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

/**** 
* Classes
****/ 
var BackgroundStar = 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.baseAlpha = 0.3 + Math.random() * 0.7;
	self.update = function () {
		// Direct property updates instead of creating tweens every frame
		var twinkle = Math.sin(LK.ticks * self.twinkleSpeed + self.twinkleOffset) * 0.3 + 0.7;
		self.alpha = self.baseAlpha * twinkle;
		// Direct position updates for smooth movement
		self.x += Math.sin(LK.ticks * 0.01 + self.twinkleOffset) * 0.02;
		self.y += Math.cos(LK.ticks * 0.008 + self.twinkleOffset) * 0.015;
	};
	return self;
});
var InterferenceField = Container.expand(function () {
	var self = Container.call(this);
	var fieldGraphics = self.attachAsset('interferenceField', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.dimension = 0;
	self.pulseDirection = 1;
	self.setDimension = function (dim) {
		self.dimension = dim;
		self.alpha = 0.8;
	};
	self.update = function () {
		// Direct rotation update
		fieldGraphics.rotation += 0.015;
		// Direct alpha updates instead of creating tweens every frame
		if (self.dimension === currentDimension) {
			self.alpha = 0.7 + Math.sin(LK.ticks * 0.05) * 0.3;
		} else {
			self.alpha = 0.2;
		}
		// Direct position updates for moving fields
		if (self.moveDirection !== undefined) {
			var moveSpeed = 4;
			// Increase speed for level 8+
			if (level >= 8) {
				moveSpeed = 6;
			}
			// Ultra-fast speed for level 16+
			if (level >= 16) {
				moveSpeed = 9;
			}
			// Extreme speed for level 11+
			if (level >= 11) {
				moveSpeed = 7;
			}
			self.x += self.moveDirection * moveSpeed;
			if (self.x <= self.minX || self.x >= self.maxX) {
				self.moveDirection *= -1;
			}
		}
	};
	return self;
});
var Particle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.dimension = 0;
	self.originalPosition = {
		x: 0,
		y: 0
	};
	self.isBeingDragged = false;
	self.isCollected = false;
	self.entangledWith = null;
	self.setDimension = function (dim) {
		self.dimension = dim;
		self.alpha = 1.0;
	};
	self.startDrag = function () {
		self.isBeingDragged = true;
		tween(particleGraphics, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200
		});
	};
	self.stopDrag = function () {
		self.isBeingDragged = false;
		tween(particleGraphics, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 200
		});
	};
	self.collect = function () {
		self.isCollected = true;
		// Enhanced collection animation with bounce effect
		tween(self, {
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 150,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					alpha: 0,
					scaleX: 0.1,
					scaleY: 0.1
				}, {
					duration: 200,
					easing: tween.easeIn,
					onFinish: function onFinish() {
						self.visible = false;
					}
				});
			}
		});
	};
	self.update = function () {
		if (self.isCollected) return;
		// Initialize collision tracking
		if (self.lastCoreIntersecting === undefined) {
			self.lastCoreIntersecting = false;
		}
		// Check collision with quantum core - only trigger on first contact
		var currentCoreIntersecting = false;
		if (self.dimension === currentDimension && quantumCore) {
			// Use proper bounds checking for accurate collision detection
			var particleHalfWidth = self.width / 2;
			var particleHalfHeight = self.height / 2;
			var coreHalfWidth = quantumCore.width / 2;
			var coreHalfHeight = quantumCore.height / 2;
			currentCoreIntersecting = Math.abs(self.x - quantumCore.x) < particleHalfWidth + coreHalfWidth && Math.abs(self.y - quantumCore.y) < particleHalfHeight + coreHalfHeight;
		}
		if (!self.lastCoreIntersecting && currentCoreIntersecting) {
			self.collect();
			LK.getSound('collectSound').play();
			particlesCollected++;
			checkWinCondition();
		}
		self.lastCoreIntersecting = currentCoreIntersecting;
		// Check collision with interference fields
		for (var i = 0; i < interferenceFields.length; i++) {
			var field = interferenceFields[i];
			if (field.dimension === self.dimension) {
				// Use proper bounds checking for accurate collision detection
				var particleHalfWidth = self.width / 2;
				var particleHalfHeight = self.height / 2;
				var fieldHalfWidth = field.width / 2;
