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

/**** 
* Classes
****/ 
var Collectible = Container.expand(function () {
	var self = Container.call(this);
	var collectibleGraphics = self.attachAsset('collectible', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = collectibleGraphics.width;
	self.height = collectibleGraphics.height;
	self.collected = false;
	// Add a pulsing animation
	function pulse() {
		tween(collectibleGraphics, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(collectibleGraphics, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: pulse
				});
			}
		});
	}
	pulse();
	self.collect = function () {
		if (!self.collected) {
			self.collected = true;
			LK.getSound('collect').play();
			// Animate the collectible when collected
			tween(collectibleGraphics, {
				alpha: 0,
				scaleX: 2,
				scaleY: 2
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					self.visible = false;
				}
			});
			return true;
		}
		return false;
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = obstacleGraphics.width;
	self.height = obstacleGraphics.height;
	return self;
});
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = platformGraphics.width;
	self.height = platformGraphics.height;
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = {
		x: 0,
		y: 0
	};
	self.gravity = 0.8;
	self.jumpForce = -18;
	self.isJumping = false;
	self.isDead = false;
	self.speed = 8;
	self.jump = function () {
		if (!self.isJumping && !self.isDead) {
			self.velocity.y = self.jumpForce;
			self.isJumping = true;
			LK.getSound('jump').play();
			// Rotate the player when jumping
			tween(playerGraphics, {
				rotation: Math.PI * 2
			}, {
				duration: 500,
				easing: tween.easeOut
			});
		}
	};
	self.die = function () {
		if (!self.isDead) {
			self.isDead = true;
			LK.getSound('death').play();
			// Flash the player red
			LK.effects.flashObject(self, 0xff0000, 500);
			// Show game over after a short delay
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 1000);
		}
	};
	self.invincible = false; // Add invincibility property
	self.invincibilityDuration = 1000; // Duration in milliseconds
	self.update = function () {
		if (self.isDead || self.invincible) {
			return;
		}
		// Apply gravity
		self.velocity.y += self.gravity;
		// Apply velocity
		self.y += self.velocity.y;
		self.x += self.speed;
		// Check if player fell off the screen
		if (self.y > 2732 + 200) {
			self.reset(); // Reset player position instead of dying
		}
	};
	self.reset = function () {
		self.velocity = {
			x: 0,
			y: 0
		};
		self.isJumping = false;
		self.isDead = false;
		self.x = 250;
		self.y = 2732 / 2;
		playerGraphics.rotation = 0;
	};
	return self;
});
var Spike = Container.expand(function () {
	var self = Container.call(this);
	var spikeGraphics = self.attachAsset('spike', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Make it look more like a spike (rotate to point upward)
	spikeGraphics.rotation = Math.PI / 4; // 45 degrees
	self.width = spikeGraphics.width;
	self.height = spikeGraphics.height;
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x34495e
});

/**** 
* Game Code
****/ 
// Game variables
var LevelGenerator = function LevelGenerator() {
	var self = {};
	self.generateLevel = function (difficulty, startX) {
		var elements = [];
		var x = startX || 500;
		var spacing = 300 - difficulty * 20; // Reduce spacing as difficulty increases
		var platformCount = 10 + difficulty * 5;
		// Generate platforms with obstacles and collectibles
		for (var i = 0; i < platformCount; i++) {
			// Create a platform
			var platform = new Platform();
			platform.x = x;
			platform.y = 2732 / 2 + 200 + Math.sin(i * 0.4) * 150;
			elements.push(platform);
			// Randomly add obstacles based on difficulty
			if (Math.random() < 0.3 + difficulty * 0.1) {
				var obstacle = new Obstacle();
				obstacle.x = x;
				obstacle.y = platform.y - platform.height / 2 - obstacle.height / 2;
