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• Is it a bad practice to include all the enums in one file and use it in multiple classes?

  - by Bugster

  I'm an aspiring game developer, I work on occasional indie games, and for a while I've been doing something which seemed like a bad practice at first, but I really want to get an answer from some experienced programmers here. Let's say I have a file called enumList.h where I declare all the enums I want to use in my game: // enumList.h enum materials_t { WOOD, STONE, ETC }; enum entity_t { PLAYER, MONSTER }; enum map_t { 2D, 3D }; // and so on. // Tile.h #include "enumList.h" #include <vector> class tile { // stuff }; The main idea is that I declare all enums in the game in 1 file, and then import that file when I need to use a certain enum from it, rather than declaring it in the file where I need to use it. I do this because it makes things clean, I can access every enum in 1 place rather than having pages openned solely for accessing one enum. Is this a bad practice and can it affect performance in any way?

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• Google I/O 2012 - Android WebView

  Google I/O 2012 - Android WebView Nicolas Roard Hundred of thousands of Android applications use WebView to display HTML content. In Android 4.0 it's hardware-accelerated, which allows support for HTML5 features such as inline video, CSS 3d, CSS animations, and overflow elements. This talk will give an overview of the underlying implementation in ICS, explain how to best take advantage of WebView in your application, and cover best practices for high-performance HTML code. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 83 3 ratings Time: 52:04 More in Science & Technology

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• BI&EPM in Focus November 2013

  - by Mike.Hallett(at)Oracle-BI&EPM

  Normal 0 false false false EN-GB X-NONE X-NONE IBM is Embracing Oracle Exalytics: The Velocity of Thought and Action (link) Customers Ambulance Victoria, Australia, uses analytics and modelling to serve the expanding needs of a growing population (link) Cablemás Selects Oracle to Speed Customer Data Insights (link) National Instruments Introduces New Business Intelligence Solutions—Runs Reports up to 30x Faster, and Expands Customer Insight (link) FLSmidth Ensures Precise, Transparent Financial Reporting at All Business Levels, Reduces Financial Consolidation Time by up to 40% (link) Enterprise Performance Management Partner Edgewater Ranzal Webinar Series Mitigate Your Biggest EPM Project Risk - Thursday, 21st November - Register here:  4.00 GMT Capital Planning in the Energy Industry - Tuesday, 26th November - Register here:  4.00 GMT Driving Value in the Retail Industry Using Hyperion Strategic Finance (HSF)  - Tuesday, 10th December - Register here:  7.00 GMT Dec 11, Look Smarter Selling Hyperion Profitability & Cost Management (HPCM) Webcast (link) EPM System Infrastructure Tips & Tricks Support: November EPM Patch Set Updates released Business Analytics Monthly Index - October 2013 Hyperion Smart View Assistance with OBIEE 11.1.1.7 Hyperion Disclosure Management 11.1.2.3.330 PSU 17444967 [Doc ID 1592645.1] Hyperion Financial Close Management (FCM) 11.1.2.3.100 PSU 16989110 [Doc ID 1592644.1] Business  Intelligence BI-Apps Whitepaper: Packaged Analytic Applications: Accelerating Time and Value By Wayne Eckerson (link) BI Apps Blog: A Closer Look at Oracle Price Analytics (link) Blog: Taking Your Business Scorecard Golfing (link) Blog: Practical Uses of Business Scorecards, from Company-Wide to Process Specific (link) Nov 19, Big Data at Work Series: How Delphi Harnesses Big Data to Improve Warranty Response & Customer Satisfaction (link) Rittman Mead Blog: Oracle BI Apps 11.1.1.7.1 – GoldenGate Integration Support: OBIEE Suite Bundle Patches (understand OBIEE naming convention) [Doc ID 1591422.1] Support Blog: Java update alert: Essbase Administration Services (EAS) 11.1.2.3 (link) Support Blog: OBIEE 11.1.1.7.131017 now available (link) /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-fareast-language:EN-US;}

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• Game Editor - When screen is clicked, how do you identify which object that is clicked?