				var fieldHalfHeight = field.height / 2;
				var isColliding = Math.abs(self.x - field.x) < particleHalfWidth + fieldHalfWidth && Math.abs(self.y - field.y) < particleHalfHeight + fieldHalfHeight;
				if (isColliding) {
					resetLevel();
					return;
				}
			}
		}
		// Handle entanglement
		if (self.entangledWith && !self.isBeingDragged && self.entangledWith.isBeingDragged) {
			self.x = self.entangledWith.x + 150;
			self.y = self.entangledWith.y;
		}
	};
	self.down = function (x, y, obj) {
		// Drag handling is now managed by game.down event handler
	};
	return self;
});
var Portal = Container.expand(function () {
	var self = Container.call(this);
	var portalGraphics = self.attachAsset('portal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.dimension = 0;
	self.targetDimension = 1;
	self.setDimension = function (dim) {
		self.dimension = dim;
		self.alpha = 1.0;
	};
	self.update = function () {
		// Direct rotation update
		portalGraphics.rotation += 0.02;
		// Check if particles are transported through portal
		for (var i = 0; i < particles.length; i++) {
			var particle = particles[i];
			if (particle.dimension === self.dimension && !particle.isBeingDragged) {
				// Use proper bounds checking for accurate collision detection
				var portalHalfWidth = self.width / 2;
				var portalHalfHeight = self.height / 2;
				var particleHalfWidth = particle.width / 2;
				var particleHalfHeight = particle.height / 2;
				var isColliding = Math.abs(self.x - particle.x) < portalHalfWidth + particleHalfWidth && Math.abs(self.y - particle.y) < portalHalfHeight + particleHalfHeight;
				if (isColliding) {
					particle.setDimension(self.targetDimension);
					LK.getSound('portalSound').play();
					LK.effects.flashObject(self, 0xffffff, 300);
				}
			}
		}
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'timeBoost'; // Default type
	self.dimension = 0;
	self.isCollected = false;
	self.powerUpGraphics = null;
	self.floatOffset = Math.random() * Math.PI * 2;
	self.floatSpeed = 0.02 + Math.random() * 0.01;
	self.glowDirection = 1;
	self.glowIntensity = 1.0;
	self.setType = function (type) {
		self.type = type;
		if (self.powerUpGraphics) {
			self.powerUpGraphics.destroy();
		}
		var assetName = type === 'timeBoost' ? 'timeBoost' : type === 'shield' ? 'shieldPower' : 'slowMotion';
		self.powerUpGraphics = self.attachAsset(assetName, {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.setDimension = function (dim) {
		self.dimension = dim;
		self.alpha = 1.0;
	};
	self.collect = function () {
		self.isCollected = true;
		LK.getSound('powerUpSound').play();
		// Collect animation with burst effect
		tween(self, {
			scaleX: 2.0,
			scaleY: 2.0,
			alpha: 0
		}, {
			duration: 400,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.visible = false;
			}
		});
		// Apply power-up effect
		self.applyEffect();
	};
	self.applyEffect = function () {
		if (self.type === 'timeBoost') {
			timeRemaining += 10000; // Add 10 seconds
			LK.effects.flashScreen(0x00ff00, 300);
		} else if (self.type === 'shield') {
			shieldActive = true;
			shieldTimeRemaining = 8000; // 8 seconds of shield
			LK.effects.flashScreen(0x0088ff, 300);
		} else if (self.type === 'slowMotion') {
			slowMotionActive = true;
			slowMotionTimeRemaining = 6000; // 6 seconds of slow motion
			LK.effects.flashScreen(0xff8800, 300);
		}
	};
	self.update = function () {
		if (self.isCollected) return;
		// Initialize collision tracking
		if (self.lastPlayerIntersecting === undefined) {
			self.lastPlayerIntersecting = false;
		}
		// Floating animation
		self.y += Math.sin(LK.ticks * self.floatSpeed + self.floatOffset) * 0.5;
		// Glow effect
		self.glowIntensity += self.glowDirection * 0.02;
		if (self.glowIntensity > 1.3) {
			self.glowIntensity = 1.3;
			self.glowDirection = -1;
		} else if (self.glowIntensity < 0.7) {
			self.glowIntensity = 0.7;
			self.glowDirection = 1;
		}
		self.scaleX = self.glowIntensity;
		self.scaleY = self.glowIntensity;
		// Rotation for visual appeal
		if (self.powerUpGraphics) {
			self.powerUpGraphics.rotation += 0.03;
		}
		// Check collision with dragged particles
