/**** 
* Classes
****/ 
// Define a class for bullets
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.speedX) {
			self.x += self.speedX; // Update x position if horizontal speed is set
		}
		if (self.y < 0 || self.x < 0 || self.x > 2048) {
			self.destroy();
			return; // Exit early if bullet is destroyed
		}
	};
});
// 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.y += self.speed;
		if (self.y > 2732) {
			self.y = 0;
			self.x = Math.random() * 2048; // Always reset x position
		}
	};
});
// Define a class for the entity
var Entity = Container.expand(function () {
	var self = Container.call(this);
	var entityGraphics = self.attachAsset('entity', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.down = function (x, y, obj) {
			this.timer = LK.setTimeout(function () {
				this.destroy();
			}.bind(this), 5000);
		};
		self.up = function (x, y, obj) {
			LK.clearTimeout(this.timer);
		};
		if (this.intersects(game.mouse)) {
			this.border = 5;
			this.borderColor = 0xFFFFFF;
		} else {
			this.border = 0;
		}
	};
});
// Define a class for the ground
var Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Ground update logic
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define a class for the MainCharacter
var MainCharacter = Container.expand(function () {
	var self = Container.call(this);
	var mainCharacterGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// MainCharacter update logic with gravity and jumping
		self.y += self.speedY; // Apply gravity
		self.speedY += 1; // Gravity effect
		if (self.y > 2732 - self.height / 2) {
			// Check if on the ground
			self.y = 2732 - self.height / 2;
			self.speedY = 0;
			self.canJump = true;
		}
		if (game.isMouseDown && self.canJump) {
			self.speedY = -20; // Jump strength
			self.canJump = false;
		}
		// Ensure MainCharacter stays on top of Ground pieces
		for (var i = 0; i < ground.length; i++) {
			if (self.intersects(ground[i])) {
				self.y = ground[i].y - self.height / 2;
				break;
			}
		}
	};
});
// Define a class for the purple square
var PurpleSquare = Container.expand(function () {
	var self = Container.call(this);
	var squareGraphics = self.attachAsset('entity', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.down = function (x, y, obj) {
			// No action on down to leave background empty
		};
	};
});

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

/**** 
* Game Code
****/ 
// Initialize ground with random heights for a Terraria-like terrain
var ground = [];
for (var i = 0; i < 20; i++) {
	var height = Math.floor(Math.random() * 5) + 1; // Random height between 1 and 5
	for (var j = 0; j < height; j++) {
		var groundPiece = new Ground();
		groundPiece.x = i * 100;
		groundPiece.y = 2732 - j * 100;
		ground.push(groundPiece);
		game.addChild(groundPiece);
	}
}
// Initialize main character
var mainCharacter = game.addChild(new MainCharacter());
mainCharacter.x = 2048 / 2;
mainCharacter.y = ground[ground.length - 1].y - mainCharacter.height - 20;
// Initialize entities and collectibles
var entities = [];
var collectibles = [];
function spawnCollectible() {
	var collectible = new Entity();
	collectible.x = Math.random() * 2048;
	collectible.y = Math.random() * 2732;
	collectibles.push(collectible);
	game.addChild(collectible);
}
// Spawn a collectible every 5 seconds
LK.setInterval(spawnCollectible, 5000);
// Function to find the entity with the lowest y position
function getLowestEntity(entities) {
	return entities.reduce(function (lowest, entity) {
		return entity.y < lowest.y ? entity : lowest;
	}, entities[0]);
}
// Add event listener to the entity with the lowest y position
function addLowestEntityClickListener() {
	var lowestEntity = getLowestEntity(entities);
	if (lowestEntity) {
		lowestEntity.down = function (x, y, obj) {
			if (lowestEntity.x > 1024 && lowestEntity.y === getLowestEntity(entities).y) {
				// Check if the entity is in the right half of the screen and has the lowest y position
				mainCharacter.y -= 50; // Move character up by 50 units
			}
		};
	}
}
// Call the function to add the event listener
addLowestEntityClickListener();
// Adjust right entities to match the shape of the center entity
var rightOffsets = [{
	x: 0,
	y: -115
},
// Top
{
	x: 0,
	y: 115
},
// Bottom
{
	x: -115,
	y: 0
},
// Left
{
	x: 115,
	y: 0
} // Right
];
rightOffsets.forEach(function (offset) {
	var rightEntity = new Entity();
	rightEntity.x = 2048 - 165 + offset.x; // Adjust x position to move left by an additional 20
	rightEntity.y = 145 + offset.y + 20; // Adjust y position to increase by an additional 20
	entities.push(rightEntity);
	game.addChild(rightEntity);
});
// Initialize bullets
var bullets = [];
// Initialize enemies with spawning logic
var enemies = [];
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = 0;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Spawn an enemy every 3 seconds
LK.setInterval(spawnEnemy, 3000);
// Handle player movement
game.down = function (x, y, obj) {
	// Removed character movement to mouse click position
};
// Handle shooting
game.up = function (x, y, obj) {
	// Shoot bullet to the left
	var leftBullet = new Bullet();
	leftBullet.x = mainCharacter.x - mainCharacter.width / 2;
	leftBullet.y = mainCharacter.y;
	leftBullet.speedX = -10; // Set horizontal speed for left bullet
	bullets.push(leftBullet);
	game.addChild(leftBullet);
	// Shoot bullet to the right
	var rightBullet = new Bullet();
	rightBullet.x = mainCharacter.x + mainCharacter.width / 2;
	rightBullet.y = mainCharacter.y;
	rightBullet.speedX = 10; // Set horizontal speed for right bullet
	bullets.push(rightBullet);
	game.addChild(rightBullet);
};
// Game update loop
game.update = function () {
	// Update main character
	mainCharacter.update();
	// Update enemies
	for (var i = 0; i < enemies.length; i++) {
		enemies[i].update();
		if (mainCharacter.intersects(enemies[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			break; // Exit loop early if game over is triggered
		}
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		if (bullets[j].y < 0) {
			bullets[j].destroy();
			bullets.splice(j, 1);
			continue;
		}
		for (var k = enemies.length - 1; k >= 0; k--) {
			if (bullets[j] && bullets[j].intersects(enemies[k])) {
				bullets[j].destroy();
				bullets.splice(j, 1);
				enemies[k].destroy();
				enemies.splice(k, 1);
				break;
			}
		}
	}
	// Update collectibles
	for (var l = collectibles.length - 1; l >= 0; l--) {
		if (mainCharacter.intersects(collectibles[l])) {
			collectibles[l].destroy();
			collectibles.splice(l, 1);
			// Add logic for what happens when a collectible is collected
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -81,22 +81,21 @@
 		anchorY: 0.5
 	});
 	self.speed = 10;
 	self.update = function () {
-		// MainCharacter update logic
-		if (game.isMouseDown) {
-			var dx = game.mouse.x - self.x;
-			var dy = game.mouse.y - self.y;
-			var distanceSquared = dx * dx + dy * dy;
-			if (distanceSquared > self.speed * self.speed) {
-				var invDistance = self.speed / Math.sqrt(distanceSquared); // Combine calculations
-				self.x += dx * invDistance;
-				self.y += dy * invDistance;
-			} else {
-				self.x = game.mouse.x;
-				self.y = game.mouse.y;
-			}
+		// MainCharacter update logic with gravity and jumping
+		self.y += self.speedY; // Apply gravity
+		self.speedY += 1; // Gravity effect
+		if (self.y > 2732 - self.height / 2) {
+			// Check if on the ground
+			self.y = 2732 - self.height / 2;
+			self.speedY = 0;
+			self.canJump = true;
 		}
+		if (game.isMouseDown && self.canJump) {
+			self.speedY = -20; // Jump strength
+			self.canJump = false;
+		}
 		// Ensure MainCharacter stays on top of Ground pieces
 		for (var i = 0; i < ground.length; i++) {
 			if (self.intersects(ground[i])) {
 				self.y = ground[i].y - self.height / 2;
@@ -128,12 +127,13 @@
 
