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

/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Dragon class to represent the player character
var Dragon = Container.expand(function () {
	var self = Container.call(this);
	var dragonGraphics = self.attachAsset('dragon', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.0,
		scaleY: 2.0,
		smooth: true,
		filterQuality: 2
	});
	self.speed = 20; // Further increase the speed of the dragon
	self.update = function () {
		// Update logic for the dragon to flip based on movement direction
		if (self.x < 2048 / 2) {
			dragonGraphics.scaleX = -1; // Flip horizontally when on the left side of the screen
		} else {
			dragonGraphics.scaleX = 1; // Normal orientation when on the right side of the screen
		}
		// Removed unnecessary variable to optimize performance
	};
});
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5,
		smooth: true,
		filterQuality: 1
	});
	self.visible = false;
	self.show = function (x, y) {
		self.x = x;
		self.y = y;
		self.visible = true;
		tween(self, {
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.visible = false;
				self.alpha = 1;
			}
		});
	};
});
var Explosion2 = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('Explosion2', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5,
		smooth: true,
		filterQuality: 1
	});
	self.visible = false;
	self.show = function (x, y) {
		self.x = x;
		self.y = y;
		self.visible = true;
		tween(self, {
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.visible = false;
				self.alpha = 1;
			}
		});
	};
});
var Explosion3 = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5,
		smooth: true,
		filterQuality: 1
	});
	self.visible = false;
	self.show = function (x, y) {
		self.x = x;
		self.y = y;
		self.visible = true;
		tween(self, {
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.visible = false;
				self.alpha = 1;
			}
		});
	};
});
// Fireball class to represent the fireballs that the dragon shoots
var Fireball = Container.expand(function (assetId) {
	var self = Container.call(this);
	var fireballGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.6,
		scaleY: 0.9,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 40; // Increase the speed of the fireballs
	self.update = function () {
		self.y += self.speed;
	};
});
// HealthBar class to represent the player's health
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	var healthBarGraphics = self.attachAsset('healthBar', {
		anchorX: 0.0,
		anchorY: 0.0,
		scaleX: 2530 / 1000,
		// Scale to fit the game width
		scaleY: 0.1
	});
	self.maxHealth = 1000;
	self.currentHealth = self.maxHealth;
	self.update = function () {
		healthBarGraphics.scaleX = self.currentHealth / self.maxHealth;
		healthBarGraphics.scaleY = 0.05; // Resize the health bar to fit the top of the screen
	};
});
var Icerocks = Container.expand(function () {
	var self = Container.call(this);
	var icerocksGraphics = self.attachAsset('Ice_lands', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 5;
	self.update = function () {
		self.y -= self.speed;
	};
});
var Lavarocks = Container.expand(function () {
	var self = Container.call(this);
	var lavarocksGraphics = self.attachAsset('Lavarocks', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: level === 2 ? 1.5 : 1.0,
		scaleY: level === 2 ? 1.5 : 1.0,
		smooth: true,
		filterQuality: 1
	});
	self.speed = level === 2 ? 10 : 5; // Increase speed for level 2
	self.update = function () {
		// Move the lavarocks upwards
		self.y -= self.speed;
	};
});
var Lavarocks1 = Container.expand(function () {
	var self = Container.call(this);
	var lavarocks1Graphics = self.attachAsset('Lavarocks1', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: level === 2 ? 1.5 : 1.0,
