/**** 
* Classes
****/ 
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.passed = false;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Initialize sprites array with run and jump animations
	self.sprites = [LK.getAsset('playerrun1', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerrun2', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerrun3', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerrun4', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerrun5', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerrun6', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerjump1', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerjump2', {
		anchorX: 0.5,
		anchorY: 0.5
	}), LK.getAsset('playerjump3', {
		anchorX: 0.5,
		anchorY: 0.5
	})];
	// Initialize runFrame and runAnimation
	self.runFrame = 0;
	self.runAnimation = [0, 1, 2, 3, 4, 5]; // Indices of run animation frames
	// Add platform collision properties
	self.isOnGround = true;
	self.currentPlatform = null;
	self.groundY = 2732 / 1.5;
	// Modify the update function to handle platform physics
	self.update = function () {
		// Hide all sprites first (keep your existing animation code)
		for (var i = 0; i < self.sprites.length; i++) {
			self.sprites[i].alpha = 0;
		}
		// Apply gravity if not on a platform
		if (!self.isOnGround && !self.isJumping) {
			self.velocityY += 0.7;
			self.y += self.velocityY;
			// Show falling animation (using jump3)
			var jumpOffset = self.runAnimation.length;
			self.sprites[jumpOffset + 2].alpha = 1; // jump3
		}
		// Check if player has fallen off the bottom of the screen
		if (self.y > 2732) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Handle jumping physics and animation
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.7;
			// Get jump frame index offset
			var jumpOffset = self.runAnimation.length;
			// Determine jump animation based on velocity and time
			var currentTime = Date.now();
			if (currentTime - self.jumpStartTime < 100) {
				// Brief initial jump1 phase (first 100ms)
				self.sprites[jumpOffset + 0].alpha = 1; // jump1
			} else if (self.velocityY < 0) {
				// Going up - show jump2
				self.sprites[jumpOffset + 1].alpha = 1; // jump2
			} else if (self.velocityY > 0) {
				// Going down - show jump3
				self.sprites[jumpOffset + 2].alpha = 1; // jump3
				// Check for landing on platforms
				self.checkPlatformCollision();
			}
		} else if (self.isOnGround) {
			// Run animation when on a platform
			self.animationCounter += self.animationSpeed;
			if (self.animationCounter >= 1) {
				self.animationCounter = 0;
				// Update to next frame
				self.runFrame = (self.runFrame + 1) % self.runAnimation.length;
			}
			// Show current run frame
			self.sprites[self.runFrame].alpha = 1;
		}
		// If on a platform, move with it
		if (self.currentPlatform) {
			self.x -= self.currentPlatform.speed;
			// Check if still on platform
			if (self.x < self.currentPlatform.x - 50 || self.x > self.currentPlatform.x + 50) {
				self.isOnGround = false;
				self.currentPlatform = null;
			}
		}
	};
	self.jump = function () {
		if (self.isOnGround || self.isJumping) {
			self.isJumping = true;
			self.isOnGround = false;
			self.velocityY = -self.jumpHeight;
			self.jumpState = "start";
			self.jumpStartTime = Date.now();
			self.currentPlatform = null;
		}
	};
	self.checkPlatformCollision = function () {
		for (var i = 0; i < platforms.length; i++) {
			var platform = platforms[i];
			// Check if player is above the platform and falling
			if (self.y < platform.y - 4 && self.y + self.velocityY >= platform.y - 4 && self.x > platform.x - 50 && self.x < platform.x + 50) {
				// Land on the platform
				self.y = platform.y - 4;
				self.velocityY = 0;
				self.isJumping = false;
				self.isOnGround = true;
				self.currentPlatform = platform;
				break;
			}
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 // Black background
});

/**** 
* Game Code
****/ 
var platforms = [];
var platformSpawnInterval = 60;
var platformSpawnCounter = 0;
var currentPlatformHeight = 2732 / 1.5; // Starting at player level
var isHighPlatformMode = false;
var highPlatformTimer = 0;
var highPlatformDuration = 0;
var lastPlatformX = 0;
//<Assets used in the game will automatically appear here>
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0,
	alpha: 0
}));
background.x = 0;
background.y = 0;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 4.5;
player.y = 2732 / 1.5;
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Create a new Text2 object to display the score
var scoreText = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
// Add the score text to the game GUI at the top center of the screen
LK.gui.top.addChild(scoreText);
scoreText.x = 2048 / 2;
scoreText.y = 0;
// Initialize the game with starting platforms
function initializeGame() {
	// Create initial platforms
	for (var i = 0; i < 5; i++) {
		var platform = new Platform();
		platform.x = player.x + i * 150; // Spaced out platforms
		platform.y = player.y; // At player level
		platforms.push(platform);
		game.addChild(platform);
	}
	// Initialize the player to start on a platform
	player.isOnGround = true;
	player.currentPlatform = platforms[0];
	// Set initial high platform duration
	highPlatformDuration = Math.floor(Math.random() * 500) + 300;
}
// Call this at the start
initializeGame();
// Handle game updates
game.update = function () {
	player.update();
	// Spawn platforms
	platformSpawnCounter++;
	if (platformSpawnCounter >= platformSpawnInterval) {
		var platform = new Platform();
		platform.x = 2048 + 50; // Start just off-screen to the right
		// Determine platform height based on current mode
		if (isHighPlatformMode) {
			platform.y = currentPlatformHeight - 600; // Higher platform
		} else {
			platform.y = currentPlatformHeight; // Regular height
		}
		// Store last platform position for spacing
		lastPlatformX = platform.x;
		platforms.push(platform);
		game.addChild(platform);
		// Randomize the spawn interval for the next platform
		platformSpawnInterval = Math.floor(Math.random() * 50) + 40;
		platformSpawnCounter = 0;
	}
	// Update platforms
	for (var i = platforms.length - 1; i >= 0; i--) {
		platforms[i].update();
		// Remove platforms that are destroyed
		if (platforms[i].destroyed) {
			platforms.splice(i, 1);
		}
	}
	// Handle high platform mode timing
	highPlatformTimer++;
	if (highPlatformTimer >= highPlatformDuration) {
		// Toggle high platform mode
		isHighPlatformMode = !isHighPlatformMode;
		if (isHighPlatformMode) {
			// Set the new higher platform height
			currentPlatformHeight = 2732 / 1.5 - 600;
			highPlatformDuration = Math.floor(Math.random() * 300) + 200;
		} else {
			// Return to regular height
			currentPlatformHeight = 2732 / 1.5;
			highPlatformDuration = Math.floor(Math.random() * 500) + 300;
		}
		highPlatformTimer = 0;
	}
	// Enemy handling (keep your existing enemy code)
	//enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2048;
		enemy.y = 2732 / 2;
		enemies.push(enemy);
		game.addChild(enemy);
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
	}
};
// Handle player jump
game.down = function (x, y, obj) {
	player.jump();
};

===================================================================
--- original.js
+++ change.js
@@ -62,8 +62,11 @@
 	}), LK.getAsset('playerjump3', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	})];
+	// Initialize runFrame and runAnimation
+	self.runFrame = 0;
+	self.runAnimation = [0, 1, 2, 3, 4, 5]; // Indices of run animation frames
 	// Add platform collision properties
 	self.isOnGround = true;
 	self.currentPlatform = null;
 	self.groundY = 2732 / 1.5;