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

/**** 
* Classes
****/ 
var Dino = Container.expand(function () {
	var self = Container.call(this);
	var dinoGraphics = self.attachAsset('dino', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.isJumping = false;
	self.isDucking = false;
	self.velocityY = 0;
	self.groundY = 0;
	self.jumpForce = -25;
	self.gravity = 0.4;
	self.normalHeight = 120;
	self.duckHeight = 60;
	self.jump = function () {
		if (!self.isJumping && !self.isDucking) {
			self.isJumping = true;
			self.velocityY = self.jumpForce;
			LK.getSound('jump').play();
		}
	};
	self.duck = function () {
		if (!self.isJumping && !self.isDucking) {
			self.isDucking = true;
			dinoGraphics.height = self.duckHeight;
			LK.getSound('duck').play();
		}
	};
	self.stopDuck = function () {
		if (self.isDucking) {
			self.isDucking = false;
			dinoGraphics.height = self.normalHeight;
		}
	};
	self.update = function () {
		if (self.isJumping) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
			if (self.y >= self.groundY) {
				self.y = self.groundY;
				self.velocityY = 0;
				self.isJumping = false;
			}
		}
	};
	return self;
});
var Obstacle = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.speed = 0;
	if (type === 'cactus') {
		var obstacleGraphics = self.attachAsset('cactus', {
			anchorX: 0.5,
			anchorY: 1.0
		});
		self.y = 0;
	} else if (type === 'pterodactyl') {
		var obstacleGraphics = self.attachAsset('pterodactyl', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.y = -150;
	}
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var dino;
var obstacles = [];
var gameSpeed = 8;
var baseSpeed = 8;
var maxSpeed = 20;
var speedIncrease = 0.005;
var obstacleSpawnTimer = 0;
var obstacleSpawnInterval = 120;
var groundY = 2732 - 200;
var distance = 0;
var isGameRunning = true;
var isPressed = false;
// Create ground
var ground = LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 1.0,
	x: 0,
	y: groundY + 100
});
game.addChild(ground);
// Create dino
dino = new Dino();
dino.x = 300;
dino.y = groundY;
dino.groundY = groundY;
game.addChild(dino);
// Score display
var scoreText = new Text2('0', {
	size: 120,
	fill: 0x000000
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Distance display
var distanceText = new Text2('Distance: 0m', {
	size: 80,
	fill: 0x000000
});
distanceText.anchor.set(1, 0);
distanceText.x = -50;
distanceText.y = 50;
LK.gui.topRight.addChild(distanceText);
function spawnObstacle() {
	var obstacleType = Math.random() < 0.7 ? 'cactus' : 'pterodactyl';
	var obstacle = new Obstacle(obstacleType);
	obstacle.x = 2048 + 100;
	obstacle.y = obstacleType === 'cactus' ? groundY : groundY - 150;
	obstacle.speed = gameSpeed;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
function checkCollisions() {
	for (var i = 0; i < obstacles.length; i++) {
		var obstacle = obstacles[i];
		if (dino.intersects(obstacle)) {
			LK.getSound('hit').play();
			isGameRunning = false;
			LK.showGameOver();
			return;
		}
	}
}
function updateScore() {
	distance = Math.floor(LK.ticks / 6);
	LK.setScore(distance);
	scoreText.setText(distance.toString());
	distanceText.setText('Distance: ' + distance + 'm');
}
function updateGameSpeed() {
	gameSpeed = Math.min(maxSpeed, baseSpeed + distance * speedIncrease);
	// Adjust spawn interval based on speed
	obstacleSpawnInterval = Math.max(60, 120 - distance * 0.1);
}
// Input handling
game.down = function (x, y, obj) {
	if (isGameRunning) {
		isPressed = true;
		dino.jump();
	}
};
game.up = function (x, y, obj) {
	if (isGameRunning) {
		isPressed = false;
		dino.stopDuck();
	}
};
// Main game loop
game.update = function () {
	if (!isGameRunning) return;
	// Handle ducking
	if (isPressed && !dino.isJumping) {
		dino.duck();
	}
	// Update game speed
	updateGameSpeed();
	// Spawn obstacles
	obstacleSpawnTimer++;
	if (obstacleSpawnTimer >= obstacleSpawnInterval) {
		spawnObstacle();
		obstacleSpawnTimer = 0;
	}
	// Update obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		obstacle.speed = gameSpeed;
		// Remove obstacles that are off-screen
		if (obstacle.x < -200) {
			obstacle.destroy();
			obstacles.splice(i, 1);
		}
	}
	// Check collisions
	checkCollisions();
	// Update score
	updateScore();
};

===================================================================
--- original.js
+++ change.js
@@ -16,9 +16,9 @@
 	self.isDucking = false;
 	self.velocityY = 0;
 	self.groundY = 0;
 	self.jumpForce = -25;
-	self.gravity = 0.8;
+	self.gravity = 0.4;
 	self.normalHeight = 120;
 	self.duckHeight = 60;
 	self.jump = function () {
 		if (!self.isJumping && !self.isDucking) {