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

/**** 
* Classes
****/ 
var Dude = Container.expand(function () {
	var self = Container.call(this);
	var dudeGraphics = self.attachAsset('dude', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityY = 0;
	self.velocityX = 0;
	self.isJumping = false;
	self.isOnPlatform = false;
	self.jumpPower = 50;
	self.gravity = 0.8;
	self.maxFallSpeed = 15;
	self.horizontalSpeed = 8;
	self.airResistance = 0.95;
	self.invincible = false;
	self.invincibleTimer = 0;
	self.jump = function () {
		if (self.isOnPlatform) {
			self.velocityY = -self.jumpPower;
			self.isJumping = true;
			self.isOnPlatform = false;
			LK.getSound('jump').play();
		}
	};
	self.update = function () {
		// Apply gravity
		self.velocityY += self.gravity;
		if (self.velocityY > self.maxFallSpeed) {
			self.velocityY = self.maxFallSpeed;
		}
		// Update position
		self.y += self.velocityY;
		self.x += self.velocityX;
		// Apply air resistance to horizontal movement
		self.velocityX *= self.airResistance;
		// Handle invincibility timer
		if (self.invincible) {
			self.invincibleTimer--;
			if (self.invincibleTimer <= 0) {
				self.invincible = false;
				dudeGraphics.alpha = 1;
			} else {
				dudeGraphics.alpha = Math.sin(self.invincibleTimer * 0.3) * 0.5 + 0.5;
			}
		}
		// Keep dude on screen horizontally
		if (self.x < 40) self.x = 40;
		if (self.x > 2008) self.x = 2008;
		// Check if fallen off screen
		if (self.y > cameraY + 2732 + 200) {
			LK.showGameOver();
		}
	};
	return self;
});
var Platform = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'normal';
	self.landed = false;
	self.disappearing = false;
	self.moveDirection = 1;
	self.moveRange = 300;
	self.startX = 0;
	var platformGraphics;
	if (self.type === 'moving') {
		platformGraphics = self.attachAsset('movingPlatform', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (self.type === 'disappearing') {
		platformGraphics = self.attachAsset('disappearingPlatform', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (self.type === 'powerup') {
		platformGraphics = self.attachAsset('powerUpPlatform', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else {
		platformGraphics = self.attachAsset('platform', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	self.update = function () {
		// Moving platform behavior
		if (self.type === 'moving') {
			self.x += self.moveDirection * 2;
			if (self.x > self.startX + self.moveRange || self.x < self.startX - self.moveRange) {
				self.moveDirection *= -1;
			}
		}
		// Disappearing platform behavior
		if (self.type === 'disappearing' && self.landed && !self.disappearing) {
			self.disappearing = true;
			tween(platformGraphics, {
				alpha: 0
			}, {
				duration: 1000,
				onFinish: function onFinish() {
					self.active = false;
				}
			});
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb
});

/**** 
* Game Code
****/ 
var dude = game.addChild(new Dude());
var platforms = [];
var cameraY = 0;
var highestY = 2400;
var lastPlatformY = 2400;
var platformSpacing = 200;
// Create score display
var scoreTxt = new Text2('0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create height display
var heightTxt = new Text2('Height: 0m', {
	size: 40,
	fill: 0xFFFFFF
});
heightTxt.anchor.set(1, 0);
heightTxt.x = -20;
heightTxt.y = 20;
LK.gui.topRight.addChild(heightTxt);
// Initialize dude position
dude.x = 1024;
dude.y = 2400;
// Create initial platforms
function createPlatform(x, y, type) {
	var platform = new Platform(type);
	platform.x = x;
	platform.y = y;
	platform.startX = x;
	platform.active = true;
	platforms.push(platform);
	game.addChild(platform);
	return platform;
}
// Create starting platform
createPlatform(1024, 2450, 'normal');
// Generate initial platforms
