.4) {
			spawnSparkleGem();
		}
	}
	// Update all objects speeds
	for (var i = 0; i < jellyObstacles.length; i++) {
		jellyObstacles[i].speed = gameSpeed;
	}
	for (var i = 0; i < gummyBees.length; i++) {
		gummyBees[i].speed = gameSpeed;
	}
	for (var i = 0; i < sparkleGems.length; i++) {
		sparkleGems[i].speed = gameSpeed;
	}
	for (var i = 0; i < shadowBats.length; i++) {
		shadowBats[i].speed = gameSpeed;
	}
	for (var i = 0; i < airCubes.length; i++) {
		airCubes[i].speed = gameSpeed;
	}
	// Spawn clouds only during day theme
	if (currentTheme === 'day' && Math.random() < 0.005) {
		// Low spawn rate for decoration
		spawnCloud();
	}
	// Spawn background elements at ground level
	if (Math.random() < 0.008) {
		// Spawn rate for ground-level scenery
		spawnBackgroundElement();
	}
	// Update and manage clouds
	for (var i = clouds.length - 1; i >= 0; i--) {
		var cloud = clouds[i];
		if (cloud.x < -300) {
			// Remove off-screen clouds
			cloud.destroy();
			clouds.splice(i, 1);
		}
	}
	// Update and manage background elements
	for (var i = backgroundElements.length - 1; i >= 0; i--) {
		var element = backgroundElements[i];
		if (element.x < -400) {
			// Remove off-screen background elements
			element.destroy();
			backgroundElements.splice(i, 1);
		}
	}
	// Check collisions
	checkCollisions();
	// Background transition based on score every 100 points
	var score = LK.getScore();
	var scoreThreshold = Math.floor(score / 100);
	if (scoreThreshold % 2 === 1) {
		// Odd hundreds (100, 300, 500...) = night
		transitionBackground('night');
	} else {
		// Even hundreds (0, 200, 400...) = day
		transitionBackground('day');
	}
};
// Game logo setup
var gameLogo = game.addChild(LK.getAsset('gameLogo', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2 - 800,
	alpha: 0.7,
	scaleX: 0.6,
	scaleY: 0.6
}));
// Start breathing animation for logo
function startLogoBreathing() {
	tween(gameLogo, {
		scaleX: 1.02,
		scaleY: 1.02
	}, {
		duration: 1200,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(gameLogo, {
				scaleX: 0.98,
				scaleY: 0.98
			}, {
				duration: 1200,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					startLogoBreathing(); // Loop the animation
				}
			});
		}
	});
}
// Start the breathing animation
startLogoBreathing();
// Initialize music state from storage (default to true if not set)
var isMusicEnabled = storage.musicEnabled !== undefined ? storage.musicEnabled : true;
// Lives system
var lives = 3;
var livesText = new Text2('♥ ' + lives, {
	size: 60,
	fill: 0xFF0000,
	stroke: 0x000000,
	strokeThickness: 4,
	font: "'Arial Black', 'Helvetica', sans-serif"
});
livesText.anchor.set(0.5, 0.5);
LK.gui.topLeft.addChild(livesText);
livesText.x = 150;
livesText.y = 120;
// Music control button
var musicBtn = new Text2(isMusicEnabled ? '♪' : '♪✗', {
	size: 50,
	fill: isMusicEnabled ? 0x00FF00 : 0xFFFFFF,
	stroke: 0x000000,
	strokeThickness: 3,
	font: "'Arial Black', 'Helvetica', sans-serif"
});
musicBtn.anchor.set(0.5, 0.5);
LK.gui.topRight.addChild(musicBtn);
musicBtn.x = -200;
musicBtn.y = 120;
// Show tutorial at game start
isGameRunning = false; // Start with game paused
// Create tutorial overlay
var tutorialOverlay = game.addChild(new Container());
// Semi-transparent background
var overlayBg = tutorialOverlay.attachAsset('underground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732,
	alpha: 0.8,
	scaleX: 1,
	scaleY: 5.464
});
overlayBg.tint = 0x000000;
// Tutorial title
var titleText = new Text2('HOW TO PLAY', {
	size: 80,
	fill: 0xFFFFFF,
	stroke: 0x000000,
	strokeThickness: 6,
	font: "'Arial Black', 'Helvetica', sans-serif"
});
titleText.anchor.set(0.5, 0.5);
tutorialOverlay.addChild(titleText);
titleText.x = 1024;
titleText.y = 400;
// Tutorial instructions in English
var instructionTexts = ['TAP TO JUMP', 'HOLD TO DUCK', 'DOUBLE TAP FOR DOUBLE JUMP', 'AVOID OBSTACLES', 'COLLECT GEMS ✦', 'PASS CLOSE TO ENEMIES = +10 POINTS'];
for (var i = 0; i < instructionTexts.length; i++) {
	var instructText = new Text2(instructionTexts[i], {
		size: 50,
		fill: 0xFFFFFF,
		stroke: 0x000000,
		strokeThickness: 3,
		font: "'Arial Black', 'Helvetica', sans-serif"
	});
	instructText.anchor.set(0.5, 0.5);
	tutorialOverlay.addChild(instructText);
	instructText.x = 1024;
	instructText.y = 600 + i * 80;
}
// Start game button
var startBtn = new Text2('START GAME', {
	size: 60,
	fill: 0x00FF00,
	stroke: 0x000000,
	strokeThickness: 4,
	font: "'Arial Black', 'Helvetica', sans-serif"