  - by Deukalion

  I'm trying to create a Game Editor, currently just placing different types of Shapes and such. I'm doing this in Windows Forms while drawing the 3D with XNA. So, if I have a couple of Shapes on the screen and I click the screen I want to be able to identify "which" of these objects you clicked. What is the best method for this? Since having two objects one behind the other, it should be able to recognize the one in front and not the one behind it and also if I rotate the camera and click on the one behind it - it should identify it and not the first one. Are there any smart ways to go about this?

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• vlc issue with unity

  - by bob

  I'm using ubuntu 12.04 with unity 3d. I am having troubles to lock vlc (version: VLC media player 2.0.1 Twoflower (revision 2.0.1-0-gf432547)) to the left panel. It doesn't behave the same way other applications do. This is a fresh install from the repo, I didn't change any settings. Ubuntu 12.04 is also a fresh install. For example, (left) clicking on it doesn't bring it to front, but creates a new instance (this in particular is very annoying, if it gets behind another window, that happens to be maximized, there is no way to bring it back up). It also doesn't have a right arrow to say the number of instances there is. Any way around that ?

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• nouveu driver logs into unity-2d by default

  - by Ubuntuser

  I have an old system with NVIDIA Corporation NV25 [GeForce4 Ti 4600]. When running Ubuntu , the nouveau driver loads fine but does not log into Unity with compiz. Instead it logs into Unity-2D. Any idea how to enable 3D/ compiz with the nouveau driver. OS: Ubuntu 12.04 Beta2 The nvidia driver is no more available for this graphics card, so have to rely on nouveau. UPDATE: Bug reported on launchpad . See here. There has been no reply as yet to this bug-report - does anyone have any idea how to resolve this? Further information, Also, if I use kubuntu desktop, kwin graphics works just fine. But, the users prefer Unity over KDE so I have uninstalled Kubuntu.

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• Inspiron 5720 unclaimed hardware

  - by Chelios

  I have two unclaimed devices in my Dell Inspiron 5720: *-display UNCLAIMED description: 3D controller product: NVIDIA Corporation vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress cap_list configuration: latency=0 resources: memory:f0000000-f0ffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:3000(size=128) *-serial UNCLAIMED description: SMBus product: 7 Series/C210 Series Chipset Family SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 04 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:f1614000-f16140ff ioport:efa0(size=32) What are these devices and what drivers do I need for them? Thanks!

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• Avatar creation / dressing feature

  - by milesmeow

  What is the effort required to use a game engine such as Unreal or Unity, etc. and create an avatar customization features...complete with clothes. The user should be able to customize the body features and the clothes need to then fit onto the customized body. What is needed? Can you create one set of 3D models for clothes and somehow programatically have the clothes adapt to the body shape? I.e. The same shirt model will be able to fit on a skinny person vs. someone with a big beer belly. How difficult is this? What are the steps needed to implement this avatar creation/dressing feature. I'm basically talking about something like in Rockband 3.

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• Need some help implementing VBO's with Frustum Culling

  - by Isracg

  i'm currently developing my first 3D game for a school project, the game world is completely inspired by minecraft (world completely made out of cubes). I'm currently seeking to improve the performance trying to implement vertex buffer objects but i'm stuck, i already have this methods implemented: Frustum culling, only drawing exposed faces and distance culling but i have the following doubts: I currently have about 2^24 cubes in my world, divided in 1024 chunks of 16*16*64 cubes, right now i'm doing immediate mode rendering, which works well with frustum culling, if i implement one VBO per chunk, do i have to update that VBO each time i move the camera (to update the frustum)? is there a performance hit with this? Can i dynamically change the size of each VBO? of do i have to make each one the biggest possible size (the chunk completely filled with objects)?. Would i have to keep each visited chunk in memory or could i efficiently remove that VBO and recreated it when needed?.

