XNA Game Studio 4.0 is a programming environment that allows you to use Visual Studio to create games for Windows Phone, the Xbox 360 console, and Windows-based computers.

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Best way to load texture2d tiles in xna?

I am making a test xna game as a learning exercise and I have a small question about using 2d textures. Basically the game is a grid of different 'tiles' which are taken from a text map file. I ...
3
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1answer
174 views

Smoothing the scrolling path in 2D

I have the following problem: In a 2D game the screen can scroll in any of the 4 directions. Basically, the center of the screen during scrolling moves from (x1,y1) to (x2, y2) whereby (x1,y1) is the ...
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3answers
69 views

2D Camera doesn't work when I have split my code into DrawableComponents

I have the following camera written: public class Camera { public Vector2 Position; Viewport Viewport; public Matrix Transformation { get { return ...
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1answer
269 views

World to Pixel Transformation

My objects have a location in world coordinates (basically 1.0f is a meter). If I simply draw my objects using their world coordinates, each meter will correspond to a pixel. Obviously that's not what ...
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2answers
468 views

How can I actually understand Instanced Geometry Rendering - so that I can implement it the way I need it

I'm stuck trying to implement instanced mesh rendering in my project. Particularly because I am failing to understand how certain components actually function - and how the drawing routine is actually ...
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2answers
333 views

Refractive blur in XNA?

I'm writing a 2D hack-and-slash game using XNA. I really want to implement the blur-like, refractive effect of a sword or such moving really quickly, seen in such games as Dust: An Elysian Tail and ...
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3answers
628 views

How do I target a tank turret with an offset barrel?

I have a tank model consisting of multiple parts, a body, a turret and the barrel of the gun. The turret is offset from the body origin and can rotate around the Y axis(up). The barrel is connected to ...
10
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1answer
433 views

How to know if the player is signed in?

I was wondering if there's any way to know if the "player" is signed in or not? Something like this: if (GamePad.GetState(PlayerIndex.Two).IsConnected && !Gamer.PlayerTwo.IsSignedIn) So ...
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1answer
124 views

Resizing a parallax background (bug)

I'm attempting my first 2D vertical scroller and can't seem to get the background size to work. For some reason, it stays small. I think in the beginning of the parallax scrolling class, I was told to ...
2
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1answer
208 views

XNA matrix order problem

I want a matrix that scales first and then rotates. I tried the code below, but it didn't work. zRotation, yRotation and xRotation are rotations that shouldn't be affected by the origin. allrot should ...
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1answer
58 views

stretch images when window is re-sized in XNA

Is there a way to re-size all the images inside the view port in a XNA project. At the moment when I re-size the view port the background stays at the same size of the image when I want it to re-size, ...
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1answer
1k views

Loading images in XNA 4.0; “Cannot Open File” Problems

Okay, I'm writing a game in C#/XNA 4.0 and am utterly stumped at my current juncture: Sprite animation. I understand how it works and have all the code in place, but my ContentLoader won't open my ...
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1answer
502 views

Windows Phone XAML and XNA Apps with Game Components

I am using the Windows Phone Template "Windows Phone XAML and XNA Apps" and targeting Windows Phone 7/8. Most examples show your game inheriting from Microsoft.Xna.Framework.Game and then adding ...
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0answers
197 views

ways to program glitch style effects [closed]

Most tutorials for generating glitch art usually has to do with some form of manipulation of the compression of files. Should my goal instead to replicate the look of these glitches in shaders or is ...
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1answer
536 views

Unable to create suitable graphics device?

I've been following the Eye of the Dragon tutorial, which is basicly a guide to making a 2D RPG game, obviously. I recently finished the tutorial about making pop up screens in the menu and changed ...
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1answer
239 views

extremely frustrating yet noob question [closed]

This is incredibly embarrassing but.. I musta hit a key or something but whenever i go to edit a line of code i have, i can't just add extra code in.. it always writes over the top of my code and ...
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1answer
210 views

How to grab textures from a texture atlas to be applied to 3d objects

Fairly basic question, but I'm having trouble on finding information on this sort of thing for beginners. I'm just trying to make cubes with different textures on the sides as a starting point. I have ...
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1answer
2k views

What is the status of Monogame now that XNA has been discontinued?

