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

/**** 
* Classes
****/ 
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a class for collectible hearts
var Heart = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1,
		scaleY: 1
	});
	self.speed = 5;
	self.lastY = self.y;
	self.lastX = self.x;
	// Add some floating animation
	self.floatOffset = Math.random() * Math.PI * 2;
	self.floatSpeed = 0.05;
	self.baseY = 0;
	self.update = function () {
		// Store last position for collision detection
		self.lastY = self.y;
		self.lastX = self.x;
		// Move the heart
		self.x -= self.speed;
		// Floating animation
		self.y = self.baseY + Math.sin(LK.ticks * self.floatSpeed + self.floatOffset) * 20;
		// Remove if offscreen
		if (self.x < -50) {
			self.destroy();
		}
	};
	return self;
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.jumpHeight = 40;
	self.isJumping = false;
	self.canDoubleJump = false; // Track if player can perform double jump
	self.velocityY = 0;
	self.update = function () {
		// No need for physics-based jump calculation anymore
		// Animation is handled by tweens in jump method
	};
	self.jump = function () {
		// First jump
		if (!self.isJumping) {
			self.isJumping = true;
			self.canDoubleJump = true; // Enable double jump after first jump
			// Use tween for smoother jump animation
			var initialY = self.y;
			var peakY = initialY - 500; // Jump peak height - increased from 300 to 500
			tween(self, {
				y: peakY
			}, {
				duration: 500,
				easing: tween.easeOutQuad,
				onFinish: function onFinish() {
					// Fall back down with easing
					tween(self, {
						y: 2732 / 2 // Ground level
					}, {
						duration: 600,
						easing: tween.easeInQuad,
						onFinish: function onFinish() {
							self.isJumping = false;
							self.canDoubleJump = false; // Reset double jump ability
							self.velocityY = 0;
						}
					});
				}
			});
		}
		// Second jump (double jump)
		else if (self.canDoubleJump) {
			self.canDoubleJump = false; // Used double jump
			// Cancel any existing tweens on player
			tween.cancelAll(self);
			// Current Y position becomes the new starting point
			var currentY = self.y;
			var doubleJumpPeakY = currentY - 400; // Slightly lower second jump
			// Perform double jump animation
			tween(self, {
				y: doubleJumpPeakY
			}, {
				duration: 400,
				easing: tween.easeOutQuad,
				onFinish: function onFinish() {
					// Fall back down with easing
					tween(self, {
						y: 2732 / 2 // Ground level
					}, {
						duration: 500,
						easing: tween.easeInQuad,
						onFinish: function onFinish() {
							self.isJumping = false;
							self.velocityY = 0;
						}
					});
				}
			});
		}
	};
});
// Define a class for collectible power-up stars
var PowerStar = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.speed = 4;
	self.lastY = self.y;
	self.lastX = self.x;
	// Add floating animation
	self.floatOffset = Math.random() * Math.PI * 2;
	self.floatSpeed = 0.07;
	self.baseY = 0;
	// Add spinning animation
	self.rotation = 0;
	self.rotationSpeed = 0.05;
	self.update = function () {
		// Store last position for collision detection
		self.lastY = self.y;
		self.lastX = self.x;
		// Move the star
		self.x -= self.speed;
		// Floating animation
		self.y = self.baseY + Math.sin(LK.ticks * self.floatSpeed + self.floatOffset) * 25;
		// Spinning animation
		self.rotation += self.rotationSpeed;
		// Remove if offscreen
		if (self.x < -50) {
			self.destroy();
		}
	};
	return self;
});
// Define a class for star bullets
var Star = Container.expand(function () {
	var self = Container.call(this);
	// Create a yellow star shape using the built-in shape feature
	var starGraphics = self.attachAsset('star', {
		width: 50,
		height: 50,
		color: 0xffff00,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	// Store the last position for collision detection
	self.lastY = self.y;
	self.lastX = self.x;
	self.update = function () {
		// Store last position before update
		self.lastY = self.y;
		self.lastX = self.x;
		// Move the star forward
		self.x += self.speed;
		// Remove if it goes off-screen
		if (self.x > 2048 + 50) {
			self.destroy();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
// Ensure tween.cancelAll is available
if (!tween.cancelAll) {
	tween.cancelAll = function (target) {
		// Find all active tweens affecting this target and cancel them
		var allTweens = [];
		// Get all tweens
		if (tween.getAll && typeof tween.getAll === 'function') {
			allTweens = tween.getAll();
		} else {
			// Fallback implementation if getAll is not available
			if (tween._tweens && Array.isArray(tween._tweens)) {