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• New York City In LEGO Bricks

  - by Jason Fitzpatrick

  How can you capture all of New York City in LEGO? With a creative mind and the right data. Rather than recreate buildings in detail, designer JR Schimdt used an elevation map of the city and surrounding area to build stacks of LEGO scaled to the city’s building topography. The end result is an eye catching 3D rendition of NYC. Hit up the link below to grab a larger copy. LEGO New York [via Neatorma] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• La beta de Moonlight 4 se rapproche de Silverlight 4, l'implémentation open-source ajoute accélération matérielle et support du H.264

  La beta de Moonlight 4 se rapproche de Silverlight 4 Son implémentation open-source propose désormais accélération matérielle et support du H.264 Moonlight 4 vient de sortir en version beta. L'implémentation open-source de Silverlight propose à présent l'accélération matérielle (pour la prise en charge des vidéos et de la 3D par le GPU) ou le support du codec H.264. Avec cette version de développement, Moonlight intègre plusieurs nouveautés de Silverlight 4, notamment la prise en charge des APIs de Silverlight 3 et 4. Elle permet également de construire et de faire tourner des applications « hors du navigateur ». Néanmoins, cette beta ne propose pas toutes les foncti...

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• Any way to edit Warcraft MDX or MDL Animated models?

  - by Aralox

  I have been searching for a while for a way to get an animated mdl or mdx model into any 3D animating software (such as Blender), but so far have not had any success. I found a few methods of getting textured static mdx or mdl models into Blender/Milkshape/Hexagon, but no one seems to have written an importer that deals with the mdl/mdx model's keyframe animation. On that note, if anyone knows of a way of importing a keyframe-animated 3DS model into Blender, me and alot of people would appreciate it if you could let us know. Thanks for any help! :) PS: For anyone curious about static MDL or MDX - Blender, see here: http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Import-Export/WarCraft_MDL

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• XNA: Runtime differences in ClickOnce install versus development version

  - by Sean Colombo

  I have a game written in XNA, and I use ClickOnce installers to distribute the game to testers. I keep once computer as a test machine which does NOT have development environments installed, so that I can test the installed version. We've found a reproducible bug in our game, but the bug ONLY occurs on the non-development machines that use the ClickOnce installer. The bug is related to some of our code for moving around 3D objects and is not tied to Networking or GamerServices. Are there known differences in the ClickOnce runtime and the version on dev? Are there any best-practices for debugging something like this?

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• 2D Ragdoll - should it collide with itself?

  - by Axarydax

  Hi, I'm working on a ragdoll fighting game as a hobby project, but I have one dilemma. I am not sure if my ragdoll should collide with itself or not, i.e. if ragdoll's body parts should collide. 2D world is somewhat different than 3D, because there are several layers of stuff implied (for example in Super Mario you jump through a platform above you while going up). The setup I'm currently most satisfied with is when only the parts which are joined by a joint don't collide, so head doesn't collide with neck, neck with chest, chest with upper arm etc, but the head can collide with chest, arms, legs. I've tried every different way, but I'm not content with either. Which way would recommend me to go?

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• Google I/O 2010 - Writing real-time games for Android redux

  Google I/O 2010 - Writing real-time games for Android redux Google I/O 2010 - Writing real-time games for Android redux Android 201 Chris Pruett This session is a crash course in Android game development: everything you need to know to get started writing 2D and 3D games, as well as tips, tricks, and benchmarks to help your code reach optimal performance. In addition, we'll discuss hot topics related to game development, including hardware differences across devices, using C++ to write Android games, and the traits of the most popular games on Market. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 10 0 ratings Time: 58:57 More in Science & Technology

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• Detailed Modern Opengl Tutorial?

  - by Kogesho

  I am asking for a specific modern opengl tutorial. I need a tutorial that does not skip to explain any lines of code. It should also include different independent objects moving/rotating (most tutorials use only one object), as well as imported 3d objects and collision detection for them. It should also avoid stuff that won't be used. Arcysnthesis for example gives a new concept, and after teaching it, in the next tutorial, it explains how bad it is for performance and introduces another method. Do you know any?

