Game Technologies: DirectX, XNA, XACT, etc.

Page 669




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  • Managed DirectX vs Native DirectX performance
    by Wiegje
    8 Replies
    Last post by Wiegje
      • Greetings, I'm sure many people asked this before but no one has ever been able to answer this for me :( I've searched high and low (on this forum too) but theres no answer to this question: Whats the performance difference between MDX and DX I'm currently writing a little 2D engine in MDX, and its quite fun to do! But it doesn't perform that well, I've managed to get a few performance ga
  • Need Help With A load of stuff
    by KIWIDOGGIE
    2 Replies
    Last post by KIWIDOGGIE
      • I need code straight code for XNAGSE 1.0 becuase i am working on xwing flight and i need sone stuff like, Anti-Alising x6 not x2 Motion Blur A tutorial on Lens effect if you can help please reply and NO I AM NOT A N00B
  • xna with managed directinput
    by daimaku
    4 Replies
    Last post by daimaku
      • i'm making a game using the xna framework, the input class in the xna framework is good but i want to support old gamepad and joystick and i 'm using the directinput from the managed directx 9.0c, but when i use this line of code game_control.SetCooperativeLevel(this, CooperativeLevelFlags.NonExclusive | CooperativeLevelFlags.Background); the compiler gave me this two error codes: a) The
  • Puting texture on a 3D model with code
    by Steffanp
    2 Replies
    Last post by Shawn Hargreaves - MSFT
      • Hi. I have a 3D model that i have made in Blender. When i put a texture on the model in blender and export it to .x, the texture does not show in my XNA game :S. Is there a way to put texture on a plain (no texture) 3D model with code
  • "Chaos" 3d FPS Game Engine (WiP)
    by OasisGames
    12 Replies
    Last post by OasisGames
      • Title: Chaos First Person Shooter Game Engine for XNA Objective: To design and write a first person shooter engine for the XNA that utilizes advanced shaders, shadows, and poly-based collision detection and to meet or exceed the capabilities of the engine used in "Halo" Website: [ here ] Time Frame: 4-5 Months (Expected completion in late April to early May, 2007) Description: The Chaos First Pers
  • error loading model in xna framework
    by daimaku
    6 Replies
    Last post by cronholio
      • hello i have a problem loading a model that i have made it in 3d studio max 9, the model is a human all with texture, but when i put it in the content pipeline and try to run or compile the program the compiler send me this error Error 2 BasicMaterial has a texture, but geometry does not contain texture coordinates. E:\my games\prueba01\prueba01\enzo.X prueba01 What i need to do to correct t
  • JIT register allocation and bounds checking
    by AndyL
    14 Replies
    Last post by AndyL
      • A few questions for Shawn or one of his buddies: 1/ Does the register allocator used in the XBox JITter use all of the available scalar floating point registers If not, how many can it deal with 2/ Does the XBox VM ever skip array bounds checking, and if so under what conditions 3/ Presumably there are no bounds checks when using unsafe code and pointers 4/ Are the method inlining l
  • Can I write 3D games in XNA?
    by Mateusz Rajca
    5 Replies
    Last post by ProfEclipse
      • Hi! Can I write 3D games in XNA ~Matt
  • Refreshing the graphics
    by Althake
    14 Replies
    Last post by Thomas Aylesworth
  • Help Please, kinda alot of questions in here
    by moo10032
    14 Replies
    Last post by moo10032
      • Hi, im a complete beginner with any kind of coding and i want to make a simple game to start learning how to code. I'm very fluent in 3ds max and want to put some use to the models i've made and put them in my own game... I want to make a simple space ship flight game. I've done the 3 tutorials for moving models but I dont really know how to apply them to my own game. heres mainly what i want; 1.
  • My shadow maps work on Windows, not Xbox 360
    by Brandon Bloom
    12 Replies
    Last post by Shawn Hargreaves - MSFT
      • I'm having some problems getting my shadow maps to work on the Xbox 360, but they work great under Windows. There seems to be some weird SetRenderTarget and ResolveRenderTarget behaviors I don't really understand on the Xbox 360. I¡¯ve got too much code to post here, so some pseudocode is at the bottom. I realize it may be hard to help without seeing the actual code, so if more information is
  • Selecting objects in 3D space
    by CyberLord_Dan
    6 Replies
    Last post by CyberLord_Dan
      • Hi! Can anyone tell me how to unproject the mouse coordinates to create a ray in 3D space And pls some sample code of how the PICKING operation is made (With intersectinformation..) Thnx. Note that I don't want to use the sample framework provided with the DirectX SDK . Thnx again. And I need it in C#, not VB, C++ ar J# ! This is for a program named Verter, but don't search for it because it is
  • Question from XNA Tutorial 1
    by Keith Henrickson
    1 Replies
    Last post by BlueG
      • Ok, so, I see this going on in many people's 3D examples, so there must be something to it. In XNA tutorial 1, in the Draw loop, they set every property of every effect every time through the loop. Why It would seem to me that, since they always want default lighting, the best place to set that is in LoadGraphicsContent, right after the model is loaded. Same for the aspect ratio. They don't
  • What does creators club include right now?