				allTweens = tween._tweens;
			}
		}
		// Cancel tweens for target
		if (allTweens.length > 0) {
			allTweens.forEach(function (t) {
				if (t && t._target === target && typeof t.cancel === 'function') {
					t.cancel();
				}
			});
		}
		// If no direct way to access tweens, cancel by calling tween with duration 0
		tween(target, {}, {
			duration: 0
		});
	};
}
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0
}));
background.x = 0;
background.y = 0;
game.desertLevelActive = false;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
player.lives = 3;
player.invulnerable = false;
player.invulnerableTime = 0;
player.hasPowerStar = false;
player.powerStarTime = 0;
player.originalTint = 0xFFFFFF;
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Initialize collectible hearts
var collectibleHearts = [];
var heartSpawnInterval = 300; // Less frequent than enemies
var heartSpawnCounter = 0;
// Initialize power stars
var powerStars = [];
var powerStarSpawnInterval = 600; // Even less frequent than hearts
var powerStarSpawnCounter = 0;
// Create life display with proper heart images
var maxHearts = 5; // Maximum number of hearts
var heartsContainer = new Container();
LK.gui.top.addChild(heartsContainer);
heartsContainer.x = 0; // Will be centered
heartsContainer.y = 150; // Offset from top edge
// Create heart icons array - we'll display both filled and empty hearts
var heartIcons = [];
// Function to update heart display
function updateHeartDisplay() {
	// Remove existing hearts
	while (heartsContainer.children.length > 0) {
		heartsContainer.removeChildAt(0);
	}
	// Add heart icons
	for (var i = 0; i < player.lives; i++) {
		var heart = heartsContainer.addChild(LK.getAsset('heart', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1,
			scaleY: 1
		}));
		// Position hearts in a row, centered
		var heartSpacing = 130;
		var totalWidth = (player.lives - 1) * heartSpacing;
		heart.x = -totalWidth / 2 + i * heartSpacing;
		heartIcons[i] = heart;
	}
}
// Initialize heart display
updateHeartDisplay();
// Create a new Text2 object to display the score
var scoreText = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
// Add the score text to the game GUI at the top center of the screen
LK.gui.top.addChild(scoreText);
scoreText.x = 2048 / 2;
scoreText.y = 0;
// Create points counter and display
var points = 0;
var pointsText = new Text2('Points: 0', {
	size: 80,
	fill: 0xFFFFFF
});
LK.gui.topRight.addChild(pointsText);
pointsText.anchor.set(1, 0);
pointsText.x = -20;
pointsText.y = 0;
// Create instruction text with black background
var instructionContainer = new Container();
LK.gui.center.addChild(instructionContainer);
instructionContainer.y = 300;
// Create black background for instructions
var instructionBg = new Container();
instructionBg.width = 1000;
instructionBg.height = 350;
instructionContainer.addChild(instructionBg);
// Create a black rectangle background
var blackBg = instructionBg.attachAsset('rect', {
	width: 1000,
	height: 350,
	color: 0x000000,
	shape: 'box',
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.9
});
// Create instruction text with more detailed controls
var instructionText = new Text2('TAP to JUMP\nHOLD to continuously SHOOT', {
	size: 60,
	fill: 0xFFFFFF,
	align: 'center'
});
instructionText.anchor.set(0.5, 0.5);
instructionContainer.addChild(instructionText);
// Create a timeout to hide instructions after 6 seconds (reduced by 2 seconds)
LK.setTimeout(function () {
	// Fade out instructions
	var alpha = 1;
	var fadeInterval = LK.setInterval(function () {
		alpha -= 0.05; // Slower fade for better readability
		instructionContainer.alpha = alpha; // Fade the entire container including background
		if (alpha <= 0) {
			LK.clearInterval(fadeInterval);
			instructionContainer.visible = false;
		}
	}, 100);
}, 6000);
// Handle game updates
// Array to store bullets
var stars = [];
var shootTimer = 0;
game.update = function () {
	player.update();
	// Handle player invulnerability from damage
	if (player.invulnerable && !player.hasPowerStar) {
		// Make player flash to indicate invulnerability
		player.alpha = Math.sin(Date.now() * 0.01) * 0.5 + 0.5;
		// End invulnerability after 2 seconds
		if (Date.now() - player.invulnerableTime > 2000) {
			player.invulnerable = false;
			player.alpha = 1;
		}
	}
	// Handle power star invincibility
	if (player.hasPowerStar) {
		// Make player glow with neon colors
		var elapsed = Date.now() - player.powerStarTime;
		var colorIndex = Math.floor(elapsed / 300 % 4);
		var neonColors = [0x00FFFF, 0xFF00FF, 0xFFFF00, 0x00FF00];
