Upit | Learn about creating the game Tap Ball with gen AI

/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Ball = Container.expand(function () { var self = Container.call(this); var ballGraphics = self.attachAsset('ball', { anchorX: 0.5, anchorY: 0.5 }); // Physics properties self.velocityX = 0; self.velocityY = 0; self.gravity = 0.3; self.bounce = 0.85; self.speed = 1.0; self.radius = 60; // Initialize ball position and velocity self.x = 1024; // Center X self.y = 1366; // Center Y self.velocityX = (Math.random() - 0.5) * 8; self.velocityY = 0; self.update = function () { // Ball is completely stationary - no movement at all }; self.onTap = function () { // Ball doesn't move - no velocity changes // Increase score LK.setScore(LK.getScore() + 1); // Play tap sound LK.getSound('tap').play(); // Flash effect LK.effects.flashObject(self, 0xffffff, 200); }; self.down = function (x, y, obj) { self.onTap(); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1a1a2e }); /**** * Game Code ****/ // Create score display var scoreTxt = new Text2('0', { size: 100, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); // Create ball var ball = game.addChild(new Ball()); // Update score display game.update = function () { scoreTxt.setText(LK.getScore().toString()); };

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--- original.js
+++ change.js
@@ -24,44 +24,14 @@
 	self.y = 1366; // Center Y
 	self.velocityX = (Math.random() - 0.5) * 8;
 	self.velocityY = 0;
 	self.update = function () {
-		// No gravity - ball doesn't fall
-		// self.velocityY += self.gravity;
-		// Update position
-		self.x += self.velocityX * self.speed;
-		self.y += self.velocityY * self.speed;
-		// Bounce off left and right walls
-		if (self.x - self.radius <= 0) {
-			self.x = self.radius;
-			self.velocityX = -self.velocityX * self.bounce;
-			LK.getSound('bounce').play();
-		}
-		if (self.x + self.radius >= 2048) {
-			self.x = 2048 - self.radius;
-			self.velocityX = -self.velocityX * self.bounce;
-			LK.getSound('bounce').play();
-		}
-		// Bounce off top wall
-		if (self.y - self.radius <= 0) {
-			self.y = self.radius;
-			self.velocityY = -self.velocityY * self.bounce;
-			LK.getSound('bounce').play();
-		}
-		// Check if ball fell off bottom
-		if (self.y > 2732 + self.radius) {
-			LK.showGameOver();
-		}
+		// Ball is completely stationary - no movement at all
 	};
 	self.onTap = function () {
-		// Don't redirect ball upward - no jumping
-		// self.velocityY = -3;
-		// Add slight horizontal randomness
-		self.velocityX += (Math.random() - 0.5) * 3;
+		// Ball doesn't move - no velocity changes
 		// Increase score
 		LK.setScore(LK.getScore() + 1);
-		// Increase speed slightly
-		self.speed += 0.02;
 		// Play tap sound
 		LK.getSound('tap').play();
 		// Flash effect
 		LK.effects.flashObject(self, 0xffffff, 200);

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