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• What can i use as a 3d Tile map editor?

  - by alfa64

  I need to make grid based levels with 3d models for a dungeon crawler ( as a recent example Legend of Grimrock), but i need to have several layers and place entities with properties and position, angle, etc. I was considering Tiled, using layers as height for each level, but it's very hard to work with and visualize. What can i use for this pourpose? The output format needs to be json, xml, or something i can use on my engine. Ideally i'd want something like Tiled with a 3d visualization/edit mode and support for loading models or at least some visual representation of them.

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• Why can't I use Unity 3D on a ATI Mobility Radeon HD 4200 Series with FGLRX drivers?

  - by user88257

  With a brand new install of 12.04 on my Dell Inspiron M5030, Unity 3D appears to load everything but the icons in the top left, and I am unable to click on anything. Unity 2D seems to works fine however. I have done nothing except install Synaptic Package manager and follow this guide to install FGLRX Drivers under Settings ? Additional Drivers, the driver shows as installed and functioning. Also after running: /usr/lib/nux/unity_support_test -p, I get this: OpenGL vendor string: ATI Technologies Inc. OpenGL renderer string: ATI Mobility Radeon HD 4200 Series OpenGL version string: 3.3.11653 Compatibility Profile Context Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: yes I am unsure as to what the problem is. I have tried the non-proprietary drivers, I could not get them to work either, but I would be willing to try again.

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• How to create a 3D world with 2D sprites similar to Ragnorak online?

  - by Romoku

  As far as I know Ragnorak Online is a 3D game world with 2D sprites overlayed. I would like to use this style in a game I am making in Unity, so I would like the player to be able to select little square tiles on the terrain. There are a couple routes I could take such as using a bunch of cubic polygons and linking them together or using one big map. The former approach doesn't seem to make any sense if the world is not flat as polygons wouldn't be reused often. The goal is to break down a 3D polygon into tiles which is heard to wrap my head around. I believe using something like an interval tree or array would be appropriate to store the rectangle grid, but how would I display a rectangle around the selection the player has his mouse over on the polygon terrain itself? Here is a screenshot. Here is a gameplay video. Here is the camera usage.

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• Love2D engine for Lua; What about 3D?

  - by shadowprotocol

  Lua has been really awesome to learn, it's so simple. I really enjoy scripting languages, and I had an equally enjoyable time learning Python. The Love engine, http://love2d.org/, is really awesome, but I'm looking for something that can handle 3D as well. Is there anything that accommodates 3D in Lua? I'm still intrigued by the particle system of LOVE anyway and may just turn my idea into a 2D project with Particle lighting :) EDIT: I removed comments about Python - I want this to be a Lua topic. Thanks

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• projective geometry: how do I turn a projection of a rectangle in 3D into a 2D view

  - by bonomo

  So the problem is that I have a 3D projection of a rectangle that I want to turn into 2D. That is I have a photo of a sheet of paper laying on a table which I want to transform into a 2D view of that sheet. So what I need is to get an undistorted 2D image by reverting all the 3D/projection transformations and getting a plain view of the sheet from the top. I happened to find some directions on the subject but they don't suggest an immediate instruction on how this can be achieved. It would be really helpful to get a step-by-step instruction of what needs to be done. Or, alternatively, a link on a resource that breaks it down to little details. Thank you

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• Remote Graphics Diagnostics with Windows RT 8.1 and Visual Studio 2013