		if (draggedParticle && draggedParticle.dimension === self.dimension) {
			// Use proper bounds checking for more accurate collision detection
			var powerUpHalfWidth = self.width / 2;
			var powerUpHalfHeight = self.height / 2;
			var particleHalfWidth = draggedParticle.width / 2;
			var particleHalfHeight = draggedParticle.height / 2;
			var currentPlayerIntersecting = Math.abs(self.x - draggedParticle.x) < powerUpHalfWidth + particleHalfWidth && Math.abs(self.y - draggedParticle.y) < powerUpHalfHeight + particleHalfHeight;
			if (!self.lastPlayerIntersecting && currentPlayerIntersecting) {
				self.collect();
			}
			self.lastPlayerIntersecting = currentPlayerIntersecting;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000033
});

/**** 
* Game Code
****/ 
var currentDimension = 0;
var totalDimensions = 2;
var particles = [];
var portals = [];
var interferenceFields = [];
var quantumCore;
var draggedParticle = null;
var dragOffset = {
	x: 0,
	y: 0
};
var particlesCollected = 0;
var totalParticles = 0;
var level = 1;
var timeLimit = 25000; // 25 seconds in milliseconds
var timeRemaining = timeLimit;
var timerActive = false;
var dimensionSwitches = 0;
var maxDimensionSwitches = 5;
var backgroundStars = [];
var powerUps = [];
var shieldActive = false;
var shieldTimeRemaining = 0;
var slowMotionActive = false;
var slowMotionTimeRemaining = 0;
var powerUpSpawnTimer = 0;
var powerUpSpawnInterval = 15000; // Spawn power-up every 15 seconds
// UI Elements
var dimensionText = new Text2('Dimension: 0', {
	size: 60,
	fill: 0xFFFFFF
});
dimensionText.anchor.set(0.5, 0);
LK.gui.top.addChild(dimensionText);
var levelText = new Text2('Level: 1', {
	size: 50,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0);
levelText.y = 100;
LK.gui.top.addChild(levelText);
var instructionText = new Text2('Tap to switch dimensions', {
	size: 40,
	fill: 0xCCCCCC
});
instructionText.anchor.set(0.5, 1);
LK.gui.bottom.addChild(instructionText);
var timerText = new Text2('Time: 25s', {
	size: 50,
	fill: 0xFFFFFF
});
timerText.anchor.set(0.5, 0);
timerText.y = 160;
LK.gui.top.addChild(timerText);
var shieldText = new Text2('SHIELD ACTIVE', {
	size: 45,
	fill: 0x0088ff
});
shieldText.anchor.set(0.5, 0);
shieldText.y = 220;
shieldText.visible = false;
LK.gui.top.addChild(shieldText);
var slowMotionText = new Text2('SLOW MOTION', {
	size: 45,
	fill: 0xff8800
});
slowMotionText.anchor.set(0.5, 0);
slowMotionText.y = 280;
slowMotionText.visible = false;
LK.gui.top.addChild(slowMotionText);
// Create dimension indicators
var dimensionIndicators = [];
for (var d = 0; d < totalDimensions; d++) {
	var indicator = LK.getAsset('dimensionIndicator', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024 + d * 60,
		y: 150
	});
	dimensionIndicators.push(indicator);
	LK.gui.addChild(indicator);
}
function initializeLevel() {
	// Clear existing elements
	for (var i = 0; i < particles.length; i++) {
		particles[i].destroy();
	}
	for (var i = 0; i < portals.length; i++) {
		portals[i].destroy();
	}
	for (var i = 0; i < interferenceFields.length; i++) {
		interferenceFields[i].destroy();
	}
	for (var i = 0; i < backgroundStars.length; i++) {
		backgroundStars[i].destroy();
	}
	for (var i = 0; i < powerUps.length; i++) {
		powerUps[i].destroy();
	}
	backgroundStars = [];
	particles = [];
	portals = [];
	interferenceFields = [];
	powerUps = [];
	particlesCollected = 0;
	currentDimension = 0;
	// Reset and start timer
	var timeReduction = (level - 1) * 1500;
	// Extra time reduction for extreme levels
	if (level >= 11) {
		timeReduction += (level - 10) * 500;
	}
	if (level >= 16) {
		timeReduction += (level - 15) * 300;
	}
	timeRemaining = Math.max(6000, timeLimit - timeReduction); // Minimum 6 seconds for extreme levels
	timerActive = true;
	dimensionSwitches = 0;
	maxDimensionSwitches = Math.max(1, 6 - Math.min(level, 5)); // Fewer switches allowed at higher levels, minimum 1
	// Reset power-up system
	shieldActive = false;
	shieldTimeRemaining = 0;
	slowMotionActive = false;
	slowMotionTimeRemaining = 0;
	powerUpSpawnTimer = 0;
	shieldText.visible = false;
	slowMotionText.visible = false;
	// Create quantum core
	if (quantumCore) {
		quantumCore.destroy();
	}