				elements.push(obstacle);
			}
			// Randomly add spikes based on difficulty
			if (Math.random() < 0.2 + difficulty * 0.05) {
				var spike = new Spike();
				spike.x = x + (Math.random() * 100 - 50);
				spike.y = platform.y - platform.height / 2 - spike.height / 2;
				elements.push(spike);
			}
			// Randomly add collectibles
			if (Math.random() < 0.4) {
				var collectible = new Collectible();
				collectible.x = x;
				collectible.y = platform.y - 120;
				elements.push(collectible);
			}
			// Increase x position for next platform
			x += spacing + Math.random() * 100;
		}
		return {
			elements: elements,
			endX: x
		};
	};
	return self;
};
var player;
var platforms = [];
var obstacles = [];
var spikes = [];
var collectibles = [];
var levelGenerator;
var currentLevel = 1;
var levelEndX = 0;
var gameStarted = false;
var cameraOffset = 0;
// Setup score text
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Setup level text
var levelTxt = new Text2('LEVEL 1', {
	size: 80,
	fill: 0xFFFFFF
});
levelTxt.anchor.set(0.5, 0);
levelTxt.y = 120;
LK.gui.top.addChild(levelTxt);
// Setup instructions
var instructionsTxt = new Text2('TAP TO JUMP', {
	size: 80,
	fill: 0xFFFFFF
});
instructionsTxt.anchor.set(0.5, 0.5);
instructionsTxt.alpha = 0.8;
LK.gui.center.addChild(instructionsTxt);
// Initialize level generator
levelGenerator = new LevelGenerator();
// Create player
player = new Player();
player.reset();
game.addChild(player);
// Generate first level
function generateNewLevel() {
	// Clear existing level elements
	for (var i = platforms.length - 1; i >= 0; i--) {
		game.removeChild(platforms[i]);
		platforms.splice(i, 1);
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		game.removeChild(obstacles[i]);
		obstacles.splice(i, 1);
	}
	for (var i = spikes.length - 1; i >= 0; i--) {
		game.removeChild(spikes[i]);
		spikes.splice(i, 1);
	}
	for (var i = collectibles.length - 1; i >= 0; i--) {
		game.removeChild(collectibles[i]);
		collectibles.splice(i, 1);
	}
	// Generate new level
	var level = levelGenerator.generateLevel(currentLevel - 1, 500);
	levelEndX = level.endX;
	// Add elements to the game
	for (var i = 0; i < level.elements.length; i++) {
		var element = level.elements[i];
		game.addChild(element);
		// Add to appropriate array for collision detection
		if (element instanceof Platform) {
			platforms.push(element);
		} else if (element instanceof Obstacle) {
			obstacles.push(element);
		} else if (element instanceof Spike) {
			spikes.push(element);
		} else if (element instanceof Collectible) {
			collectibles.push(element);
		}
	}
	// Update level text
	levelTxt.setText('LEVEL ' + currentLevel);
}
// Check player collisions
function checkCollisions() {
	// Check platform collisions
	var onGround = false;
	for (var i = 0; i < platforms.length; i++) {
		var platform = platforms[i];
		// Simple collision detection
		if (player.x + 40 > platform.x - platform.width / 2 && player.x - 40 < platform.x + platform.width / 2 && player.y + 40 > platform.y - platform.height / 2 && player.y + 40 < platform.y + platform.height / 2 && player.velocity.y > 0) {
			player.y = platform.y - platform.height / 2 - 40;
			player.velocity.y = 0;
			player.isJumping = false;
			onGround = true;
		}
	}
	// Check obstacle collisions
	for (var i = 0; i < obstacles.length; i++) {
		var obstacle = obstacles[i];
		if (player.intersects(obstacle) && !player.invincible) {
			player.die(); // Trigger player death
			player.invincible = true; // Set player to invincible
			LK.setTimeout(function () {
				// Reset invincibility after duration
				player.invincible = false;
			}, player.invincibilityDuration);
		}
	}
	// Check spike collisions
	for (var i = 0; i < spikes.length; i++) {
		var spike = spikes[i];
		if (player.intersects(spike) && !player.invincible) {
			player.die(); // Trigger player death
