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  • Should I use procedural animation?

    - by user712092
    I have started to make a fantasy 3d fps swordplay game and I want to add animations. I don't want to animate everything by hand because it would take a lot of time, so I decided to use procedural animation. I would certainly use IK (starting with simple reaching an object with hand ...). I also assume procedural generation of animations will make less animations to do by hand (I can blend animations ...). I want also to have a planner for animation which would simplify complex animations; those which can be split to a sequence - run and then jump, jump and then roll - or which are separable - legs running and torso swinging with sword -. I want for example a character to chop a head of a big troll. If troll crouches character would just chop his head off, if it is standing he would climb on a troll. I know that I would have to describe the state ("troll is low", "troll is high", "chop troll head" ..) which would imply what regions animation will be in (if there is a gap between them character would jump), which would imply what places character can have some of legs and hands or would choose an predefined animation. My main goal is simplicity of coding, but I want my game to be looking cool also. Is it worthy to use procedural animation or does it make more troubles that it solves? (there can be lot of twiddling ...) I am using Blender Game Engine (therefore Python for scripting, and Bullet Physics).

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  • Organising data access for dependency injection

    - by IanAWP
    In our company we have a relatively long history of database backed applications, but have only just begun experimenting with dependency injection. I am looking for advice about how to convert our existing data access pattern into one more suited for dependency injection. Some specific questions: Do you create one access object per table (Given that a table represents an entity collection)? One interface per table? All of these would need the low level Data Access object to be injected, right? What about if there are dozens of tables, wouldn't that make the composition root into a nightmare? Would you instead have a single interface that defines things like GetCustomer(), GetOrder(), etc? If I took the example of EntityFramework, then I would have one Container that exposes an object for each table, but that container doesn't conform to any interface itself, so doesn't seem like it's compatible with DI. What we do now, in case it helps: The way we normally manage data access is through a generic data layer which exposes CRUD/Transaction capabilities and has provider specific subclasses which handle the creation of IDbConnection, IDbCommand, etc. Actual table access uses Table classes that perform the CRUD operations associated with a particular table and accept/return domain objects that the rest of the system deals with. These table classes expose only static methods, and utilise a static DataAccess singleton instantiated from a config file.

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  • Why You never see a Sonic Screwdriver in Action Movies [Video]

    - by Asian Angel
    This video takes a humorous look at why you never see a sonic screwdriver in all those action movies. After all, having one would just ruin all of the ‘fun’ for everyone! Note: Video contains some language that may be considered inappropriate. Sonic Screwdriver [via Geeks are Sexy] How to See What Web Sites Your Computer is Secretly Connecting To HTG Explains: When Do You Need to Update Your Drivers? How to Make the Kindle Fire Silk Browser *Actually* Fast!

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  • Make Your Own Paper-Craft Enigma Machine [DIY Project]

    - by Asian Angel
    If you love tinkering around with ciphers and want a fun DIY project for the upcoming weekend, then we have just the thing for you. Using common household items you can construct your own personal Enigma machine that will be completely compatible with all the settings of a real Enigma machine (models I, M1, M2 and M3). Visit the second link below for the step-by-step instructions and enjoy putting together this awesome DIY project! PDF Templates for the Enigma Machine Note: This is a direct link for the PDF file itself and the templates are sized for printing on 2 A4 sheets of paper. Enigma/Paper Enigma Instruction Homepage [via BoingBoing] 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 HTG Explains: Learn How Websites Are Tracking You Online

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  • Procedural terrains in 3D: what has been done ? Are there common algo and/or theories about it ?

    - by jokoon
    Besides programming, modeling an environment takes a great deal of time. I don't know about the work time involved, for example, in a WoW dungeon level, or other beautiful city-like, future environment, jungles, fantasy, etc, but this kind of work is made from scratch by artists. What are the techniques involved in the TorchLight level randomizer, and does other titles have similarities with this ? Is there a family name for such techniques ?

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  • Fair dice over network w/o trusted 3rd party

    - by Kay
    Though it should be a pretty basic problem, I did not find a solution for it: How to play dice over a network without a trusted third party? The M players shall roll N dice, one player after another. No player may "cheat", i.e. change the outcome to his advantage, or "look into the future" before the next roll. Is that possible? I guess the solution would be something like public key crypto, where each player turns in an encrypted message. After all messages were collected you exchange the keys to decode the messages. Then the sha1(joined string of all decrypted messages) mod 6 + 1 is used to determine the die. The major problem I have: since the message [c/s]hould be anything, I don't know how to prevent tampering with the private keys. Esp. the last player to turn in his key could easily cheat (I guess). The game should even stay fair, if all players "conspire" against one player.