XNA has officially been discontinued, with support no longer being offered by Microsoft. Does this mean that Monogame has died also? I see that the site still says it is based upon XNA 4. What is the ...
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1answer
231 views

Issues with touch buttons in XNA (Release state to be precise)

I am trying to make touch buttons in WP8 with all the states (Pressed, Released, Moved), but the TouchLocationState.Released is not working. Here's my code: Class variables: bool touching = false; ...
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1answer
915 views

Do I need to rewrite my HLSL shaders when porting from XNA to MonoGame?

I'm looking at porting an XNA project I have to monogame, but I have a fair number of HLSL shaders. It seems that Monogame for PC uses OpenGL as the rendering backend, and I'd rather not have to ...
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1answer
589 views

XNA PC vs Monogame Online Multiplayer [closed]

I've got a mostly working PC game in XNA 4, and am looking to make it networked. From the documentation it seems that I can use XNA Networking through GFWL to do LAN sessions, but not online sessions ...
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1answer
221 views

How to calculate the Screen Position of a bounding sphere/box?

Synopsis: What I have is an object rendered on the screen. I need to calculate the top-left / bottom-right of it's location on the screen in Screen Coordinates. Explanation: The object is ...
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1answer
120 views

XNA 4.0 thick triangle strip to fix aliasing issues upon rotation

My triangle strip based lines are disappearing intermittently when I rotate my camera around the X axis. I was advised that this is due to aliasing issues and that "At a certain angle when its edge ...
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3answers
3k views

How to create / draw clickable object (such as Button in WinForm) in XNA WP8?

I am developing a 2D (No 3D in every aspect) Windows Phone 8 turn based tactical games for my college project. I use Monogame. I want to draw an object similar to Button in windows form, that if the ...
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1answer
647 views

Collision avoidance (AI)

Now my 3D model has complete AI behaviours, but my model has no collision avoidance while he is moving towards the player! Because of this, he gets stuck in front of 3D blocks sometimes. I think the ...
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1answer
215 views

Sharing the effect [closed]

my problem is : If I load 2 models ( the same model zombie ) and give them the same effect I got the following error : for(int i =0 ; i<2 ; i++) { dwarfModel[i].model ...
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1answer
100 views

center point of a text?

i'm drawing a text using a spritefont and the draw.string function of the spritebatch object. in some point, i need to augment the size of the text, so i use a variable to scale it. all this is ...
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2answers
772 views

SpriteFont Exception, no such character?

I have such spriteFont: <?xml version="1.0" encoding="utf-8"?> <!-- This file contains an xml description of a font, and will be read by the XNA Framework Content Pipeline. Follow the ...
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1answer
82 views

International Font in XNA?

I'd like to know are there some international fonts? I mean a font for all European languages including Russia. The question is about XNA fonts.
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1answer
327 views

Damage indicator screen overlay

I want to make something already done by a lot of games , which is when I am taking so much hits from enemy red screen drawn like the following , using XNA 4.0: after it's drawn and I am still alive ...
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2answers
78 views

Can't show an object in a tapped coordinate

So hi, I have a problem. I want to show an object (Texture2D) in an area tapped by user. This is my fields : List<Texture2D> list = new List<Texture2D>(); List<Vector2> list2 = new ...
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1answer
403 views

How do I convert my XNA game to Android without using MonoGame?

I want to convert my XNA Game to Android, but I don't want to use MonoGame or ExEn. How can I do this?
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108 views

My Sprite Rectangle moves, but my sprite doesn't

Here's the issue, When I build, everything loads fine, everything works, but then, when you enter the game, the sprite is there. However, The sprite does not move, the sprite RECTANGLE does. Meaning ...
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3answers
494 views

Trying to get enemy sprites to move on C#

In my XNA game, I'm have the enemy sprites loaded and in the game screen. However, I put in the code to update their position in the Update method of the main class. The objective is to get the ...
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1answer
110 views

Where to put input detector?

