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

/**** 
* Classes
****/ 
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = -8;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Cursor = Container.expand(function () {
	var self = Container.call(this);
	var cursorGraphics = self.attachAsset('cursor', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.velocityY = 0;
	self.gravity = 0.8;
	self.jumpPower = -18;
	self.highJumpPower = -28; // Higher jump for longer press
	self.isOnGround = true;
	self.groundY = 2632; // Ground level - cursor height
	self.jump = function (isHighJump) {
		if (self.isOnGround) {
			if (isHighJump) {
				self.velocityY = self.highJumpPower;
			} else {
				self.velocityY = self.jumpPower;
			}
			self.isOnGround = false;
			LK.getSound('jump').play();
		}
	};
	self.update = function () {
		// Apply gravity
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		// Check ground collision
		if (self.y >= self.groundY) {
			self.y = self.groundY;
			self.velocityY = 0;
			self.isOnGround = true;
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var gameSpeed = 8;
var spawnTimer = 0;
var spawnInterval = 90; // Frames between spawns
var minSpawnInterval = 30;
var speedIncreaseTimer = 0;
// Create ground
var ground = game.addChild(LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 2632
}));
// Create cursor
var cursor = game.addChild(new Cursor());
cursor.x = 300;
cursor.y = cursor.groundY;
// Arrays to track game objects
var blocks = [];
// Create score display
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Game variables
var distance = 0;
var tapStartTime = 0;
var isTapping = false;
var highJumpThreshold = 200; // ms for high jump
function spawnBlock() {
	var block = new Block();
	block.x = 2200; // Spawn off-screen right
	block.y = 2632; // On ground level
	blocks.push(block);
	game.addChild(block);
}
function updateDifficulty() {
	speedIncreaseTimer++;
	if (speedIncreaseTimer >= 300) {
		// Every 5 seconds at 60fps
		gameSpeed += 0.5;
		if (spawnInterval > minSpawnInterval) {
			spawnInterval -= 2;
		}
		speedIncreaseTimer = 0;
	}
}
// Touch controls
game.down = function (x, y, obj) {
	tapStartTime = Date.now();
	isTapping = true;
};
game.up = function (x, y, obj) {
	if (isTapping) {
		var tapDuration = Date.now() - tapStartTime;
		var isHighJump = tapDuration >= highJumpThreshold;
		cursor.jump(isHighJump);
		isTapping = false;
	}
};
game.update = function () {
	// Update distance and score
	distance += gameSpeed;
	LK.setScore(Math.floor(distance / 10));
	scoreTxt.setText(LK.getScore());
	// Update difficulty
	updateDifficulty();
	// Spawn blocks
	spawnTimer++;
	if (spawnTimer >= spawnInterval) {
		spawnBlock();
		spawnTimer = 0;
	}
	// Update blocks and check collisions
	for (var i = blocks.length - 1; i >= 0; i--) {
		var block = blocks[i];
		block.speed = -gameSpeed;
		// Remove blocks that are off-screen
		if (block.x < -200) {
			block.destroy();
			blocks.splice(i, 1);
			continue;
		}
		// Check collision with cursor
		if (cursor.intersects(block)) {
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 500);
			LK.showGameOver();
			return;
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -26,13 +26,18 @@
 	});
 	self.velocityY = 0;
 	self.gravity = 0.8;
 	self.jumpPower = -18;
+	self.highJumpPower = -28; // Higher jump for longer press
 	self.isOnGround = true;
 	self.groundY = 2632; // Ground level - cursor height
-	self.jump = function () {
+	self.jump = function (isHighJump) {
 		if (self.isOnGround) {
-			self.velocityY = self.jumpPower;
+			if (isHighJump) {
+				self.velocityY = self.highJumpPower;
+			} else {
+				self.velocityY = self.jumpPower;
+			}
 			self.isOnGround = false;
 			LK.getSound('jump').play();
 		}
 	};
@@ -86,8 +91,11 @@
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Game variables
 var distance = 0;
+var tapStartTime = 0;
+var isTapping = false;
+var highJumpThreshold = 200; // ms for high jump
 function spawnBlock() {
 	var block = new Block();
 	block.x = 2200; // Spawn off-screen right
 	block.y = 2632; // On ground level
@@ -106,10 +114,19 @@
 	}
 }
 // Touch controls
 game.down = function (x, y, obj) {
-	cursor.jump();
+	tapStartTime = Date.now();
+	isTapping = true;
 };
+game.up = function (x, y, obj) {
+	if (isTapping) {
+		var tapDuration = Date.now() - tapStartTime;
+		var isHighJump = tapDuration >= highJumpThreshold;
+		cursor.jump(isHighJump);
+		isTapping = false;
+	}
+};
 game.update = function () {
 	// Update distance and score
 	distance += gameSpeed;
 	LK.setScore(Math.floor(distance / 10));