		scaleY: level === 2 ? 1.5 : 1.0,
		smooth: true,
		filterQuality: 1
	});
	self.speed = level === 2 ? 10 : 5; // Increase speed for level 2
	self.update = function () {
		// Move the lavarocks1 upwards
		self.y -= self.speed;
	};
});
var Lavarocks2 = Container.expand(function () {
	var self = Container.call(this);
	var lavarocks2Graphics = self.attachAsset('Lavarocks2', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: level === 2 ? 1.5 : 1.0,
		scaleY: level === 2 ? 1.5 : 1.0,
		smooth: true,
		filterQuality: 1
	});
	self.speed = level === 2 ? 10 : 5; // Increase speed for level 2
	self.update = function () {
		// Move the lavarocks2 upwards
		self.y -= self.speed;
	};
});
var Stone = Container.expand(function () {
	var self = Container.call(this);
	var stoneGraphics = self.attachAsset('Stone', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 10; // Increase speed for Stone objects
	self.update = function () {
		// Move the stones upwards
		self.y -= self.speed;
	};
});
var StoneCircle = Container.expand(function () {
	var self = Container.call(this);
	var stoneCircleGraphics = self.attachAsset('StoneCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 10; // Increase speed for StoneCircle objects
	self.update = function () {
		// Move the stones upwards
		self.y -= self.speed;
	};
});
var StoneSquare = Container.expand(function () {
	var self = Container.call(this);
	var stoneSquareGraphics = self.attachAsset('StoneSquare', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 10; // Increase speed for StoneSquare objects
	self.update = function () {
		// Move the stones upwards
		self.y -= self.speed;
	};
});
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('Tree01', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 5; // Reduce the speed of the tree
	self.update = function () {
		// Move the tree straight up
		self.y -= self.speed;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000,
	//Init game with black background
	height: 3000 // Increase the game screen height
});

/**** 
* Game Code
****/ 
// or via static code analysis based on their usage in the code.
function startRespawningObjects() {
	// Logic to start respawning objects based on the current level
	if (level === 1) {
		// Respawn Trees randomly in level 1
		if (!LK.gameOver && LK.ticks % 50 == 0 && levelTxtOrange.visible === false) {
			var newObject;
			for (var i = 0; i < spheres.length; i++) {}
			newObject.x = Math.random() * (2048 - newObject.width) + newObject.width / 2;
			newObject.y = 2732;
			var randomScaleY = 1.0 + Math.random() * 3.0; // Random scale between 1.0 and 4.0 for height
			newObject.scaleY = randomScaleY;
			newObject.speed = 5; // Reduce speed for objects in level 1
		}
	} else if (level === 2) {
		// Respawn Lavarocks, Lavarocks1, and Lavarocks2 randomly in level 2
		if (!LK.gameOver && LK.ticks % 50 == 0) {
			var newLavarock;
			for (var i = 0; i < spheres.length; i++) {
				if ((spheres[i] instanceof Lavarocks || spheres[i] instanceof Lavarocks1 || spheres[i] instanceof Lavarocks2) && spheres[i].y < -200) {
					newLavarock = spheres[i];
					break;
				}
			}
			if (!newLavarock) {
				var randomType = Math.floor(Math.random() * 3);
				if (randomType === 0) {
					newLavarock = new Lavarocks();
				} else if (randomType === 1) {
					newLavarock = new Lavarocks1();
				} else {
					newLavarock = new Lavarocks2();
				}
				spheres.push(newLavarock);
				game.addChild(newLavarock);
			}
			newLavarock.x = Math.random() * (2048 - newLavarock.width) + newLavarock.width / 2;
			newLavarock.y = 2732;
			var randomScale = 0.5 + Math.random() * 1.5; // Random scale between 0.5 and 2.0
			newLavarock.scaleX = randomScale;
			newLavarock.scaleY = randomScale;
		}
	}
}
// Function to show the level text twice