	quantumCore = game.addChild(LK.getAsset('quantumCore', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 800
	}));
	// Create background star field
	var numStars = 80 + level * 15;
	for (var i = 0; i < numStars; i++) {
		var star = game.addChild(new BackgroundStar());
		star.x = Math.random() * 2048;
		star.y = Math.random() * 2732;
		star.scaleX = 0.5 + Math.random() * 1.5;
		star.scaleY = star.scaleX;
		backgroundStars.push(star);
	}
	// Create orbital particles around quantum core
	for (var i = 0; i < 8; i++) {
		var orbitalStar = game.addChild(new BackgroundStar());
		var angle = i / 8 * Math.PI * 2;
		var radius = 200 + Math.random() * 100;
		orbitalStar.x = quantumCore.x + Math.cos(angle) * radius;
		orbitalStar.y = quantumCore.y + Math.sin(angle) * radius;
		orbitalStar.scaleX = 1.5;
		orbitalStar.scaleY = 1.5;
		orbitalStar.orbitalAngle = angle;
		orbitalStar.orbitalRadius = radius;
		orbitalStar.orbitalSpeed = 0.01 + Math.random() * 0.02;
		backgroundStars.push(orbitalStar);
	}
	// Level 1 setup
	if (level === 1) {
		// Simple particles in different dimensions
		var particle1 = game.addChild(new Particle());
		particle1.x = 300;
		particle1.y = 1600;
		particle1.setDimension(0);
		particle1.lastCoreIntersecting = false;
		particles.push(particle1);
		var particle2 = game.addChild(new Particle());
		particle2.x = 1700;
		particle2.y = 1600;
		particle2.setDimension(1);
		particle2.lastCoreIntersecting = false;
		particles.push(particle2);
		// Portal to connect dimensions
		var portal1 = game.addChild(new Portal());
		portal1.x = 1024;
		portal1.y = 1600;
		portal1.dimension = 0;
		portal1.targetDimension = 1;
		portal1.setDimension(0);
		portals.push(portal1);
		totalParticles = 2;
	} else {
		// Progressive levels with more complexity
		var numParticles = Math.min(level + 1, 4);
		var numFields = Math.min(level, 5); // More interference fields
		for (var i = 0; i < numParticles; i++) {
			var particle = game.addChild(new Particle());
			particle.x = 200 + i * 400;
			particle.y = 1800 + i % 2 * 400;
			particle.setDimension(i % totalDimensions);
			particle.lastCoreIntersecting = false;
			particles.push(particle);
		}
		// Create entangled pairs for higher levels
		if (level >= 3 && particles.length >= 2) {
			particles[0].entangledWith = particles[1];
			particles[1].entangledWith = particles[0];
		}
		// Create portals
		for (var i = 0; i < 2; i++) {
			var portal = game.addChild(new Portal());
			portal.x = 400 + i * 1200;
			portal.y = 1200;
			portal.dimension = i;
			portal.targetDimension = (i + 1) % totalDimensions;
			portal.setDimension(i);
			portals.push(portal);
		}
		// Create interference fields
		for (var i = 0; i < numFields; i++) {
			var field = game.addChild(new InterferenceField());
			field.x = 300 + i * 600;
			field.y = 1000 + i % 2 * 400;
			field.setDimension(i % totalDimensions);
			// Add movement to interference fields for higher levels
			if (level >= 2) {
				field.moveDirection = i % 2 === 0 ? 1 : -1;
				field.minX = 100;
				field.maxX = 1948;
			}
			interferenceFields.push(field);
		}
		// Add additional moving barriers for higher levels
		if (level >= 2) {
			var movingField = game.addChild(new InterferenceField());
			movingField.x = 1024;
			movingField.y = 1400;
			movingField.setDimension(0);
			movingField.moveDirection = 1;
			movingField.minX = 200;
			movingField.maxX = 1848;
			interferenceFields.push(movingField);
		}
		// Add second moving barrier for level 3+
		if (level >= 3) {
			var movingField2 = game.addChild(new InterferenceField());
			movingField2.x = 500;
			movingField2.y = 2000;
			movingField2.setDimension(1);
			movingField2.moveDirection = -1;
			movingField2.minX = 100;
			movingField2.maxX = 1948;
			interferenceFields.push(movingField2);
		}
		// Add third moving barrier for level 4+
		if (level >= 4) {
			var movingField3 = game.addChild(new InterferenceField());
			movingField3.x = 1500;
			movingField3.y = 1600;
			movingField3.setDimension(0);
			movingField3.moveDirection = 1;
			movingField3.minX = 300;
			movingField3.maxX = 1700;
			interferenceFields.push(movingField3);
		}
		// Add fourth moving barrier for level 5+
