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About OrenGL

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  1. Gal, I came to the US to pursue a career in the games industry, as you are interested in doing, but I did my computer science degree in Israel before coming. Other than getting good grades the most important asset in helping me get my first job was my game demo. At a game specific school you'll often write a few game related projects you can show off when seeking a job. However I still would recommend getting a traditional computer science degree, since I do believe that it prepares you better for solving new problems, which is a much more useful skill in the long run. On caveat is that it is not uncommon to see a graduate who does not know how to program. When someone hires you they want you to be effective. Make sure you you complete your degree feeling comfortable programming in C++ and can prove it. As far as schools go, try and find a school in a city that has a lot of developers. San Francisco, Seattle, Austin, LA. The more the better. These cities host large game related conferences (such as GDC, E3 or PAX) and many small ones too. It will also make it easier for you to find an internship. Good luck!
  2. Thanks Maze. I'm processing the math, which may take a while. I'll be sure to get back to you if I have questions :)
  3. There certainly is a huge variety of material on the subject, which is why I’m seeking help to point me to the right direction. I’ll go over the wikipedia article thanks! Calculus and Linear algebra don’t scare me, although it been a while since I’ve done any deep academic work, both have always been fun. Programming in C/C++ is second nature, I can get by in Python and C# and probably anything else if there was reason to. First I’d like to understand of the theory behind FEM and know what areas I would need to learn more deeply so that I could write a 2D solver. If I were to compare this to rigid body physics, I’d want to know that I needed to learn a bit about collision detection and response, integration methods, contact resolution, ext. At the very least I could write some pseudo code describing how an FEM solver works and then dig into the details of each part. You’d probably be better qualified to label the problems I’d like to solve. I can describe them with the features of the sample app I had in mind. For example: 1. A metal rod that could bend by user interaction and return to its original shape (completely or partially). 2. A ball that could inflate or deflate. 3. Being able to launch a metal ball at a metal wall and have the wall bend. 4. Displaying the stress of each element by a different color. 5. An elastic rope that could stretch if pulled. Thanks for your insight!
  4. Hi Everyone I'd like to learn more about FEM, in particular I'd like to write a little real-time 2D solver, perhaps a bending rod or some other deformable object. There is a lot of info out there on Google and plenty of books, but none seem geared towards video games (or real time visual simulation). Does anyone have a recommendation as to were to start? Regards, Oren
  5. OrenGL

    Collision Detection for 3D platformer

    The way I've seen collision for 3D plaformer characters done before is to use two spheres one on top of the other. The collision code is simpler (and faster). This also allows for shrinking the top sphere into the bottom one to support collision when the character crouches/balls-up/whatever.
  6. So at some point the program starts slowing down, but you can still debug it remotely? You should be able to take a profile snapshot when it starts out and compare it to when it slows down to hunt for clues. It will at least tell you where it is slowing down. Also another trick that works for me once in a while is to simply pause the app via Visual Studio. If you pause it 5 times (when it is slow) and it stops at the same place 4 times, you probably have a solid lead.
  7. My guess would be that you need to normalize the direction vector before you try get the Euler rotation from it.
  8. OrenGL

    Getting A Foot In

    If you're not that great on the technical or artistic side I would suggest trying to create a board game or a card game. A physical version that is! Let your friends/family/co-workers play it and get some feedback. I've worked with some designers on big budget games that still did this in their spare time.
  9. OrenGL

    Random puzzle spawns?

    Have you played puzzle quest?
  10. OrenGL

    Debugging C++

    Quote:Original post by glPetter3f Hi, the bug isn't some particular thing that doesn't work, everything becomes different, it is impossile to walk, all ennemies dissapear things become black and then the program crash or freeze. And eventhough some particular thing wouldn't work isn't it possible that the error is somewhere else in te code? I am wondering if there are any good debugging programs or anything like that? You're using visual studio 2003, that is a great tool for figuring out what is going on. When this happens, place a break point in an area you are familiar that is not working properly. For example if you are unable to walk, place a breakpoint in the part of code that makes your character walk. Investigate the state of things, you might not find the source of the problem immediately however you should be able to narrow down the list of possibilities. I'm assuming you are using version control? Since the game was running just fine for a while, you try binary searching for you change list in which the problem started. Check in what you have, and sync to an earlier version of your game. Test it, see if it happens and keep going until you find the problematic version. Then diff the changes and maybe you'll be able to eyeball the problem.
  11. OrenGL

    Working on Your Own Project

    I'm in the same situation. If you're working 14hr days now, I don't think it's possible to do anything out side of work. You're probably readying this post on a Sunday evening at work in that case anyway... But once you're back to 9hr days, what I find best is getting up an hour early and heading out to a coffee shop. For me it's like "going to my other office" which keeps it productive. Certainly go before work (and do the gym after work). YMMV, if you need a desktop to compile, you might want to just to planning or brain storming out of home.
  12. OrenGL

    Access Violation Error

    Would you mind posting the call stack?
  13. The thing I would like the most is to be able to select the window I'm looking at by just looking at it and not needing to alt-tab or mouse clicking it. This is something that I need especially when working with multiple applications and keyboard short cuts. - Oren
  14. OrenGL

    Access Violation Error

    Without looking at your code, the message: Access violation reading location 0x00000000. means that you are trying to dereference a null pointer. On the call stack you can usually go one frame up from where the program stopped to see the null variable.
  15. Navigation and real time combat would be the first IMO. From the list though it sounds like you can make this a non real time game if you prefer.
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