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# Game development tutorials & projects

## Rotating graphics in 2d games: Using trigonometric functions part 2

In this second part of the series on trigonometric functions we will use the sine and cosine of an angle to rotate a point around a specific central point. We will then see that by drawing […]

## Calculating heading in 2d games: Using trigonometric functions part 1

This article takes a high-level but hopefully useful look and some common trigonometric functions with the aim of clarifying how they can be used as solutions in our game coding to create some cool movement […]

## Coding Android sprite sheet animations

This very simple tutorial will quickly bring your games to life by drawing the frames of animation from a row of frames drawn consecutively in the same file. We will see how to draw each […]

## Coding a Space Invaders game for Android

Welcome to the Space Invaders coding project for Android. In this game project, we will step through everything you need to know to have a fully playable Space Invaders clone running on your Android phone […]

## Coding a Breakout (Arkanoid) game for Android

In this project we will build a really simple but fun version of the classic Breakout game for Android. Often known as the “Brick breaker game” the history of the game is interesting and if […]

## Playing sound FX demo

In this mini-project we will play a sound on an Android device. We will see how we use the SoundPool class to load a sound from a file and then play it. This is another […]

## Building a simple game engine

In this mini-project we will draw a moving, controllable sprite to your Android device. We will draw Bob to the screen and when the screen is touched he will move to the right and when […]

## Drawing graphics demo

In this really simple mini-project we will really harness the power of classes and objects by using classes from the Android API which allow us to draw graphics on the screen. We will see how […]

## loops demo

In this quick mini-project we will put in to practice different types of loop like loops and loops. Prepare to go loopy. Actually it’s really simple.

To get started Create a new Android project and […]

## Checking for conditions and branching demo

In this quick mini-project we will practice how to test for conditions using Java in an Android game project. Condition testing is a basic staple of all programming including games. If you think it sounds […]

## Game variables demo

In this demo project we will put in to practice the concepts we learnt about it in part 1 and part 2 of the Java tutorials. We will declare and initialize a whole bunch of different […]

## Deploying your first Android game

If you have just completed the tutorial Building your first Android game or if you have just forgotten how to get your latest project from your PC and onto a device – here is how […]

## Building your first Android game

In this project we will use the Android Studio new project wizard to build an app we can actually run on a real Android device. It won’t do anything except print some text to the […]

## Java Game Coding Level 1

This course is for you if you are completely new to programming or the Java language. This course will quickly cover everything you need to know to be building Java games as soon as possible. This course […]

## Game variables

When we code a computer game, the first thing we need it to do is to ‘know’ what the current state of the game is. This might include the player’s score, how many enemy space ships there are, […]

## Changing the value of game variables

The main way to change our game’s variables using Java is using a concept called operators.Operators in Java are just like mathematical operators and many of them are the same symbol. So if you coped […]