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

/**** 
* Classes
****/ 
var Crystal = Container.expand(function () {
	var self = Container.call(this);
	var crystalGraphics = self.attachAsset('crystal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collected = false;
	self.update = function () {
		// Simple hover animation
		self.y += Math.sin(LK.ticks / 10) * 0.5;
		// Simple rotation
		crystalGraphics.rotation += 0.02;
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = {
		x: 1,
		y: 0
	};
	self.patrolDistance = 100;
	self.startX = 0;
	self.direction = 1;
	self.update = function () {
		self.x += self.velocity.x * self.direction;
		// Change direction when patrol limit reached
		if (Math.abs(self.x - self.startX) > self.patrolDistance) {
			self.direction *= -1;
		}
	};
	self.initialize = function (x, y, patrolDistance) {
		self.x = x;
		self.y = y;
		self.startX = x;
		self.patrolDistance = patrolDistance || 100;
	};
	return self;
});
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = platformGraphics.width;
	self.height = platformGraphics.height;
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Player visual
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Player properties
	self.velocity = {
		x: 0,
		y: 0
	};
	self.gravity = 0.5;
	self.jumpStrength = -60;
	self.isGrounded = false;
	self.canDash = true;
	self.dashCooldown = 30; // frames
	self.dashCooldownTimer = 0;
	self.dashSpeed = 15;
	self.dashDuration = 15; // frames
	self.dashTimer = 0;
	self.isDashing = false;
	self.dashDirection = {
		x: 0,
		y: 0
	};
	self.dashDistanceMultiplier = 1;
	// Dash effect
	var dashEffect = self.attachAsset('dashEffect', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.update = function () {
		// Apply gravity if not dashing
		if (!self.isDashing) {
			self.velocity.y += self.gravity;
		}
		// Handle dash cooldown
		if (!self.canDash) {
			self.dashCooldownTimer--;
			if (self.dashCooldownTimer <= 0) {
				self.canDash = true;
			}
		}
		// Handle dash execution
		if (self.isDashing) {
			self.dashTimer--;
			// Apply dash movement
			self.x += self.dashDirection.x * self.dashSpeed * self.dashDistanceMultiplier;
			self.y += self.dashDirection.y * self.dashSpeed * self.dashDistanceMultiplier;
			// End dash
			if (self.dashTimer <= 0) {
				self.isDashing = false;
				tween(dashEffect, {
					alpha: 0
				}, {
					duration: 200
				});
				self.velocity.x = self.dashDirection.x * 5; // Maintain some momentum
				self.velocity.y = self.dashDirection.y * 5;
			}
		} else {
			// Normal movement
			self.x += self.velocity.x;
			self.y += self.velocity.y;
			// Dampen horizontal velocity
			self.velocity.x *= 0.9;
		}
		// Reset grounded status each frame
		self.isGrounded = false;
	};
	self.dash = function (dirX, dirY) {
		if (!self.canDash) {
			return;
		}
		// Normalize direction
		var magnitude = Math.sqrt(dirX * dirX + dirY * dirY);
		if (magnitude === 0) {
			return;
		} // Prevent division by zero
		self.dashDirection.x = dirX / magnitude;
		self.dashDirection.y = dirY / magnitude;
		// Start dash
		self.isDashing = true;
		self.dashTimer = self.dashDuration;
		self.velocity.x = 0;
		self.velocity.y = 0;
		// Start cooldown
		self.canDash = false;
		self.dashCooldownTimer = self.dashCooldown;
		// Visual effect
		dashEffect.x = 0;
		dashEffect.y = 0;
		tween(dashEffect, {
			alpha: 0.7
		}, {
			duration: 100
		});
		// Play sound
		LK.getSound('dash').play();
	};
	self.jump = function () {
		if (self.isGrounded) {
			self.velocity.y = self.jumpStrength;
			self.isGrounded = false;
		} else if (!self.isDashing && self.canDash) {
			self.dash(0, -1); // Perform a vertical dash if in the air and dash is available
		}
	};
	self.upgradeDash = function () {
		// Increase dash distance
		self.dashDistanceMultiplier += 0.2;
		if (self.dashDistanceMultiplier > 2) {
			self.dashDistanceMultiplier = 2;
		}
		// Decrease cooldown
		self.dashCooldown -= 5;
		if (self.dashCooldown < 15) {
			self.dashCooldown = 15;
		}
	};
	return self;
});
var Portal = Container.expand(function () {
	var self = Container.call(this);
