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• Strange javascript error when using Kongregates API

  - by Phil

  In the hopes of finding a fellow unity3d developer also aiming for the Kongregate contest.. I've implemented the Kongregate API and can see that the game receives a call with my username and presents it ingame. I'm using Application.ExternalCall("kongregate.stats.submit",type,amount); where type is a string "Best Score" and amount is an int (1000 or something). This is the error I'm getting: You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround. callASFunction:function(a,b){if(FABrid...tion, can be used as a workaround."); I'm wondering, has anyone else had this error or am I somehow doing something stupid? Thanks!

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• What collision detection approach for top down car game?

  - by nathan

  I have a quite advanced top down car game and i use masks to detect collisions. I have the actual designed track (what the player see) with fancy graphics etc. and two other pictures i use as mask for my detection collisions. Each mask has only two colors, white and black and i check each frame if a pixel of the car collide with a black pixel of the masks. This approach works of course but it's not really flexible. Whenever i want to change the look of a track, i have to redraw the mask and it's a real pain. What is the general approach for this kind of game? How can i improve the flexibility of such a mask based approach?

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• Appropriate level of granularity for component-based architecture

  - by Jon Purdy

  I'm working on a game with a component-based architecture. An Entity owns a set of Component instances, each of which has a set of Slot instances with which to store, send, and receive values. Factory functions such as Player produce entities with the required components and slot connections. I'm trying to determine the best level of granularity for components. For example, right now Position, Velocity, and Acceleration are all separate components, connected in series. Velocity and Acceleration could easily be rewritten into a uniform Delta component, or Position, Velocity, and Acceleration could be combined alongside such components as Friction and Gravity into a monolithic Physics component. Should a component have the smallest responsibility possible (at the cost of lots of interconnectivity) or should related components be combined into monolithic ones (at the cost of flexibility)? I'm leaning toward the former, but I could use a second opinion.

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• Unable to install VMWare Workstation v8

  - by pst007x

  Installing VMware 8.0.2 64bit Ubuntu 12.04LTS 64bit BETA My Kernel version is: 3.2.0-20-generic pst007x@pst007x-Aspire-5741:~$ sudo sh VMware-Workstation-Full-8.0.2- 591240.x86_64.bundle Installs ok When I launch I am asked to install modules which are compiled and loaded into the running kernel. A window opens VMware Kernel Module Updater This fails on Virtual Network Device ERROR LOG. UPDATE: PATCH. When I try to add patch, following error: pst007x@pst007x-Aspire-5741:~$ sudo sh patch-modules_3.2.0.sh [sudo] password for pst007x: patch-modules_3.2.0.sh: 27: [: workstation8.0.2: unexpected operator patch-modules_3.2.0.sh: 28: [: workstation8.0.2: unexpected operator Sorry, this script is only for VMWare WorkStation 8.0.2 or VMWare Player 4.0.2. Exiting pst007x@pst007x-Aspire-5741:~$ I have fully un-installed, and re-installed. I am installing the correct version. Probably a problem with the patch. VMware installs perfectly on Ubuntu 11.10 This is how I uninstalled.

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• Align tetrahedrons

  - by thedeadlybutter

  I'm currently generating tetrahedron meshes in Unity When a player clicks the side of a mesh, a new one spawns aligned with it, like this. I'm not sure how nor can I find any information on implementing a tetra hedron grid. I tried playing around with the vertices until I realized I need to adjust position & rotation. Any ideas? EDIT: To be clear, the second image was manually placed objects in the Unity Editor. I'm looking to make an algorithm that places the meshes correctly.

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• The Best Articles for Playing, Customizing, and Organizing Your Media

  - by Lori Kaufman

  Computers today are used for much more than generating documents, writing and receiving email, and surfing the web. We also use them to listen to music, watch movies and TV shows, and to transfer media to and from mobile devices. Below are links to many articles we have published on various media topics, such as streaming media, managing and organizing your media, converting media formats, obtaining album art, preparing media for transfer to mobile devices, and some general information about working with audio and video. You’ll also find links to articles about specific media tools, such as Audacity, XBMC, Windows Media Player, VLC, and iTunes. How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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• How can I selectively update XNA GameComponents?

  - by Bill

  I have a small 2D game I'm working on in XNA. So far, I have a player-controlled ship that operates on vector thrust and is terribly fun to spin around in circles. I've implemented this as a DrawableGameComponent and registered it with the game using game.Components.Add(this) in the Ship object constructor. How can I implement features like pausing and a menu system with my current implementation? Is it possible to set certain GameComponents to not update? Is this something for which I should even be using a DrawableGameComponent? If not, what are more appropriate uses for this?

