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  • Typical Applications of Linear System Solver in Game Developemnt

    - by craftsman.don
    I am going to write a custom solver for linear system. I would like to survey the typical problems involved the linear system solving in games. So that I can custom optimization on these problems based on the shape of the matrix. currently I am focus on these problems: B-Spline editing (I use a linear solve to resolve the C0, C1, C2 continuity) Constraint in Simulation (especially Position-Constraint, cloth) Both of them are Banded Matrix. I want to hear about some other applications of a linear system in games. Thank you.

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  • Developing an ELO like point system for a multiplayer gaming site

    - by Alejandro Piad
    I'm currently working on a gaming site where users will submit virtual players for different games, like Chess, Nash, Backgammon, Go, etc. The idea is that users don't compete themselves, but through their virtual players. There will be leagues, tournaments, and other competition formats. The question is which would be a good rating system for users in this environment. Take into account that every user may have many different virtual players playing in many different games. As a general guideline I would like to guarantee the following properties: Users who have a lot of mediocre players should not score higher than users with a few very good players. A user with a high rating should not be penalized if he adds a new bad player, until he has had enough time to improve his player. Users who don't play often should not score higher than users who play every day. Thanks in advance.

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  • How to Install Incompatible Android Apps from Google Play

    - by Chris Hoffman
    Some Android apps on Google Play claim to be incompatible with various devices. There’s a good chance that these apps will run fine on many of these devices – you can bypass this check with root access. Some apps won’t actually work after you install them, but many will. This also solves problems with games that will install but refuse to play – for example, Gameloft games with the “this device is incompatible” message. Hack Your Kindle for Easy Font Customization HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It

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  • How to decide how much to charge for development?

    - by rik
    So two other friends and I are a very small game dev studio. So far we haven't released a game but we have 2 games almost ready to launch. A bigger studio saw our work and now they want to work with us; they need people to develop mobile games for them (iOS, Android). They want us to set the price for the projects (can't tell the specifics we signed a NDA). They will give us all the assets (graphics/sound) so we only have to code. And because they only work with Unity3D we have to learn it. How do we decide how much to charge for the projects?

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  • How do I run my XBOX XNA game without a network connection?

    - by Hugh
    I need to demo my XBOX XNA game in college. The college doesn't allow this type of device to connect to the network. I deployed my game to the Xbox and it is sitting in the games list along with my other games. It runs fine with a network connection but when its offline it comes up with an error message saying its needs a connection to run the game. This makes no sense, the game is deployed on the Xbox memory, it must be some security policy or something! Is there any way around this? The demo is on monday!

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  • OpenGL: Filtering/antialising textures in a 2D game

    - by futlib
    I'm working on a 2D game using OpenGL 1.5 that uses rather large textures. I'm seeing aliasing effects and am wondering how to tackle those. I'm finding lots of material about antialiasing in 3D games, but I don't see how most of that applies to 2D games - e.g. antisoptric filtering seems to make no sense, FSAA doesn't sound like the best bet either. I suppose this means texture filtering is my best option? Right now I'm using bilinear filtering, I think: glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); From what I've read, I'd have to use mipmaps to use trilinear filtering, which would drive memory usage up, so I'd rather not. I know the final sizes of all the textures when they are loaded, so can't I somehow size them correctly at that point? (Using some form of texture filtering).

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  • How to Use a PS3 Controller as a Joystick for Your Windows PC

    - by Zainul Franciscus
    Do you find it hard to steer your mouse and hit the right keyboard key to play PC games? If you happen to have PS3 controllers, why not use them as Joysticks to play games? Image by AlphaCoders Before we begin, head over to MotionInJoy website to install the required drivers for Windows. The installer comes for both x86 (32-bit operating system) and x64 (64-bit operating system), so make sure you download the right installer for your system. If you are in doubt, just go to Start -> Control Panel –> System, to verify your system settings. HTG Explains: What Are Character Encodings and How Do They Differ?How To Make Disposable Sleeves for Your In-Ear MonitorsMacs Don’t Make You Creative! So Why Do Artists Really Love Apple?

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  • What are the fundamentals of game development?

