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• Colour instead of color?

  - by Jookia

  I'm working on a game engine in C++ and I have methods like setColour and things that use british grammar. While I was thinking how C++ compilers mostly use the english language (correct me if I'm wrong) and how most APIs use american grammar, should I go with the flow and continue the unofficial standard in the grammar programmer high council or be a rebel? I'm not sure which.

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• Coordinates in distorted grid

  - by Carsten

  I have a grid in a 2D system like the one in the before image where all points A,B,C,D,A',B',C',D' are given (meaning I know the respective x- and y-coordinates). I need to calculate the x- and y-coordinates of A(new), B(new), C(new) and D(new) when the grid is distorted (so that A' is moved to A'(new), B' is moved to B'(new), C' is moved to C'(new) and D' is moved to D'(new)). The distortion happens in a way in which the lines of the grid are each divided into sub-lines of equal length (meaning for example that AB is divided into 5 parts of the equal length |AB|/5 and A(new)B(new) is divided into 5 parts of the equal length |A(new)B(new)|/5). The distortion is done with the DistortImage class of the Sandy 3D Flash engine. (My practical task is to distort an image using this class where the handles are not positioned at the corners of the image like in this demo but somewhere within it).

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• How do you stream text to an IRC Channel

  - by Matt

  Hi, does anyone know how you go about streaming text to a IRC server? I have a game server, and i'd like to stream the chat to IRC. I can get the chat as a string within a C# program.. Anyone know how to do this? Or a good resource to look at? Cheers

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• Finding coordinates of a point between two points?

  - by Nicros

  Doing some 3D stuff in wpf- want to use a simpler test to see if everything is working (before moving to curves). The basic question is given two points x1,y1,z1 and x2,y2,z2 I have calculated the distance between the points. But how to find the coordinates of another point (x3,y3,z3) that lies on that line at some distance? I.e. if my line is 100 long between -50,0,0 and 50,0,0 what are the coordinates of the point at 100 * 0.1 along the line? I think this is a simple formula but I haven't found it yet....

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• How to connect an existing strongly-typed data set to a different server at run time?

  - by Kiril

  I am coding a simple space empire management game in Visual C# 2008, which relies on connecting to a remote SQL server database to get/store data. I would like the user to be able to connect to a user-specified SQL server from the login screen(he specifies IP address, port, database name, ID, password and presses "connect" button). However, I found out that the Dataset connection string property is read only and cannot be changed. Is there any way to guide the wizard-generated DataSet to a user-specified server at run time?

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• How to add items rows to a listview WPF and VB.net

  - by leviatan1001

  Im getting crazy with it. It is so easy in windows form, but in wpf it seems to be different. Every example i find is in C# and i cant addapt it. Well, this is the code i have. Atm, i have just defined the columns: 'diseño de las columnas Dim item As ListViewItem = New ListViewItem Dim Mi_Lista As GridView = New GridView Mi_Lista.AllowsColumnReorder = True Dim cine As New GridViewColumn() Dim Si3d As New GridViewColumn cine.Header = "Cine" cine.DisplayMemberBinding = New Binding("Cine") Si3d.DisplayMemberBinding = New Binding("si3D") cine.Width = 140 Si3d.Header = "3D" Si3d.Width = 50 Mi_Lista.Columns.Add(cine) Mi_Lista.Columns.Add(Si3d) Thanks in advance.

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• Double encoded url being fully decoded in ASP.NET

  - by Brad R

  I have just come across something that is quite strange and yet I haven't found any mention on the interwebs of others having the same problem. If I hit my ASP.NET application with a double encoded url then the Request["myQueryParam"] will do a double decode of the query for me. This is not desirable as I have double encoded my query string for a good reason. Can others confirm I'm not doing something obviously wrong, and why this would happen. A solution to prevent it, without doing some nasty query string parsing, would be great too! As an example if you hit the url: http://localhost/MyApp?originalUrl=http%3a%2f%2flocalhost%2fAction%2fRedirect%3fUrl%3d%252fsomeUrl%253futm_medium%253dabc%2526utm_source%253dabc%2526utm_campaign%253dabc (For reference %25 is the % symbol) Then look at the Request["originalUrl"] (page or controller) the string returned is: http://localhost/Action/Redirect?Url=/someUrl?utm_medium=abc&utm_source=abc&utm_campaign=abc I would expect: http://localhost/Action/Redirect?Url=%2fsomeUrl%3futm_medium%3dabc%26utm_source%3dabc%26utm_campaign%3dabc I have also checked in Fiddler and the URL is being passed to the server correctly (one possible culprit could have been the browser decoding the URL before sending).

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• About MPMusicPlayerController and does AVAudioPlayer works in iPhoneSimulator?

  - by Hlung

  From http://stackoverflow.com/questions/2111866/iphone-can-i-do-audioservicesplaysystemsound-looping-with-scheduler MPMusicPlayerController doesn't work because it is about iPod music library and I can't add a music file to it since I'm doing an iPhone game and not interacting with the outside iPod library. Does AVAudioPlayer works in iPhoneSimulator?

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• Does Box2d work on Xbox?

