/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	shieldLevel: 1,
	laserLevel: 1,
	thrusterLevel: 1
});

/**** 
* Classes
****/ 
var Asteroid = Container.expand(function () {
	var self = Container.call(this);
	// Initialize with random size
	self.size = Math.random() * 0.5 + 0.8; // Between 0.8 and 1.3
	self.health = Math.ceil(self.size * 3);
	self.initialHealth = self.health;
	self.speedX = (Math.random() - 0.5) * 4;
	self.speedY = Math.random() * 3 + 2;
	self.rotationSpeed = (Math.random() - 0.5) * 0.05;
	self.value = Math.ceil(self.size * 10); // Points value
	self.resourceValue = Math.ceil(self.size * 2); // Resource value
	var asteroidGraphic = self.attachAsset('asteroid', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: self.size,
		scaleY: self.size
	});
	self.takeDamage = function (amount) {
		self.health -= amount;
		// Visual feedback
		LK.effects.flashObject(self, 0xffffff, 200);
		// Break apart
		if (self.health <= 0) {
			self["break"]();
			return true;
		}
		// Change appearance based on damage
		var healthPercent = self.health / self.initialHealth;
		asteroidGraphic.alpha = 0.5 + healthPercent * 0.5;
		return false;
	};
	self["break"] = function () {
		// Create minerals
		var mineralCount = Math.ceil(self.size * 2);
		for (var i = 0; i < mineralCount; i++) {
			var mineral = new Mineral();
			mineral.x = self.x + (Math.random() - 0.5) * 50;
			mineral.y = self.y + (Math.random() - 0.5) * 50;
			minerals.push(mineral);
			game.addChild(mineral);
		}
		// Add score
		addScore(self.value);
		// Mark for removal
		self.toBeRemoved = true;
	};
	self.update = function () {
		// Move asteroid
		self.x += self.speedX;
		self.y += self.speedY;
		// Rotate asteroid
		asteroidGraphic.rotation += self.rotationSpeed;
		// Wrap around screen edges horizontally
		if (self.x < -100) {
			self.x = 2148;
		}
		if (self.x > 2148) {
			self.x = -100;
		}
		// Remove if off bottom of screen
		if (self.y > 2832) {
			self.toBeRemoved = true;
		}
	};
	return self;
});
var ExplosiveAsteroid = Asteroid.expand(function () {
	var self = Asteroid.call(this);
	// Override the asteroid graphic with an explosive one
	self.removeChildren();
	var asteroidGraphic = self.attachAsset('explosiveAsteroid', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: self.size,
		scaleY: self.size
	});
	// Make it pulse
	function pulse() {
		tween(asteroidGraphic, {
			alpha: 0.6
		}, {
			duration: 500,
			onFinish: function onFinish() {
				tween(asteroidGraphic, {
					alpha: 1
				}, {
					duration: 500,
					onFinish: pulse
				});
			}
		});
	}
	pulse();
	// Override break function to create explosion
	var originalBreak = self["break"];
	self["break"] = function () {
		// Create explosion
		var explosion = new Explosion();
		explosion.x = self.x;
		explosion.y = self.y;
		explosions.push(explosion);
		game.addChild(explosion);
		// Original break functionality
		originalBreak();
	};
	return self;
});
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphic = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.9
	});
	self.radius = 50;
	self.damage = 40;
	self.lifetime = 500; // milliseconds
	self.born = Date.now();
	// Play explosion sound
	LK.getSound('explosion').play();
	// Animate explosion
	tween(explosionGraphic, {
		scaleX: 2,
		scaleY: 2,
		alpha: 0
	}, {
		duration: self.lifetime,
		onFinish: function onFinish() {
			self.toBeRemoved = true;
		}
	});
	self.update = function () {
		self.radius = 50 + (Date.now() - self.born) / self.lifetime * 100;
	};
	return self;
});
var GravitationalAnomaly = Container.expand(function () {
	var self = Container.call(this);
	var anomalyGraphic = self.attachAsset('anomaly', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	self.radius = 150;
	self.strength = 0.5;
	self.update = function () {
		// Visual effect or animation can be added here
	};
	return self;
});
var Laser = Container.expand(function () {
	var self = Container.call(this);
