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

/**** 
* Classes
****/ 
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var centerZone = self.attachAsset('platformCenter', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	self.width = 400;
	self.centerZoneWidth = 120;
	self.isPerfectLanding = function (playerX) {
		var platformCenterX = self.x;
		var distance = Math.abs(playerX - platformCenterX);
		return distance <= self.centerZoneWidth / 2;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.isJumping = false;
	self.jumpForce = -35;
	self.gravity = 1.2;
	self.moveSpeed = 8;
	self.baseJumpForce = -35;
	self.jump = function (multiplier) {
		if (multiplier === undefined) multiplier = 1;
		self.velocityY = self.baseJumpForce * multiplier;
		self.isJumping = true;
		LK.getSound('jump').play();
	};
	self.update = function () {
		// Apply horizontal movement
		self.x += self.velocityX;
		// Apply gravity and vertical movement
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		// Horizontal drag
		self.velocityX *= 0.85;
		// Keep player within screen bounds horizontally
		if (self.x < 60) {
			self.x = 60;
			self.velocityX = 0;
		} else if (self.x > 1988) {
			self.x = 1988;
			self.velocityX = 0;
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var player = game.addChild(new Player());
var platforms = [];
var camera = {
	y: 0
};
var combo = 0;
var maxCombo = 0;
var jumpTimer = 0;
var autoJumpInterval = 90; // Auto jump every 1.5 seconds at 60fps
var platformSpacing = 300;
var nextPlatformY = -platformSpacing;
var gameHeight = 2732;
var lastPlatformLanded = null;
var gameStarted = false;
// UI Elements
var scoreText = new Text2('Height: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var comboText = new Text2('', {
	size: 50,
	fill: 0xFFD700
});
comboText.anchor.set(0.5, 0);
comboText.y = 80;
LK.gui.top.addChild(comboText);
// Initialize player position
player.x = 1024;
player.y = gameHeight - 200;
// Create initial platforms
function createPlatform(y) {
	var platform = new Platform();
	platform.x = Math.random() * (2048 - 800) + 400;
	platform.y = y;
	platforms.push(platform);
	game.addChild(platform);
}
// Create permanently wide starting ground platform
var startingPlatform = new Platform();
startingPlatform.x = 1024; // Center of screen
startingPlatform.y = gameHeight - 100;
// Make the starting platform span almost full screen width
startingPlatform.scaleX = 5; // Make it 5 times wider (2000px wide)
startingPlatform.width = 2000; // Update logical width for collision detection
startingPlatform.centerZoneWidth = 600; // Make center zone proportionally larger
platforms.push(startingPlatform);
game.addChild(startingPlatform);
// Create initial platforms above
for (var i = 1; i <= 8; i++) {
	createPlatform(gameHeight - 100 - platformSpacing * i);
}
function updateCamera() {
	var targetY = Math.max(0, player.y - gameHeight * 0.7);
	camera.y += (targetY - camera.y) * 0.1;
	game.y = -camera.y;
}
function generateNewPlatforms() {
	while (nextPlatformY > camera.y - gameHeight) {
		createPlatform(nextPlatformY);
		nextPlatformY -= platformSpacing + Math.random() * 100 - 50;
	}
}
function removeOldPlatforms() {
	for (var i = platforms.length - 1; i >= 0; i--) {
		var platform = platforms[i];
		if (platform.y > camera.y + gameHeight + 500) {
			platform.destroy();
			platforms.splice(i, 1);
		}
	}
}
function checkPlatformCollisions() {
	if (player.velocityY <= 0) return;
	for (var i = 0; i < platforms.length; i++) {
		var platform = platforms[i];
		// Check if player is falling and intersects with platform
		if (player.intersects(platform) && player.y < platform.y + 30 && player.y > platform.y - 60) {
			// Landing on platform
			player.y = platform.y - 60;
			player.velocityY = 0;
			player.isJumping = false;
			// Check for perfect landing
			if (platform.isPerfectLanding(player.x) && platform !== lastPlatformLanded) {
				combo++;
				maxCombo = Math.max(maxCombo, combo);
				LK.getSound('perfectLanding').play();
				// Visual feedback for perfect landing
				tween(platform, {
					scaleX: 1.2,
					scaleY: 1.2
				}, {
					duration: 200,
					easing: tween.easeOut
				});
				tween(platform, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 200,
					easing: tween.easeIn
				});
				// Update combo display
				comboText.setText('Combo: ' + combo + 'x');
				if (combo > 1) {
					tween(comboText, {
						scaleX: 1.3,
						scaleY: 1.3
					}, {
						duration: 150
					});
					tween(comboText, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 150
					});
				}
			} else if (platform !== lastPlatformLanded) {
				// Break combo on non-perfect landing
				if (combo > 0) {
					combo = 0;
					comboText.setText('');
					LK.getSound('comboBreak').play();
				}
			}
			lastPlatformLanded = platform;
			return true;
		}
	}
	return false;
}
function handleInput(x, y) {
	// Start game with first input if not started yet
	if (!gameStarted && !player.isJumping) {
		gameStarted = true;
		player.jump();
		jumpTimer = 0;
	}
	var centerX = 1024;
	var inputForce = 15;
	if (x < centerX) {
		player.velocityX = -inputForce;
	} else {
		player.velocityX = inputForce;
	}
}
game.down = function (x, y, obj) {
	handleInput(x, y);
};
game.move = function (x, y, obj) {
	handleInput(x, y);
};
game.update = function () {
	if (gameStarted) {
		jumpTimer++;
		// Auto jump at intervals
		if (jumpTimer >= autoJumpInterval && !player.isJumping) {
			var jumpMultiplier = 1 + combo * 0.3;
			player.jump(jumpMultiplier);
			jumpTimer = 0;
		}
	}
	// Check platform collisions
	checkPlatformCollisions();
	// Update camera
	updateCamera();
	// Generate new platforms
	generateNewPlatforms();
	// Remove old platforms
	removeOldPlatforms();
	// Update score based on height
	var height = Math.max(0, Math.floor((gameHeight - player.y) / 10));
	LK.setScore(height + maxCombo * 100);
	scoreText.setText('Height: ' + height);
	// Check game over
	if (player.y > camera.y + gameHeight + 200) {
		LK.showGameOver();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -148,9 +148,9 @@
 		}
 	}
 }
 function checkPlatformCollisions() {
-	if (player.velocityY <= 0 || player.isJumping) return;
+	if (player.velocityY <= 0) return;
 	for (var i = 0; i < platforms.length; i++) {
 		var platform = platforms[i];
 		// Check if player is falling and intersects with platform
 		if (player.intersects(platform) && player.y < platform.y + 30 && player.y > platform.y - 60) {