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• Which data structure you will use to for a witness list?

  - by mateen

  I'm making a game where the plot is a bank robbery. Lots of people witness that robbery. The game will load a list of suspects, while the players (witnesses) will have to identify the suspects of this robbery. The game should load a list of suspects to identify the one as quickly as possible. Admin can add/remove suspects in the lists and two or more lists of suspects can also be merged into one (to show it to the player). The question is which data structure will be suitable to develop the lists?

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• How do I fix "malformed line" errors in sources.list?

  - by david

  I had problems with my movie player. The sound was fine but the picture seemed to hesitate or stick or pause every few seconds so I was looking for some help on how to do this. I tried to install a command in the terminal and got this message: E:Malformed line 68 in source list /etc/apt/sources.list (dist parse) Can someone tell me how to fix this problem. I cannot open the software center or the update manager. The only other option I can think of is to wipe everything out and do a clean install. Thank you.

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• How do I install third-party rhythmbox plugins?

  - by fossfreedom

  Now that the dust has settled and Rhythmbox has become (again) the default music-media player in 12.04, I'm interested in extending its functionality. For example, the default lyric plugin does not work for me and there doesn't appear to be an sound-equalizer by default. Having done a search, I came across the Gnome-website that lists a number of third-party plugins, some-of which I wish to install which can resolve the above. However, there doesn't appear to be .deb packages or a repository containing these plugins. Instead there are links to source-code websites such as GitHub and others. So, I'm confused - I don't know which plugins works in 12.04 Rhythmbox and I'm not sure how to install these. Help please?

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• Asked to make a 2d platformer [on hold]

  - by Fendorio

  I've been tasked with creating a simple 2D platformer top be put on a webpage. The game is pretty much a simple Super Mario type game. I've been playing around with C# and C++ now for a couple years, so I'm aware that Unity offers a route to making a web game but for such a simplistic project i'm afraid that using unity would be overkill... i.e. slow, nobody wants to install the web player for a game with < 5 mins playtime. Html5 canvas/JS seems to jump out at me over flash, as that seems to be being pushed out. Any suggestions on a route to take would be greatly appreciated

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• Creating practically solvable 15 puzzle inputs

  - by Ashwin

  I am now developing a 15 puzzle game. I know the method to detect unsolvable puzzles. But unlike 8-puzzle, solution for 15-puzzle takes quite long time for some input states and can be solved within 5 seconds some other set of input states. Now the problem is that I cannot give the user(the player), a problem for which the solution takes more than 10 seconds(if he/she chooses to see the solution). So what I want is that when I initially shuffle the puzzle, I want to only present those puzzles which can be solved within 10 seconds. There must be some way to determine the hardness of the puzzle. I tried searching the net but could not find it. Does anyone know a way of determining the hardness of a puzzle? NOTE : I am using A* algorithm to find out the solution on a computer with 3GB RAM and 2.27GHZ processor.

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• User generated content: a basic yet simple to use OR a complex yet powerful solution?

  - by ne5tebiu

  As stated above, which solution is better for a game based on user generated content? The simple solution (in-game editor) is great for gamers without experience in coding and etc. In this way every player could populate the game with content. But the content would be very limited. The complex solution would allow the content to be with almost no limitation but casual gamers probably couldn't make hardly any content at all. If both solutions are used, the quality behind the second solution would be more valuable than the first solution's quantity. However, making a powerful in-game editor could even take more time and manpower than the actual game and every gamer would have to learn how to use the new complex tool, understand it, and master it if he or she wants to make quality content.

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• Detecting extremely fast joystick button presses?

  - by DBRalir

  Is it usually possible for the player to press and release a button within a single frame, so that the game engine doesn't have time to detect it? How do programmers usually handle this situation? Is it even necessary to handle it? Specifically, I am asking about GLFW's joystick input capabilities. I am currently using GLFW to make a game, and I've noticed that keyboard and mouse have callback functions, while joysticks do not. Also, it does not appear to be possible to enable "sticky keys" for a joystick. (I have only recently started using GLFW, so please correct me if I am wrong, as having either of those would solve the problem.)

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• Should NPC dialog be stored in XML or in a script?

  - by Andrea Tucci

  I'm developing an action RPG with some friends. I would like to know the differences and pros/cons of making NPC's dialogue using a file in XMLformat instead of using a script. I see that script method is often used by game developers for NPC text, but is it better then a XML file? We've thought that a XML file with tags like <FirstText>[text1]<SecondText>[text2] et cetera is perfect for NPC text and also for possible quests to give the player. So what are the differences between this two methods? Is a script suitable for this aim?