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  • Can't access any functions after chown command.

    - by explorex
    I am not being to access any functions in my desktop and I don't have an OS besides Ubuntu and I am new to Ubuntu. I think I rebooted my computer thinking that Google Chrome crashed. I opened Google Chrome but it showed opening message but never opened so I restarted my computer. and when my system was loading (I was playing with keyboard dont know what I typed) and when by Ubuntu loaded, I was unable to access anything some of characteristics are listed below: I cannot hear any sound I cannot access wired ethernet connection on the right corner where I usually enable to access internet and I have no internet. There is no local apache server either. when ever I try to start apacer I get setuid must be root or something. When I type sudo then I get message setuid must be root. I cannot access orther external storage devices like pendrive and portable hard drive and cannot mount my other drives with FAT32 filesystem. When I try to start my apache webserver with out typing sudo then I get message cannnot open socket or something like it. I remember also doing command chown -R www-data / earlier and got error message I cannot shutdown my computer, it only logs off

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  • Visit the Museum of Endangered Sounds for a Bit of Nostalgic Sound-Based Fun

    - by Asian Angel
    Are you ready for a trip down memory lane? Then you will definitely want to visit the Museum of Endangered Sounds where you can have fun listening to the classic sounds of yesteryear! Enjoy listening to the sound of dial-up, the login sound of Windows 95, that classic Nokia ringtone, and more at the Museum. Click on a picture to play the sound, then click on the picture again to stop it. The sounds will continue to play until you click on the chosen picture… Museum of Endangered Sounds [via Neatorama] Browse on over to another of our ETC posts for more nostalgic sound fun: 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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  • Games for the Brain [Brain Teasers Game Site]

    - by Asian Angel
    Are you looking for a great collection of fun games to play at work or home? Then the ‘Games for the Brain’ website is definitely worth bookmarking in your favorite browser! This terrific collection of brain teasers is the perfect way to relax, have fun, and each one only take a few minutes to complete (if you are pressed for time). Games for the Brain Game Homepage [via StumbleUpon] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • Access a mounted Windows share from the command line

    - by Bryan
    Hello All, I use the "Connect to Server..." option under the "Places" menu to connect to a Windows share in my work environment. When I do so, I can access the Windows share via Nautilus, but I can't figure out how to access the share from the command line without using smbclient. For example, the share isn't mounted under /mnt or /media. Is it possible to access the mounted Windows share from the command line without using smbclient?

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  • Give write access to USB and Serial devices automatically

    - by Saeid87
    I am working with some USB and Serial micro-controllers. Everytime I plug a device I have to do the following command to give it write access, and also my password: sudo chmod 666 /dev/ttyUSB0 Can I set my Ubuntu to automatically give write access to pluged in devices? If not, how can I make a batch file that I can easily give the access to port I want for example if I run the following command it does the job: giveaccess -usb0

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  • Medical Devices which supports Direct access through Bluetooth Low Energy [on hold]

    - by Suganthan
    I have went through this link and came to know that we can directly interact with BLE devices to read and write data, so I just want to know some medical device which supports direct access to third-party application (we can directly access the data from the medical device data). Is their any devices which supports direct access to the data Note: I already went through medical devices like Withings and Fitbit

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  • iwconfig usage for WEP access point?

    - by johan elmander
    I would like to use my wifi doggle in my pc (ubuntu 12.04). I am able to connect to my access point through the GUI. I would like to do the same in the terminal. My access point uses WEP. So I typed the following commands iwconfig wlan0 mode managed key 6d6f6e6579 iwconfig wlan0 essid "AccessPoint" dhclient wlan0 after typing dhclient wlan0 it waits like 1-2 min then outputs nothing and cannot connect to the Access Point. iwconfig output: wlan0 IEEE 802.11bgn ESSID:"AccessPoint" Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry long timit:7 RTS thr=2347 B Fragment thr:off Encryption key:6D6F-6E65-79 Power Management:off I would appreciate any suggestion

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  • Having troubles with LibNoise.XNA and generating tileable maps