So below is the usual XNA Game Component override method. If I want to add a touch input detector (lets say, I want to draw a rectangle under touched screen area), where do I put it and how? Googled ...
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1answer
135 views

XNA Scale and Render Targets

I'm working on a top down Strategy/RPG/Tower Defense XNA Game for Windows, and I'm running into an issue while scaling. My display mode is 1680 X 1050, and that is what I'm setting the ...
2
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1answer
435 views

Include a custom font when publishing in Visual Studio XNA

I have a custom font called "Gold Box Games" that I want to use in a game I'm making. I have the font installed on my computer and it works just fine in the program when I run it in test. However, ...
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0answers
25 views

Transparent RednerTarget2D afrer blending [closed]

How to get transparent bacground in RenderTarget2D after alpha blending? I use Color.Transparent to clear the render target, but I get black color after blending where alpha is 255 even that there is ...
4
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2answers
171 views

What's involved in resetting the graphics device?

I'm playing with XNA 4.0, VS2010. I've created a window (not maximized) and drawn some sprites. All is good until I resize the window, after which the sprites stop displaying or only partially ...
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1answer
409 views

XNA - 2D Rotation of an object to a selected direction

I'm trying to figure out the best way of rotating an object towards the directional input of the user. I'm attempting to mimic making turns on ice skates. For instance, if the player is moving right ...
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1answer
311 views

How to prevent the player from clicking too fast [closed]

I'm having trouble with some bullets in my game, the M1911, which is supposed to be semi-auto is only capable of shooting one projectile per mouse click (trying to learn how to do multiple ones at ...
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2answers
167 views

Trying to reduce health by a certain value once XNA [closed]

I've got a bullet and collision data for the bullet, when the bullet collides, it's supposed to cut an integer off of the max health for the object. Basically heres what I want: Object is shot, ...
0
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1answer
155 views

Why spritebatch.Draw shows blank output? [closed]

In my code below, I think it's correctly done. But idk, the image called by _bg is does not shown up. The screen only show White. Weirdly, there is 0 error message when I run it. (The RenderTarget2D ...
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1answer
132 views

XNA Camera Positioning All Wrong

I've been working in 3DSMax for years now and decided to give XNA 4.0 a try. I've got the majority of it working, however the camera is being a pain to me and I can't discern what's gone wrong. I ...
2
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1answer
329 views

Issues upscaling pixel art with SampleState.PointClamp

I'm developing a 2D game, and I'm striving to create a nice blocky low-res appearance for the game, yet allow it to be played at variable resolutions. So, I've researched resolution independency and ...
0
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1answer
223 views

Are there any guidelines/articles/tutorials for creating a network protocol for games? [closed]

I am currently developing a little 2D sandbox game with multiplayer functionality in XNA 4.0 and the latest lidgren-lib for networking. I found myself quickly at a point where sending a players ...
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1answer
314 views

XNA rendertarget sprite batch problem [closed]

When using this code: public static Texture2D ShowHealthBar(SpriteBatch spriteBatch,Texture2D empty, Texture2D full, float health) { spriteBatch.Begin(); RenderTarget2D ...
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1answer
128 views

XNA texture overlay with offset

Is it possible to overlay one texture over another and make them into a new texture? It should also work with an offset. Here's an example: This texture and this texture should make this ...
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1answer
109 views

Texture not carrying over to game correctly?

I have created my map for my game using 3DS Max. I have then applied textures to the map within 3DS Max, where the textures all show correctly. I export the map as a .fbx file to use within an XNA ...
0
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2answers
417 views

XNA texture GetData exception

When using this code: public static Texture2D MakeTexRed(Texture2D tex) { Texture2D drawTex = new Texture2D(Game1.graphics.GraphicsDevice, tex.Width, tex.Height); Color[] data = ...