XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

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Can you record raw sound data in XNA?

XNA 4 includes the Microsoft.Xna.Framework.Audio.Microphone class which can seemingly read the raw sound data off the microphone via its API as documented: GetData - Gets the latest recorded data ...
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Wave ripple effect?

I've been working on a tower-defense game for some time now, and so far I am really satisfied with the results. However, there's one thing I'd like to add. I've seen a video of GeoDefense for Windows ...
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Efficient Method of Rendering Massive Terrain in XNA

I'm creating an XNA game that requires a huge space for players. Currently, the test heightmap I'm using is 4096x4096, and is saved as a 4-bit BMP. What I'm trying to do is take that huge heightmap ...
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350 views

Fast lighting with multiple lights

How can I implement fast lighting with multiple lights? I don't want to restrain the player, he can place an unlimited number and possibly overlapping (point) lights into the level. The problem is ...
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What technique should I use to facilitate communication between XNA GameComponents (or between components of any type in a game)?

I'm starting out on my first 'proper' game project, and I've inevitably hit a block trying to decide how game components in XNA should communicate. From previous (Java) GUI programming events, ...
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Server-side Input

Currently in my game, the client is nothing but a renderer. When input state is changed, the client sends a packet to the server and moves the player as if it were processing the input, but the ...
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How do you do AI path following within a 2d physics engine like farseer/box2d?

I'm in the process of moving a 2d top down game I've been working on into a proper rigid body physics engine like Farseer. Up until now, I had just hacked together my own physics code where needed. ...
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How do I make a resolution independent system?

I'm blanking on this one. I can anchor stuff on edges of course, that would make my UI resolution independent...until it changes so much that the graphics are too small. How do I scale appropriately ...
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741 views

Rendering arbitrary text in XNA using Windows API?

In Andrew's comment on my other question, he noted that it was possible to render text to a Texture2D using the Windows API, instead of drawing the text directly with a SpriteBatch. How is this done? ...
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Why does Farseer 2.x store temporaries as members and not on the stack? (.NET)

UPDATE: This question refers to Farseer 2.x. The newer 3.x doesn't seem to do this. I'm using Farseer Physics Engine quite extensively at the moment, and I've noticed that it seems to store a lot of ...
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XNA stuttering at regular intervals

I'm trying to do hardware instancing but I'm hitting some strange performance problem. The average framerate is around 45, but it's extremely choppy. Windowed SynchronizeWithVerticalRetrace = false ...
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Pixel-perfect rendering to a rendertarget with a fullscreen quad

I have some trouble rendering a bunch of values to a rendertarget. The values never end up in the exact range I want them to. Basically I use a fullscreen quad and a pixel shader to render to my ...
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409 views

How can I incorporate physics into a procedurally generated world from a geometry shader?

Essentially I want to remove the need for generating coherent noise from the CPU to the GPU. From there, I also want to generate the terrain for a three dimensional world using this noise as densities ...
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418 views

Zune same features as WP7? (gesture, accelerometer)

We don't have zune HD in Canada (yet) just wondering if it has the same programmable features as WP7? Like gestures and accelerometer. Basically if I am just making a game, with screen controls ...
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470 views

How do I implement 2D shadows cast between layers?

How could I implement 2d shadows that are cast by objects in a different layer? NOT like the dynamic lighting in the well known tutorial from Catalin Zima : But like the shadows of the pipes in ...
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Map with 20 million tiles makes game run out of memory, how do I avoid it?

While loading extra huge maps, the loading method throws out of memory exception where a new instance of map tile is created. I'd like to have whole map processed at least on server app (and on client ...
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What are some good resources for creating a game engine in XNA? [closed]

I'm currently a student game programmer working on an indie project. We have a team of eleven people (five programmers, four artists, and two audio designers) aboard, all working hard to help design ...
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622 views

What should I do to prevent my monsters from walking off platforms?

I have a question that is driving me crazy because I think it should be fairly easy to find a tutorial on it. I'm currently using XNA and Farseer to create a simple platformer game. I'm about to be ...
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How do I make objects move along a path?

I'm trying to get something like the below image. As you can see, there's a highway and inside of it, there'll be some objects moving (millisecond). I guess the street behavior is like a pipeline. ...
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Random enemy placement on a 2d grid

I want to place my items and enemies randomly (or as randomly as possible). At the moment I use XNA's Random class to generate a number between 800 for X and 600 for Y. It feels like enemies spawn ...
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2answers
757 views

Function for sun movement?

So, given a sun sprite set at the horizon (x = 0, y = worldheight/2) I'm trying to devise a function to make the sun rise, then fall. The best way to do this would be the sin function, but I have no ...
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Vector3 vs. Vector2 - performance, usage?

I'm currently playing around with XNA, and creating a simple 2D platformer. I was thinking of adding multiple layers to make it a little bit of challenge. In stead of having a Vector2 for my ...
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Should I use Events in a XNA Game?

I created a button class which draw a button on the screen. When I click on it, I want to see something happening. In WinForm, I would simply use the event OnClick of the button. What about XNA? ...
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Curious Transparent Holes Render Artifact

So I'm trying to implement "smooth" terrain in my block engine by giving each surface block a heightmap. Basically, what I do to generate these "heightmaps" for each block is I generate the heights ...
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Shifting from XNA/C# to C++? [closed]

For a while now, I've been working with XNA for game design and development (although only for personal use ATM.) Overall, I'm a major fan of XNA itself, and it's overall "feel." However, due to the ...
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Can you write games for Rock Band or Guitar Hero controllers in XNA?

