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Using iAd to Display Banner Ad in Your App

So, you are about to start developing the next super app, you have everything planned and designed, but there’s still one last thing you haven’t made …

How To Make a Game Like Space Invaders with Sprite Kit Tutorial: Part 1

Learn how to make a game like Space Invaders!<p><i>Update Note 10/29/2014:</i> Check out the updated version of this tutorial using iOS 8 and Swift!<p>Space …

Quick Tip: Make Retro, Low-Fi Game Sound Effects With Bfxr

Bfxr is a handy tool for making sound effects in a style reminiscent of the NES era, like the noise made when Mario collects a coin. It can run in a …

Design Patterns on iOS using Swift – Part 1/2

<i>Update note</i>: This tutorial was updated for iOS 11, Xcode 9 and Swift 4 by Lorenzo Boaro. Original post by Tutorial team member Eli Ganem.<p><i>iOS Design</i> …

Essential Math for Games Programmers

As the quality of games has improved, more attention has been given to all aspects of a game to increase the feeling of reality during gameplay and …

touch-code

Let's Build a 3D Graphics Engine: Linear Transformations

Welcome to the second part of our 3D Graphics Engine series! This time we are going to be talking about <i>linear transformations</i>, which will let us …

How to Create a Custom 2D Physics Engine: Friction, Scene and Jump Table

In the first two tutorials in this series, I covered the topics of Impulse Resolution and Core Architecture. Now it's time to add on some of the …

Understanding Steering Behaviors: Collision Avoidance

Decent NPC navigation often requires the ability to avoid obstacles. This tutorial covers the <i>collision avoidance</i> steering behavior, which allows …

Marketing Your Indie Game: The Single Most Important Thing to Learn

Once upon a time, marketing was considered taboo and almost completely ignored by indie game developers. These days, most devs recognize its …

Trigonometry for Game Programming: Part 1/2

Learn Trigonometry for game programming!<p><i>This is a post by iOS Tutorial Team member Matthijs Hollemans, an experienced iOS developer and designer.</i> You …

Mathematics

Quick Tip: Avoid "Game & Watch" Gravity in Your Characters' Jumps

Ever seen the old Game & Watch games where characters were either on the ground or in the air, with no transition in between? That can be a cool …

How to Create a Custom 2D Physics Engine: The Basics and Impulse Resolution

There are many reasons you might want to create a custom physics engine: first, learning and honing your skills in mathematics, physics and …

25 iOS App Performance Tips & Tricks

Follow these tips to improve your app performance!<p><i>This is a post by iOS Tutorial Team Member Marcelo Fabri, an iOS developer working at Movile. Check</i> …

Google App Engine

How to Make an RPG

Learn how to make a RPG game for iOS!<p>For as long as I can remember, I’ve been in love with role-playing games. There’s something so magical about an …

iPad for iPhone Developers 101 in iOS 6: UISplitView Tutorial

Let's Display a List of Monsters in a Split View!<p><i>Update 3/7/2013</i>: Fully updated for iOS 6 (original post by Ray Wenderlich, update by Ellen …