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

/**** 
* Classes
****/ 
var Asteroid = Container.expand(function () {
	var self = Container.call(this);
	var asteroidGraphics = self.attachAsset('asteroid', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.0,
		scaleY: 2.0
	});
	self.speed = 6 + Math.random() * 6;
	self.rotationSpeed = (Math.random() - 0.5) * 0.1;
	self.update = function () {
		self.y += self.speed;
		asteroidGraphics.rotation += self.rotationSpeed;
	};
	return self;
});
var Debris = Container.expand(function () {
	var self = Container.call(this);
	var debrisGraphics = self.attachAsset('debris', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	self.speed = 4 + Math.random() * 5;
	self.horizontalSpeed = (Math.random() - 0.5) * 2;
	self.update = function () {
		self.y += self.speed;
		self.x += self.horizontalSpeed;
	};
	return self;
});
var Spaceship = Container.expand(function () {
	var self = Container.call(this);
	var shipGraphics = self.attachAsset('spaceship', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.0,
		scaleY: 2.0
	});
	self.speed = 0;
	self.maxSpeed = 8;
	self.acceleration = 0.3;
	self.friction = 0.85;
	self.targetX = 1024; // Default center position
	self.update = function () {
		// Smoothly move towards target position
		var deltaX = self.targetX - self.x;
		self.x += deltaX * 0.1; // Smooth interpolation factor
		// Keep ship within bounds
		if (self.x < 40) {
			self.x = 40;
		}
		if (self.x > 2008) {
			self.x = 2008;
		}
	};
	self.moveLeft = function () {
		self.speed = Math.max(self.speed - self.acceleration, -self.maxSpeed);
	};
	self.moveRight = function () {
		self.speed = Math.min(self.speed + self.acceleration, self.maxSpeed);
	};
	self.setTargetX = function (x) {
		self.targetX = x;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000011
});