		player.children[0].tint = neonColors[colorIndex];
		// Player is invulnerable during power star effect
		player.invulnerable = true;
		player.alpha = 1;
		// End power star effect after 20 seconds
		if (elapsed > 20000) {
			player.hasPowerStar = false;
			player.invulnerable = false;
			// Restore original appearance
			player.children[0].tint = player.originalTint;
			// Show power star end indicator
			showActionIndicator("POWER LOST", 1000);
		}
	}
	// Removed auto-shooting to only allow double tap shooting
	// Update stars
	for (var i = stars.length - 1; i >= 0; i--) {
		stars[i].update();
		// Remove stars that are destroyed
		if (!stars[i].parent) {
			stars.splice(i, 1);
			continue;
		}
		// Check for star-enemy collisions
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (stars[i] && enemies[j] && stars[i].intersects(enemies[j])) {
				// Remove the enemy and the star
				enemies[j].destroy();
				enemies.splice(j, 1);
				stars[i].destroy();
				stars.splice(i, 1);
				// Update score
				LK.setScore(LK.getScore() + 1);
				scoreText.setText(LK.getScore());
				// Update points
				points += 10;
				pointsText.setText('Points: ' + points);
				// Check if we need to change level
				if (points >= 100 && !game.desertLevelActive) {
					game.desertLevelActive = true;
					background.tint = 0xE8B06A; // Desert sandy orange-brown color
					showActionIndicator("DESERT LEVEL!", 2000);
				}
				break;
			}
		}
	}
	// Hearts are now managed by updateHeartDisplay function
	// Update collectible hearts
	for (var i = collectibleHearts.length - 1; i >= 0; i--) {
		collectibleHearts[i].update();
		// Remove hearts that are destroyed
		if (!collectibleHearts[i].parent) {
			collectibleHearts.splice(i, 1);
			continue;
		}
		// Check for player-heart collisions
		if (player.intersects(collectibleHearts[i])) {
			// Player collected a heart
			collectibleHearts[i].destroy();
			collectibleHearts.splice(i, 1);
			// Add a life if not at maximum
			if (player.lives < 5) {
				player.lives++;
				// Show heart collection indicator
				showActionIndicator("+1 LIFE!", 1000);
				// Update heart display
				updateHeartDisplay();
				// Get the newest heart for animation
				var newHeartIndex = player.lives - 1;
				var heart = heartIcons[newHeartIndex];
				// Show animation effect
				tween(heart, {
					scaleX: 1.5,
					scaleY: 1.5
				}, {
					duration: 300,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(heart, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 300,
							easing: tween.easeIn
						});
					}
				});
			}
		}
	}
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2048;
		enemy.y = 2732 / 2;
		enemies.push(enemy);
		game.addChild(enemy);
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Spawn collectible hearts
	heartSpawnCounter++;
	if (heartSpawnCounter >= heartSpawnInterval) {
		var heart = new Heart();
		heart.x = 2048;
		heart.y = Math.random() * 600 + 200; // Only spawn in upper third of screen
		heart.baseY = heart.y;
		collectibleHearts.push(heart);
		game.addChild(heart);
		// Randomize the spawn interval for the next heart (less frequent than enemies)
		heartSpawnInterval = Math.floor(Math.random() * 300) + 300;
		heartSpawnCounter = 0;
	}
	// Spawn power stars
	powerStarSpawnCounter++;
	if (powerStarSpawnCounter >= powerStarSpawnInterval) {
		var powerStar = new PowerStar();
		powerStar.x = 2048;
		powerStar.y = Math.random() * 600 + 200; // Only spawn in upper third of screen
		powerStar.baseY = powerStar.y;
		powerStars.push(powerStar);
		game.addChild(powerStar);
		// Randomize the spawn interval for the next power star (less frequent than hearts)
		powerStarSpawnInterval = Math.floor(Math.random() * 400) + 600;
		powerStarSpawnCounter = 0;
	}
	// Update power stars
	for (var i = powerStars.length - 1; i >= 0; i--) {
		powerStars[i].update();
		// Remove power stars that are destroyed
		if (!powerStars[i].parent) {
			powerStars.splice(i, 1);
			continue;
		}
		// Check for player-power star collisions
		if (player.intersects(powerStars[i])) {
			// Player collected a power star
			powerStars[i].destroy();
			powerStars.splice(i, 1);
			// Activate power star effect
			player.hasPowerStar = true;
			player.powerStarTime = Date.now();
			// Show power star collection indicator
			showActionIndicator("STAR POWER!", 1500);
			// Apply neon glow effect to player
			var neonColors = [0x00FFFF, 0xFF00FF, 0xFFFF00, 0x00FF00];
			player.originalTint = player.children[0].tint;
			tween(player.children[0], {
				tint: neonColors[0]
			}, {
				duration: 500
			});
		}
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j])) {