for (var i = 0; i < 20; i++) {
	generateNextPlatform();
}
function generateNextPlatform() {
	lastPlatformY -= platformSpacing + Math.random() * 100;
	var x = 200 + Math.random() * 1648;
	// Determine platform type based on height
	var type = 'normal';
	var height = Math.abs(lastPlatformY - 2400);
	if (height > 1000) {
		var rand = Math.random();
		if (rand < 0.3) {
			type = 'moving';
		} else if (rand < 0.5) {
			type = 'disappearing';
		} else if (rand < 0.6) {
			type = 'powerup';
		}
	}
	createPlatform(x, lastPlatformY, type);
}
function updateCamera() {
	var targetY = dude.y - 1800;
	if (targetY < cameraY) {
		cameraY = targetY;
		game.y = -cameraY;
		// Update highest position
		if (dude.y < highestY) {
			highestY = dude.y;
			var height = Math.floor((2400 - highestY) / 10);
			LK.setScore(height);
			scoreTxt.setText(LK.getScore());
			heightTxt.setText('Height: ' + height + 'm');
		}
	}
}
function checkPlatformCollisions() {
	if (dude.velocityY <= 0) return; // Only check when falling
	for (var i = 0; i < platforms.length; i++) {
		var platform = platforms[i];
		if (!platform.active) continue;
		var dudeBottom = dude.y + 40;
		var platformTop = platform.y - 15;
		var platformBottom = platform.y + 15;
		if (dudeBottom >= platformTop && dudeBottom <= platformBottom + 20) {
			if (dude.x >= platform.x - 100 && dude.x <= platform.x + 100) {
				// Landing on platform
				dude.y = platformTop - 40;
				dude.velocityY = 0;
				dude.isOnPlatform = true;
				dude.isJumping = false;
				if (!platform.landed) {
					platform.landed = true;
					LK.getSound('land').play();
					// Handle special platform effects
					if (platform.type === 'powerup') {
						dude.invincible = true;
						dude.invincibleTimer = 300;
						dude.jumpPower = 70;
						LK.getSound('powerup').play();
						// Reset jump power after time
						LK.setTimeout(function () {
							dude.jumpPower = 50;
						}, 3000);
					}
				}
				break;
			}
		}
	}
}
function cleanupPlatforms() {
	for (var i = platforms.length - 1; i >= 0; i--) {
		var platform = platforms[i];
		if (platform.y > cameraY + 3000 || !platform.active) {
			platform.destroy();
			platforms.splice(i, 1);
		}
	}
}
function generateMorePlatforms() {
	while (lastPlatformY > cameraY - 1000) {
		generateNextPlatform();
	}
}
// Touch controls
game.down = function (x, y, obj) {
	dude.jump();
	// Add horizontal movement based on touch position
	var screenCenter = 1024; // Half of 2048
	var touchOffset = x - screenCenter;
	// Apply horizontal velocity based on touch position
	if (touchOffset > 50) {
		// Touch on right side - move right
		dude.velocityX += dude.horizontalSpeed;
	} else if (touchOffset < -50) {
		// Touch on left side - move left
		dude.velocityX -= dude.horizontalSpeed;
	}
};
// Main game loop
game.update = function () {
	updateCamera();
	checkPlatformCollisions();
	cleanupPlatforms();
	generateMorePlatforms();
	// Remove platforms that are too far down
	if (LK.ticks % 60 === 0) {
		cleanupPlatforms();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -15,9 +15,9 @@
 	self.velocityY = 0;
 	self.velocityX = 0;
 	self.isJumping = false;
 	self.isOnPlatform = false;
-	self.jumpPower = 25;
+	self.jumpPower = 50;
 	self.gravity = 0.8;
 	self.maxFallSpeed = 15;
 	self.horizontalSpeed = 8;
 	self.airResistance = 0.95;
@@ -222,13 +222,13 @@
 					// Handle special platform effects
 					if (platform.type === 'powerup') {
 						dude.invincible = true;
 						dude.invincibleTimer = 300;
-						dude.jumpPower = 35;
+						dude.jumpPower = 70;
 						LK.getSound('powerup').play();
 						// Reset jump power after time
 						LK.setTimeout(function () {
-							dude.jumpPower = 25;
+							dude.jumpPower = 50;
 						}, 3000);
 					}
 				}
 				break;