  - by Michael B. McLaughlin

  Originally posted on: http://geekswithblogs.net/mikebmcl/archive/2013/11/12/remote-graphics-diagnostics-with-windows-rt-8.1-and-visual-studio.aspxThis blog post is a brief follow up to my What’s New in Graphics and Game Development in Visual Studio 2013 post on the MVP Award blog. While writing that post I was testing out various features to try to make sure everything worked as expected. I had some trouble getting Remote Graphics Diagnostics (a/k/a remote graphics debugging) working on my first generation Surface RT (upgraded to Windows RT 8.1). It was more strange since I could use remote debugging when doing CPU debugging; it was just graphics debugging that was causing trouble. After some discussions with the great folks who work on the graphics tools in Visual Studio, they were able to repro the problem and recommend a solution. My Surface RT needed the ARM Kits policy installed on it. Once I followed the instructions on the previous link, I could successfully use Remote Graphics Diagnostics on my Surface RT. Please note that this requires Windows RT 8.1 RTM (i.e. not Preview) and that Remote Graphics Diagnostics on ARM only works when you are using Visual Studio 2013 as it is a new feature (it should work just fine using the Express for Windows version). Also, when I installed the ARM Kits policy I needed to do two things to get it to work properly. First, when following the “How to install the Kits policy” instructions, I needed to copy the SecureBoot folder into Program Files on my Surface RT (specifically, I copied the SecureBoot folder to “C:\Program Files\Windows Kits\8.1\bin\arm\” on my Surface RT, creating any necessary directories). It may work if it’s in any system folder; I didn’t test any others after I got it working. I had initially put it in my Downloads folder and tried installing it from there. When the machine restarted it displayed a worrisome error message. I repeatedly pressed the button that would allow me to retry and eventually the machine rebooted and managed to recover itself to its previous state. Second, I needed to install it as an Administrator. The instructions say that this might be necessary. For me it was. This is a Remote Graphics Diagnostics is a great new feature in Visual Studio 2013 so I definitely encourage all of you to check it out!

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• XNA: draw a sprite in 3d, is that possible?

  - by Heisenbug

  since now I always used sprited to draw in 2D: spriteBatch.Draw(myTexture, rectangle, color); (I suppose the texture is binded internally to 2 triangles and then scaled.) Now, I'm porting my game in 3D and I have to draw several planes (walls, floor, roof,..). Do I need to manually binding a texture to a geometry (for example using VertexPositionColorTexture with VertexBuffer and IndexBuffer), or is there any simpler way to do that? I'm looking for something like spriteBatch.Draw with the rectangle clip specified in 3d space: spriteBatch.Draw(myTexture, rectangleIn3D, color);

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• Retrieve the coordinates of the *occluding* (closest/drawn) pixels during 3D overlap, using OpenGL?

  - by Big Rich

  Hi, Sorry if the question is not worded well, I'm a new to both 3D and OpenGL. How could I go about obtaining the 3D coordinates of the occluding object, at the point where occlusion is happening (i.e. the 'intersection' of the object in front/closest to the screen)? Just to offer a [very] rudimentary, visual, example, if you were to form an index-finger cross, with your right hand closest to your face, I'd like to know the coordinates of the part of your right finger which obscures the other finger (obviously back within the OpenGL context - no jokers ;-) ). If there is a way to find out both about the occluder (hider) and the occluded (hidden) objects in OpenGL, then that would be of great use, also. Cheers Rich

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• Will 3D games run in a VirtualBox4-hosted Windows system under Ubuntu with Intel GMA X4500HD card?

  - by Ivan

  I've just got a laptop with Intel GMA X4500HD card (which is said to be DirectX10-compliant, while my previous laptop had Intel 82852/855GM and no chance to play modern 3D games at all). It would be nice if I could play some games (like HalfLife 2, StarCraft 2, Fallout 3) from time to time (while I am ok using lo-fi settings and having low performance) but as I strongly prefer Ubuntu environment and don't need Windows usually I'd like to install Windows inside VirtualBox instead of using a dedicated partition and dual-boot. So the question is if VirtualBox can use 3D acceleration of Intel GMA X4500HD if run on Ubuntu.

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• i7 Windows 7 laptop or Macbook Pro 15" (For making 3D model and Animation)

  - by sppdhs

  Hi everyone, I'm thinking of buying a new laptop as my current one will be 5 years old next year and it currently gives me a blue screen everytime I run a heavy software to make 3D models and animation. Question is: Should I buy Macbook Pro or a Windows 7 laptop? I tried to research and some say that Windows would be better, especially because you can buy a very high spec laptop with cheaper price. While some other say Macbook Pro is the better choice as it can run bootcamp with windows 7 100% performance on every software even though it's a mac. Is this true? Which one is actually better? Btw, the software that I usually use is 3Ds Max, Maya, and ZBrush. To note as well, I have never used a Mac before. I've checked around some stores and budget wise, I'll need around AU$3000+ to buy a Macbook pro, and AU$2000+ to buy a windows laptop. Quite a big difference in price range. Thanks in advance for your help.