    - by Matt
    Hi, I completely do not understand how a video game can be coded. I'm a beginner programmer and only have experience writing console applications that do math and what not. I do not understand how these logical processes can make images move on the screen (video games). Obviously if i jumped into a game development book or something like that I would understand but I am currently still getting a grasp of the fundamentals of programming in general. Could anyone give a simple explanation , coding wise, on the jump between making a computer do simple math to making a computer produce amazing graphical programs such as video games? Maybe there are some intro videos someone can point me to? I

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  • Should I get my masters in Game Design and Development or Computer Science?

    - by Christopher Stephenson
    I am a recent grad with a B.S. in IT while I didn't minor in Game Desgin and development, I took few classes in it. During my job search I have seen that most gaming companies seems to want someone that majored in C.S, mathematics, or physics. During my undergrad I never had to take physics nor did I learn much about data structures and algorithms. These seem to be really important when searching for a job in game development. So I am thinking about going back to school to get my masters in either CS, or GDD. The problem though is which one? I am really not looking to create my own games, I just want to work on games.

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  • Typical collision detection

    - by marcg11
    I would like to know how is the typical collision detection of most games. For example, you control a character which can move in 2 dimensional directions (except up and down). Now lets asume he walks into a wall, most of the games depending on character angle and the BB normal face will only stop the player in one axis, but will continue moving in the other along the wall axis. How is that done? I've only managed to stop the character from going through the wall by seting the position to the last one in the past frame if the new position colllisions the bounding box. But this just makes the player stop sharply and unrealisticly.

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  • Real life example of an agile game development process

    - by Ken
    I'm trying to learn about applying agile methodologies to game development. But seems to be impossible to find real life examples. What I am looking for are things like; Initial user stories Final user stories (complete, covering the entire game requirements) Acceptance criteria Task list Sprint backlogs (before and after each sprint) The agile books seem to have some limited examples, many of which seem contrived. In this era of open source software, there must be an documented example of the process applied to a game that is publicly available. I am asking specifically about games because they are so different from normal applications. Regular applications are built to all users to complete specific tasks in order to get stuff done(book a room, print a report etc). People play games for much less tangible reasons, so I think the process is significantly different. [it doesn't have to be scrum, it could be any process, just needs to be a real life example game and be reasonably complete]

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  • What sort of leaderboard for my game?

    - by Martin
    I recently published a word game for Windows Phone and I am really happy to have some players. The game is entirely offline and at the end of a game, the player's score is published to a server. I'm collecting the scores to build a leaderboard. Right now, I don't believe that the leaderboard I offer to my users is appropriate. I essentially accumulate the score of all the games of a user for a given day and that becomes their score. So if Player 1 plays 3 games and gets 100, 150 and 200 points, its score for the day is 450 points. I would like to get your ideas and opinion. How do I keep my game challenging and engaging with a good leaderboard? Should I continue accumulating the score for a day? Should I just keep the best score? Thanks!

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  • What can make a peaceful game successful?

    - by Miro
    Today, the most successful games are action games like FPS, RPG, MMORPG... I'd like to make peaceful game, but I don't know how to attract people. I can make good graphics, but that's not the main thing that makes people like game more that couple of minutes. The content is important. In game styles mentioned in beginning are main content fight, kill others, make from yourself predator/the most powerful creature/player in the game. But what content can attract people in peaceful game?

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  • What can make peaceful game successful?

    - by Miro
    Today, the most successful games are action games like FPS, RPG, MMORPG... I'd like to make peaceful game, but i don't know how to attract people. I can make good graphics, but that's not the main thing that makes people like game more that couple of minutes. The content is important. In game styles mentioned in beginning are main content fight, kill others, make from yourself predator/the most powerful creature/player in the game. But what content can attract people in peaceful game?

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  • Difference between ~/folder and /home/username/folder when creating a path in /etc/environment

    - by r0xx4nne
    I had an executable script on my ubuntu located on ~/project/ directory and I tried to add that path to /etc/environment . So , I edit the path to this PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:~/project/" . Then , I logout and login back , open the terminal as su and run the command to execute my script on that folder but the result is command not found. Then, I change the path in /etc/environment to PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/r0xx4nne/project/" and voila it works.Now i can run the executable script inside ~/project/ without fail under su command. My question is , what's the difference between ~/project and /home/r0xx4nne/project when it comes in case of creating a path in /etc/environment ? Why it happened to be like this? I am a newbie and I just want to know more . Thanks for any reply .