		if (level >= 5) {
			var movingField4 = game.addChild(new InterferenceField());
			movingField4.x = 800;
			movingField4.y = 1800;
			movingField4.setDimension(1);
			movingField4.moveDirection = -1;
			movingField4.minX = 200;
			movingField4.maxX = 1800;
			interferenceFields.push(movingField4);
		}
		// Advanced levels 6-10 with additional challenges
		if (level >= 6) {
			// Add more particles for higher levels
			var extraParticles = Math.min(level - 5, 3);
			for (var j = 0; j < extraParticles; j++) {
				var extraParticle = game.addChild(new Particle());
				extraParticle.x = 400 + j * 300;
				extraParticle.y = 2200 + j % 2 * 200;
				extraParticle.setDimension(j % totalDimensions);
				extraParticle.lastCoreIntersecting = false;
				particles.push(extraParticle);
			}
			totalParticles += extraParticles;
			// Add additional moving barriers
			var numExtraFields = Math.min(level - 5, 4);
			for (var k = 0; k < numExtraFields; k++) {
				var extraField = game.addChild(new InterferenceField());
				extraField.x = 200 + k * 400;
				extraField.y = 1300 + k % 2 * 300;
				extraField.setDimension(k % totalDimensions);
				extraField.moveDirection = k % 2 === 0 ? 1 : -1;
				extraField.minX = 100;
				extraField.maxX = 1948;
				interferenceFields.push(extraField);
			}
		}
		// Level 8+ speed increase is now handled in the InterferenceField update method
		// Level 10 gets entangled triplets
		if (level >= 10 && particles.length >= 3) {
			particles[0].entangledWith = particles[1];
			particles[1].entangledWith = particles[2];
			particles[2].entangledWith = particles[0];
		}
		// Advanced levels 11-15 with extreme challenges
		if (level >= 11) {
			// Add even more particles for extreme levels
			var extremeParticles = Math.min(level - 10, 5);
			for (var m = 0; m < extremeParticles; m++) {
				var extremeParticle = game.addChild(new Particle());
				extremeParticle.x = 150 + m * 250;
				extremeParticle.y = 2400 + m % 2 * 150;
				extremeParticle.setDimension(m % totalDimensions);
				extremeParticle.lastCoreIntersecting = false;
				particles.push(extremeParticle);
			}
			totalParticles += extremeParticles;
			// Add maze-like interference field patterns
			var mazeFields = Math.min(level - 10, 6);
			for (var n = 0; n < mazeFields; n++) {
				var mazeField = game.addChild(new InterferenceField());
				mazeField.x = 300 + n * 200;
				mazeField.y = 1100 + n % 3 * 200;
				mazeField.setDimension(n % totalDimensions);
				mazeField.moveDirection = n % 2 === 0 ? 1 : -1;
				mazeField.minX = 50;
				mazeField.maxX = 1998;
				interferenceFields.push(mazeField);
			}
		}
		// Master levels 16-20 with ultimate difficulty
		if (level >= 16) {
			// Add master-level particles
			var masterParticles = Math.min(level - 15, 4);
			for (var p = 0; p < masterParticles; p++) {
				var masterParticle = game.addChild(new Particle());
				masterParticle.x = 200 + p * 400;
				masterParticle.y = 2500 + p % 2 * 100;
				masterParticle.setDimension(p % totalDimensions);
				masterParticle.lastCoreIntersecting = false;
				particles.push(masterParticle);
			}
			totalParticles += masterParticles;
			// Create complex entanglement networks
			if (particles.length >= 4) {
				for (var q = 0; q < Math.min(particles.length - 1, 6); q++) {
					if (q + 1 < particles.length) {
						particles[q].entangledWith = particles[q + 1];
					}
				}
			}
			// Add ultra-fast moving barriers
			var ultraFields = Math.min(level - 15, 8);
			for (var r = 0; r < ultraFields; r++) {
				var ultraField = game.addChild(new InterferenceField());
				ultraField.x = 100 + r * 180;
				ultraField.y = 1200 + r % 4 * 150;
				ultraField.setDimension(r % totalDimensions);
				ultraField.moveDirection = r % 2 === 0 ? 1 : -1;
				ultraField.minX = 50;
				ultraField.maxX = 1998;
				interferenceFields.push(ultraField);
			}
		}
		totalParticles = numParticles;
	}
	updateDimensionDisplay();
	levelText.setText('Level: ' + level);
}
function updateDimensionDisplay() {
	dimensionText.setText('Dimension: ' + currentDimension);
	instructionText.setText('Switches: ' + dimensionSwitches + '/' + maxDimensionSwitches);
	for (var i = 0; i < dimensionIndicators.length; i++) {
