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  • XNA Seeing through heightmap problem

    - by Jesse Emond
    I've recently started learning how to program in 3D with XNA and I've been trying to implement a Terrain3D class(a very simple height map). I've managed to draw a simple terrain, but I'm getting a weird bug where I can see through the terrain. This bug happens when I'm looking through a hill from the map. Here is a picture of what happens: I was wondering if this is a common mistake for starters and if any of you ever experienced the same problem and could tell me what I'm doing wrong. If it's not such an obvious problem, here is my Draw method: public override void Draw() { Parent.Engine.SpriteBatch.Begin(SpriteBlendMode.None, SpriteSortMode.Immediate, SaveStateMode.SaveState); Camera3D cam = (Camera3D)Parent.Engine.Services.GetService(typeof(Camera3D)); if (cam == null) throw new Exception("Camera3D couldn't be found. Drawing a 3D terrain requires a 3D camera."); float triangleCount = indices.Length / 3f; basicEffect.Begin(); basicEffect.World = worldMatrix; basicEffect.View = cam.ViewMatrix; basicEffect.Projection = cam.ProjectionMatrix; basicEffect.VertexColorEnabled = true; Parent.Engine.GraphicsDevice.VertexDeclaration = new VertexDeclaration( Parent.Engine.GraphicsDevice, VertexPositionColor.VertexElements); foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes) { pass.Begin(); Parent.Engine.GraphicsDevice.Vertices[0].SetSource(vertexBuffer, 0, VertexPositionColor.SizeInBytes); Parent.Engine.GraphicsDevice.Indices = indexBuffer; Parent.Engine.GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, vertices.Length, 0, (int)triangleCount); pass.End(); } basicEffect.End(); Parent.Engine.SpriteBatch.End(); } Parent is just a property holding the screen that the component belongs to. Engine is a property of that parent screen holding the engine that it belongs to. If I should post more code(like the initialization code), then just leave a comment and I will.

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  • PHP+AJAX with MySQL - Query every 2 seconds, too many in TIME_WAIT

    - by Ryan
    I have a basic HTML file, using jQuery's ajax, that is connecting to my polling.php script every 2 seconds. The polling.php simply connections to mysql, checks for ID's newer than my hidden, stored current ID, and then echo's if there is anything new. Since the javascript is connecting every 2 seconds, I am getting thousands of connections in TIME_WAIT, just for my client. This is because my script is re-connecting to MySQL over and over again. I have tried mysql_pconnect but it didn't help any. Is there any way I can get PHP to open 1 connection, and continue to query using it? Instead of reconnecting every single time and making all these TIME_WAIT connections. Unsure what to do here to make this work properly.

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  • VS 2010, Silverlight, WP 7, Azure, F#, jQuery & more take Center Stage at India's Definitive Microso

    Microsoft has announced a slew of new and exciting releases that will help you take your code to the next level in 2010. As one of the longest running independent developer conferences in India, GIDS.NET at the Great Indian Developer Summit 2010 is uniquely positioned to provide a blend of practical, pragmatic and immediately applicable knowledge and a glimpse of the future of technology. At GIDS.NET, 0n 20 April 2010 in Bangalore, expert speakers will address a wide range of topics, including .NET...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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  • Passing additional parameters to JQuery bind event function

    - by kazim sardar mehdi
    To pass the additional parameter to the event function pass an array of key value, as the second parameter to the bind event bind('click', { message: time }, onClick); e.g { message: time } and access it in the function using event(function parameter).data.message(key)   <div id="div1" style="border: 1px solid black; width: 100px; height: 100px">click me</div> <script type="text/javascript"> function onClick(event) { alert(event.data.message); } var time = "loaded at:" + new Date().toString(); $("div.#div1").bind('click', { message: time }, onClick); </script>

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  • Une image map avec des infobulles CSS3 et jQuery, par Catalin Rosu traduit par Didier Mouronval

    Les infobulles peuvent jouer un rôle important dans l'ergonomie de votre site, ceci n'est nouveau pour personne. Il faut juste les utiliser correctement pour améliorer l'expérience utilisateur de vos visiteurs. Nous avons déjà vu comment créer de belles infobulles en CSS3, aujourd'hui, nous allons voir comment les utiliser sur une image avec des zones réactives comprenant des repères et des infobulles.