function showLevelTextTwice() {
	levelTxtOrange.fill = 0x0000ff; // Blue color
	levelTxtOrange.visible = true;
	LK.setTimeout(function () {
		levelTxtOrange.visible = false;
		LK.setTimeout(function () {
			levelTxtOrange.visible = true;
			LK.setTimeout(function () {
				levelTxtOrange.visible = false;
				// Start respawning objects after the text has shown and hidden for the last time
				startRespawningObjects();
			}, 500);
		}, 500);
	}, 500);
}
// Add background image for level 4
var backgroundLevel4 = LK.getAsset('Stone_lands', {
	anchorX: 0.0,
	anchorY: 0.0
});
backgroundLevel4.smooth = true;
backgroundLevel4.filterQuality = 0; // Further increase the filter quality for better clarity
backgroundLevel4.scale.set(2048 / 800, 2732 / 800);
backgroundLevel4.smooth = true; // Enable smoothing to remove pixelation
backgroundLevel4.filterQuality = 0; // Adjust filter quality for better clarity
backgroundLevel4.visible = false; // Initially hidden
game.addChild(backgroundLevel4);
// Initialize game variables
var dragon;
var spheres = [];
var fireballs = []; // Initialize fireballs array
var score = 0; // Initialize score to 0
var scoreTxt;
var level = 1; // Initialize level to 1
// Add background image to the game for level 1
var backgroundLevel1 = LK.getAsset('Green_lands', {
	anchorX: 0.0,
	anchorY: 0.0
});
backgroundLevel1.smooth = true; // Enable smoothing to remove pixelation
backgroundLevel1.filterQuality = 0; // Adjust filter quality for better clarity
backgroundLevel1.scale.set(2048 / 800, 2732 / 800); // Scale the background to fit the screen 
backgroundLevel1.smooth = true; // Enable smoothing to remove pixelation
backgroundLevel1.filterQuality = 0; // Further increase the filter quality for better clarity
backgroundLevel1.visible = true; // Initially visible
game.addChild(backgroundLevel1);
// Add background image for level 2
var backgroundLevel2 = LK.getAsset('Lava_lands', {
	anchorX: 0.0,
	anchorY: 0.0
});
backgroundLevel2.smooth = true;
backgroundLevel2.filterQuality = 0; // Further increase the filter quality for better clarity
backgroundLevel2.scale.set(2048 / 800, 2732 / 800);
backgroundLevel2.smooth = true; // Enable smoothing to remove pixelation
backgroundLevel2.filterQuality = 2; // Increase filter quality for better clarity
backgroundLevel2.visible = false; // Initially hidden
game.addChild(backgroundLevel2);
// Add background image for level 3
var backgroundLevel3 = LK.getAsset('Ice_lands', {
	anchorX: 0.0,
	anchorY: 0.0
});
backgroundLevel3.smooth = true;
backgroundLevel3.filterQuality = 0; // Further increase the filter quality for better clarity
backgroundLevel3.scale.set(2048 / 800, 2732 / 800);
backgroundLevel3.smooth = true; // Enable smoothing to remove pixelation
backgroundLevel3.filterQuality = 0; // Adjust filter quality for better clarity
backgroundLevel3.visible = false; // Initially hidden
game.addChild(backgroundLevel3);
// Refresh the background to be clearer & fit to screen every 60 ticks
game.update = function () {
	backgroundLevel1.x = 2048 / 2; // Center the background horizontally
	backgroundLevel1.y = 2732 / 2; // Center the background vertically
	if (backgroundLevel1.y >= 2732) {
		backgroundLevel1.y = -2732;
	}
};
// Function to handle game updates
game.update = function () {
	// Reuse off-screen stones or spawn new ones if necessary
	if (level === 4 && !LK.gameOver && LK.ticks % 50 == 0) {
		var newStone;
		for (var i = 0; i < spheres.length; i++) {
			if ((spheres[i] instanceof Stone || spheres[i] instanceof StoneCircle || spheres[i] instanceof StoneSquare) && spheres[i].y < -200) {
				newStone = spheres[i];
				break;
			}
		}
		if (!newStone) {
			var randomType = Math.floor(Math.random() * 3);
			if (randomType === 0) {
				newStone = new Stone();