    - by Jon
    Following up on my previous post, I found a wonderful port of LibNoise for XNA. I've been working with it for about 8 hours straight and I'm tearing my hair out - I just can not get maps to tile, I can't figure out how to do this. Here's my attempt: Perlin perlin = new Perlin(1.2, 1.95, 0.56, 12, 2353, QualityMode.Medium); RiggedMultifractal rigged = new RiggedMultifractal(); Add add = new Add(perlin, rigged); // Initialize the noise map int mapSize = 64; this.m_noiseMap = new Noise2D(mapSize, perlin); //this.m_noiseMap.GeneratePlanar(0, 1, -1, 1); // Generate the textures this.m_noiseMap.GeneratePlanar(-1,1,-1,1); this.m_textures[0] = this.m_noiseMap.GetTexture(this.graphics.GraphicsDevice, Gradient.Grayscale); this.m_noiseMap.GeneratePlanar(mapSize, mapSize * 2, mapSize, mapSize * 2); this.m_textures[1] = this.m_noiseMap.GetTexture(this.graphics.GraphicsDevice, Gradient.Grayscale); this.m_noiseMap.GeneratePlanar(-1, 1, -1, 1); this.m_textures[2] = this.m_noiseMap.GetTexture(this.graphics.GraphicsDevice, Gradient.Grayscale); The first and third ones generate fine, they create a perlin noise map - however the middle one, which I wanted to be a continuation of the first (As per my original post), is just a bunch of static. How exactly do I get this to generate maps that connect to each other, by entering in the mapsize * tile, using the same seed, settings, etc.?

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  • Recent Ubuntu update prevents MySQL root access

    - by Rhys
    I recently updated my Ubuntu (10.04 LTS) server (apt-get update, apt-get upgrade), and everything works fine, apart from the root access to my MySQL database. phpMyAdmin, CakePHP, and essentially all connections return similar access errors. For example, PMA returns 'Connection for controluser as defined in your configuration failed.' I have tried to find similar examples of this instance, but cannot find assistance in what configuration I should be changing to restore root log in access. The same issue has occurred on two servers. One has additional users so I could get around it, but the other is a new development server with only root MySQL access, so I am stuck on how to resolve this.

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  • Why can't I open my Access application in design mode?

    - by mmyers
    I have been given an Access 2007 application (mainly VB code) that I need to modify. It has been locked down for production, so the toolbars and so forth are not visible. However, it is a .mdb file, not .mde, so in theory it should be possible to get into design mode by holding Shift while opening it. But that method has only worked a total of three times out of the (probably) 60 or 70 times I've tried. I realize now that I should have enabled the toolbars while I had it open, but unfortunately hindsight doesn't get me anywhere now. Does anyone know what might be causing the problem? Is it my own fault, or the application's, or Access's?

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  • Motion Sickness – What is It? [Video]

    - by Asian Angel
    Experiencing motion sickness is unpleasant and frustrating, but have you ever wondered what causes you to feel it? This video from AsapSCIENCE explains what causes you to feel motion sickness and shows some ‘events’ you might avoid that can trigger it… Motion Sickness – What is it? [via Neatorama] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • How do history generation algorithms work?

    - by Bane
    I heard of the game Dwarf Fortress, but only now one of the people I follow on Youtube made a commentary on it... I was more than surprised when I noticed how Dwarf Fortress actually generates a history for the world! Now, how do these algorithms work? What do they usually take as input, except the length of the simulation? How specific can they be? And more importantly; can they be made in Javascript, or is Javascript too slow? (I guess this depends on the depth of the simulation, but take Dwarf Fortress as an example.)

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  • Hash Algorithm Randomness Visualization

    - by clstroud
    I'm curious if anyone here has any idea how the images were generated as shown in this response: Which hashing algorithm is best for uniqueness and speed? Ian posted a very well-received response but I can't seem to understand how he went about making the images. I hate to make a new question dedicated to this, but I can't find any means to ask him more directly. On the other hand, perhaps someone has an alternative perspective. The best I can personally come up with would be to have it almost like a bar graph, which would illustrate how evenly the buckets of the hash table are being generated. I have a working Cocoa program that does this, but it can't generate anything like what he showed there. So the question is two fold I suppose: A) How does one truly interpret the data he shows? Is it more than "less whitespace = better"? B) How does one generate such an image based on some set of inputs, a hash, and an index? Perhaps I'm misunderstanding entirely, but I really would like to know more about this particular visualization technique. Or maybe I'm mis-applying this to hash tables rather than just hashes in general, but in that case I don't know how it would be "bounded" for the image.

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