			player.invincible = true; // Set player to invincible
			LK.setTimeout(function () {
				// Reset invincibility after duration
				player.invincible = false;
			}, player.invincibilityDuration);
		}
	}
	// Check collectible collisions
	for (var i = 0; i < collectibles.length; i++) {
		var collectible = collectibles[i];
		if (!collectible.collected && player.intersects(collectible)) {
			if (collectible.collect()) {
				// Increase score
				LK.setScore(LK.getScore() + 10);
				scoreTxt.setText(LK.getScore());
			}
		}
	}
	// If we're not on ground and not already jumping, start falling
	if (!onGround && !player.isJumping) {
		player.isJumping = true;
	}
	// Check if player reached the end of the level
	if (player.x > levelEndX - 300) {
		// Level complete, generate new level
		currentLevel++;
		player.reset();
		generateNewLevel();
		// Show level complete animation
		var levelCompleteTxt = new Text2('LEVEL COMPLETE!', {
			size: 120,
			fill: 0xFFFFFF
		});
		levelCompleteTxt.anchor.set(0.5, 0.5);
		LK.gui.center.addChild(levelCompleteTxt);
		tween(levelCompleteTxt, {
			alpha: 0
		}, {
			duration: 1500,
			onFinish: function onFinish() {
				LK.gui.center.removeChild(levelCompleteTxt);
			}
		});
	}
}
// Camera follow player
function updateCamera() {
	// Make the camera follow the player horizontally
	cameraOffset = player.x - 500;
	// Apply camera offset to all elements
	for (var i = 0; i < platforms.length; i++) {
		platforms[i].x = platforms[i]._originalX - cameraOffset;
	}
	for (var i = 0; i < obstacles.length; i++) {
		obstacles[i].x = obstacles[i]._originalX - cameraOffset;
	}
	for (var i = 0; i < spikes.length; i++) {
		spikes[i].x = spikes[i]._originalX - cameraOffset;
	}
	for (var i = 0; i < collectibles.length; i++) {
		collectibles[i].x = collectibles[i]._originalX - cameraOffset;
	}
}
// Handler for tap/click events
game.down = function (x, y, obj) {
	if (!gameStarted) {
		gameStarted = true;
		instructionsTxt.visible = false;
		generateNewLevel();
		// Start playing the background music
		LK.playMusic('gameMusic');
	} else {
		player.jump();
	}
};
// Main game update function
game.update = function () {
	if (!gameStarted) {
		return;
	}
	// Update player
	player.update();
	// Check collisions
	checkCollisions();
	// Store original positions for camera offset calculations
	if (LK.ticks === 1) {
		for (var i = 0; i < platforms.length; i++) {
			platforms[i]._originalX = platforms[i].x;
		}
		for (var i = 0; i < obstacles.length; i++) {
			obstacles[i]._originalX = obstacles[i].x;
		}
		for (var i = 0; i < spikes.length; i++) {
			spikes[i]._originalX = spikes[i].x;
		}
		for (var i = 0; i < collectibles.length; i++) {
			collectibles[i]._originalX = collectibles[i].x;
		}
	}
	// Update camera
	// updateCamera(); // Uncomment to implement scrolling camera
};

===================================================================
--- original.js
+++ change.js
@@ -313,10 +313,10 @@
 	}
 	// Check obstacle collisions
 	for (var i = 0; i < obstacles.length; i++) {
 		var obstacle = obstacles[i];
-		if (player.intersects(obstacle)) {
-			player.velocity.x = -player.speed; // Push player back instead of dying
+		if (player.intersects(obstacle) && !player.invincible) {
+			player.die(); // Trigger player death
 			player.invincible = true; // Set player to invincible
 			LK.setTimeout(function () {
 				// Reset invincibility after duration
 				player.invincible = false;
@@ -325,10 +325,10 @@
 	}
 	// Check spike collisions
 	for (var i = 0; i < spikes.length; i++) {
 		var spike = spikes[i];
-		if (player.intersects(spike)) {
-			player.velocity.x = -player.speed; // Push player back instead of dying
+		if (player.intersects(spike) && !player.invincible) {
+			player.die(); // Trigger player death
 			player.invincible = true; // Set player to invincible
 			LK.setTimeout(function () {
 				// Reset invincibility after duration
 				player.invincible = false;