			} else if (randomType === 1) {
				newStone = new StoneCircle();
			} else {
				newStone = new StoneSquare();
			}
			spheres.push(newStone);
			game.addChild(newStone);
		}
		newStone.x = Math.random() * (2048 - newStone.width) + newStone.width / 2;
		newStone.y = 2732;
		var randomScaleX = 0.5 + Math.random() * 1.5; // Random scale between 0.5 and 2.0 for width
		var randomScaleY = 0.5 + Math.random() * 2.0; // Random scale between 0.5 and 2.5 for height
		newStone.scaleX = randomScaleX;
		newStone.scaleY = randomScaleY;
	}
	// Check for collisions between fireballs and stones
	for (var i = fireballs.length - 1; i >= 0; i--) {
		if (fireballs[i].y > 2732) {
			fireballs[i].destroy();
			fireballs.splice(i, 1);
			continue;
		}
		for (var j = spheres.length - 1; j >= 0; j--) {
			if (fireballs[i].intersects(spheres[j]) && spheres[j] instanceof Stone) {
				// Add random points from 0-40 when the dragon shoots the stones
				var points = Math.floor(Math.random() * 41);
				score += points;
				// Remove the fireball and the object from the game
				fireballs[i].destroy();
				fireballs.splice(i, 1);
				spheres[j].destroy();
				spheres.splice(j, 1);
				break;
			}
		}
	}
	// Check for collisions between dragon and stones
	for (var j = spheres.length - 1; j >= 0; j--) {
		if (dragon.intersects(spheres[j]) && spheres[j] instanceof Stone) {
			// Decrease the dragon's health
			healthBar.currentHealth -= 20; // Consistent damage taken by the dragon from all objects in level 4
			// Remove the stone from the game
			spheres[j].destroy();
			spheres.splice(j, 1);
			break;
		}
	}
	if (!LK.gameOver && dragNode && dragNode.global) {
		dragNode.x = game.toLocal(dragNode.global).x;
	}
	// Reuse off-screen trees or spawn new ones if necessary
	if (level === 1 && !LK.gameOver && LK.ticks % 50 == 0) {
		// Further reduce the interval for spawning trees to add more tree objects
		// Reduce the interval for spawning trees
		var newTree;
		for (var i = 0; i < spheres.length; i++) {
			if (spheres[i] instanceof Tree && spheres[i].y < -200) {
				// Check if the tree is off-screen
				newTree = spheres[i];
				break;
			}
		}
		if (!newTree) {
			newTree = new Tree();
			spheres.push(newTree);
			game.addChild(newTree);
		}
		newTree.x = Math.random() * (2048 - newTree.width) + newTree.width / 2;
		newTree.y = 2732;
	}
	// Check for collisions between fireballs and trees or Lavarocks
	for (var i = fireballs.length - 1; i >= 0; i--) {
		if (fireballs[i].y > 2732) {
			fireballs[i].destroy();
			fireballs.splice(i, 1);
			continue;
		}
		for (var j = spheres.length - 1; j >= 0; j--) {
			if (fireballs[i].intersects(spheres[j])) {
				// Add random points from 0-40 when the dragon shoots the trees or Lavarocks
				var points = Math.floor(Math.random() * 41);
				score += points;
				// Show explosion effect
				var explosion = level === 2 ? new Explosion2() : new Explosion();
				game.addChild(explosion);
				explosion.show(spheres[j].x, spheres[j].y);
				// Remove the fireball and the object from the game
				fireballs[i].destroy();
				fireballs.splice(i, 1);
				spheres[j].destroy();
				spheres.splice(j, 1);
				break;
			}
		}
	}
	// Check for collisions between dragon and rocks
	for (var j = spheres.length - 1; j >= 0; j--) {
		if (dragon.intersects(spheres[j])) {
			// Decrease the dragon's health
			healthBar.currentHealth -= 20; // Consistent damage taken by the dragon from all objects in level 1
			// Remove the rock from the game
			spheres[j].destroy();
			spheres.splice(j, 1);
			break;
		}
		// Decrease dragon's health if any object passes the top of the screen
		if (spheres[j].y < -200) {
			healthBar.currentHealth -= 10; // Decrease health by 10 for each object
			spheres[j].destroy();
			spheres.splice(j, 1);
