Beginning Android Games

Beginning Android Games, Second Edition by Robert Green, Mario Zechner
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JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. Beginning Android 4 Games Development offers everything you need to join the ranks of successful Android game developers. You'll start with game design fundamentals and programming basics and then progress toward creating your own basic game engine and playable game that works on Android 4.

This will give you everything you need to branch out and write your own Android games. The potential user base and the wide array of available high-performance devices makes Android an attractive target for aspiring game developers. Do you have an awesome idea for the next break-through mobile gaming title? All we want is a window with a single UI component that we can draw to, and from which we can receive input, as well as the ability to play back audio.

This covers all of our needs for implementing the game framework that we designed in Chapter 3 , and in a rather platform-agnostic way. By now, you should have a firm grasp on how to design a simple game from the ground up, how to structure a nice API for 2D game development, and which Android APIs will provide the functionality you need to implement your ideas. In Chapter 3 , we churned out a full design for Mr. Nom, consisting of the game mechanics, a simple background story, handcrafted graphical assets, and definitions for all the screens based on some paper cutouts. In Chapter 5 , we developed a full-fledged game-development framework that allows us to transfer our design screens easily to code. Nom was a great success. Due to its solid initial design and game framework, implementing Mr. Nom was a breeze for us.

Beginning Android Games - Mario Zechner - Google книги

Best of all, the game runs smoothly even on low-end devices. Of course, Mr.

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Nom is not a very complex or graphically intense game, so using the Canvas API for rendering proved to be a good idea. Chapter 7 demonstrated that OpenGL ES offers quite a lot of features to exploit for 2D graphics programming, such as easy rotation and scaling and the automatic stretching of your view frustum to the viewport. It also offers performance benefits over using the Canvas. As discussed in Chapter 3 , there are several very popular genres from which to choose when developing a game in the mobile space.

Beginning Android Games

For our next game, we decided to stick to the casual genre. As with Mr. We actually already worked in a 3D space when we defined our view frustum and the vertices of our sprites. In the latter case, the z coordinate of each vertex was simply set to 0 by default. I nstead of an orthographic projection, a perspective projection is used.

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Objects further away from the camera appear smaller. Transformations, such as rotations, translations, and scales, have more degrees of freedom in 3D.

Table of Contents

SECOND EDITION. Mario Zechner | Robert Green. Build Android smartphone and tablet game apps. Beginning. Android Games Beginning Android Games offers everything you need to join the ranks of successful Android game developers. You'll start with game design fundamentals and programming basics, and then progress towards creating your own basic game engine and playable game. You'll start with game.

Instead of just moving the vertices in the x—y plane, we can now move them around freely on all three axes. The order in which we render the triangles of our objects is now important.

Bibliographic Information

Objects further away from the camera must be overlapped by objects that are closer to the camera. Lighting is a vital part of any 3D game. Defining objects programmatically is cumbersome. I n Chapter 8 , we discussed object representation and collision detection. We are finally ready to create the last game for this book.

Beginning Android Games

While Java and the Dalvik VM are sufficient for a lot of game genres in terms of execution speed, there are times when you need a bit more power. This is especially true for physics simulations, complex 3D animation, collision detection, and so on.

The Android native development kit NDK lets us do exactly that. So, having read the previous 13 chapters, you now are imbued with the skill and knowledge required to build a great Android game. Making money by marketing and monetizing your game is a skill in itself, and there is a lot you need to learn to become successful at it—not just after your game is completed, but even before you start developing it.

The real moneymakers are often designed from the planning stage to become popular and to make money, on top of being well made. The last step in becoming an Android game developer is getting your game to your players.