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• OpenGL Video RAM Limits

  - by Tamir

  I have been trying to make a Cross-platform 2D Online Game, and my maps are made of tiles. My tileset, which I render the tiles from, is quite huge. I wanted to know how can I disable hardware rendering, or at least making it more capable. Hence, I wanted to know what are the basic limits of the video ram, as far as I know, Direct3D has a texture…

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• Simulating graphing paper on iPhone

  - by Rick

  I need to implement 'graphing paper' in an iPhone app. The user should be presented with a grid. They user can touch individual squares to turn them on, or if they're already on, off.The user can pinch to zoom and scroll around the paper as well.. So far I'm thinking Quartz 2D + UIScrollView is the way to do this but these are both areas of…

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• dynamic memory for 2D char array

  - by Ankur

  I have declared an array char **arr; How to initialize the memory for the 2D char array.

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• 2D Array values frequency

  - by Morano88

  If I have a 2D array that is arranged as follows : String X[][] = new String [][] {{"127.0.0.9", "60", "75000","UDP", "Good"}, {"127.0.0.8", "75", "75000","TCP", "Bad"}, {"127.0.0.9", "75", "70000","UDP", "Good"}, {"127.0.0.1", "", "70000","UDP", "Good"}, …

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• Resources needed: Sort 2D array "graphically"

  - by aw

  I have a 2D array 1 2 3 4 5 6 7 8 9 and want to sort it like this Snake 1 2 3 8 9 4 7 6 5 Snake (different) 1 2 3 6 5 4 7 8 9 Rotated 1 4 7 2 5 8 3 6 9 Wipe (diagonal) 1 3 6 2 5 8 4 7 9 Well, you got it, all kinds of sorting. Searching the interweb for hours now. Any resources (specific language or pseudo code) on that greatly…

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• Does computer graphics have a practic use besides games/movies/pictures ?

  - by HJ-INCPP

  Hello, I am learning Computer Graphics at the university and I'm trying to figure out the use of it ... and I fail. Only games and movies stick in to my mind, I'm sure there are other uses for, let's say, graphic algorithms, openGL, 2D and 3D, 3ds Max ... Is it useful later on ? Where do I need it ? Thank you

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• Is there any algorithm for determining 3d position in such case? (images below)

  - by Ole Jak

  So first of all I have such image (and ofcourse I have all points coordinates in 2d so I can regenerate lines and check where they cross each other) But hey, I have another Image of same lines (I know thay are same) and new coords of my points like on this image So... now Having points (coords) on first image, How can I determin…

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• Good ways to map a 2D side shooter (somewhat like liero, or soldat)

  - by Blaze

  I'm wondering what way would be best to render a 2D map for a shooter (these will be static maps) similar to Soldat. Multiple options I've considered are a tile based map (stored in txt files), or just creating different classes for the different terrains I plan to use and creating a data structure to read/store them in a file. (I want…

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• Detection of Triangle Collision in 2D Space

  - by SpikeX

  How can I programatically detect whether or not two triangles touch each other, given their vertices on a 2D coordinate plane? This includes touching points or edges, as well as if one triangle is completely "inside" the other one.

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• Direct 2D gnuplot PNG animation?

  - by Xepoch

  Can anyone please confirm that yes/no Gnuplot 4.5 (on CVS) can output 2D animated PNG files? I have numerous datasets but one line that I'd like to show iteratively in 3 different places in my graph. Can this be done directly from gnuplot or is this something that would need to be animated externally from multiple frames?

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• Printing a 2D array in C

  - by wello horld

  how would I print a 2d array in c using scanf for user input, array called grid[ ][ ] and a for loop? say if the user types in 3 5, the output will be: ..... ..... .....

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• QR code - where can I find (free) code to embed my own generator on a web page?

  - by Robbert Huisman

  Hi, couldn't find it exactly from earlier questions, but I am probably repeating an earlier question, so apologies upfront ;-) I am looking for a simple code to embed a QR 2D code generator on a website I am building. I assume their should be some free open source code for that but I could only find paid software. Can anyone point me…

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• Code to extrude 2d geometry to 3d

  - by Bgnt44

  Hi, is there any simple way to extrude a 2d geomtry (vectors ) to a 3d shape assuming extruding parameter are lenght (double) and angle (degree) so it should render like a cone ( all z lines going to one point )

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• OpenGL 2D editor ?