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• Best direction for displaying game graphics in C# App

  - by Mike Webb

  I am making a small game as sort of a test project, nothing major. I just started and am working on the graphics piece, but I'm not sure the best way to draw the graphics to the screen. It is going to be sort of like the old Zelda, so pretty simple using bitmaps and such. I started thinking that I could just paint to a Picture Box control using Drawing.Graphics with the Handle from the control, but this seems cumbersome. I'm also not sure if I can use double buffering with this method either. I looked at XNA, but for now I wanted to use a simple method to display everything. So, my question. Using the current C# windows controls and framework, what is the best approach to displaying game graphics (i.e. Picture Box, build a custom control, etc.)

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• Icons/graphics for your applications

  - by rein

  I need to source some graphics/icons for my application I'm writing (Windows WinForms). I need graphics for toolbar buttons, icons for form headers and graphics for wizard dialog boxes. As a last resort I'm willing to create them myself - a move that might make them (and my whole application) look amazingly bad. What are some good sources (free or not) where I can get these kinds of programmer icons? I'd like the icons to be at least 32x32 256 color.

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• ActionScript Aligning Graphics Line Style Stroke?

  - by TheDarkIn1978

  is it possible to align the stroke of a graphic with actionscript? for example, the following code creates a black rounded rect with a grey stroke that is automatically centre aligned. var t:Sprite = new Sprite(); t.graphics.lineStyle(5, 0x555555); t.graphics.beginFill(0, 1); t.graphics.drawRoundRect(25, 25, 200, 75, 25, 25); t.graphics.endFill(); the lineStyle function doesn't seem to offer any built-in functionality for aligning the stroke. in Adobe Illustrator, you can align a stroke to be either centre (default), inside or outside.

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• Dual NVidia graphics cards in Ubuntu / xorg.conf mania

  - by John Zwinck

  I have two NVidia graphics cards: Quadro NVS 295 (PCI Express, dual DisplayPort outputs) GeForce FX 5200 (PCI, DVI and VGA outputs) I have three identical monitors, two on DisplayPort and one on DVI. I'm on Ubuntu Hardy (and cannot currently dist-upgrade for separate reasons). I use the "nvidia" driver. What's new is the GeForce card and the third monitor. I currently have the dual DisplayPort monitors working fine. Here are the display-related parts of my xorg.conf: Section "ServerLayout" Identifier "Default Layout" Screen "PCI-Express Screen" 0 0 # adding this makes X fail to start: Screen "PCI Screen" 0 Inputdevice "Generic Keyboard" Inputdevice "Configured Mouse" EndSection Section "Module" Load "glx" # not sure why/if this is needed EndSection Section "Monitor" Identifier "DELL 2408WFP" Option "DPMS" EndSection Section "Device" Identifier "NVIDIA Quadro NVS 295" Driver "nvidia" Option "RenderAccel" "true" Screen 0 BusID "PCI:2:0:0" EndSection Section "Device" Identifier "NVIDIA GeForce FX 5200" Driver "nvidia" Option "RenderAccel" "true" Screen 1 BusID "PCI:6:4:0" EndSection Section "Screen" Identifier "PCI-Express Screen" Device "NVIDIA Quadro NVS 295" Monitor "DELL 2408WFP" Defaultdepth 24 Option "TwinView" "True" Option "UseEdidFreqs" "True" Option "MetaModes" "1920x1200 +0+1200, 1920x1200 +0+0" EndSection Section "Screen" Identifier "PCI Screen" Device "NVIDIA GeForce FX 5200" Monitor "DELL 2408WFP" Defaultdepth 24 Option "TwinView" "True" Option "UseEdidFreqs" "True" Option "MetaModes" "1920x1200 +0+0" EndSection I use nvidia-settings to configure my monitors, and it does not show the second GPU. lspci, though, shows: 02:00.0 VGA compatible controller: nVidia Corporation Unknown device 06fd 06:04.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200] Which is where I got the BusID settings for the two devices (when I just had one device, I didn't have any BusID listed...and adding the BusID hasn't broken anything). What am I missing? How can I make nvidia-settings show my second GPU so I can then configure its monitor?

