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

/**** 
* Classes
****/ 
var Cactus = Container.expand(function () {
	var self = Container.call(this);
	var cactusGraphics = self.attachAsset('cactus', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = gameSpeed;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
var Dino = Container.expand(function () {
	var self = Container.call(this);
	// Main body
	var dinoBody = self.attachAsset('dino', {
		anchorX: 0.5,
		anchorY: 1,
		width: 80,
		height: 160
	});
	// Head
	var dinoHead = self.attachAsset('dinoHead', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 60,
		height: 60
	});
	dinoHead.x = 50;
	dinoHead.y = -120;
	// Tail
	var dinoTail = self.attachAsset('dinoTail', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 100,
		height: 30
	});
	dinoTail.x = -70;
	dinoTail.y = -60;
	// Legs
	var dinoLeg1 = self.attachAsset('dinoLegs', {
		anchorX: 0.5,
		anchorY: 1,
		width: 30,
		height: 50
	});
	dinoLeg1.x = -30;
	dinoLeg1.y = 0;
	var dinoLeg2 = self.attachAsset('dinoLegs', {
		anchorX: 0.5,
		anchorY: 1,
		width: 30,
		height: 50
	});
	dinoLeg2.x = 30;
	dinoLeg2.y = 0;
	self.groundY = 2600;
	self.x = 300;
	self.y = self.groundY;
	self.velocityY = 0;
	self.isJumping = false;
	self.isDucking = false;
	self.jumpPower = -25;
	self.gravity = 1.2;
	self.duckHeight = 80;
	self.normalHeight = 160;
	self.jump = function () {
		if (!self.isJumping) {
			self.velocityY = self.jumpPower;
			self.isJumping = true;
		}
	};
	self.duck = function () {
		if (!self.isDucking && !self.isJumping) {
			self.isDucking = true;
			dinoBody.height = self.duckHeight;
			dinoHead.y = -60;
			dinoTail.y = -30;
			self.y = self.groundY - self.duckHeight + self.normalHeight;
		}
	};
	self.stopDuck = function () {
		if (self.isDucking) {
			self.isDucking = false;
			dinoBody.height = self.normalHeight;
			dinoHead.y = -120;
			dinoTail.y = -60;
			self.y = self.groundY;
		}
	};
	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 Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = gameSpeed;
	self.update = function () {
		self.x -= self.speed;
		if (self.x <= -2048) {
			self.x = 0;
		}
	};
	return self;
});
var Pterodactyl = Container.expand(function () {
	var self = Container.call(this);
	var pterodactylGraphics = self.attachAsset('pterodactyl', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = gameSpeed;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var dino;
var obstacles = [];
var groundElements = [];
var gameSpeed = 8;
var baseSpeed = 8;
var maxSpeed = 20;
var speedIncrement = 0.01;
var obstacleSpawnTimer = 0;
var obstacleSpawnDelay = 120;
var minSpawnDelay = 60;
var distance = 0;
var isPressed = false;
// Create score display
var scoreText = new Text2('Distance: 0', {
	size: 60,
	fill: 0x000000
});
scoreText.anchor.set(0, 0);
LK.gui.topRight.addChild(scoreText);
scoreText.x = -300;
scoreText.y = 50;
// Create dino
dino = new Dino();
game.addChild(dino);
// Create ground elements
for (var i = 0; i < 3; i++) {
	var ground = new Ground();
	ground.x = i * 2048;
	ground.y = 2620;
	groundElements.push(ground);
	game.addChild(ground);
}
function spawnObstacle() {
	var obstacleType = Math.random();
	var obstacle;
	if (obstacleType < 0.7) {
		// Spawn cactus
		obstacle = new Cactus();
		obstacle.x = 2200;
		obstacle.y = 2600;
	} else {
		// Spawn pterodactyl
		obstacle = new Pterodactyl();
