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      GameDev.net and CRC Press have teamed up to bring a free ebook of content curated from top titles published by CRC Press. The freebook, Practices of Game Design & Indie Game Marketing, includes chapters from The Art of Game Design: A Book of Lenses, A Practical Guide to Indie Game Marketing, and An Architectural Approach to Level Design. The GameDev.net FreeBook is relevant to game designers, developers, and those interested in learning more about the challenges in game development. We know game development can be a tough discipline and business, so we picked several chapters from CRC Press titles that we thought would be of interest to you, the GameDev.net audience, in your journey to design, develop, and market your next game. The free ebook is available through CRC Press by clicking here. The Curated Books The Art of Game Design: A Book of Lenses, Second Edition, by Jesse Schell Presents 100+ sets of questions, or different lenses, for viewing a game’s design, encompassing diverse fields such as psychology, architecture, music, film, software engineering, theme park design, mathematics, anthropology, and more. Written by one of the world's top game designers, this book describes the deepest and most fundamental principles of game design, demonstrating how tactics used in board, card, and athletic games also work in video games. It provides practical instruction on creating world-class games that will be played again and again. View it here. A Practical Guide to Indie Game Marketing, by Joel Dreskin Marketing is an essential but too frequently overlooked or minimized component of the release plan for indie games. A Practical Guide to Indie Game Marketing provides you with the tools needed to build visibility and sell your indie games. With special focus on those developers with small budgets and limited staff and resources, this book is packed with tangible recommendations and techniques that you can put to use immediately. As a seasoned professional of the indie game arena, author Joel Dreskin gives you insight into practical, real-world experiences of marketing numerous successful games and also provides stories of the failures. View it here. An Architectural Approach to Level Design This is one of the first books to integrate architectural and spatial design theory with the field of level design. The book presents architectural techniques and theories for level designers to use in their own work. It connects architecture and level design in different ways that address the practical elements of how designers construct space and the experiential elements of how and why humans interact with this space. Throughout the text, readers learn skills for spatial layout, evoking emotion through gamespaces, and creating better levels through architectural theory. View it here. Learn more and download the ebook by clicking here. Did you know? GameDev.net and CRC Press also recently teamed up to bring GDNet+ Members up to a 20% discount on all CRC Press books. Learn more about this and other benefits here.
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Events help

2 posts in this topic

I have been working on a simple space shoot em up and I have been having some trouble with the movement of my ship. It moves fine when you use the directional keys except that when your first hit them the ship jumps then begins moving fluidly. Another question: whenever I have a direction key presssed down and then hit any other keys, then my ship ceases movement and no longer picks up the key being pressed. I would greatly appreciate help and thanks in advance.

p.s. If you need more information don't be afraid to ask

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It sounds like a symptom of handling repeats instead of down/up.

Think of a word processor. If you hold down a letter, it starts repeating after a certain delay, and then repeats at a different rate until you let go. If you press a second key while holding the first, it stops repeating the first letter. Most desktop operating systems assume that the majority of apps will use the keyboard for text entry, so this is the default behavior. This sounds like the problem you're experiencing.

Here's a basic solution for games:[list]
[*]Make a HashSet<Keys> // assuming Winforms. Change to whatever enum you're using if necessary.
[*]When you get a keydown event, add that key to the hashset.
[*]When you get a keyup event, remove that key from the hashset.
[*]Use a game loop to constantly check the hashset.Contains(Keys.Whatever) and perform your processing there. For basic Winforms apps, the "game loop" can be something simple like a Timer firing at a certain rate.

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