		}
		// Reuse off-screen lavarocks or spawn new ones if necessary
	}
	// Update the score display when the dragon gets points
	scoreTxt.setText('Score: ' + score);
	// Check if health bar reaches 0 to trigger game over
	if (healthBar.currentHealth <= 0 && !LK.gameOver) {
		LK.effects.flashScreen(0xff0000, 1000); // Flash screen red for 1 second
		LK.showGameOver(); // Show game over screen
	}
	// Regenerate player's health to max when score reaches 1000
	if (score >= 1000) {
		healthBar.currentHealth = healthBar.maxHealth;
		if (level === 1) {
			level = 2;
			levelTxt.setText('Level: ' + level);
			levelTxtOrange.setText('Level: ' + level);
			showLevelTextOnce();
			// Hide all backgrounds
			backgroundLevel1.visible = false;
			backgroundLevel2.visible = true;
			backgroundLevel3.visible = false;
			backgroundLevel4.visible = false;
			// Initialize level 2 objects
			var newLavarocks = new Lavarocks();
			spheres.push(newLavarocks);
			game.addChild(newLavarocks);
			newLavarocks.x = Math.random() * (2048 - newLavarocks.width) + newLavarocks.width / 2;
			newLavarocks.y = -100;
		}
	}
	// Transition to the next level every 300 score
	if (score >= 300 * level && level < 4) {
		level++;
		levelTxt.setText('Level: ' + level);
		levelTxtOrange.setText('Level: ' + level);
		showLevelTextOnce();
		// Hide all backgrounds
		backgroundLevel1.visible = false;
		backgroundLevel2.visible = false;
		backgroundLevel3.visible = false;
		backgroundLevel4.visible = false;
		// Show the current level background
		if (level === 2) {
			backgroundLevel2.visible = true;
			var newLavarocks = new Lavarocks();
			spheres.push(newLavarocks);
			game.addChild(newLavarocks);
			newLavarocks.x = Math.random() * (2048 - newLavarocks.width) + newLavarocks.width / 2;
			newLavarocks.y = -100;
		} else if (level === 3) {
			backgroundLevel3.visible = true;
			var newIcerocks = new Icerocks();
			spheres.push(newIcerocks);
			game.addChild(newIcerocks);
			newIcerocks.x = Math.random() * (2048 - newIcerocks.width) + newIcerocks.width / 2;
			newIcerocks.y = -100;
		} else if (level === 4) {
			backgroundLevel4.visible = true;
			var newStone = new Stone();
			spheres.push(newStone);
			game.addChild(newStone);
			newStone.x = Math.random() * (2048 - newStone.width) + newStone.width / 2;
			newStone.y = -100;
		}
	}
	// Respawn Lavarocks, Lavarocks1, and Lavarocks2 randomly in level 2
	if (level === 2 && !LK.gameOver && LK.ticks % 50 == 0) {
		var newLavarock;
		for (var i = 0; i < spheres.length; i++) {
			if ((spheres[i] instanceof Lavarocks || spheres[i] instanceof Lavarocks1 || spheres[i] instanceof Lavarocks2) && spheres[i].y < -200) {
				newLavarock = spheres[i];
				break;
			}
		}
		if (!newLavarock) {
			var randomType = Math.floor(Math.random() * 3);
			if (randomType === 0) {
				newLavarock = new Lavarocks();
			} else if (randomType === 1) {
				newLavarock = new Lavarocks1();
			} else {
				newLavarock = new Lavarocks2();
			}
			spheres.push(newLavarock);
			game.addChild(newLavarock);
		}
		newLavarock.x = Math.random() * (2048 - newLavarock.width) + newLavarock.width / 2;
		newLavarock.y = 2732;
		var randomScale = 0.5 + Math.random() * 1.5; // Random scale between 0.5 and 2.0
		newLavarock.scaleX = randomScale;
		newLavarock.scaleY = randomScale;
	}
};
// Initialize dragon
dragon = game.addChild(new Dragon());
dragon.x = 2048 / 2;
dragon.y = 200;
// Initialize start text
var startTxt = new Text2('Start', {
	size: 150,
	fill: 0xffa500,
	// Orange color
	font: "'Time new roman',Impact,'Arial Black',Tahoma"
});
startTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(startTxt);
// Function to show start text with alternating colors
function showStartText() {
	startTxt.visible = true;