	var portalGraphics = self.attachAsset('portal', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Portal pulsing effect
		var scale = 1 + Math.sin(LK.ticks / 15) * 0.1;
		portalGraphics.scale.set(scale, scale);
		// Portal rotation
		portalGraphics.rotation += 0.01;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Constants
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
var PLATFORM_COUNT = 7;
var ENEMY_COUNT = 5;
var CRYSTAL_COUNT = 3;
// Game state
var currentLevel = storage.currentLevel || 1;
var crystalsCollected = 0;
var totalCrystals = 0;
// Game entities
var player;
var platforms = [];
var enemies = [];
var crystals = [];
var portal;
// UI elements
var levelText = new Text2("Level " + currentLevel, {
	size: 80,
	fill: 0xFFFFFF
});
var crystalCountText = new Text2("Crystals: 0/" + CRYSTAL_COUNT, {
	size: 60,
	fill: 0xFFFFFF
});
// Setup game elements
function setupGame() {
	// Add background
	var background = LK.getAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_WIDTH / 2,
		y: GAME_HEIGHT / 2
	});
	game.addChild(background);
	// Create player
	platforms = [];
	enemies = [];
	crystals = [];
	crystalsCollected = 0;
	totalCrystals = CRYSTAL_COUNT;
	// Create player
	player = new Player();
	player.x = GAME_WIDTH / 2;
	player.y = GAME_HEIGHT - 200;
	game.addChild(player);
	// Create initial platform under player
	var startPlatform = new Platform();
	startPlatform.x = GAME_WIDTH / 2;
	startPlatform.y = GAME_HEIGHT - 150;
	game.addChild(startPlatform);
	platforms.push(startPlatform);
	// Generate level
	generateLevel();
	// Add portal at the highest platform
	var highestPlatform = platforms.reduce(function (prev, current) {
		return prev.y < current.y ? prev : current;
	});
	portal = new Portal();
	portal.x = highestPlatform.x;
	portal.y = highestPlatform.y - 100;
	game.addChild(portal);
	// Update UI
	levelText.setText("Level " + currentLevel);
	crystalCountText.setText("Crystals: " + crystalsCollected + "/" + totalCrystals);
	// Add UI to game
	LK.gui.top.addChild(levelText);
	levelText.anchor.set(0.5, 0);
	levelText.y = 50;
	LK.gui.topRight.addChild(crystalCountText);
	crystalCountText.anchor.set(1, 0);
	crystalCountText.x = -50;
	crystalCountText.y = 50;
	// Play background music
	LK.playMusic('gameMusic', {
		fade: {
			start: 0,
			end: 0.5,
			duration: 1000
		}
	});
}
function generateLevel() {
	// Generate platforms with increasing difficulty based on level
	var minGapX = 100 + currentLevel * 20;
	var maxGapX = 300 + currentLevel * 30;
	var minGapY = 120;
	var maxGapY = 200 + currentLevel * 10;
	var lastX = GAME_WIDTH / 2;
	var lastY = GAME_HEIGHT - 150;
	for (var i = 0; i < PLATFORM_COUNT; i++) {
		var platform = new Platform();
		// Calculate new position with gaps
		var gapX = Math.random() * (maxGapX - minGapX) + minGapX;
		var gapY = Math.random() * (maxGapY - minGapY) + minGapY;
		// Alternate direction
		var directionX = Math.random() > 0.5 ? 1 : -1;
		var newX = lastX + gapX * directionX;
		var newY = lastY - gapY;
		// Keep platforms within bounds
		newX = Math.max(platform.width / 2, Math.min(GAME_WIDTH - platform.width / 2, newX));
		platform.x = newX;
		platform.y = newY;
		game.addChild(platform);
		platforms.push(platform);
		lastX = newX;
		lastY = newY;
		// Add enemy on some platforms
		if (i > 0 && Math.random() < 0.3 && enemies.length < ENEMY_COUNT) {
			var enemy = new Enemy();
			enemy.initialize(newX, newY - 50, platform.width * 0.8);
			game.addChild(enemy);
			enemies.push(enemy);
		}
	}
	// Add crystals in challenging positions
	for (var j = 0; j < CRYSTAL_COUNT; j++) {
		var crystal = new Crystal();
		// Place crystals in challenging positions between platforms
		var platformIndex = Math.floor(Math.random() * (platforms.length - 1)) + 1;
		var platform1 = platforms[platformIndex - 1];
		var platform2 = platforms[platformIndex];
		crystal.x = platform1.x + (platform2.x - platform1.x) * 0.5;
		crystal.y = platform1.y + (platform2.y - platform1.y) * 0.5;
		game.addChild(crystal);
		crystals.push(crystal);
	}
}
function checkCollisions() {
	// Player-Platform collision
	platforms.forEach(function (platform) {