	var laserGraphic = self.attachAsset('laser', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.power = 1; // Will be set by ship when fired
	self.update = function () {
		self.y -= self.speed;
		// Destroy when off screen
		if (self.y < -100) {
			self.toBeRemoved = true;
		}
	};
	return self;
});
var Mineral = Container.expand(function () {
	var self = Container.call(this);
	var mineralGraphic = self.attachAsset('mineral', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = (Math.random() - 0.5) * 2;
	self.speedY = Math.random() * 2 + 1;
	self.value = Math.floor(Math.random() * 3) + 1;
	self.rotationSpeed = (Math.random() - 0.5) * 0.1;
	// Different colors based on value
	if (self.value === 1) {
		mineralGraphic.tint = 0x95a5a6; // Iron (gray)
	} else if (self.value === 2) {
		mineralGraphic.tint = 0xf1c40f; // Gold (yellow)
	} else {
		mineralGraphic.tint = 0x1abc9c; // Platinum (teal)
	}
	self.update = function () {
		// Move mineral
		self.x += self.speedX;
		self.y += self.speedY;
		// Rotate mineral
		mineralGraphic.rotation += self.rotationSpeed;
		// Wrap around screen edges horizontally
		if (self.x < -50) {
			self.x = 2098;
		}
		if (self.x > 2098) {
			self.x = -50;
		}
		// Remove if off bottom of screen
		if (self.y > 2832) {
			self.toBeRemoved = true;
		}
	};
	return self;
});
var Ship = Container.expand(function () {
	var self = Container.call(this);
	// Ship attributes
	self.maxShields = 100;
	self.shields = self.maxShields;
	self.speed = 5;
	self.lastFired = 0;
	self.fireRate = 500; // milliseconds between shots
	self.laserPower = 1;
	self.invulnerable = false;
	// Create ship body
	var shipBody = self.attachAsset('ship', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create shield indicator
	var shieldIndicator = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.3
	});
	// Method to update shield appearance
	self.updateShieldDisplay = function () {
		var shieldPercent = self.shields / self.maxShields;
		shieldIndicator.alpha = 0.1 + shieldPercent * 0.4;
		if (self.shields < 30) {
			shieldIndicator.tint = 0xff0000; // Red when low
		} else if (self.shields < 60) {
			shieldIndicator.tint = 0xffff00; // Yellow when medium
		} else {
			shieldIndicator.tint = 0x3498db; // Blue when high
		}
	};
	// Method to take damage
	self.takeDamage = function (amount) {
		if (self.invulnerable) {
			return;
		}
		self.shields -= amount;
		LK.getSound('damage').play();
		// Visual feedback
		LK.effects.flashObject(self, 0xff0000, 500);
		// Make invulnerable briefly
		self.invulnerable = true;
		LK.setTimeout(function () {
			self.invulnerable = false;
		}, 1000);
		self.updateShieldDisplay();
		if (self.shields <= 0) {
			gameOver();
		}
	};
	// Method to fire laser
	self.fireLaser = function () {
		var now = Date.now();
		if (now - self.lastFired < self.fireRate) {
			return;
		}
		self.lastFired = now;
		var laser = new Laser();
		laser.x = self.x;
		laser.y = self.y - 50;
		laser.power = self.laserPower;
		lasers.push(laser);
		game.addChild(laser);
		LK.getSound('laser').play();
	};
	// Init shield display
	self.updateShieldDisplay();
	return self;
});
var UpgradeCrate = Container.expand(function () {
	var self = Container.call(this);
	var crateGraphic = self.attachAsset('upgradeCrate', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedY = 3;
	self.pulseAmount = 0;
	// Pulse effect
	function pulse() {
		tween(crateGraphic, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 800,
			easing: tween.sinOut,
			onFinish: function onFinish() {
				tween(crateGraphic, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 800,
					easing: tween.sinIn,
					onFinish: pulse
				});
			}
		});
	}
	pulse();
	self.update = function () {
		// Move crate
		self.y += self.speedY;
		// Remove if off bottom of screen
		if (self.y > 2832) {
			self.toBeRemoved = true;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Game variables