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  • What technology should I concentrate on for mobile development? [closed]

    - by Rob2211
    Firstly, I have many years experience with C# & .NET and some with Java. But, rather than committing to Java and developing native applications for Andriod I have been researching cross-platform deployment technologies. Currently, the most powerful cross-platform technology seems to be Flash, using Adobe AIR to package software as native applications. But given Adobe's announcement that it will discontinue support for the Flash Player on mobile devices it seems foolish (at this late stage) to invest in Flash and ActionScript as a developer. There has been speculation that Microsoft are also planning their exit strategy for Silverlight in favour of HTML5. So, my questions are; What is the most appropriate technology to invest in and learn in order to build cross-platform mobile applications / games while future proofing my skills as a developer? Is HTML5 mature enough to fill the 'Flash void' and be used to start building cross-platform, rich, interactive, networked mobile applications / games now? N.B. For HTML5 read (HTML5/CSS3/JavaScript)

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  • Should I be worried if I solve a lot of my problems the same way?

    - by Bryan Harrington
    I really enjoy programming games and puzzle creators/games. I find myself engineering a lot of these problems the same way and ultimately using similar technique to program them that I'm really comfortable with. To give you brief insight, I like to create graphs where nodes are represented with objects. These object hold data such as coordinates, positions and of course references to other neighboring objects. I'll place them all in a data structure and make decisions on this information in a "game loop". While this is a brief example, its not exact in all situations. It's just one way I feel really comfortable with. Is this bad?

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  • Why are 3D game scenarios so big? and.. are them shareable? [closed]

    - by Néstor Sánchez A.
    First, I apologize if this is not the forum for these type of questions. I was wondering... 1- Why 3D games (such as GTA IV) uses so much gigabytes of space? And my half-answar was... because of their huge 3D scenarios. But wait! are not these scenarios made with vector graphics and textures? then.. why are so big??? 2- If they are so big... would really these companies make a whole new scenario for every new game they develop? that would be very inefficient. Doesn't exist "shareable" scenarios that can be used in different games and expanded to no rebuild a whole one (like "New York" or "Liberty City")???. I mean.. the scenarios is almost the same in terms of vertices, just with improved textures.

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  • Making A Photo-Sharing App For Android In Eclipse [on hold]

    - by user3694394
    I've only just started developing mobile apps, which is something that I've been wanting to learn for a while now. I'm from an indie games studio, making PC games for around the last 3 years, and I finally decided to move into android app development. The only problem I'm having is that I don't know where to start. The project which I'm aiming to create will be something similar to Instagram, basically a photo-sharing app which allows users to take new photos, or pull them from their device, and add filters to them, before posting them. I have a rough idea of how I could go about doing this, but I need pointing towards any tutorials available for each specific step. So, here's my idea: Create a UI in eclipse (this wont be a problem for me, I should be able to do this fine through xml files) Setup a server-side database to store all user info and uploaded images (the images will need to be converted into byte arrays, and I have no idea how to do this through a database). My best idea would be to use a MySQL database to do this. Add user interactions (likes, favourites, reposts, etc.). This would, again, have to be stored in the database (or, at least, i think it would). Add the ability to take new photos using the phone's camera (I can probably do this anyway, using the Camera API). Add the ability to pull existing photos from the device (again, pretty simple to do). Add the ability to add filters to any photos (I had a look around, and there are some repos and resources which allow you to do this, but they're mainly for iOS development). Add facebook/twitter integration (possibly) to allow phots to be shared to other social networks. Create a news feed which shows users all of the latest photos from their friends, and allows them to post their own images to it. Give all registered users their own wall/page which has their latest posts/images displayed on it. Add the ability to allow users to follow other users, and display their followed users posts on their news feed. Yep. It's not going to be easy, and I don't even know if it's possible for me to do alone in Eclipse. However, this is the plan, and I'm going to do my best to learn everything I need to know to do this successfully. My actual question would be how should I start doing this- where do I begin learning how to do all of this? I've had a look at snapify, which can be edited via Parse, but I won't be spending hundreds of dollars (since I'm 15 and just don't have the available funds) on software. I have extensive knowledge of Java (again, I've been making games for around 3 years, mainly in Java), and various scripting languages. So, hopefully, this will be of some use here. Thanks in advance, Josh.