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  • Google Mini Search Does Not Return Results

    - by James Lawruk
    I pointed the Google Mini to a small intranet site. (8 simple HTML pages) It crawls all 8 pages just fine, but a simple search with a word clearing contained within the body of the pages returns 0 results. If I enter a search like this: "site:mysite.net", it returns all 8 pages. If I enter a search with a word contained in a Url, it will return that Url. In the search results, only the Url is returned in the list items. There is no Page Title or blurb text you normally see in Google search results. It's as if it is only indexing the Url and skipping the page title, body, etc. I have an old software Version 3.4.14, but I wanted to try to get this thing working without an upgrade. It worked before for another domain, so why would it not work now. Any ideas?

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  • prevent search engines indexing depending on domain

    - by Javier
    We have a dedicated server with a hosting company with a couple of dozens of webs in it. It happens that the nameservers (EG: ns1.domain.com, ns2.domain.com) ip's are coincident with some client webs, let's say webclient1.com and webclient2.com Problem is that for a certain searches in google, some results are showing up like ns1.domain.com/result instead of webclient1.com/result which is pretty wrong and annoying for our clients. Actually if you type in the browser ns1.domain.com or ns2.domain.com it will load some pageclients instead. Is there any way to prevent google to track those results only in case the robots are coming to check ns domains? It may be not correct to ask this as well, but why is it happening? is it a result of a bad server configuration? I'm pretty new on these matters, so thank you in advance for any help!

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  • Using JQuery to set create a flexible 3 column layout with Divs

    - by Chris Hammond
    This evening I was working on creating a Full Width skin for http://www.sccaforums.com/ , the current skin is at a fixed width, which doesn’t work very well for an active Forum when you have a browser with a high resolution. (The site runs on DotNetNuke , so this post will feature examples for DotNetNuke, but the code is applicable to any HTML pages) Basically I wanted a three column layout, and depending on if there was content in the Left and Right columns, I wanted them to not display at all,...(read more)

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  • Are there any preexisting maps for a Minecraft-like level I could use in my engine?

    - by Rishav Sharan
    I am working on a tiny cube-based engine like Minecraft. I was wondering if there is a way for me to get large blocky terrain in a text format that I can use for rendering on my engine? I don't want to start on procedural generation now, I just want a resource where I can get the coord list for a pretty looking terrain. Alternatively, is it possible for me to parse the Minecraft world files and use that data to generate terrain/buildings in my code?

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  • Disable pasting in a textbox using jQuery

    - by Michel Grootjans
    I had fun writing this one My current client asked me to allow users to paste text into textboxes/textareas, but that the pasted text should be cleaned from '<...>' tags. Here's what we came up with: $(":input").bind('paste', function(e) { var el = $(this); setTimeout(function() { var text = $(el).val(); $(el).val(text.replace(/<(.*?)>/gi, '')); }, 100); }) ; This is so simple, I'm amazed. The first part just binds a function to the paste operation applied to any input  declared on the page. $(":input").bind('paste', function(e) {...}); In the first line, I just capture the element. Then wait for 100ms setTimeout(function() {....}, 100); then get the actual value from the textbox, and replace it with a regular expression that basically means replace everything that looks like '<{0}>' with ''. gi at the end are regex arguments in javascript. /<(.*?)>/gi

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  • I'm looking to learn how to apply traditional animation techniques to my graphics engine - are there any tutorials or online-resources that can help?