		if (player.y + 30 >= platform.y - platform.height / 2 && player.y - 30 <= platform.y + platform.height / 2 && player.x + 30 >= platform.x - platform.width / 2 && player.x - 30 <= platform.x + platform.width / 2 && player.velocity.y > 0) {
			player.y = platform.y - platform.height / 2 - 30;
			player.velocity.y = 0;
			player.isGrounded = true;
		}
	});
	// Player-Enemy collision
	enemies.forEach(function (enemy, index) {
		if (player.isDashing && player.intersects(enemy)) {
			// Destroy enemy if player is dashing
			LK.effects.flashObject(enemy, 0xff0000, 300);
			LK.getSound('enemyDefeat').play();
			LK.setTimeout(function () {
				enemy.destroy();
				enemies.splice(index, 1);
			}, 300);
		} else if (!player.isDashing && player.intersects(enemy)) {
			// Player dies if not dashing
			LK.effects.flashScreen(0xff0000, 1000);
			resetGame();
		}
	});
	// Player-Crystal collision
	crystals.forEach(function (crystal, index) {
		if (!crystal.collected && player.intersects(crystal)) {
			crystal.collected = true;
			crystalsCollected++;
			// Visual effect
			tween(crystal, {
				alpha: 0,
				scaleX: 2,
				scaleY: 2
			}, {
				duration: 500,
				onFinish: function onFinish() {
					crystal.destroy();
					crystals.splice(index, 1);
				}
			});
			// Update UI
			crystalCountText.setText("Crystals: " + crystalsCollected + "/" + totalCrystals);
			// Play sound
			LK.getSound('crystal').play();
			// Upgrade player
			player.upgradeDash();
		}
	});
	// Player-Portal collision
	if (player.intersects(portal)) {
		// Complete level
		LK.getSound('portalReached').play();
		// Transition effect
		tween(portal, {
			scaleX: 3,
			scaleY: 3,
			alpha: 0.2
		}, {
			duration: 1000,
			onFinish: function onFinish() {
				// Save progress and go to next level
				currentLevel++;
				storage.currentLevel = currentLevel;
				// Check if all levels are completed
				if (currentLevel > 10) {
					LK.showYouWin();
				} else {
					resetGame();
				}
			}
		});
	}
	// Check if player fell off the bottom of the screen
	if (player.y > GAME_HEIGHT + 100) {
		LK.effects.flashScreen(0xff0000, 1000);
		resetGame();
	}
}
function resetGame() {
	// Destroy existing entities
	if (player) {
		player.destroy();
	}
	platforms.forEach(function (p) {
		return p.destroy();
	});
	enemies.forEach(function (e) {
		return e.destroy();
	});
	crystals.forEach(function (c) {
		return c.destroy();
	});
	if (portal) {
		portal.destroy();
	}
	// Remove UI
	LK.gui.top.removeChild(levelText);
	LK.gui.topRight.removeChild(crystalCountText);
	// Setup new game
	setupGame();
}
// Mouse/touch controls
var startDragX = 0;
var startDragY = 0;
var isDragging = false;
game.down = function (x, y) {
	startDragX = x;
	startDragY = y;
	isDragging = true;
};
game.move = function (x, y) {
	// Used for drag-to-dash functionality
};
game.up = function (x, y) {
	if (!isDragging || !player) {
		return;
	}
	// Calculate direction vector
	var dirX = x - startDragX;
	var dirY = y - startDragY;
	// Calculate magnitude
	var magnitude = Math.sqrt(dirX * dirX + dirY * dirY);
	// If the drag was long enough, dash in that direction
	if (magnitude > 30) {
		player.dash(dirX / magnitude, dirY / magnitude);
	} else {
		player.jump();
	}
	isDragging = false;
};
// Main game loop
game.update = function () {
	// Skip if game hasn't been set up yet
	if (!player) {
		return;
	}
	// Update all game entities
	player.update();
	platforms.forEach(function (platform) {
		return platform.update && platform.update();
	});
	enemies.forEach(function (enemy) {
		return enemy.update();
	});
	crystals.forEach(function (crystal) {
		return crystal.update();
	});
	if (portal) {
		portal.update();
	}
	// Check for collisions
	checkCollisions();
};
// Initialize game
setupGame();

===================================================================
--- original.js
+++ change.js
@@ -212,9 +212,9 @@
 ****/ 
 // Constants
 var GAME_WIDTH = 2048;
 var GAME_HEIGHT = 2732;
-var PLATFORM_COUNT = 10;
+var PLATFORM_COUNT = 7;
 var ENEMY_COUNT = 5;
 var CRYSTAL_COUNT = 3;
 // Game state
 var currentLevel = storage.currentLevel || 1;