  - by Fevos

  I want to draw different 2D objects in OpenGL for example a path/Road ,is there any program i could draw them using a GUI then transfer them to points so i could use them in my program ?

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• How to create 2D jagged array

  - by Ram

  In my code an array is declared as follows private Object[,] cellInfos = new Object[20, 10]; I need to convert it into Jagged array so I wrote following code private Object[][] cellInfos = { new Object[20], new Object[10] }; But it gave me a array with 2…

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• Android java assigning 2d array to 3d array

  - by semajhan

  I'm running into problems trying to assign a 2d array to a 3d array, so I thought i'd ask a question about 3d and 2d arrays. Say I have a masterArray[][][] and wanted to put childArray1[][] and childArray2[][] into it. This is how I have done it and was wondering if that is the correct way of applying it: private int[][][]…

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• 2D animations for Android, IOS, web

  - by David Phillips

  Working on Windows 7 platform, I'm interested in creating an app that could run on Android devices (phone or tablet), IOS devices (iPhone, iPad), and the web. First target would be Android. Do you remember those old Arthur Murray footstep diagrams to teach dancing? I want to do the same thing, but animate the steps, so the…

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• My Apache access log contains weird GET and POST requests, what can I do?

  - by Konstantin

  My Apache access log contains weird GET and POST requests, is it possible to examine which of these are harmful? For example: 114.232.151.185 - - [11/Jun/2014:20:11:33 +0200] "GET http://hotel.qunar.com/render/hoteldiv.jsp?&__jscallback=XQScript_4 HTTP/1.1" 404 1167 103.30.175.10 - - [12/Jun/2014:08:35:17 +0200] "GET…

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• Is it a good plan to use 2D physics for a 3D racing game?

  - by user3195897

  I am working on a 3D racing game using SDL and OpenGL. I thought it would be easier to use a 2D physics engine, since I really don't need the 3rd dimension. There will be no flying cars or jumps, they will just be stuck to the floor, so I would use 2D colliders and that things to simulate collisions in a plane but render…

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• Le moteur de jeux Unity arrive en version 4.3 et apporte un ensemble d'outils pour créer facilement des jeux 2D

  Le moteur de jeux Unity arrive en version 4.3 Cette version apporte un ensemble d'outil facilitant la création de jeux 2DPresque quatre mois après la version 4.2, l'équipe de développement d'Unity nous propose une nouvelle version du moteur de jeux.De nouveaux outils pour des jeux 2DComme cela avait été annoncé, cette…

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• How can I draw on JPanel using another quadrant for the coordinates?

  - by Sanoj

  I would like to draw some shapes on a JPanel by overriding paintComponent. I would like to be able to pan and zoom. Panning and zooming is easy to do with AffineTransform and the setTransform method on the Graphics2D object. After doing that I can easyli draw the shapes with g2.draw(myShape) The shapes are defined…

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• Why do bind1st and bind2nd require constant function objects?

  - by rlbond

  So, I was writing a C++ program which would allow me to take control of the entire world. I was all done writing the final translation unit, but I got an error: error C3848: expression having type 'const `anonymous-namespace'::ElementAccumulator<T,BinaryFunction>' would lose some const-volatile qualifiers…

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• How can I create an Assembly program WITHOUT using libraries?

  - by Newbie

  Hello. I've literally only just started looking to learn Assembly language. I'm using the NASM assembler on Windows Vista. Usually, when I begin to learn a new language, I'll copy someone else's Hello World code and try to understand it line-by-line. However, I'm finding it suprisingy difficult to find a…

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• GNUPLOT: 2d histogram from set of points.

  - by Arman

  Hello, I have a pairs of the points with their weights: #x y w 0.111342 0.478917 0.232487 0.398107 1.79559 0.221714 0.200731 2.58651 0.0776068 0.0967412 1.49904 0.0645355 6.17638 8.63101 0.715604 0.306128 3.10917 0.0984595 0.340707 3.19344 0.10669 7.18627 8.59859 0.835751 8.56 9.63894 0.888065 …

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• Horizontal lines and PDF drawing on iPhone/iPad Quartz 2D

  - by aron

  I'm trying to display a PDF of music using the Quartz 2D calls: CGPDFDocumentGetPage and CGPDFPageGetDrawingTransform The problem is that some horizontal lines in the PDF get drawn thicker than others. The biggest problem is that I notice this in Preview on the Mac and on iPhone/iPad. Even when viewing…

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