var score = 0;
var resources = 0;
var level = 1;
var ship;
var lasers = [];
var asteroids = [];
var explosiveAsteroids = [];
var minerals = [];
var explosions = [];
var upgradeCrates = [];
var lastAsteroidTime = 0;
var gravitationalAnomalies = [];
var asteroidSpawnRate = 1500; // milliseconds between asteroid spawns
var nextUpgradeScore = 500;
var gameActive = true;
var dragOffset = {
	x: 0,
	y: 0
};
var dragActive = false;
// Initialize background
game.setBackgroundColor(0x000033);
// Create UI elements
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
LK.gui.topRight.addChild(scoreText);
scoreText.x = -300;
scoreText.y = 20;
var resourceText = new Text2('Resources: 0', {
	size: 60,
	fill: 0xFFFFFF
});
resourceText.anchor.set(0, 0);
LK.gui.topRight.addChild(resourceText);
resourceText.x = -300;
resourceText.y = 90;
var levelText = new Text2('Level: 1', {
	size: 60,
	fill: 0xFFFFFF
});
levelText.anchor.set(0, 0);
LK.gui.topRight.addChild(levelText);
levelText.x = -300;
levelText.y = 160;
var shieldText = new Text2('Shield: 100%', {
	size: 60,
	fill: 0xFFFFFF
});
shieldText.anchor.set(0, 0);
LK.gui.bottom.addChild(shieldText);
shieldText.x = -650;
shieldText.y = -80;
// Initialize ship
ship = new Ship();
ship.x = 2048 / 2;
ship.y = 2500;
game.addChild(ship);
// Load saved upgrades
loadUpgrades();
// Start background music
LK.playMusic('gameMusic', {
	fade: {
		start: 0,
		end: 0.4,
		duration: 1000
	}
});
// Game functions
function addScore(points) {
	score += points;
	scoreText.setText('Score: ' + score);
	// Check if player reached next upgrade threshold
	if (score >= nextUpgradeScore) {
		spawnUpgradeCrate();
		nextUpgradeScore += 500;
	}
	// Check for level increase
	var newLevel = Math.floor(score / 1000) + 1;
	if (newLevel > level) {
		level = newLevel;
		levelText.setText('Level: ' + level);
		// Increase difficulty
		asteroidSpawnRate = Math.max(300, 1500 - level * 100);
	}
}
function addResource(amount) {
	resources += amount;
	resourceText.setText('Resources: ' + resources);
	// Save high score if better than previous
	if (score > storage.highScore) {
		storage.highScore = score;
	}
}
function spawnAsteroid() {
	// Decide whether to spawn regular or explosive asteroid
	var isExplosive = Math.random() < 0.2;
	var asteroid;
	if (isExplosive) {
		asteroid = new ExplosiveAsteroid();
		explosiveAsteroids.push(asteroid);
	} else {
		asteroid = new Asteroid();
		asteroids.push(asteroid);
	}
	// Position at random location at top of screen
	asteroid.x = Math.random() * 2048;
	asteroid.y = -100;
	// Add to game
	game.addChild(asteroid);
}
function spawnUpgradeCrate() {
	var crate = new UpgradeCrate();
	crate.x = Math.random() * (2048 - 200) + 100; // Keep away from edges
	crate.y = -100;
	upgradeCrates.push(crate);
	game.addChild(crate);
}
function applyUpgrade() {
	// Show upgrade options in a future version
	// For now, just upgrade shields
	if (resources >= 10) {
		resources -= 10;
		resourceText.setText('Resources: ' + resources);
		// Upgrade a random system
		var system = Math.floor(Math.random() * 3);
		if (system === 0 && storage.shieldLevel < 5) {
			storage.shieldLevel++;
			ship.maxShields = 100 + (storage.shieldLevel - 1) * 25;
			ship.shields = ship.maxShields;
			shieldText.setText('Shield: ' + Math.floor(ship.shields) + '%');
			ship.updateShieldDisplay();
		} else if (system === 1 && storage.laserLevel < 5) {
			storage.laserLevel++;
			ship.laserPower = storage.laserLevel;
			ship.fireRate = 500 - (storage.laserLevel - 1) * 50;
		} else if (storage.thrusterLevel < 5) {
			storage.thrusterLevel++;
			ship.speed = 5 + (storage.thrusterLevel - 1);
		}
		LK.getSound('upgrade').play();
		// Visual feedback
		LK.effects.flashObject(ship, 0x9b59b6, 1000);
	}
}
function loadUpgrades() {
	// Apply saved upgrade levels
	ship.maxShields = 100 + (storage.shieldLevel - 1) * 25;
	ship.shields = ship.maxShields;
	ship.laserPower = storage.laserLevel;