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  • Which purpose do armor points serve?

    - by Bane
    I have seen a mechanic which I call "armor points" in many games: Quake, Counter Strike, etc. Generally, while the player has these armor points, he takes less damage. However, they act in a similar fashion that health points do: you lose them by taking said damage. Why would you design such a feature? Is this just health 2.0, or am I missing something? To me, armor only makes sense in, for example, RPG games, where it is a constant that determines your resistance. But I don't see why would it need to be reduceable during combat.

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  • Force full-screen game to one monitor?

    - by Joachim Pileborg
    I have two monitors, one 1920x1200 and the other 1920x1080, and in 10.10 they were "separate". As in when I opened the display preferences they were shown as separate screens. Since installing (from scratch) 11.04 I instead have one giant 3840x1200 screen spread over the two monitors. Not a problem per se, except when I want to play full-screen games! When playing games I want them to be on the primary (1920x1200) monitor, but since the game only detects one screen I cant do that, even if I lower the resolution in-game. I have a nVidia GTS 250 card, using nvidia-current driver (version 270.41.06), even though "Additional Drivers" reports the driver is "activated but not currently in use". Is there a way to force the game to use only one of the monitors? Or make the game detect both monitors?

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  • What to use C++ for?

    - by futlib
    I really love C++. However, I'm struggling to find good uses for it lately. It is still the language to use if you're building huge systems with huge performance requirements. Like backend/infrastructure code at Google and Facebook, or high-end games. But I don't get to do stuff like that. It's also a good choice for code that runs close to the hardware. I'd like to do more low-level stuff, but it isn't part of my job, and I can't think of useful private projects that would involve that. Traditionally, C++ was also a good choice for rich client applications, but those are mostly written in C# and Obj-C lately - and aren't really that important anymore, with everything being a web app. Or a mobile app, which are mostly written in Obj-C and Java. And of course, web-based desktop and mobile apps are quite prominent, too. At my job, I work mostly on web applications, using Java, JavaScript and Groovy. Java is a good/popular choice for non-Google-scale backends, Groovy (or Python, or Ruby or Node.js) is pretty good for the server-side of web apps and JavaScript is the only real choice for the client-side. Even the little games I'm writing in my spare time are lately mostly written in JavaScript, so they can run in the browser. So what would you suggest I could use C++ for? I'm aware that this question is very similar. However, I don't want to learn C++, I was a professional C++ programmer for years. I want to keep doing it and find good new use cases for it. I know that I can use C++ for web apps/games. I could even compile C++ to JavaScript with Emscripten. However, it doesn't seem like a good idea. I'm looking for something C++ is really good at to stay competent in the language. If your answer is: Just give up and forget C++, you'll probably never need it again, so be it.

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  • 2D Game Dev Resources/Tutorials for Windows (Phone) 8 Development?

    - by Ilya Knaup
    I am really exited about the launch of windows 8, windows phone 8 so I decided to start learning how to develop games for them. I was even more exited when I found out that html, css, javascript can be used to develop apps for these platforms. I'm familiar with some standard html, css3 that i used to develop some websites, but I only know some VERY basics of javascript. I know things like HTML5 canvas and image sprites can be used to develop games, but I haven't found any tutorials that I understood good enough ;/ So I am asking you now. Can you suggest any good tutorials/resources (preferably video) that start from beginners level and go to advanced into game development with HTML5, CSS3 and JavaScript. It would be really good if such tutorials concentrated on game development for mobile phones (e.g. detecting when user touches the screen, using optimised images for hi res and standard displays, adopting to screen size etc) Oh.. and I forgot to mention that I am only interested in 2d game development.

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