			if (player.hasPowerStar) {
				// With power star, destroy enemies on contact
				enemies[j].destroy();
				enemies.splice(j, 1);
				// Increase score
				LK.setScore(LK.getScore() + 2); // Double points during power star
				scoreText.setText(LK.getScore());
				// Increase points
				points += 10;
				pointsText.setText('Points: ' + points);
				// Check if we need to change level
				if (points >= 100 && !game.desertLevelActive) {
					game.desertLevelActive = true;
					background.tint = 0xE8C66A; // Desert sandy color
					showActionIndicator("DESERT LEVEL!", 2000);
				}
				// Show power star effect indicator
				if (Math.random() > 0.7) {
					// Only show occasionally to avoid spam
					showActionIndicator("STAR POWER!", 500);
				}
			} else if (!player.invulnerable) {
				// Player was hit, lose a life
				player.lives--;
				// Play hit sound
				LK.getSound('hit').play();
				// Flash screen to indicate damage
				LK.effects.flashScreen(0xff0000, 500);
				// Show damage indicator
				showActionIndicator("-1 LIFE!", 1000);
				// Make player temporarily invulnerable
				player.invulnerable = true;
				player.invulnerableTime = Date.now();
				// Update hearts display
				updateHeartDisplay();
				// Check if player is out of lives
				if (player.lives <= 0) {
					LK.showGameOver();
				} else {
					// Destroy the enemy that hit the player
					enemies[j].destroy();
					enemies.splice(j, 1);
				}
			}
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
	}
};
// Handle player interaction
var dragNode = null;
var actionIndicator = null;
// Create visual indicators for player actions
function showActionIndicator(text, duration) {
	// Remove any existing indicator
	if (actionIndicator && actionIndicator.parent) {
		actionIndicator.parent.removeChild(actionIndicator);
	}
	// Create new indicator
	actionIndicator = new Container();
	game.addChild(actionIndicator);
	// Add background
	var bg = actionIndicator.attachAsset('rect', {
		width: 300,
		height: 80,
		color: 0x000000,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	// Add text
	var txt = new Text2(text, {
		size: 50,
		fill: 0xFFFFFF,
		align: 'center'
	});
	txt.anchor.set(0.5, 0.5);
	actionIndicator.addChild(txt);
	// Position above player
	actionIndicator.x = player.x;
	actionIndicator.y = player.y - 150;
	// Fade out after duration
	actionIndicator.alpha = 1;
	tween(actionIndicator, {
		alpha: 0,
		y: actionIndicator.y - 50
	}, {
		duration: duration,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			if (actionIndicator && actionIndicator.parent) {
				actionIndicator.parent.removeChild(actionIndicator);
			}
		}
	});
}
// Function to handle movement and shooting while holding
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		// Keep the player at the same vertical position if not jumping
		// (but don't override the tween animation when jumping)
		if (!player.isJumping) {
			dragNode.y = 2732 / 2;
		}
		// If holding finger on screen, continuously shoot
		if (shootTimer > 0) {
			// Only shoot every 10 ticks to control fire rate
			if (LK.ticks % 10 === 0) {
				var star = new Star();
				star.x = player.x + 100;
				star.y = player.y;
				stars.push(star);
				game.addChild(star);
				// Play shooting sound
				LK.getSound('shoot').play();
			}
		}
	}
}
// shootTimer already declared earlier in the code
// Start tracking player movement on touch down and shoot on hold
game.down = function (x, y, obj) {
	// Always make the player jump on tap
	var jumpMessage = "JUMP!";
	// Show different message for double jump
	if (player.isJumping && player.canDoubleJump) {
		jumpMessage = "DOUBLE JUMP!";
	}
	player.jump();
	// Show jump indicator with appropriate message
	showActionIndicator(jumpMessage, 800);
	// Start shooting timer
	shootTimer = Date.now();
	// Handle regular movement
	dragNode = player;
	handleMove(x, y, obj);
};
// Update player position during movement
game.move = handleMove;
// Stop tracking player movement and shooting on touch up
game.up = function (x, y, obj) {
	dragNode = null;
	shootTimer = 0; // Reset shoot timer
};

===================================================================
--- original.js
+++ change.js
@@ -413,9 +413,9 @@
 				pointsText.setText('Points: ' + points);
 				// Check if we need to change level
 				if (points >= 100 && !game.desertLevelActive) {
 					game.desertLevelActive = true;
-					background.tint = 0xF9D7A2; // Warmer sandy desert color
+					background.tint = 0xE8B06A; // Desert sandy orange-brown color
 					showActionIndicator("DESERT LEVEL!", 2000);
 				}
 				break;
 			}