/**** 
* 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 < -500) {
			// Increased value to ensure platforms are fully off-screen
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Animation properties
	self.runAnimation = ['playerrun1', 'playerrun2', 'playerrun3', 'playerrun4', 'playerrun5', 'playerrun6'];
	self.jumpAnimation = ['playerjump1', 'playerjump2', 'playerjump3'];
	self.runFrame = 0;
	self.animationSpeed = 0.08;
	self.animationCounter = 0;
	self.sprites = [];
	self.groundY = 2732 / 1.5; // Store the ground position
	// Platform collision properties
	self.isOnGround = true;
	self.currentPlatform = null;
	// Pre-attach all animation frames but make only the first one visible
	// First add run animation sprites
	for (var i = 0; i < self.runAnimation.length; i++) {
		var sprite = self.attachAsset(self.runAnimation[i], {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Set all frames except the first to be invisible
		sprite.alpha = i === 0 ? 1 : 0;
		self.sprites.push(sprite);
	}
	// Then add jump animation sprites
	for (var i = 0; i < self.jumpAnimation.length; i++) {
		var sprite = self.attachAsset(self.jumpAnimation[i], {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Set all jump frames to invisible initially
		sprite.alpha = 0;
		self.sprites.push(sprite);
	}
	// Movement properties
	self.speed = 5;
	self.jumpHeight = 40; // Keeping the original jump height
	self.isJumping = false;
	self.velocityY = 0;
	self.jumpState = "none"; // Added to track jump animation phases
	self.jumpStartTime = 0;
	self.update = function () {
		// Hide all sprites first
		for (var i = 0; i < self.sprites.length; i++) {
			self.sprites[i].alpha = 0;
		}
		// Apply gravity if not on a platform and not actively jumping
		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 for platform collisions while falling
			self.checkPlatformCollision();
		}
		// 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 while falling during a jump
				self.checkPlatformCollision();
			}
			// End jump if hitting the original ground (for backward compatibility)
			if (self.y >= self.groundY && !self.currentPlatform) {
				self.y = self.groundY;
				self.isJumping = false;
				self.velocityY = 0;
				self.jumpState = "none";
				self.isOnGround = true;
			}
		} else if (self.isOnGround) {
			// Run animation when on a platform or ground
			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, check if we're still above it
		// But don't move with the platform (removed that behavior)
		if (self.currentPlatform) {
			// Check if still above the platform
			var platformHalfWidth = self.currentPlatform.width / 2;
			var stillOnPlatform = self.x > self.currentPlatform.x - platformHalfWidth && self.x < self.currentPlatform.x + platformHalfWidth;
			if (!stillOnPlatform) {
				self.isOnGround = false;
				self.currentPlatform = null;
				// Start falling
				self.velocityY = 0.1;
			}
		}
	};
	self.jump = function () {
		if (self.isOnGround) {
			self.isJumping = true;
			self.isOnGround = false;
			self.velocityY = -self.jumpHeight;
			self.jumpState = "start";
			self.jumpStartTime = Date.now();
			self.currentPlatform = null;
		} else if (self.isJumping && self.velocityY < 10) {
			// Allow for a small double-jump to reach higher platforms
			// Only if not falling too fast
			self.velocityY = -self.jumpHeight * 0.7;
			self.jumpStartTime = Date.now();
		}
	};
	self.checkPlatformCollision = function () {
		for (var i = 0; i < platforms.length; i++) {
			var platform = platforms[i];
			var platformHalfWidth = platform.width / 2;
			// Define the collision threshold based on player sprite height
			var collisionOffset = 80; // This value represents how far above the platform the player should stand
			// Check if player is above the platform and falling
			if (self.velocityY > 0 &&
			// Must be falling down
			self.y < platform.y - collisionOffset && self.y + self.velocityY >= platform.y - collisionOffset && self.x > platform.x - platformHalfWidth && self.x < platform.x + platformHalfWidth) {
				// Land on the platform with consistent positioning
				self.y = platform.y - collisionOffset;
				self.velocityY = 0;
				self.isJumping = false;
				self.isOnGround = true;
				self.currentPlatform = platform;
				return; // Exit after finding a collision
			}
		}
	};
});

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

/**** 
* Game Code
****/ 
var platforms = [];
var platformSpawnInterval = 60;
var platformSpawnCounter = 0;
// Define the two fixed platform heights
var lowPlatformHeight = 2732 / 1.5 + 250; // Regular height (player.y + 250)
var highPlatformHeight = lowPlatformHeight - 600; // High platform (600 pixels higher)
// Simple toggle for alternating platform heights
var useHighPlatform = false;
var platformGap = 200; // Gap between platforms
var lastPlatformX = 0; // Track the last platform position
//<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 at the low level
	for (var i = 0; i < 5; i++) {
		var platform = new Platform();
		platform.x = player.x + i * platformGap;
		platform.y = lowPlatformHeight;
		platforms.push(platform);
		game.addChild(platform);
		lastPlatformX = platform.x;
	}
	// Initialize the player to start on a platform
	player.isOnGround = true;
	player.currentPlatform = platforms[0];
}
initializeGame();
// Handle game updates
game.update = function () {
	player.update();
	// Spawn platforms
	platformSpawnCounter++;
	if (platformSpawnCounter >= platformSpawnInterval) {
		var platform = new Platform();
		// Position the platform at the end of the last one with a gap
		platform.x = lastPlatformX + 1000 + platformGap;
		// Toggle between high and low platforms
		if (useHighPlatform) {
			platform.y = highPlatformHeight;
		} else {
			platform.y = lowPlatformHeight;
		}
		// Toggle for next platform
		useHighPlatform = !useHighPlatform;
		// Store last platform position
		lastPlatformX = platform.x;
		// Add the platform to the game
		platforms.push(platform);
		game.addChild(platform);
		// Reset counter
		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);
		}
	}
	// 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
@@ -165,16 +165,16 @@
 	self.checkPlatformCollision = function () {
 		for (var i = 0; i < platforms.length; i++) {
 			var platform = platforms[i];
 			var platformHalfWidth = platform.width / 2;
+			// Define the collision threshold based on player sprite height
+			var collisionOffset = 80; // This value represents how far above the platform the player should stand
 			// Check if player is above the platform and falling
 			if (self.velocityY > 0 &&
 			// Must be falling down
-			self.y < platform.y - 40 &&
-			// Increased collision threshold from 10 to 40
-			self.y + self.velocityY >= platform.y - 40 && self.x > platform.x - platformHalfWidth && self.x < platform.x + platformHalfWidth) {
-				// Land on the platform
-				self.y = platform.y - 40; // Adjust landing position to match detection threshold
+			self.y < platform.y - collisionOffset && self.y + self.velocityY >= platform.y - collisionOffset && self.x > platform.x - platformHalfWidth && self.x < platform.x + platformHalfWidth) {
+				// Land on the platform with consistent positioning
+				self.y = platform.y - collisionOffset;
 				self.velocityY = 0;
 				self.isJumping = false;
 				self.isOnGround = true;
 				self.currentPlatform = platform;