xna

How can I find the song position of a song being played with XACT?

So I'm making a game in XNA and I need to use XACT for my songs (rather than media player). I need to use XACT because each song will have multiple layers that combine when played at the same time (bass, lead, drums) etc. I cant use the media player because the media player can only play one song at a time. Anyways, so lets say I have a...

Visual Studio 2010's Build Command: It does nothing

I'm using Visual C# 2010 Express RTM with Windows Phone Developer Tools April CTP Refresh and when I run any Build option, nothing happens. I've deleted the contents of the build output folders and that doesn't do anything. I can't even run the project, because it complains the executable is missing (XNA Game for Windows project). I've t...

WPF vs XNA to render thousands of sprites

Hello, I need to render thousand of ellipses linked each others with lines. What would be the best way (in terms of performances) to render it inside a WPF application. Is WPF Canvas painting a lot worse than XNA painting ? Actually, the hidden question is : is it possible to do some xna-rendering inside a WPF host ? I saw some example...

XNA Track rotated pixel positions

Hi, Im making a game in xna where a tank has to move over a landscape. I need to be able find the bottom of the tank when it is rotated so I can make it move up and down as the player goes over the landscape. for example if i have a sprite at with its top left corner at 400,300 and i rotate it around its center by 45 degrees around its...

XNA.Texture2D to System.Drawing.Bitmap

I need load XNA.Texture2D to PictureBox. i've tried this: http://www.gamedev.net/community/forums/viewreply.asp?ID=3224621 but it doesn't work. Any suggestions? ...

How can I synchronize a text with audio/sound in XNA/XACT?

Hello Geeks, I wanted to display the text while sound is playing at background. In short if there is sound/audio for "What is this", I want to display the text "What is this" in text box synchronously. Is this possible with XNA/XACT? and can I use this in standard C# based WPF or Silverlight applications? Appreciating your help. ...

Draw Rectangle with XNA

Hey guys, I was working on game, and wanted to highlight a spot on the screen when something happens, I created a class to do this for me, and found a bit of code to draw the rectangle static private Texture2D CreateRectangle(int width, int height, Color colori) { Texture2D rectangleTexture = new Texture2D(game.GraphicsDevice, width...

How does XNA timing work?

How does XNA maintain a consistent and precise 60 FPS frame rate? Additionally, how does it maintain such precise timing without pegging the CPU at 100%? ...

Displaying rectangles in game window with XNA

I want to divide my game grid into an array of rectangles. Each rectangle is 40x40 and there are 14 rectangles in every column, with a total of 25 columns. This covers a game area of 560x1000. This is the code I have set up to make the first column of rectangles on the game grid: Rectangle[] gameTiles = new Rectangle[15]; for (int i =...

GraphicsDevice is null in my XNA Windows Game project

Hello All, I have just started trying to make a simple game with XNA 3.1 to help myself learn C# and XNA. I have run into a bit of an interesting problem, however. In all of the tutorials, one is supposed to pass GraphicsDevice when instantiating a new spriteBatch object like this: spriteBatch = new SpriteBatch(GraphicsDevice); One ...

Making a sprite always point to another sprite in XNA

I have a player sprite (playerTexture) and a crosshair sprite (crossTexture) in my game. I need to make the player sprite always face towards the crosshair. Does anyone know how to do this? I have tried doing it myself but the math involved boggles my mind. I know there's a rotation parameter in the spriteBatch.Draw() method but I'm uns...

C# struct with an array

I am making a game using C# with the XNA framework. The player is a 2D soldier on screen and the user is able to fire bullets. The bullets are stored in an array. I have looked into using Lists and arrays for this and I came to the conclusion that an array is a lot better for me, as there will be a lot of bullets firing and being destroy...

Looping music with intro in XNA using SoundEffect

I have two sound files: Sound A is an 18 second intro designed to be played once Sound B is a 1 minute looping track I'd like to play Sound A once, then once Sound A is done, immediately play Sound B and keep looping Sound B until I tell it to stop. This is supposed to be looping town music in an RPG. I've tried doing this in code u...

a good program for designing 2d textures to use in XNA ?

I'm developing a game with Microsoft XNA. I haven't used any modelling program(even 2d modelling) before and I want to learn one. Which program is best ? Is there any free tutorial for it? ...

game development xna/unity3d

hi,i am want to build some games,not something big like mmorpg ,games like snake and similar,maybe in future i would like to make a progress. i built "pong" with xna before 3 month and left it without any progression. now i want program games again and i search on the internet and got to 2 final best options xna/unity3d. which is better ...

"Cannot use fixed local inside lambda expression"

I have an XNA 3.0 project that compiled just fine in VS2008, but that gives compile errors in VS2010 (with XNA 4.0 CTP). The error: Cannot use fixed local 'depthPtr' inside an anonymous method, lambda expression, or query expression depthPtr is a fixed float* into an array, that is used inside a Parallel.For lambda expression from ...

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

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 t...

Fill 2D area bound by vertices in XNA

I'm learning XNA by doing and, as the title states, I'm trying to see if there's a way to fill a 2D area that is defined by a collection of vertices on a plane. I want to fill with a color, not a file-based texture. For an example, take a rounded rectangle whose vertices are defined by four quarter-circle triangle fans. The vertices a...

Tracking graphics tablet input in C#

I'm writing an XNA application with C#, and I want to be able to control the application with a graphics tablet. All I need to be able to do is track the position and pressure of the pen on the tablet, it would be nice to have some built in gesture recognition but I'm willing to build that myself if needed. My first attempt at this was ...

XNA popup text dialog

Hey guys, I am working on a game, and wanted to add a screen that would open when the user clicked on certain objects. The screen would be laid out to have an image on the left, a title on the top right, and text below the title. I have a few problems with this, 1) How would I create the popup box? (preferably with rounded edges) 2) H...