    - by blueberryfields
    There are many traditional animation techniques - such as blurring of motion, motion along an elliptical curve rather than a straight line, counter-motion before beginning of movement - which help with creating the appearance of a realistic 3D animated character. I'm looking to incorporate tools and short cuts for some of these into my graphics engine, to make it easier for my end users to use these techniques in their animations. Is there a good resource listing the techniques and the principles behind them, especially how they might apply to a graphics engine or 3D animation?

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  • Which is preferable? To know jQuery well, or to know JavaScript well? [closed]

    - by Marwan
    I'm quite familiar with using jQuery, but I've come to feel like a bit of a dummy using it, as my knowledge of JavaScript itself is rather poor. So I'm considering abandoning jQuery and spending time working in straight JS... perhaps even creating my own framework as a learning experience. Does this make sense though? Is there any real point to obtaining more than a passing knowledge of JavaScript when jQuery allows me to accomplish so much, so quickly?

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  • Installing Apache Lucene for LAMP server

    - by Pawan
    I have Ubuntu running for LAMP (Linux, Apache, MySQL and PHP) server. To provide better search capability one of my friend recommended to install "Apache Lucene". While reading about it I came to know that "Apache Lucene" required tomcat and java to run. Please let me know if it be feasible to have it or there are other better alternates for LAMP stack. I am looking for some proven solution. Thanks :)

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  • Ubuntu 11.10 crashes all browsers often

    - by murat
    I have been using ubuntu 11.10 for 1 year,today it made me surprised. When I open google chrome it just closes itself. Firstly i thought that it is just for chrome and tried Firefox : It also closes itself and one thing more : I tried desktop programs such as image viewer it also closes itself.I restarted it but there is no changing.What can do this ? is it virus or another system problem ? I did not have any problem like this until today.. $ google-chrome (google-chrome:7064): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (google-chrome:7064): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (google-chrome:7064): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (google-chrome:7064): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", --2012-04-04 19:33:14-- https://clients2.google.com/cr/report Resolving clients2.google.com... 173.194.70.100, 173.194.70.101, 173.194.70.102, ... Connecting to clients2.google.com|173.194.70.100|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/html] 2012-04-04 19:33:19 (888 KB/s) - `/dev/fd/3' saved [16] (exe:7166): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (exe:7166): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (exe:7166): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (exe:7166): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", Moonlight: 3.99.0.3 Moonlight: Attempting to load libmoonloaderxpi (exe:7201): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (exe:7201): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (exe:7201): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", (exe:7201): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap", Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory Segmentation fault After trying to install libvdpau1 error is changed : google-chrome --2012-04-04 20:05:03-- https://clients2.google.com/cr/report Resolving clients2.google.com... 173.194.70.113, 173.194.70.138, 173.194.70.139, ... Connecting to clients2.google.com|173.194.70.113|:443... connected. HTTP request sent, awaiting response... Moonlight: 3.99.0.3 Moonlight: Attempting to load libmoonloaderxpi 200 OK Length: unspecified [text/html] Saving to: `/dev/fd/3' [<=> ] 0 --.-K/s f4c55117d1b4656e [ <= ] 16 --.-K/s in 0s 2012-04-04 20:05:12 (337 KB/s) - `/dev/fd/3' saved [16] Segmentation fault

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  • Visual Studio 2010 with jQuery and ASP.NET MVC 2

    Sorry about the missing links in the latest MSDN Flash editorial that I wrote! I posted it as it should have been linked up below: With the great launch of Visual Studio 2010 and Windows Azure last week I thought Id use this editorial to talk about some of the enhancements to the web development platform that is aligned to the new VS2010 release. ASP.NET 4 and Visual Studio 2010 includes lots of new features and improvements that enable you to easily build, deploy and manage great Web sites....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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  • Are One Way Links Still Important in Search Engine Optimization?

    Pretty dumb question huh? But people are beginning to wonder considering that Google might change its algorithms again. If you doubt it, do a quick search on the keyword "Google caffeine". This is the new Google search engine and so far, beta testers have stated that it is faster, provides more relevant search engine results and son. Anyways, whatever the case may be, it is important to note that one way links are important right now because the search engines have made them so.

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