 /**** 
 * Game Code
 ****/ 
-// Initialize ground
+// Initialize ground with random heights for a Terraria-like terrain
 var ground = [];
 for (var i = 0; i < 20; i++) {
-	for (var j = 0; j < 5; j++) {
+	var height = Math.floor(Math.random() * 5) + 1; // Random height between 1 and 5
+	for (var j = 0; j < height; j++) {
 		var groundPiece = new Ground();
 		groundPiece.x = i * 100;
 		groundPiece.y = 2732 - j * 100;
 		ground.push(groundPiece);
@@ -143,10 +143,20 @@
 // Initialize main character
 var mainCharacter = game.addChild(new MainCharacter());
 mainCharacter.x = 2048 / 2;
 mainCharacter.y = ground[ground.length - 1].y - mainCharacter.height - 20;
-// Initialize entities
+// Initialize entities and collectibles
 var entities = [];
+var collectibles = [];
+function spawnCollectible() {
+	var collectible = new Entity();
+	collectible.x = Math.random() * 2048;
+	collectible.y = Math.random() * 2732;
+	collectibles.push(collectible);
+	game.addChild(collectible);
+}
+// Spawn a collectible every 5 seconds
+LK.setInterval(spawnCollectible, 5000);
 // Function to find the entity with the lowest y position
 function getLowestEntity(entities) {
 	return entities.reduce(function (lowest, entity) {
 		return entity.y < lowest.y ? entity : lowest;
@@ -195,10 +205,19 @@
 	game.addChild(rightEntity);
 });
 // Initialize bullets
 var bullets = [];
-// Initialize enemies
+// Initialize enemies with spawning logic
 var enemies = [];
+function spawnEnemy() {
+	var enemy = new Enemy();
+	enemy.x = Math.random() * 2048;
+	enemy.y = 0;
+	enemies.push(enemy);
+	game.addChild(enemy);
+}
+// Spawn an enemy every 3 seconds
+LK.setInterval(spawnEnemy, 3000);
 // Handle player movement
 game.down = function (x, y, obj) {
 	// Removed character movement to mouse click position
 };
@@ -249,5 +268,13 @@
 				break;
 			}
 		}
 	}
+	// Update collectibles
+	for (var l = collectibles.length - 1; l >= 0; l--) {
+		if (mainCharacter.intersects(collectibles[l])) {
+			collectibles[l].destroy();
+			collectibles.splice(l, 1);
+			// Add logic for what happens when a collectible is collected
+		}
+	}
 };
\ No newline at end of file