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• Graphics Artifacts/ Texture Flickering

  - by Cerin

  Hey I been having some problems with artifacts in games. Sometimes textures flicker. Artifacts of various shapes and sizes show up usually after a couple games of dota 2. I built my computer almost exactly one month ago and it has been doing this pretty much from the start except before the artifacts I believe just flashed on screen fast enough to where I couldn't tell what it was but I still noticed. In dota I've seen green triangular artifacts among other things. I've tried running Furmark for a while but even though it pushes the gpu much harder than dota 2, there are still no artifacts. It maxes in furmark at about 60C and running every game I've tried on it at 40C. CPU and system temp don't usually get higher than 40C either. These are my system specs: Gigabyte Z68 Intel Motherboard 16 GB Gskill Ripjaws SDRAM DDR3 Sapphire Radeon HD 7770 GHz edition Intel Core i5-2500k (with built in gpu) Corsair 750 Watt PSU windows 7-64 bit I have the latest drivers for everything. What should I do about this? Try to RMA my graphics card? Are there other things that could be causing this?

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• Graphics artifacts/distortion with Win7 and nVidia

  - by Gepard

  Problem I encounter is rather hard to describe, so I provide a screenshot: http://dl.dropbox.com/u/1732760/video-distortion.png As you can see there are some horizontal stripes in random colors. These stripes appear sometimes in all windowed apps, games and on the desktop too. They tend to stay in place until I refresh window (or force it to to redraw by for example minimizing and maximizing again). They also tend to appear in the same place and shape multiple times, even if they disappear, it's very likely they will be again in the same place after a while. These artifacts do not blink or change if computer is idling. If I don't touch anything, do not use mouse, they will stay in place forever (unless some app redraws its window on its own). I first encountered this problem some weeks ago. Back then I thought it might be cooling problem, so I took out the graphics card, removed dust from the radiator and fan and put it into PC back. I also ran some stress test using Furmark (peak tempearature was ~65C) to see if the problem becomes more intense if the card gets hotter, but suprisingly no artifacts whatsoever appear during the stress test. Graphic card is Galaxy GeForce 7300 GT with DDR3 memory, was never overclocked. Drivers are the latest, from Nvidia site. OS is Windows 7 64-bit, updated. AMD64 3000+, 2GB RAM. I'm running a dual monitor setup with 2 19'' Samsung LCDs and problem is on both, so I assume it's not a monitor or cable issue.

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• In WPF 3D, why can't a perspective camera's LookDirection be straight down?

  - by DanM

  I'm attempting to position my perspective camera 30 units above the origin and pointing straight down. If I set the LookDirection of the camera to "0,0,-1", however, everything disappears. I have to make it "0.01,0.01,-1" for it to work. Why? <Window x:Class="ThreeDeeTester.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <Grid> <Viewport3D> <Viewport3D.Camera> <PerspectiveCamera Position="0,0,30" LookDirection="0.01,0.01,-1" UpDirection="0,0,1" /> <!-- LookDirection="0,0,-1" doesn't work...why? --> </Viewport3D.Camera> <ModelVisual3D> <ModelVisual3D.Content> <Model3DGroup> <DirectionalLight Color="White" Direction="1,-1,-1" /> <GeometryModel3D> <GeometryModel3D.Geometry> <MeshGeometry3D Positions="0,0,10 -5,-5,0 -5,5,0 5,5,0 5,-5,0" TriangleIndices="2 1 0 2 0 3 4 3 0 1 4 0" /> </GeometryModel3D.Geometry> <GeometryModel3D.Material> <DiffuseMaterial Brush="Red" /> </GeometryModel3D.Material> </GeometryModel3D> </Model3DGroup> </ModelVisual3D.Content> </ModelVisual3D> </Viewport3D> </Grid> </Window>

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• Draw 2.5D or 3D Map with C# from lines.

  - by VOX

  I'm developing a turn-by-turn navigation software for Windows Mobile using C# and .NET CF. I'm able to draw a 2D maps by drawing lines. My problem is I would like to get a 2.5D map like in the picture. I tried non-affine transformation on the 2D rendered image but it is too slow for the Windows Mobile device we are targeting. Could anyone give me a clue on my problem? example image

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• Game engine like Unity 3D that allow me to use .NET code

  - by Pking

  I've been looking at Unity 3D for developing a 3D PC game and I really like the scene editor and how it simplifies the process of constructing 3D scenes, managing assets, animations, transitions etc. However, I don't want to restrict myself to using the Unity 3D scripts for handling every bit of game logic in the game. E.g. If I want to construct a RPG dialogue system I don't want to do it with unity 3d scripts - I'd like to use C#/.net. Also, I might want to use e.g. windows azure and sql azure as backend, and use 3rd party .net libraries such as reactive-extensions etc. Is there a .net engine out there that helps me with asset loading, animations, physics, transitions, etc. with a scene editor, but allow me to plug it into a visual studio .net project? Thanks

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• Are Intel HD 4000 graphics supported on Ubuntu 10.04 LTS?