/**** 
* Game Code
****/ 
var spaceship = new Spaceship();
var obstacles = [];
var scrollSpeed = 4;
var spawnTimer = 0;
var spawnRate = 120; // frames between spawns
var gameSpeed = 1;
var altitude = 0;
var lastTouchX = null;
var isDragging = false;
var maxHealth = 100;
var currentHealth = 100;
var healthBarBg;
var healthBarFill;
// Create horizontal bar behind spaceship
var spaceshipBar = LK.getAsset('spaceshipBar', {
	anchorX: 0.5,
	anchorY: 0.5
});
spaceshipBar.x = 1024;
spaceshipBar.y = 2400;
game.addChild(spaceshipBar);
// Position spaceship
spaceship.x = 1024;
spaceship.y = 2400;
game.addChild(spaceship);
// Create score display
var scoreText = new Text2('Altitude: 0m', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Create altitude display
var altitudeText = new Text2('Score: 0', {
	size: 50,
	fill: 0xFFFFFF
});
altitudeText.anchor.set(0.5, 0);
altitudeText.y = 80;
LK.gui.top.addChild(altitudeText);
// Create health bar background
healthBarBg = LK.getAsset('healthBarBg', {
	anchorX: 0.5,
	anchorY: 0.0
});
healthBarBg.x = 1024;
healthBarBg.y = 200;
game.addChild(healthBarBg);
// Create health bar fill
healthBarFill = LK.getAsset('healthBarFill', {
	anchorX: 0.5,
	anchorY: 0.0
});
healthBarFill.x = 1024;
healthBarFill.y = 202;
game.addChild(healthBarFill);
function createObstacle() {
	var obstacle;
	if (Math.random() < 0.7) {
		obstacle = new Asteroid();
	} else {
		obstacle = new Debris();
	}
	obstacle.x = Math.random() * (2048 - 100) + 50;
	obstacle.y = -50;
	obstacles.push(obstacle);
	game.addChild(obstacle);
	// Move debris behind spaceship
	if (obstacle instanceof Debris) {
		game.setChildIndex(obstacle, 0);
	}
}
function handleTouch(x, y) {
	// Directly set spaceship target to cursor position
	spaceship.setTargetX(x);
}
game.down = function (x, y, obj) {
	isDragging = true;
	lastTouchX = x;
	handleTouch(x, y);
};
game.move = function (x, y, obj) {
	// Always follow cursor, not just when dragging
	handleTouch(x, y);
};
game.up = function (x, y, obj) {
	isDragging = false;
	lastTouchX = null;
};
game.update = function () {
	// Update altitude and score
	altitude += scrollSpeed;
	LK.setScore(Math.floor(altitude / 10));
	// Update displays
	scoreText.setText('Altitude: ' + Math.floor(altitude) + 'm');
	altitudeText.setText('Score: ' + LK.getScore());
	// Increase difficulty over time
	if (LK.ticks % 600 === 0) {
		// Every 10 seconds
		gameSpeed += 0.1;
		scrollSpeed = Math.min(scrollSpeed + 0.3, 10);
		spawnRate = Math.max(spawnRate - 5, 30);
	}
	// Spawn obstacles
	spawnTimer++;
	if (spawnTimer >= spawnRate) {
		createObstacle();
		spawnTimer = 0;
	}
	// Update spaceship bar position to follow spaceship
	spaceshipBar.x = spaceship.x;
	spaceshipBar.y = spaceship.y;
	// Update obstacles and check collisions
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		// Track last position for cleanup
		if (obstacle.lastY === undefined) obstacle.lastY = obstacle.y;
		// Remove obstacles that are off screen
		if (obstacle.lastY < 2800 && obstacle.y >= 2800) {
			obstacle.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		// Check collision with spaceship
		if (obstacle.intersects(spaceship)) {
			// Only deal damage if it's an asteroid (not small debris or stars)
			if (obstacle instanceof Asteroid) {
				// Reduce health instead of immediate game over
				currentHealth -= 20;
				// Update health bar
				var healthPercent = currentHealth / maxHealth;
				healthBarFill.scaleX = healthPercent;
				healthBarFill.x = 1024 - 148 + 296 * healthPercent * 0.5;
				// Change health bar color based on health level
				if (currentHealth <= 20) {
					healthBarFill.tint = 0xff0000; // Red
				} else if (currentHealth <= 50) {
					healthBarFill.tint = 0xffff00; // Yellow
				} else {
					healthBarFill.tint = 0x00ff00; // Green
				}
				// Flash screen red briefly
				LK.effects.flashScreen(0xff0000, 300);
				LK.getSound('explosion').play();
				// Check if health is depleted
				if (currentHealth <= 0) {
					LK.effects.flashScreen(0xff0000, 1000);
					LK.showGameOver();
					return;
				}
				// Remove only asteroids that hit us
				obstacle.destroy();
				obstacles.splice(i, 1);
				continue;
			}
		}
		obstacle.lastY = obstacle.y;
	}
	// Create star field effect by occasionally spawning small debris
	if (LK.ticks % 30 === 0) {
		var star = new Debris();
		star.x = Math.random() * 2048;
		star.y = -10;
		star.speed = 3 + Math.random() * 4;
		star.horizontalSpeed = 0;
		// Make it smaller and whiter
		star.scaleX = 0.3;
		star.scaleY = 0.3;
		star.alpha = 0.6;
		obstacles.push(star);
		game.addChild(star);
		// Move star behind spaceship
		game.setChildIndex(star, 0);
	}
};
// Start background music
LK.playMusic('space_music');

===================================================================
--- original.js
+++ change.js
@@ -97,8 +97,16 @@
 var maxHealth = 100;
 var currentHealth = 100;
 var healthBarBg;
 var healthBarFill;
+// Create horizontal bar behind spaceship
+var spaceshipBar = LK.getAsset('spaceshipBar', {
+	anchorX: 0.5,
+	anchorY: 0.5
+});
+spaceshipBar.x = 1024;
+spaceshipBar.y = 2400;
+game.addChild(spaceshipBar);
 // Position spaceship
 spaceship.x = 1024;
 spaceship.y = 2400;
 game.addChild(spaceship);
@@ -185,8 +193,11 @@
 	if (spawnTimer >= spawnRate) {
 		createObstacle();
 		spawnTimer = 0;
 	}
+	// Update spaceship bar position to follow spaceship
+	spaceshipBar.x = spaceship.x;
+	spaceshipBar.y = spaceship.y;
 	// Update obstacles and check collisions
 	for (var i = obstacles.length - 1; i >= 0; i--) {
 		var obstacle = obstacles[i];
 		// Track last position for cleanup