	ship.fireRate = 500 - (storage.laserLevel - 1) * 50;
	ship.speed = 5 + (storage.thrusterLevel - 1);
	shieldText.setText('Shield: ' + Math.floor(ship.shields) + '%');
	ship.updateShieldDisplay();
}
function gameOver() {
	gameActive = false;
	LK.effects.flashScreen(0xff0000, 1000);
	LK.setTimeout(function () {
		LK.showGameOver();
	}, 1000);
}
// Input handlers
game.down = function (x, y, obj) {
	if (!gameActive) {
		return;
	}
	// Start dragging the ship
	dragOffset.x = ship.x - x;
	dragOffset.y = ship.y - y;
	dragActive = true;
	// Fire laser on tap
	ship.fireLaser();
};
game.move = function (x, y, obj) {
	if (!gameActive || !dragActive) {
		return;
	}
	// Move ship with drag, keeping it on screen
	ship.x = Math.min(Math.max(x + dragOffset.x, 50), 2048 - 50);
	ship.y = Math.min(Math.max(y + dragOffset.y, 50), 2732 - 50);
};
game.up = function (x, y, obj) {
	dragActive = false;
};
// Game loop
game.update = function () {
	if (!gameActive) {
		return;
	}
	// Spawn new asteroids
	var now = Date.now();
	if (now - lastAsteroidTime > asteroidSpawnRate) {
		spawnAsteroid();
		lastAsteroidTime = now;
	}
	// Randomly spawn gravitational anomalies
	if (Math.random() < 0.001) {
		// Adjust probability as needed
		var anomaly = new GravitationalAnomaly();
		anomaly.x = Math.random() * 2048;
		anomaly.y = Math.random() * 2732;
		gravitationalAnomalies.push(anomaly);
		game.addChild(anomaly);
	}
	// Update UI
	shieldText.setText('Shield: ' + Math.floor(ship.shields) + '%');
	// Update and check lasers
	for (var i = lasers.length - 1; i >= 0; i--) {
		var laser = lasers[i];
		if (laser.toBeRemoved) {
			game.removeChild(laser);
			lasers.splice(i, 1);
			continue;
		}
		// Check laser collisions with asteroids
		for (var j = asteroids.length - 1; j >= 0; j--) {
			var asteroid = asteroids[j];
			if (laser.intersects(asteroid)) {
				if (asteroid.takeDamage(laser.power)) {
					// Asteroid was destroyed
					game.removeChild(asteroid);
					asteroids.splice(j, 1);
				}
				// Remove laser on hit
				laser.toBeRemoved = true;
				break;
			}
		}
		// Check laser collisions with explosive asteroids
		for (var j = explosiveAsteroids.length - 1; j >= 0; j--) {
			var expAsteroid = explosiveAsteroids[j];
			if (laser.intersects(expAsteroid)) {
				if (expAsteroid.takeDamage(laser.power)) {
					// Asteroid was destroyed
					game.removeChild(expAsteroid);
					explosiveAsteroids.splice(j, 1);
				}
				// Remove laser on hit
				laser.toBeRemoved = true;
				break;
			}
		}
	}
	// Update and check minerals
	for (var i = minerals.length - 1; i >= 0; i--) {
		var mineral = minerals[i];
		if (mineral.toBeRemoved) {
			game.removeChild(mineral);
			minerals.splice(i, 1);
			continue;
		}
		// Check if ship collects mineral
		if (ship.intersects(mineral)) {
			addResource(mineral.value);
			LK.getSound('collect').play();
			mineral.toBeRemoved = true;
			// Visual feedback
			LK.effects.flashObject(ship, 0x2ecc71, 200);
		}
	}
	// Update and check asteroids
	for (var i = asteroids.length - 1; i >= 0; i--) {
		var asteroid = asteroids[i];
		if (asteroid.toBeRemoved) {
			game.removeChild(asteroid);
			asteroids.splice(i, 1);
			continue;
		}
		// Check collision with ship
		if (ship.intersects(asteroid)) {
			ship.takeDamage(10 + level);
			asteroid["break"]();
			game.removeChild(asteroid);
			asteroids.splice(i, 1);
		}
	}
	// Update and check explosive asteroids
	for (var i = explosiveAsteroids.length - 1; i >= 0; i--) {
		var expAsteroid = explosiveAsteroids[i];
		if (expAsteroid.toBeRemoved) {
			game.removeChild(expAsteroid);
			explosiveAsteroids.splice(i, 1);
			continue;
		}
		// Check collision with ship
		if (ship.intersects(expAsteroid)) {
			ship.takeDamage(20 + level * 2);
			expAsteroid["break"]();
			game.removeChild(expAsteroid);
			explosiveAsteroids.splice(i, 1);
		}
	}
	// Update and check explosions
	for (var i = explosions.length - 1; i >= 0; i--) {
		var explosion = explosions[i];