});
startBtn.anchor.set(0.5, 0.5);
tutorialOverlay.addChild(startBtn);
startBtn.x = 1024;
startBtn.y = 1200;
// Start button interaction
startBtn.down = function () {
	LK.effects.flashObject(startBtn, 0xFFFFFF, 200);
	// Start the game
	isGameRunning = true;
	// Fade out and remove tutorial
	tween(tutorialOverlay, {
		alpha: 0
	}, {
		duration: 300,
		onFinish: function onFinish() {
			tutorialOverlay.destroy();
		}
	});
};
// Allow starting by tapping background
overlayBg.down = function () {
	// Start the game
	isGameRunning = true;
	tween(tutorialOverlay, {
		alpha: 0
	}, {
		duration: 300,
		onFinish: function onFinish() {
			tutorialOverlay.destroy();
		}
	});
};
// Fade in tutorial
tutorialOverlay.alpha = 0;
tween(tutorialOverlay, {
	alpha: 1
}, {
	duration: 300
});
// Music button interaction
musicBtn.down = function (x, y, obj) {
	// Toggle music state
	isMusicEnabled = !isMusicEnabled;
	// Save to storage
	storage.musicEnabled = isMusicEnabled;
	// Update button appearance and text
	musicBtn.setText(isMusicEnabled ? '♪' : '♪✗');
	musicBtn.fill = isMusicEnabled ? 0x00FF00 : 0xFFFFFF;
	// Flash button to show it was pressed
	LK.effects.flashObject(musicBtn, 0xFFFF00, 300);
	// Control music playback
	if (isMusicEnabled) {
		try {
			LK.playMusic('backgroundMusic');
		} catch (e) {
			console.log('Music failed to play:', e);
		}
	} else {
		try {
			LK.stopMusic();
		} catch (e) {
			console.log('Music failed to stop:', e);
		}
	}
};
// Start background music if enabled
if (isMusicEnabled) {
	try {
		LK.playMusic('backgroundMusic');
	} catch (e) {
		console.log('Music failed to play:', e);
	}
}
;
;

===================================================================
--- original.js
+++ change.js
@@ -744,8 +744,58 @@
 			easing: tween.easeInOut
 		});
 	}
 }
+function restartGame() {
+	// Reset player position
+	fluffball.x = 300;
+	fluffball.y = groundY - 80;
+	fluffball.velocityY = 0;
+	fluffball.isJumping = false;
+	fluffball.isDucking = false;
+	fluffball.canDoubleJump = false;
+	fluffball.hasDoubleJumped = false;
+	// Reset game speed
+	gameSpeed = 6;
+	// Clear all obstacles and collectibles
+	for (var i = jellyObstacles.length - 1; i >= 0; i--) {
+		jellyObstacles[i].destroy();
+	}
+	jellyObstacles = [];
+	for (var i = gummyBees.length - 1; i >= 0; i--) {
+		gummyBees[i].destroy();
+	}
+	gummyBees = [];
+	for (var i = sparkleGems.length - 1; i >= 0; i--) {
+		sparkleGems[i].destroy();
+	}
+	sparkleGems = [];
+	for (var i = shadowBats.length - 1; i >= 0; i--) {
+		shadowBats[i].destroy();
+	}
+	shadowBats = [];
+	for (var i = airCubes.length - 1; i >= 0; i--) {
+		airCubes[i].destroy();
+	}
+	airCubes = [];
+	for (var i = clouds.length - 1; i >= 0; i--) {
+		clouds[i].destroy();
+	}
+	clouds = [];
+	for (var i = backgroundElements.length - 1; i >= 0; i--) {
+		backgroundElements[i].destroy();
+	}
+	backgroundElements = [];
+	// Reset spawn timers
+	obstacleSpawnTimer = 0;
+	gemSpawnTimer = 0;
+	// Reset theme to day
+	currentTheme = 'day';
+	dayBg.alpha = 1;
+	nightBg.alpha = 0;
+	starsContainer.alpha = 0;
+	cloudsContainer.alpha = 1;
+}
 function checkCollisions() {
 	// Check jelly obstacles
 	for (var i = jellyObstacles.length - 1; i >= 0; i--) {
 		var obstacle = jellyObstacles[i];
@@ -766,8 +816,12 @@
 			// Check if game over
 			if (lives <= 0) {
 				LK.showGameOver();
 				return;
+			} else {
+				// Restart game while preserving score
+				restartGame();
+				return;
 			}
 		}
 		// Update last intersection state
 		obstacle.lastIntersecting = currentIntersecting;
@@ -833,8 +887,12 @@
 			// Check if game over
 			if (lives <= 0) {
 				LK.showGameOver();
 				return;
+			} else {
+				// Restart game while preserving score
+				restartGame();
+				return;
 			}
 		}
 		// Update last intersection state
 		bee.lastIntersecting = currentIntersecting;
@@ -940,8 +998,12 @@
 			// Check if game over
 			if (lives <= 0) {
 				LK.showGameOver();
 				return;
+			} else {
+				// Restart game while preserving score
+				restartGame();
+				return;
 			}
 		}
 		// Update last intersection state
 		bat.lastIntersecting = currentIntersecting;
@@ -995,8 +1057,12 @@
 			// Check if game over
 			if (lives <= 0) {
 				LK.showGameOver();
 				return;
+			} else {
+				// Restart game while preserving score
+				restartGame();
+				return;
 			}
 		}
 		// Update last intersection state
 		cube.lastIntersecting = currentIntersecting;