		var indicator = dimensionIndicators[i];
		tween(indicator, {
			alpha: i === currentDimension ? 1.0 : 0.3,
			scaleX: i === currentDimension ? 1.5 : 1.0,
			scaleY: i === currentDimension ? 1.5 : 1.0
		}, {
			duration: 300,
			easing: tween.easeOut
		});
	}
	// Update all objects for dimension visibility
	for (var i = 0; i < particles.length; i++) {
		tween(particles[i], {
			alpha: particles[i].dimension === currentDimension ? 1.0 : 0.3
		}, {
			duration: 250,
			easing: tween.easeInOut
		});
	}
	for (var i = 0; i < portals.length; i++) {
		tween(portals[i], {
			alpha: portals[i].dimension === currentDimension ? 1.0 : 0.2
		}, {
			duration: 250,
			easing: tween.easeInOut
		});
	}
	for (var i = 0; i < interferenceFields.length; i++) {
		tween(interferenceFields[i], {
			alpha: interferenceFields[i].dimension === currentDimension ? 0.8 : 0.2
		}, {
			duration: 250,
			easing: tween.easeInOut
		});
	}
	for (var i = 0; i < powerUps.length; i++) {
		tween(powerUps[i], {
			alpha: powerUps[i].dimension === currentDimension ? 1.0 : 0.3
		}, {
			duration: 250,
			easing: tween.easeInOut
		});
	}
}
function switchDimension() {
	if (dimensionSwitches >= maxDimensionSwitches) {
		LK.effects.flashScreen(0xFF0000, 200);
		return; // No more switches allowed
	}
	dimensionSwitches++;
	timeRemaining -= 2000; // Penalty: lose 2 seconds per switch
	currentDimension = (currentDimension + 1) % totalDimensions;
	updateDimensionDisplay();
	LK.getSound('dimensionShift').play();
	LK.effects.flashScreen(0x440088, 200);
}
function checkWinCondition() {
	if (particlesCollected >= totalParticles) {
		timerActive = false; // Stop timer when level complete
		level++;
		LK.setTimeout(function () {
			if (level > 20) {
				LK.showYouWin();
			} else {
				initializeLevel();
			}
		}, 1000);
	}
}
function resetLevel() {
	// Check if shield is active to prevent death
	if (shieldActive) {
		shieldActive = false;
		shieldTimeRemaining = 0;
		shieldText.visible = false;
		LK.effects.flashScreen(0x0088ff, 300);
		return; // Shield absorbed the hit
	}
	LK.effects.flashScreen(0xff0000, 500);
	LK.setTimeout(function () {
		initializeLevel();
	}, 600);
}
function spawnPowerUp() {
	if (powerUps.length >= 2) return; // Maximum 2 power-ups on screen
	var powerUp = game.addChild(new PowerUp());
	powerUp.x = 200 + Math.random() * 1648;
	powerUp.y = 400 + Math.random() * 1000;
	powerUp.setDimension(Math.floor(Math.random() * totalDimensions));
	// Random power-up type
	var types = ['timeBoost', 'shield', 'slowMotion'];
	var randomType = types[Math.floor(Math.random() * types.length)];
	powerUp.setType(randomType);
	powerUp.lastPlayerIntersecting = false;
	powerUps.push(powerUp);
}
// Event handlers
game.down = function (x, y, obj) {
	var hitParticle = false;
	for (var i = 0; i < particles.length; i++) {
		var particle = particles[i];
		if (particle.dimension === currentDimension && !particle.isCollected) {
			// Use proper bounds checking based on particle's actual asset dimensions
			var halfWidth = particle.width / 2;
			var halfHeight = particle.height / 2;
			// Check if touch point is within particle bounds
			if (x >= particle.x - halfWidth && x <= particle.x + halfWidth && y >= particle.y - halfHeight && y <= particle.y + halfHeight) {
				draggedParticle = particle;
				particle.startDrag();
				dragOffset.x = x - particle.x;
				dragOffset.y = y - particle.y;
				hitParticle = true;
				break;
			}
		}
	}
	if (!hitParticle) {
		switchDimension();
	}
};
game.move = function (x, y, obj) {
	if (draggedParticle && !draggedParticle.isCollected) {
		var targetX = x - dragOffset.x;
		var targetY = y - dragOffset.y;
		// Keep particle within bounds
		targetX = Math.max(80, Math.min(1968, targetX));
		targetY = Math.max(80, Math.min(2652, targetY));
		// Direct position update for responsive dragging
		draggedParticle.x = targetX;
		draggedParticle.y = targetY;
		// Reduce trail effect frequency to improve performance
		if (LK.ticks % 10 === 0) {
			var trailStar = game.addChild(new BackgroundStar());
			trailStar.x = draggedParticle.x + (Math.random() - 0.5) * 20;
			trailStar.y = draggedParticle.y + (Math.random() - 0.5) * 20;