	LK.setTimeout(function () {
		startTxt.visible = false;
		showLevelTextTwice(); // Show level status text before start text
	}, 2000);
}
// Initialize level display
var levelTxt = new Text2('Level: 1', {
	size: 100,
	fill: 0x800080,
	// Purple color
	font: "'Time new roman',Impact,'Arial Black',Tahoma"
});
levelTxt.anchor.set(1, 1);
LK.gui.bottomRight.addChild(levelTxt);
levelTxt.x = -50; // Move the level text to the right side of the screen
levelTxt.y = -50; // Position the level text at the bottom of the screen
// Call the function to show start text at the beginning of the game
showStartText();
// Initialize second level display in orange
var levelTxtOrange = new Text2('Level: ' + level, {
	size: 100,
	fill: 0xffff00,
	// Yellow color
	font: "'Time new roman',Impact,'Arial Black',Tahoma"
});
levelTxtOrange.anchor.set(0.5, 0.5);
LK.gui.center.addChild(levelTxtOrange);
levelTxtOrange.visible = false; // Initially hidden
// Function to show the orange level text twice
function showLevelTextOnce() {
	levelTxtOrange.fill = 0xffff00; // Yellow color
	levelTxtOrange.visible = true;
	tween(levelTxtOrange, {
		alpha: 0
	}, {
		duration: 500,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(levelTxtOrange, {
				alpha: 1
			}, {
				duration: 500,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(levelTxtOrange, {
						alpha: 0
					}, {
						duration: 500,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							tween(levelTxtOrange, {
								alpha: 1
							}, {
								duration: 500,
								easing: tween.easeInOut,
								onFinish: function onFinish() {
									levelTxtOrange.visible = false;
									// Start respawning objects after the text has disappeared
									startRespawningObjects();
								}
							});
						}
					});
				}
			});
		}
	});
}
// Initialize score display
scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0x800080,
	// Purple color
	font: "'Time new roman',Impact,'Arial Black',Tahoma"
});
LK.gui.top.addChild(scoreTxt);
scoreTxt.anchor.set(0, 0); // Sets anchor to the left of the top edge of the text.
scoreTxt.x = 50; // Position the score text a little bit to the right
scoreTxt.y = levelTxt.y - scoreTxt.height - 100; // Position the score text 100 pixels above the level text
// Initialize health bar
var healthBar = game.addChild(new HealthBar());
healthBar.x = 2000 / 2 - healthBar.width / 2 + 100; // Move health bar to the right a little bit
healthBar.y = 2710 - healthBar.height / 2; // Move health bar to the middle of the bottom side
scoreTxt.anchor.set(0, 1);
LK.gui.bottomLeft.addChild(scoreTxt);
scoreTxt.x = 50; // Position the score text a little bit to the right
scoreTxt.y = -50; // Position the score text above the health bar
// Handle touch input for dragging the dragon
var dragNode = null;
game.down = function (x, y, obj) {
	dragNode = dragon;
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.move = function (x, y, obj) {
	// Make the dragon follow the mouse cursor
	var newX = Math.max(dragon.width / 2, Math.min(2048 - dragon.width / 2, x));
	var newY = Math.max(dragon.height / 2, Math.min(2732 - dragon.height / 2, y));
	dragon.x = newX;
	dragon.y = newY;
	// Shoot a fireball at regular intervals
	if (LK.ticks % 10 == 0) {
		// Reduce the interval for shooting fireballs
		for (var i = 0; i < 1; i++) {
			var assetId;
			if (level === 2) {
				assetId = 'Shout2';
			} else if (level === 3) {
				assetId = 'Shout3';
			} else if (level === 4) {
				assetId = 'Shout4';
			} else {
				assetId = 'Shout1';
			}
			var fireball = new Fireball(assetId);
			fireball.x = dragon.x;
			fireball.y = dragon.y;
			fireballs.push(fireball);
			game.addChild(fireball);
		}
	}
};

===================================================================
--- original.js
+++ change.js