  - by Rosarch

  I'm developing a game in XNA. It would be nice for it to be compatible with Xbox. Does Box2d work on Xbox? Is there some way to include any third party libraries I use?

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• [OpenGL] I'm having an issue to use GLshort for representing Vertex, and Normal.

  - by Xylopia

  As my project gets close to optimization stage, I notice that reducing Vertex Metadata could vastly improve the performance of 3D rendering. Eventually, I've dearly searched around and have found following advices from stackoverflow. Using GL_SHORT instead of GL_FLOAT in an OpenGL ES vertex array How do you represent a normal or texture coordinate using GLshorts? Advice on speeding up OpenGL ES 1.1 on the iPhone Simple experiments show that switching from "FLOAT" to "SHORT" for vertex and normal isn't tough, but what troubles me is when you're to scale back verticies to their original size (with glScalef), normals are multiplied by the reciprocal of the scale. Then how do you use "short" for both vertex and normal at the same time? I've been trying this and that for about a full day, but I could only go for "float vertex w/ byte normal" or "short vertex w/ float normal" so far. Your help would be truly appreciated.

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• Quartz2d vector images vs OpenGL vector description?

  - by tbarbe

  How big of a difference is the description language of Quartz2d to OpenGL ES? It seems they are similar in description power... except that Quartz is mostly 2d and that OpenGL is out of the box 3d ( but can be made 2d focused ). Are the mappings from 2dQuartz to 2d OpenGL ES that different? Im sure there must be differences in some specific features that might be handled differently on one vs another... but to do a translator? Anyone have experience with both OpenGL and Quartz2d have some insights?

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• Merge overlapping triangles into a polygon

  - by nornagon

  I've got a bunch of overlapping triangles from a 3D model projected into a 2D plane. I need to merge each island of touching triangles into a closed, non-convex polygon. The resultant polygons shouldn't have any holes in them (since the source data doesn't). Many of the source triangles share (floating point identical) edges with other triangles in the source data. What's the easiest way to do this? Performance isn't particularly important, since this will be done at design time.

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• How to search on project hosting sites

  - by Stan

  Say I want to look for open source iphone/Android tower defense game on sourceforge/google code/git hub. Directly searching by these keywords seems not easily getting desired result. Is there any way to search project on these sites? Thanks.

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• PHP Verification Codes CAPTCHA

  - by Juddling

  I run a game website so I have many users logged in and they can do certain things once every two minutes. I have a CAPTCHA system in places, and for some things it will always ask for a code, and for other things, it will ask once every 10 minutes. I have had some players use the auto submit feature on Opera, and my CAPTCHA system does stop them. My question is, how can I minimise the amount of times I am asking for a code, but still stop people using this auto-submit?

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• How do I determine which C/C++ compiler to use?

  - by Adam Siddhi

  Greetings, I am trying to figure out which C/C++ compiler to use. I found this list of C/C++ compilers at Wikipedia: http://en.wikipedia.org/wiki/List_of_compilers#C.2FC.2B.2B_compilers I am fairly certain that I want to go with an open source compiler. I feel that if it is open source then it will be a more complete compiler since many programmer perspectives are used to make it better. Please tell me if you disagree. I should mention that I plan on learning C/C++ mainly to program 2D/3D game applications that will be compatible with Windows, Linux, MAC and iPhone operating systems. I am currently using Windows Vista x64 OS. Thanks, Adam

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• Graphics/Vision Interesting Topics

  - by Myx

  Hello: I would like to do an interesting project for a computer graphics course. I know that there is a lot of literature out there (i.e. SIGGRAPH conference papers). I have a very large range of interest with regard to computer graphics (i.e. image processing, 3D modeling, rendering, animation). However, I've only taken computer vision/graphics for 2 semesters and thus don't have too much background experience, except for the class projects that I had to do. I've been looking through SIGGRAPH papers trying to see if there is anything that will be of interest to me but the literature is extremely vast. I was wondering if anyone has any topic suggestions, anything interesting that you ran across that you could recommend. I would prefer to do something fun yet slightly challenging (not really interested in making a shooter game). If this question does not belong here, I apologize and please let me know where I should move it. Thanks!

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• Snake App on Xcode

  - by Will Rose

  How do I make one square on a screen lead about 6 with more to be added as the game progresses and how do I control the direction of the lead square with buttons? I basically want to know how to make a "Snake" app for the iPhone, iPod and iPad Please answer!!!!!!

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• How can i simulate a slow network connection

  - by pilot-riaz

  Hi, I have a Bet Server which sends bet data to a game terminal I would like to simulate a slow network connection. i want the network to be really busy, heavily loaded so i can see how the bet server performs and if it times out when there is a heavy load on the network. Are there any tools i can use to do this? Thanks for any help. Regards, Riaz

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• How to delay my AI move

  - by Mythili

  I am doing a game like chess. As soon my player move is completed(if he starts move from one place to another), my AI move is started (before my player reaching his destination ). Sometimes i find difficult which AI coin is moved now. how to delay it.