Can you use the XNA framework to write games for XBox Live Arcade that require Rock Band or Guitar Hero instruments?
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How can I simulate shattering glass?

I need to make a simulation with stone thrown through a glass window. How can I accomplish that? I mean, I was thinking about making a 3D model of a stone and glass in 3D Studio Max 2012, shatter the ...
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Microsoft XNA Platformer Example, is the Collsion Detection implemented accurately?

The example provided by Microsoft seems as if the collision detection (from what I can see) will have a small error. When the user collides with an Unpassable tile, the depth of the intersection is ...
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Moving a sprite in XNA/C#, using vectors

I'm currently looking into XNA game development with the C# language. I have two classes: the main game handler and a "sprite" class. Following is some basic pseudo-code which I hope adequately ...
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Eliminate delay between looping XNA songs?

I'm making a game with XNA and trying to get some background music to loop correctly. Because the file is an MP3 of about 30 seconds in length, I instantiated it as a Song. I want it to loop ...
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Physics for a 2.5D platformer with a plane that curves

I'm creating a 2.5D platformer in XNA which uses 3D models that are constrained to travelling along a 2D plane (just like Trine). To make things tricker, however, I want the 2D plane itself to be ...
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547 views

Can you develop a game in XNA only on Windows for the Xbox 360?

I'm going to start developing a game for the Xbox 360, its a small homebrew development and I don't have an Xbox 360 yet. Is it possible for me to develop the entire game targeting the XNA framework ...
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Is the XNA framework appropriate for server side programming?

I'm looking to create a text based MUD, so a lot of the elements of the XNA framework seem appropriate to what I need. Especially things like the general game loop, networking, etc. It looks like ...
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Reusable top-down collision class

I've recently picked up monogame and am working on a simple top down game to get me started and learn the basics. I've got the movement and the rotation to follow the mouse sorted out but I'm stuck ...
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What model file formats are supported in XNA?

What model extensions are valid in XNA? I know it supports .fbx, for example.
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How can I store all my level data in a single file instead of spread out over many files?

I am currently generating my level data, and saving to disk to ensure that any modifications done to the level are saved. I am storing "chunks" of 2048x2048 pixels into a file. Whenever the player ...
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Scale my pixel art files when designing them or when rendering?

If I create pixel art files that need to be scaled up on the screen later, so that a single pixel becomes a box of 4 pixels. Should I create my pixel art with 2x2 pixels or should I create it with 1x1 ...
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What is a good method for coloring textures based on a palette in XNA?

I've been trying to work on a game with the look of an 8-bit game using XNA, specifically using the NES as a guide. The NES has a very specific palette and each sprite can use up to 4 colors from ...
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Sprites rendering blurry with velocity

After adding velocity to my game, I feel like my textures are twitching. I thought it was just my eyes, until I finally captured it in a screenshot: The one on the left is what renders in my game; ...
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Decent Shader editor for Visual Studio

Is there a decent Effect file editor plugin for Visual Studio? I'm getting slightly frustrated with constantly copying and pasting from FX Composer.
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Managing multiple references of the same game entity in different places using IDs

I've seen great questions on similar topics, but none that addressed this particular method: Given that I have multiple collections of game entities in my [XNA Game Studio] game, with many entities ...
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How do I communicate with an IronPython component in a C#/XNA game?

My XNA game is component-oriented, and has various components for position, physics representation, rendering, etc, all of which extend a base Component class. The player and enemies also have ...
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Am I going to regret using a color based collision detection system?

I'm just getting started build my first game with XNA (I'm experienced with C# but not games). I'm building a pretty simple top down 2d shooter. I read this tutorial on using a color based collision ...
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How to get elapsed time of keypress?

I need to be able to determine how long a key has been held down with high accuracy. For example if they key tapped really fast it could report a time that is less than the time for each update frame. ...
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Load all content from folder

I want to ask, is there way to load in xna all content from folder ? For example in my content I have: Images/hero Images/car Images/tree I want to make something like this ...
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How to decompose sprite sheet

I have a lot of spritesheets that are poorly formatted that I want to decompose, or split out into many small images, one for each sprite. If I can do that, I can use my custom texture packer tool to ...
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How to use XNA in WPF?

How can I render some graphics using XNA to a widget/control in a WPF app? Specifically, I don't need any WPF controls inside the XNA graphics window, I just want to put some controls around it for a ...
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Keeping rotation between two objects

In my XNA game I have two objects that collide. When the first object collides with the other it is able to latch on to it and move it about the world. I am having a problem with the math here (Math ...
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Why does XNA's ContentManager follow generic type parameters for serialization purposes?

I've finally gotten to the bottom of a problem and am wondering what my best recourse is. In short, the problem is that XNA's ReflectiveReader reflects into generic type parameters, even if no ...
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Tiling Physics using Farseer

I'm having a problem with the Farseer Physics Engine, where in a tiled environment, my object will at times interact with corners of others objects, even if they align perfectly. I've read about ...