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• Unity Frustum Culling Issue

  - by N0xus

  I'm creating a game that utilizes off center projection. I've got my game set up in a CAVE being rendered in a cluster, over 8 PC's with 4 of these PC's being used for each eye (this creates a stereoscopic effect). To help with alignment in the CAVE I've implemented an off center projection class. This class simply tells the camera what its top left, bottom left & bottom right corners are. From here, it creates a new projection matrix showing the the player the left and right of their world. However, inside Unity's editor, the camera is still facing forwards and, as a result the culling inside Unity isn't rendering half of the image that appears on the left and right screens. Does anyone know of a way to to either turn off the culling in Unity, or find a way to fix the projection matrix issue?

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• Microsoft Prepares 64 GB Zune HD for Upcoming Release

  To hopefully increase its market share in the ever-competitive world of MP3 players Microsoft has announced that it will release the new 64 GB version of the Zune HD on April 12 2 1 . The 64 GB version of the Zune HD provides much more storage capacity than the previously-released 16 GB and 32 GB versions of the player that were released to the public in September of 2 9.... Business Productivity Online Suite From $10 per user per month. Includes a 12-month subscription. Min 5 seats.

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• VMware sharing folders between Win7 (host) and Ubuntu (guest)

  - by Pawel Goscicki

  What is the best way to share a folder between Win7 64bit (host) and Ubuntu 10.10 (guest) in VMware player? I can setup the sharing just fine (using vmware-tools), but all shared files are root:root owned with 777 permission set. Which, well, sucks. What can I do to have shared files with preserved ownership and permissions? I'm guessing I would need some kind of a file container, that would get mounted in Ubuntu as a block device (if so, it would need to be dynamic, i.e. expand with size of contained files). But maybe there is a better solution?

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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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• Is there a way to prevent others to steal your open source project and use it to make a profit?

  - by Jubbat

  This might seems like a silly question to ask, but I can't really figure out the answer. The title pretty much says it all. Let's say you have an open source music player, along comes someone, copies it, adds features, modifies the interface, etc and sells it. Nobody would find out. So how does it work? Related: I'm working in some projects myself to make me more employable, so employers can take a look at my code but with some of them I don't feel like uploading them to an online repository, ie sourceforge, and make them visible for the general public.

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• How do I install a DVD decryption library?

  - by rocket101

  I recently built a computer running Ubuntu 11.10. It works great, except for one thing. With some video DVDs, when I insert them into my drive, the movie player just says "An error occurred. Could not read DVD. This may be because the DVD is encrypted and a DVD decryption library is not installed." My mac plays the DVD just fine. What is a DVD decryption library, and how can I install it? Thanks! EDIT: I need LEGAL way to do this. All I want is to be able to use this computer as a HTPC!

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• Hide individual regions on a territory map

  - by Paul

  I have a map of adjacent irregularly-shaped territories. It happens to be a county map, but that's not important. In the game, the player only sees a few to start, and as he progresses to new territories, the ones adjacent to it are revealed. It's a territory-scale fog-of-war. I'm using Unity3D, and my inclination is to make a set of planes, each of which has an image of a single territory on it, and then arrange them manually like a jigsaw puzzle. It then is fairly easy to respond to a click on each region and also to mark the planes as visible or invisible, or even do clever things like fade or zoom on individual regions. This sounds like an arduous task, and if we need to change the visual design of the territories, we'd have to cut up the main map all over again into each of the individual pieces. Does anyone have a more elegant solution to this problem?

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• Ripping DVD to iso - Accurately

  - by johnnyturbo3

  I have been using Brasero to rip my DVD collection to .iso. However, I've discovered some errors in some of the DVDs through playback e.g. VLC player would just stop playing the iso file when a bad section in playback is met (half-way through a film). The worst thing is that no errors or warnings were thrown during the ripping process - I could have . Is there a method or application that will monitor DVD/file data integrity and avoid such scenarios in the future? Anything equivalent to Exact Audio Copier or CDparanoia for DVDs?

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• Ubuntu Splash Screen Customization

  - by Galaxy7

  I wanted to know how to customize the splash screen in Ubuntu 13. I have tried to install Plymouth Manager but when I run sudo apt-get update it says it was unable to fetch http://ppa.launchpad.net/mefrio-g/plymouthmanager/ubuntu/dists/raring/main/binary-i386/Packages. I opened the address in Firefox but it didn't open. Also I would like to know where the files for the Ubuntu Logo, Splash Screen Background, etc. are located (to customize them). In previous versions they were located at usr/share/images. I am running Ubuntu 13 Raring Ringtail on VMWare Player. The host is an Acer 5600U running Windows 8. Thnx.

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