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• Sneak Peek: Even More Charts And Charting Features In 2010.1 Release

  XtraCharts, our premiere charting suite for both WinForms and ASP.NET, is getting even more charts and features in the DXperience v2010.1 release! Check out what XtraCharts will provide you in the next major release: New Series View Types Side-by-Side Stacked and Side-by-Side Full-Stacked Bar series are now available for both 2D and 3D charting (click image to see larger version): 2D Side-by-Side Stacked Bars 2D Side-by-Side 100% Stacked Bars ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Les CPU monocoeur des smartphones et tablettes sont-ils assez puissants ? NVIDIA souhaite mettre plus de coeurs dans ces appareils

  Les CPU monocoeur des smartphones et tablettes sont-ils assez puissants ? Non répond Nvidia, qui souhaite implémenter plus de coeurs dans ces appareils Pour Nvidia, "les processeurs dual-core seront le standard en 2011, et les quad-core ne tarderont pas à suivre". L'entreprise trouve en effet que les appareil mobiles, actuellement équipés de puces à un seul coeur, ne sont pas assez puissants. Pourtant, on leur en demande toujours plus, notamment de nos jours avec l'arrivée des jeux en 3D ; qui sont plutôt gourmands. Face à cela, Nvidia propose d'ajouter des coeurs supplémentaires dans les circuits de ces machines. Les bénéfices ? Une durée de vie des batteries allongée, et l'e...

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• unit testing on ARM

  - by NomadAlien

  We are developing application level code that runs on an ARM processor. The BSP (low level code) is being delivered by a 3d party so our code sits just on top of this abstraction layer (code is written in c++). To do unit testing, I assume we will have to mock/stub out the BSP library(essentially abstracting out the HW), but what I'm not sure of is if I write/run the unit test on my pc, do I compile it with for example GCC? Normally we use Realview compiler to compile our code for the ARM. Can I assume that if I compile and run the code with x86 compiler and the unit tests pass that it will also pass when compiled with RealView compiler? I'm not sure how much difference the compiler makes and if you can trust that if the x86 compiled code pass the unit tests that you can also be confident that the Realview compiled code is ok.

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• Premultiplying matrices with Perspective destroys them

  - by Shadows In Rain

  If I apply world_to_camera, perspective and camera_to_screen to my mesh, everything is okay. But if I premultiply given matrices (i.e. transform = world_to_camera * perpective * camera_to_screen) before applying, then it seems like only perspective has effect. If it is important... My 3d framework was written from scratch (test project for job interview). But it works flawlessly, or at least I think so. So, question. This is expected behaviour, or my implementation is wrong?

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• Most supported/easiest to get started gamedev language?

  - by user1009013

  In what language are the most libraries/frameworks (like lwjgl for Java, XNA for C#)? What language is the easiest to start making a game (very easy to get a 3D-environment rendered)? What language has the friendliest learning curve? Say I want to make a game and I don't know any programming languages, I want to develop for any platform(so don't give the answer "the one you know best/the platform you are working on"), then what is the best language to start with. I get this question a lot "I have this and that ideas for a game and want to make it, what language should I use"(mostly asked by beginning programmers), but I don't know how to answer that. The answer "use the one you are most familiar with", because sometimes they don't even know a language yet... I am not asking for someone's personal opinion, but an objective list of what languages are the easiest/most supported/have the most/best libraries/frameworks to get started with gamedevelopment.

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• Exalytics OBI11g Partner Training 3-day hands-on Workshops