    by Xefan
    14 Replies
    Last post by buster2000
      • I'm a little puzzled about what the creators club actually includes, I've checked the FAQs and can't really find an answer. I have however managed to find the following: "The XNA Creators Club is available on Xbox LiveR Marketplace for $49 (U.S.) for a four-month subscription, or $99 (U.S.) for an annual subscription. Both subscriptions provide aspiring game developers with access to thous
  • mesh loading error
    by o.miller
    1 Replies
    Last post by Bad Habit
      • hi i just started coding a simple dx powered engine 'n when i tried to implement mesh loading into i got this error: this is the constructor of my mesh class: CBaseMesh::CBaseMesh( char * szFileName, IDirect3DDevice9* _pD3DDev) { if (FAILED(D3DXLoadMeshFromX(szFileName, D3DXMESH_SYSTEMMEM, _pD3DDev, NULL, &pD3DMaterials, NULL, &dwNumMaterials, &pD3DMesh))) MB( "err
  • DirectX and Visual Studio 8 Help
    by novasheep
    2 Replies
    Last post by novasheep
      • I am trying to learn DirectX for 2D programming and have been running into some brick walls while doing so. I am currently learning from Sams Teach Yourself Game Programming With DirectX. This book uses DirectX8 but I have had problems with DirectX8 working with VS8 so i started using the April Dev kit and all seemed to be just fine until i ran into this code. Code Snippet ////////////
  • 3D model is incorrect after adding a Sprite in 2D
    by nick5454
    3 Replies
    Last post by Lostlogic
      • I took the example of drawing a 3D model(tutorial 1 and 2(spaceship)) and then pasted the code from the tutorial of the "Drawing a Sprite" When It renders the ship doesn't have volume. In that I can see right through it. Does anyone know what is wrong. Is there some thickness setting for the graphic devicer that I need to set The complete code is pasted here: #region Using
  • XNA with VertexBuffers only? (No loading content)
    by Tito Jermaine
    5 Replies
    Last post by Jon Watte
      • I'm trying to create just a simple test app that draws some triangles on the screen.  I don't want to load any models, just use a VertexBuffer and IndexBuffer right now.  I load the buffers and set them on the GraphicsDevice.  When I call DrawIndexedPrimitives, I get the following error: "Both a valid vertex shader and  pixel shader (or valid effect) must be set on the devic
  • .Net C# Developer moving into Gaming
    by ceedee
    3 Replies
    Last post by Pieter Germishuys
      • I am a .Net Developer and wish to move into gaming. I have downloaded the latest DirectX SDK and have been trying to do some self study to get started. However I have been unable to do so. Any suggestions on how I could make a quick beginning and one with a good base. Are there any sites/books which will help me start from scratch.
  • Save projects under new filenames?
    by jeffmorris
    3 Replies
    Last post by Jim Perry
      • XNA Game Studio doesn't have a command to save projects under new filenames or make copies of projects. For example, create a new project while going through a tutorial from a web site. Is it possible to save projects under new filenames or make copies of projects
  • Humorous but somewhat serious question about XNA
    by redshock
    14 Replies
    Last post by Jim Perry
      • Microsoft has claimed the Nintendo Wii as a "kids toy;" however, if XNA can produce graphics and push performance up to what the Wii is capable of handling (games like Half-Life, Sims 2 from most XNA performance claims), does that mean that XNA is a kids toy too
  • "Chaos" 3d FPS Game Engine (WiP)
    by OasisGames
    12 Replies
    Last post by OasisGames
      • Title: Chaos First Person Shooter Game Engine for XNA Objective: To design and write a first person shooter engine for the XNA that utilizes advanced shaders, shadows, and poly-based collision detection and to meet or exceed the capabilities of the engine used in "Halo" Website: [ here ] Time Frame: 4-5 Months (Expected completion in late April to early May, 2007) Description: The Chaos First Pers
  • Transforming from view-coordinates to world
    by Yorthen
    1 Replies
    Last post by Yorthen
      • I'm currently rewriting the ModelViewerCamera slightly to control it in a different way than possible as it is. One of the things I'm trying to do is to change how the camera is moved with the mouse, I want to be able to move the centre of the arcball so that when the mouse is used to rotate the camera/model the rotation will be performed around the lookAt-point (this does not happen if you use th
  • Grouping units like in a RTS game
    by GMS0012
    12 Replies
    Last post by GMS0012
      • hello all.. is it possible to group units (drawing a rectancle) while holding down the mouse button with XNA i am planning to do a 2D game where i would need this.. if yes, please give me a hint how to do it... thanks in advance greg
  • How to use DirectX 10 to get graphices memory ?
    by srjing2
    8 Replies
    Last post by srjing2
      • Dear All , I had read the Microsoft white paper for "Graphices Memory Reporting through WDDM" It talk how to retrieveal of graphics memory values . I had use VC++ 2005 wit DirectX 10 SDK to build program , but I wan't to use function "CreateDXGIFactory( )" to get the struct data "DXGI_ADAPTER_DESC" , but compiler alway error , error message "DX10Dl