		obstacle.x = 2200;
		obstacle.y = 2450 + Math.random() * 100;
	}
	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.showGameOver();
			return;
		}
	}
}
game.down = function (x, y, obj) {
	isPressed = true;
	if (!dino.isJumping) {
		dino.jump();
	}
};
game.up = function (x, y, obj) {
	isPressed = false;
	dino.stopDuck();
};
game.update = function () {
	// Handle ducking
	if (isPressed && !dino.isJumping) {
		dino.duck();
	}
	// Update game speed
	gameSpeed = Math.min(baseSpeed + distance * speedIncrement, maxSpeed);
	// Update distance and score
	distance += gameSpeed * 0.1;
	LK.setScore(Math.floor(distance));
	scoreText.setText('Distance: ' + Math.floor(distance));
	// Update ground speed
	for (var i = 0; i < groundElements.length; i++) {
		groundElements[i].speed = gameSpeed;
	}
	// Spawn obstacles
	obstacleSpawnTimer++;
	var currentSpawnDelay = Math.max(obstacleSpawnDelay - distance * 0.5, minSpawnDelay);
	if (obstacleSpawnTimer >= currentSpawnDelay) {
		spawnObstacle();
		obstacleSpawnTimer = 0;
	}
	// Update obstacle speeds and remove off-screen obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		obstacle.speed = gameSpeed;
		if (obstacle.x < -100) {
			obstacle.destroy();
			obstacles.splice(i, 1);
		}
	}
	// Check collisions
	checkCollisions();
};

===================================================================
--- original.js
+++ change.js
@@ -22,36 +22,46 @@
 	var self = Container.call(this);
 	// Main body
 	var dinoBody = self.attachAsset('dino', {
 		anchorX: 0.5,
-		anchorY: 1
+		anchorY: 1,
+		width: 80,
+		height: 160
 	});
 	// Head
 	var dinoHead = self.attachAsset('dinoHead', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 60,
+		height: 60
 	});
-	dinoHead.x = 25;
-	dinoHead.y = -60;
+	dinoHead.x = 50;
+	dinoHead.y = -120;
 	// Tail
 	var dinoTail = self.attachAsset('dinoTail', {
 		anchorX: 0.5,
-		anchorY: 0.5
+		anchorY: 0.5,
+		width: 100,
+		height: 30
 	});
-	dinoTail.x = -35;
-	dinoTail.y = -30;
+	dinoTail.x = -70;
+	dinoTail.y = -60;
 	// Legs
 	var dinoLeg1 = self.attachAsset('dinoLegs', {
 		anchorX: 0.5,
-		anchorY: 1
+		anchorY: 1,
+		width: 30,
+		height: 50
 	});
-	dinoLeg1.x = -15;
+	dinoLeg1.x = -30;
 	dinoLeg1.y = 0;
 	var dinoLeg2 = self.attachAsset('dinoLegs', {
 		anchorX: 0.5,
-		anchorY: 1
+		anchorY: 1,
+		width: 30,
+		height: 50
 	});
-	dinoLeg2.x = 15;
+	dinoLeg2.x = 30;
 	dinoLeg2.y = 0;
 	self.groundY = 2600;
 	self.x = 300;
 	self.y = self.groundY;
@@ -59,10 +69,10 @@
 	self.isJumping = false;
 	self.isDucking = false;
 	self.jumpPower = -25;
 	self.gravity = 1.2;
-	self.duckHeight = 40;
-	self.normalHeight = 80;
+	self.duckHeight = 80;
+	self.normalHeight = 160;
 	self.jump = function () {
 		if (!self.isJumping) {
 			self.velocityY = self.jumpPower;
 			self.isJumping = true;
@@ -71,19 +81,19 @@
 	self.duck = function () {
 		if (!self.isDucking && !self.isJumping) {
 			self.isDucking = true;
 			dinoBody.height = self.duckHeight;
-			dinoHead.y = -30;
-			dinoTail.y = -15;
+			dinoHead.y = -60;
+			dinoTail.y = -30;
 			self.y = self.groundY - self.duckHeight + self.normalHeight;
 		}
 	};
 	self.stopDuck = function () {
 		if (self.isDucking) {
 			self.isDucking = false;
 			dinoBody.height = self.normalHeight;
-			dinoHead.y = -60;
-			dinoTail.y = -30;
+			dinoHead.y = -120;
+			dinoTail.y = -60;
 			self.y = self.groundY;
 		}
 	};
 	self.update = function () {