			trailStar.scaleX = 0.8;
			trailStar.scaleY = 0.8;
			trailStar.alpha = 0.8;
			// Fade out trail particle
			tween(trailStar, {
				alpha: 0,
				scaleX: 0.1,
				scaleY: 0.1
			}, {
				duration: 1000,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					trailStar.destroy();
				}
			});
		}
		// Handle entangled particle movement with direct updates
		if (draggedParticle.entangledWith) {
			draggedParticle.entangledWith.x = targetX + 150;
			draggedParticle.entangledWith.y = targetY;
		}
	}
};
game.up = function (x, y, obj) {
	if (draggedParticle) {
		draggedParticle.stopDrag();
		draggedParticle = null;
	}
};
game.update = function () {
	// Handle timer countdown
	if (timerActive) {
		var timeDecrement = slowMotionActive ? 8.33 : 16.67; // Slow motion halves time consumption
		timeRemaining -= timeDecrement;
		if (timeRemaining <= 0) {
			resetLevel();
			return;
		}
		var seconds = Math.ceil(timeRemaining / 1000);
		timerText.setText('Time: ' + seconds + 's');
		// Smooth color transitions when time is running out
		if (seconds <= 5) {
			tween(timerText, {
				tint: 0xFF0000
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		} else if (seconds <= 10) {
			tween(timerText, {
				tint: 0xFFFF00
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		} else {
			tween(timerText, {
				tint: 0xFFFFFF
			}, {
				duration: 200,
				easing: tween.easeOut
			});
		}
	}
	// Animate quantum core with direct property updates
	if (quantumCore) {
		// Direct rotation update
		quantumCore.rotation += 0.02;
		// Direct pulsing animation
		var pulse = Math.sin(LK.ticks * 0.08) * 0.15 + 1.0;
		quantumCore.scaleX = pulse;
		quantumCore.scaleY = pulse;
		// Reduced frequency color cycling
		if (LK.ticks % 60 === 0) {
			var colorPhase = LK.ticks * 0.015;
			var r = Math.sin(colorPhase) * 0.4 + 0.6;
			var g = Math.sin(colorPhase + 2) * 0.4 + 0.6;
			var b = Math.sin(colorPhase + 4) * 0.4 + 0.6;
			var color = Math.floor(r * 255) << 16 | Math.floor(g * 255) << 8 | Math.floor(b * 255);
			quantumCore.tint = color;
		}
	}
	// Update all particles
	for (var i = 0; i < particles.length; i++) {
		if (particles[i].update) {
			particles[i].update();
		}
	}
	// Update all portals
	for (var i = 0; i < portals.length; i++) {
		if (portals[i].update) {
			portals[i].update();
		}
	}
	// Update all interference fields
	for (var i = 0; i < interferenceFields.length; i++) {
		if (interferenceFields[i].update) {
			interferenceFields[i].update();
		}
	}
	// Handle power-up spawning
	if (timerActive) {
		powerUpSpawnTimer += 16.67;
		if (powerUpSpawnTimer >= powerUpSpawnInterval) {
			spawnPowerUp();
			powerUpSpawnTimer = 0;
		}
	}
	// Handle shield duration
	if (shieldActive) {
		shieldTimeRemaining -= 16.67;
		if (shieldTimeRemaining <= 0) {
			shieldActive = false;
			shieldText.visible = false;
		} else {
			shieldText.visible = true;
			shieldText.setText('SHIELD: ' + Math.ceil(shieldTimeRemaining / 1000) + 's');
		}
	}
	// Handle slow motion duration
	if (slowMotionActive) {
		slowMotionTimeRemaining -= 16.67;
		if (slowMotionTimeRemaining <= 0) {
			slowMotionActive = false;
			slowMotionText.visible = false;
		} else {
			slowMotionText.visible = true;
			slowMotionText.setText('SLOW MOTION: ' + Math.ceil(slowMotionTimeRemaining / 1000) + 's');
		}
	}
	// Update power-ups
	for (var i = powerUps.length - 1; i >= 0; i--) {
		if (powerUps[i].update) {
			powerUps[i].update();
		}
		// Remove collected power-ups
		if (powerUps[i].isCollected && !powerUps[i].visible) {
			powerUps[i].destroy();
			powerUps.splice(i, 1);
		}
	}
	// Update background stars
	for (var i = 0; i < backgroundStars.length; i++) {
		var star = backgroundStars[i];
		if (star.update) {
			star.update();
		}
		// Handle orbital motion for core particles
		if (star.orbitalAngle !== undefined && quantumCore) {
			star.orbitalAngle += star.orbitalSpeed;
			star.x = quantumCore.x + Math.cos(star.orbitalAngle) * star.orbitalRadius;
			star.y = quantumCore.y + Math.sin(star.orbitalAngle) * star.orbitalRadius;
		}
	}
};
// Initialize first level
initializeLevel();

===================================================================
--- original.js