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• Getting shortest path between 2 nodes

  - by Xtapodi

  Hello, i want to ask if there is any way to generate the shortest path from node A to node B without generating the shortest paths to all the other nodes (stop when node B is in the examined set) with A-star in QuickGraph. I want to plug QuickGraph into a game and thus generating all the paths is not allowed from the time limitations the environment imposes. Any other suggestions to solve my problem in C# are welcome Thanks in advance, Xtapodi

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• C# Drawing Oracle Spatial Geometries

  - by Keeper

  I need to create a simple app which can display geometries from Oracle Spatial in C#. These geometries are exported from AutoCAD Map 3D 2010 to Oracle Spatial. I need to pan, zoom, manage layers of these objects, events (like right click to popup a contextual menu, potentially different for every object), creating/deleting points (maybe also other polygons): a sort of simple AutoCAD interface. Should I look for an AutoCAD OEM license? Is there a drawing framework which can handle this or do I need to create my own?

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• View Animation (Resizing a Ball)

  - by user270811

  hi, i am trying to do this: 1) user long touches the screen, 2) a circle/ball pops up (centered around the user's finger) and grows in size as long as the user is touching the screen 3) once the user lets go of the finger, the ball (now in its final size) will bounce around. i think i have the bouncing around figure out from the DivideAndConquer example, but i am not sure how to animate the ball's growth. i looked at various view flipper examples such as this: http://www.inter-fuser.com/2009/08/android-animations-3d-flip.html but it seems like view flipper is best for swapping two static pictures. i wasn't able to find a good view animator example other than the flippers. also, i would prefer to use images as opposed to just a circle. can someone point me in the right direction? thanks.

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• avoid viewstate when post using jquery

  - by nisardotnet

  how can i avoid or rather not send viewstate when i post from jquery? i try to put on the .aspx EnableViewState="false" but has no effect... here is how iam posting my page: var json = "{'firstname':'" + escape(firstname.val()) + "','surname':'" + surname.val() + "','day_fi':'" + day_fi.val() + "'}"; var ajaxPage = "wizard_data_process.aspx?returnId=0"; var options = { type: "POST", url: ajaxPage, data: json, contentType: "application/json;charset=utf-8", dataType: "json", async: false, success: function(response) { //alert("success: " + response); }, error: function(msg) { //alert("failed: " + msg); } }; any help? Data sent to the server : _EVENTTARGET=&_EVENTARGUMENT=&_VIEWSTATE=%2FwEPDwUKMTMyNDEzMjAzM2QYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgEFDGNieE5vTWlkTmFtZXiY9c%2FusiuXmmWoJcK9o1udk5EX&_EVENTVALIDATION=%2FwEWKAL9rv3PAgK5h62pDwKnq8goAo%2BUwaAKAp2VxakCAtyNr8EIAr%2Fiza4EAtKQxe0HAtKQ4e0HAoDiza4EAoTfzqgFAumw5MYJAt%2Bw5MYJAofGq70JArr1ub4HAuKw5MYJAqfRtpcOArS3qtYNAtfYgLgBAu7YgLgBAu%2Bnq4AOAr2l1I8JAoz6iM8PAv2zgs4HAuXbmvMCAum1prUBApuktpcOApXyjvkGAuWixvECApSOke8IAt%2F1gtUKAsK1%2BeEBArKpwL0FAvfnuc0BAtb3964NAq%2Bm6rYIAvK94JEPAqCg9ZcMApmw76wEAsSXxu0O%2B%2F2DDTg9otIrNrwvY0ugwxYyULA%3D&txtFirstName=asdf&txtMiddleName=&txtLastName=&ddlSalutation=&ddlSuffix=&txtEmailAddress=&ddlGender=&txtDateOfBirth=&MaskedEditExtender1_ClientState=&ddlCountryOfBirth=&CascadingDropDown1_ClientState=%3A%3A%3A&ddlStateOfBirth=&CascadingDropDown2_ClientState=%3A%3A%3A&txtCityofBirth=&day_fi=DD&month_fi=MM&year_fi=YYYY&lastFour_fi=XXXX&countryPrefix_fi=%2B358&areaCode_fi=&phoneNumber_fi=&email_fi=nisarkhan%40hotmail.com&username=&password=&retypePassword=&hiddenInputToUpdateATBuffer_CommonToolkitScripts=0

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• Is there a standard practice for synchronizing SQL Server tables?

  - by EngineeringAutomation

  I've written an application that retrieves pricing and part options from a SQL database to generate a 3D Model of the product and create a sales proposal. My client likes it so much they want to be able to use it on laptops in the field now. The catch is, they won't have an internet connection. I'm considering setting up a SQLite database as part of the standard installation. The SQLite database on each laptop will synchronize with the main database when the internet connection is re-established. Are there best practices regarding synchronizing SQL tables like this? Are there any pitfalls I should consider? I'm open to all options. Thank you.

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• How do i pack multiple rectangles in a 2d box tetris style

  - by mglmnc

  I have a number of rectangles of various widths and heights. I have a larger rectangular platform to put them on. I want to pack them on one side of the platform so they spread in the lengthwise (X) dimension but keep the widthwise (Y) dimension to a minimal. That is to place them like a tetris game. There can be no overlaps but there can be gaps. Is there an algorithm out there to do this?

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