  - by Mike.Hallett(at)Oracle-BI&EPM

  These FREE to OPN Partners hands-on workshops highlight both the hardware and software components that are engineered to work together to deliver Oracle Exalytics - an optimized version of the industry-leading Oracle TimesTen In-Memory Database with analytic extensions, a highly scalable Oracle server designed specifically for in-memory business intelligence, and Oracle's proven Business Intelligence Foundation (OBI 11g v 11.1.1.6 and Essbase) with enhanced visualization capabilities and performance optimizations. Priority will be given to Partner individuals who have passed or scheduled to take the Oracle Business Intelligence Foundation Suite 11g Essentials (1Z1-591) exam, and to Partners who have purchased an Exalytics for their own data centres to demonstrate it to their clients. Topics covered will include: Exalytics Architectural Overview Upgrade and Lifecycle Management Times Ten for Exalytics Summary Advisor Utility Essbase and EPM System on Exalytics Dashboard and Analysis Interactions OBIEE 11.1.1.6 Features and Advanced Topics After taking this course, you will be well prepared to architect, build, demo, and implement an end-to-end Exalytics solution.You will also be able to extend your current analytical and enterprise performance management application implementations with numerous Oracle technologies specifically enhanced to take advantage of the compute capacity and in-memory capabilities of Oracle Exalytics. Prerequisites Experience and understanding of OBIEE 11g is required ·       Previous attendance of Oracle Business Intelligence Foundation Suite Workshop or BIEE 11g Introduction Workshop is highly recommended, and priority will be given to Partner individuals who have passed or scheduled to take the Oracle Business Intelligence Foundation Suite 11g Essentials (1Z1-591) exam. Good understanding of data warehousing and data modelling for reporting and analysis purpose.  Strong experience with database technologies preferred Attendee to provide their own laptops which must meet the following minimum hardware/software requirements: Hardware Minimum 8GB RAM 60 GB free disk space (includes staging) USB 2.0 port (at least one available) It is strongly recommended that you bring a mouse. You will be working in a development environment and using the mouse heavily. Software One of the following operating systems: 64-bit Windows host/laptop OS 64-bit host/laptop OS with a Windows VM (XP, Server, or Win 7, BIC2g, etc.) Internet Explorer 7.x/8.x or Firefox 3.5.x WINRAR or 7ziputility to unzip workshop files: Download-able from http://www.win-rar.com/download.html Download-able from http://www.7zip.com/ Oracle VirtualBox 4.0.2 or higher Downloadable from http://www.virtualbox.org/wiki/Downloads CPU virtualization mode needs to be enabled. We will provide guidance on the day of the workshop.  Attendees will be given a VirtualBox image containing a pre-installed Oracle Exalytics environment. Register Here for 3-day Workshops: 11-Dec-12 Birmingham UK 29-Jan-13 Utrecht NL 12-Feb-13 Frankfurt Germany 12-Mar-13 Moscow Russia

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• How does a collison engine work?

  - by JXPheonix

  Original question: Click me How exactly does a collision engine work? This is an extremely broad question. What code keeps things bouncing against each other, what code makes the player walk into a wall instead of walk through the wall? How does the code constantly refresh the players position and objects position to keep gravity and collision working as it should? If you don't know what a collision engine is, basically it's generally used in platformer games to make the player acutally hit walls and the like. There's the 2d type and the 3d type, but they all accomplish the same thing: collision. So, what keeps a collision engine ticking?

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• System hangs at glReadPixel call with GL_TEXTURE_2D_ARRAY for texturing

  - by Roshan

  I am calling glReadPixel after glDrawArray call. I am rendering a geometry with 3D texture on it as a target GL_TEXTURE_2D_ARRAY. My systems hangs at glreadpixel call. When i use target as GL_TEXTURE_3D the issue does not occurs and it correctly reads the framebuffer contents. glReadPixels(0, 0, GetViewportWidth(), GetViewportHeight(), GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid *)rendered_pixels); I am using SNORM textures with GL_byte data in glTeximage3D call and I am not calling glPixelStorei, is it because of this? What should be the parameter for pixelstore call?

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• Acer Extensa 5620 - Graphic unknown!

  - by Nycxzon

  I install Ubuntu 12.04 Beta 2, I found out the my graphic driver is "Unknown" and experience is "Standard". Please help me know how to install my graphic driver. as per my laptop specs: Mobile Intel GM965 Express Chipset with integrated 3D graphics, featuring Intel Graphics Media Accelerator (GMA) X3100 with up to 358/3845 MB of Intel Dynamic Video Memory Technology 4.0 (8 MB of dedicated system memory, up to 350/3765 MB of shared system memory), supporting Microsoft DirectX 9. Hope you can help me! Thanks in advance! Noob @ Ubuntu :) Updates! ______________ I found a solution! I found a site where I ask how to check the graphic of my system. by using terminal command "glxinfo" command ask me to install mesa-utils! and update. After that, My graphic driver is listed! Thanks for your continues support! :)

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