  - by user1118764

  I have an intel Core i7-3700 system with Intel HD 4000 integrated graphics with a dual monitor setup (1 connected via VGA, the other via DVI) on Ubuntu 10.04 LTS 64bit. I'm trying to get my monitors correctly detected. Right now, in only 1 unknown monitor is detected with a max resolution of 1280x1024, which is lower than my main monitor connected to DVI. Also, the desktop is mirrored rather than extended. I've previously managed to get a Core i5-2400 system with Intel HD 3000 integrated graphics with the same dual monitor setup and Ubuntu 10.04 LTS 64bit to work using the glasen ppa drivers, but this time, after installing them following the instructions How do I install the Intel HD 3000 video driver? but it doesn't seem to work. Does the Intel HD 4000 require a different driver from the 3000? If so, where can I get it?

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• Can I get some advice on graphics cards please?

  - by Victor9098

  I know that Steam for linux is on the way and have been seen a lot of games appearing in the Ubuntu Software Centre of late but my system lacks a decent graphics card and was hoping I could get some recommendations. The desktop is a Packard Bell Imedia S1800 (or Imedia D3526 UK) with the following specs; Memory: 3.8 GiB Processor: Pentium(R) Dual-Core CPU E5800 @ 3.20GHz × 2 The system lists the graphics as 'unknown', though I think its just an integrated Intel card From what I can see there is a free PCI-E x16 slot. Any advice would be great, thanks!

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• Do I need to buy a graphics card with openGL? [closed]

  - by Greb

  I'm building my own computer right now, and I've found a very good combo deal on a graphics card with monitors. I will be using mostly Linux of course, but I'd like to be able to do some windows work as well. I will do some gaming, but mostly just graphical design with blender. So how important is it that my graphics card supports openGL? This is the deal i'm looking at: http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.636041 Sorry if this isn't the correct forum for this. Please let me know if you know of someplace better I could ask this.

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• Projecting a 3D point to 2D screen coordinate OpenTK

  - by sinsro

  Using Monotouch and OpenTK I am trying to get the screen coordinate of one 3D point. I have my world view projection matrix set up, and OpenGL makes sense of it and projects my 3D model perfectly, but how to use the same matrix to project just one point from 2D to 3D? I thought I could simply use: Vector3.Transform(ref input3Dpos, ref matWorldViewProjection, out projected2Dpos); Then have the projected screen coordinate in projected2DPos. But the resulting Vector4 does not seem to represent the proper projected screen coordinate. And I do not know how to calculate it from there on.

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• Unable to create suitable graphics device?

  - by kraze

  I've been following the Eye of the Dragon tutorial, which is basicly a guide to making a 2D RPG game, obviously. I recently finished the tutorial about making pop up screens in the menu and changed the screen to load as a full screen. Whenever I try and load the game it just goes black and my mouse sits there. I cannot change out of it other then with CtrlAltDel. Once i do that it says No suitable graphics card found, unable to create graphics device. I read somewhere about XNA not allowing more then one screen when any one of them is full screen. but it wasnt very informative. Anyone have any ideas whats going on and/or how to fix this? Just incase if this helps this is the code for the graphics device: public Game1() { graphics = new GraphicsDeviceManager(this); graphics.PreferredBackBufferWidth = 900; graphics.PreferredBackBufferHeight = 768; graphics.IsFullScreen = true; this.Window.Title = "Eyes of the Dragon"; Content.RootDirectory = "Content"; }

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• Subdividing 3D mesh into arbitrarily sized pieces

  - by Groky

  I have a mesh defined by 4 points in 3D space. I need an algorithm which will subdivide that mesh into subdivisions of an arbitrary horizontal and vertical size. If the subdivision size isn't an exact divisor of the mesh size, the edge pieces will be smaller. All of the subdivision algorithms I've found only subdivide meshes into exact powers of 2. Does anyone know of one that can do what I want? Failing that, my thoughts about a possible implementation is to rotate the mesh so that it is flat on the Z axis, subdivide in 2D and then translate back into 3D. That's because my mind finds 3D hard ;) Any better suggestions? Using C# if that makes any difference.

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