		if (explosion.toBeRemoved) {
			game.removeChild(explosion);
			explosions.splice(i, 1);
			continue;
		}
		// Check if ship is caught in explosion
		var dx = ship.x - explosion.x;
		var dy = ship.y - explosion.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < explosion.radius + 50) {
			// Add ship radius
			// Damage diminishes with distance
			var damageMultiplier = 1 - distance / (explosion.radius + 50);
			ship.takeDamage(explosion.damage * damageMultiplier);
		}
	}
	// Update and check gravitational anomalies
	for (var i = gravitationalAnomalies.length - 1; i >= 0; i--) {
		var anomaly = gravitationalAnomalies[i];
		if (anomaly.toBeRemoved) {
			game.removeChild(anomaly);
			gravitationalAnomalies.splice(i, 1);
			continue;
		}
		// Check if ship is affected by anomaly
		var dx = ship.x - anomaly.x;
		var dy = ship.y - anomaly.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < anomaly.radius) {
			// Apply gravitational pull
			var pullStrength = anomaly.strength * (1 - distance / anomaly.radius);
			ship.x += dx * pullStrength;
			ship.y += dy * pullStrength;
		}
	}
	// Update and check upgrade crates
	for (var i = upgradeCrates.length - 1; i >= 0; i--) {
		var crate = upgradeCrates[i];
		if (crate.toBeRemoved) {
			game.removeChild(crate);
			upgradeCrates.splice(i, 1);
			continue;
		}
		// Check if ship collects upgrade
		if (ship.intersects(crate)) {
			applyUpgrade();
			crate.toBeRemoved = true;
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -147,8 +147,22 @@
 		self.radius = 50 + (Date.now() - self.born) / self.lifetime * 100;
 	};
 	return self;
 });
+var GravitationalAnomaly = Container.expand(function () {
+	var self = Container.call(this);
+	var anomalyGraphic = self.attachAsset('anomaly', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.7
+	});
+	self.radius = 150;
+	self.strength = 0.5;
+	self.update = function () {
+		// Visual effect or animation can be added here
+	};
+	return self;
+});
 var Laser = Container.expand(function () {
 	var self = Container.call(this);
 	var laserGraphic = self.attachAsset('laser', {
 		anchorX: 0.5,
@@ -335,8 +349,9 @@
 var minerals = [];
 var explosions = [];
 var upgradeCrates = [];
 var lastAsteroidTime = 0;
+var gravitationalAnomalies = [];
 var asteroidSpawnRate = 1500; // milliseconds between asteroid spawns
 var nextUpgradeScore = 500;
 var gameActive = true;
 var dragOffset = {
@@ -521,8 +536,17 @@
 	if (now - lastAsteroidTime > asteroidSpawnRate) {
 		spawnAsteroid();
 		lastAsteroidTime = now;
 	}
+	// Randomly spawn gravitational anomalies
+	if (Math.random() < 0.001) {
+		// Adjust probability as needed
+		var anomaly = new GravitationalAnomaly();
+		anomaly.x = Math.random() * 2048;
+		anomaly.y = Math.random() * 2732;
+		gravitationalAnomalies.push(anomaly);
+		game.addChild(anomaly);
+	}
 	// Update UI
 	shieldText.setText('Shield: ' + Math.floor(ship.shields) + '%');
 	// Update and check lasers
 	for (var i = lasers.length - 1; i >= 0; i--) {
@@ -628,8 +652,27 @@
 			var damageMultiplier = 1 - distance / (explosion.radius + 50);
 			ship.takeDamage(explosion.damage * damageMultiplier);
 		}
 	}
+	// Update and check gravitational anomalies
+	for (var i = gravitationalAnomalies.length - 1; i >= 0; i--) {
+		var anomaly = gravitationalAnomalies[i];
+		if (anomaly.toBeRemoved) {
+			game.removeChild(anomaly);
+			gravitationalAnomalies.splice(i, 1);
+			continue;
+		}
+		// Check if ship is affected by anomaly
+		var dx = ship.x - anomaly.x;
+		var dy = ship.y - anomaly.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < anomaly.radius) {
+			// Apply gravitational pull
+			var pullStrength = anomaly.strength * (1 - distance / anomaly.radius);
+			ship.x += dx * pullStrength;
+			ship.y += dy * pullStrength;
+		}
+	}
 	// Update and check upgrade crates
 	for (var i = upgradeCrates.length - 1; i >= 0; i--) {
 		var crate = upgradeCrates[i];
 		if (crate.toBeRemoved) {