+++ change.js
@@ -52,8 +52,16 @@
 			// Increase speed for level 8+
 			if (level >= 8) {
 				moveSpeed = 6;
 			}
+			// Ultra-fast speed for level 16+
+			if (level >= 16) {
+				moveSpeed = 9;
+			}
+			// Extreme speed for level 11+
+			if (level >= 11) {
+				moveSpeed = 7;
+			}
 			self.x += self.moveDirection * moveSpeed;
 			if (self.x <= self.minX || self.x >= self.maxX) {
 				self.moveDirection *= -1;
 			}
@@ -419,12 +427,20 @@
 	powerUps = [];
 	particlesCollected = 0;
 	currentDimension = 0;
 	// Reset and start timer
-	timeRemaining = Math.max(8000, timeLimit - (level - 1) * 1500); // More aggressive time reduction
+	var timeReduction = (level - 1) * 1500;
+	// Extra time reduction for extreme levels
+	if (level >= 11) {
+		timeReduction += (level - 10) * 500;
+	}
+	if (level >= 16) {
+		timeReduction += (level - 15) * 300;
+	}
+	timeRemaining = Math.max(6000, timeLimit - timeReduction); // Minimum 6 seconds for extreme levels
 	timerActive = true;
 	dimensionSwitches = 0;
-	maxDimensionSwitches = Math.max(1, 6 - level); // Fewer switches allowed at higher levels, minimum 1
+	maxDimensionSwitches = Math.max(1, 6 - Math.min(level, 5)); // Fewer switches allowed at higher levels, minimum 1
 	// Reset power-up system
 	shieldActive = false;
 	shieldTimeRemaining = 0;
 	slowMotionActive = false;
@@ -607,8 +623,68 @@
 			particles[0].entangledWith = particles[1];
 			particles[1].entangledWith = particles[2];
 			particles[2].entangledWith = particles[0];
 		}
+		// Advanced levels 11-15 with extreme challenges
+		if (level >= 11) {
+			// Add even more particles for extreme levels
+			var extremeParticles = Math.min(level - 10, 5);
+			for (var m = 0; m < extremeParticles; m++) {
+				var extremeParticle = game.addChild(new Particle());
+				extremeParticle.x = 150 + m * 250;
+				extremeParticle.y = 2400 + m % 2 * 150;
+				extremeParticle.setDimension(m % totalDimensions);
+				extremeParticle.lastCoreIntersecting = false;
+				particles.push(extremeParticle);
+			}
+			totalParticles += extremeParticles;
+			// Add maze-like interference field patterns
+			var mazeFields = Math.min(level - 10, 6);
+			for (var n = 0; n < mazeFields; n++) {
+				var mazeField = game.addChild(new InterferenceField());
+				mazeField.x = 300 + n * 200;
+				mazeField.y = 1100 + n % 3 * 200;
+				mazeField.setDimension(n % totalDimensions);
+				mazeField.moveDirection = n % 2 === 0 ? 1 : -1;
+				mazeField.minX = 50;
+				mazeField.maxX = 1998;
+				interferenceFields.push(mazeField);
+			}
+		}
+		// Master levels 16-20 with ultimate difficulty
+		if (level >= 16) {
+			// Add master-level particles
+			var masterParticles = Math.min(level - 15, 4);
+			for (var p = 0; p < masterParticles; p++) {
+				var masterParticle = game.addChild(new Particle());
+				masterParticle.x = 200 + p * 400;
+				masterParticle.y = 2500 + p % 2 * 100;
+				masterParticle.setDimension(p % totalDimensions);
+				masterParticle.lastCoreIntersecting = false;
+				particles.push(masterParticle);
+			}
+			totalParticles += masterParticles;
+			// Create complex entanglement networks
+			if (particles.length >= 4) {
+				for (var q = 0; q < Math.min(particles.length - 1, 6); q++) {
+					if (q + 1 < particles.length) {
+						particles[q].entangledWith = particles[q + 1];
+					}
+				}
+			}
+			// Add ultra-fast moving barriers
+			var ultraFields = Math.min(level - 15, 8);
+			for (var r = 0; r < ultraFields; r++) {
+				var ultraField = game.addChild(new InterferenceField());
+				ultraField.x = 100 + r * 180;
+				ultraField.y = 1200 + r % 4 * 150;
+				ultraField.setDimension(r % totalDimensions);
+				ultraField.moveDirection = r % 2 === 0 ? 1 : -1;
+				ultraField.minX = 50;
+				ultraField.maxX = 1998;
+				interferenceFields.push(ultraField);
+			}
+		}
 		totalParticles = numParticles;
 	}
 	updateDimensionDisplay();
 	levelText.setText('Level: ' + level);
@@ -677,9 +753,9 @@
 	if (particlesCollected >= totalParticles) {
 		timerActive = false; // Stop timer when level complete
 		level++;
 		LK.setTimeout(function () {
-			if (level > 10) {
+			if (level > 20) {
 				LK.showYouWin();
 			} else {
 				initializeLevel();
 			}