Upit | Learn about creating the game Present Blitz with gen AI

===================================================================
--- original.js
+++ change.js
@@ -1,24 +1,14 @@
-var SpecialItem = Container.expand(function (level) {
-	var self = Container.call(this);
-	var specialItemGraphics = self.createAsset('specialItem' + level, 'Special Item Graphics', .5, .5);
-	var sizeVariance = 0.5 + (level - 3) * 0.05;
-	specialItemGraphics.scale.x = sizeVariance;
-	specialItemGraphics.scale.y = sizeVariance;
-	self.speed = 3 + (level - 3) * 0.2;
-	self.move = function () {
-		self.y += self.speed;
-	};
-});
 var Present = Container.expand(function () {
 	var self = Container.call(this);
-	var presentGraphics = self.createAsset('present', 'Present Graphics', .5, .5);
-	var sizeVariance = 0.5 + Math.random() * 0.5;
-	presentGraphics.scale.x = sizeVariance;
-	presentGraphics.scale.y = sizeVariance;
-	self.speed = Math.random() * 2 + 1;
+	var presentGraphics = self.createAsset('present', 'Present Graphics', 0.5, 0.5);
+	self.vx = Math.random() * 4 - 2;
+	self.vy = Math.random() * 4 - 2;
 	self.move = function () {
-		self.y += self.speed;
+		self.x += self.vx;
+		self.y += self.vy;
+		if (self.x < 50 || self.x > 1992) self.vx *= -1;
+		if (self.y < 300 || self.y > 2300) self.vy *= -1;
 	};
 });
 var LevelManager = Container.expand(function () {
 	var self = Container.call(this);
@@ -59,8 +49,16 @@
 	self.x = 2048 / 2;
 	self.y = 3200;
 });
 var Game = Container.expand(function () {
+	var present = new Present();
+	present.x = mainContainer.x + mainContainer.width / 2;
+	present.y = mainContainer.y + mainContainer.height / 2;
+	self.addChild(present);
+	LK.on('tick', function () {
+		present.move();
+		for (var i = 0; i < snowflakes.length; i++) {}
+	});
 	var self = Container.call(this);
 	var mainContainer = new MainContainer();
 	self.addChild(mainContainer);
 	var santaSack = new SantaSack();
@@ -86,25 +84,13 @@
 				}
 			}
 		}
 		if (LK.ticks % (60 - self.levelManager.currentLevel) == 0 && self.levelManager.currentLevel <= self.levelManager.maxLevel) {
-			var newItem;
-			if (self.levelManager.currentLevel <= 2) {
-				var itemType = Math.floor(Math.random() * 2);
-				if (itemType === 0) {
-					newItem = new Snowflake();
-				} else if (itemType === 1) {
-					newItem = new Present();
-				}
-			} else if (self.levelManager.currentLevel % 2 === 1 && self.levelManager.currentLevel <= 16) {
-				newItem = new SpecialItem(self.levelManager.currentLevel);
-			} else {
-				newItem = new Snowflake();
-			}
-			newItem.alpha = Math.random() * 0.5 + 0.5;
-			newItem.x = Math.random() * 2048;
-			newItem.y = 0;
-			snowflakes.push(newItem);
-			self.addChild(newItem);
+			var newSnowflake = new Snowflake();
+			newSnowflake.alpha = Math.random() * 0.5 + 0.5;
+			newSnowflake.x = Math.random() * 2048;
+			newSnowflake.y = 0;
+			snowflakes.push(newSnowflake);
+			self.addChild(newSnowflake);
 		}
 	});
 });
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