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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Creating terrain in sections in XNA

I am learning XNA, and have followed riemers tutorial on multitexturing terrains: http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series4/Multitexturing.php Which worked perfectly, however when I use ...
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34 views

Shadow map depth error makes all light be covered and hidden

I've been following the tutorials listed below: http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series3/Shadow_map.php http://xbox.create.msdn.com/en-US/education/catalog/sample/shadow_mapping_1 ...
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167 views

Understanding how texCUBE works and writing cubemaps properly into a cube rendertarget

My goal is to create accurate reflections, sampled from a dynamic cubemap, for specific 3d objects (mostly lights) in XNA 4.0. To sample the cubemap I compute the 3d reflection vector in a classic ...
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2answers
215 views

Spritebatch not working in winforms

I'm using the Winforms sample on the app hub and everything is working fine except my spritebatch won't draw anything unless I call Invalidate in the Draw method. I have this in my initialize method: ...
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In XNA, how do I make a sprite move towards another?

I am making a shoot-em-up with a player-controlled sprite with a gun: I have most of the game working, but I have gotten to the point where I need to load in the enemy characters and make them move ...
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1answer
992 views

Drawing Shape in DebugView (Farseer)

As the title says, I need to draw a shape/polygon in Farseer using debugview. I have this piece of code which converts a Texture to polygon: //load texture that will represent the tray ...
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1answer
105 views

Event handling on own UI implementation in XNA

I´m creating a game in XNA with my own UI and its controls/components. Currently I have some problems with the event handling. Let me tell me the way I do it right now. Every object is handles as a ...
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26 views

Going to be taking MTA: Game Development Fundamentals (98-374)

I'm going to be taking the 98-374 MTA exam in the coming weeks and I need some ideas on what to focus in and hone my skills on. Any ideas, suggestions, or comments? Please let me know! Thanks, ...
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23 views

XNA arcball camera steering issue

I have an arcball set up to follow my model in XNA. It rotates around the target correctly when holding in the left mouse button and moving the mouse. It zooms in and our correctly with the mouse ...
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1answer
65 views

Torus World Collision Dection

I am looking for a collision detection solution for use when 2d screen wrapping. Specifically, when the image is split between the right and left side I can only detect a collision for a limited ...
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1answer
123 views

XNA: How to capture precise time of button press?

I'm guessing the default XNA model encourages checking for button presses in Update(). However, I am developing a game-like application for research and need to measure reaction times as quickly as ...
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34 views

XNA C# - Unhandled exception of type 'System.NullReferenceException' [closed]

I'm making my first game (as part of my college course) and I have to make it in XNA using C#. My issue is that I'm trying to make a main menu, and after following a tutorial pretty much to the ...
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1answer
36 views

Choppy movement

So, I'm trying to write some code in C# XNA to make an enemy move in a random direction for 0.5 seconds, then switch direction and once again move for 0.5 seconds. However the problem I've discovered ...
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1answer
77 views

Creating a queue for BeginInvoke method - loading chunks

I have a voxel game similar to Minecraft. I have a funciton PushLoadedChunks(Direction) that pushes all of the loaded chunks forward, backward, left, right. This is done with ...
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1answer
120 views

XNA game structure question

I see to be running into a problem here. I know it's easier to show code samples so here you go. This is my main game class namespace WindowsGame4 { public enum MoveDirection { Left, Right, Up, ...
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1answer
172 views

Lightning bolt effect with particles is not continuous

I am Drawing a lightning effect animation using this image: Below the result: As you can see the outcome is not a continuous purple color as I wanted it to be, but it has black spaces in ...
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1answer
52 views

Problem, why the mouse cursor position is totally wrong, after resizing the window?

I come here, because i'm trying to add some "menu" interface in my small XNA Game . I found on internet a nice library adviced by many devellopers. Till now everythink is ok, the problem is my C# code ...
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1answer
121 views

Having trouble getting shader to work with sprite batch in XNA #4

I found a neat "CRT screen" effect shader on the web, but I've never used shaders before and I can't seem to get it working properly. If I do the second sprite batch in my code here normally without ...
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1answer
114 views

Pixel Shaders To Create Predator Effect

I am learning shaders, and I figured I would try to use them to create sort of a predator effect. I got to the point where I rendered my level to a rendertarget and passed that to the shader file, ...
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1answer
95 views

Center a 3D model to cursor's position

I am having a hard time understanding how to go about this. I have a 2D game with some 3D models in it. I want to move a 3D model to where the mouse cursor is currently at in every frame (In other ...
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0answers
23 views

Supported Orientation, Monogame, Windows Phone 8

I am developing a game in which I need to rotate the screen on Landscape mode or Portrait, and lock it that way. In Monogame, targeting Windows Phone 8.1 adding this code: ...
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1answer
66 views

How to order objects with the same depth in the spritebatch cycle?

I have a tilemap in a isometric 2.5 view and i have also many objects moving and static. The problem is many statics are standing in a "integer" place for obvious reasons and the depths of each object ...
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26 views

Specific bone not present in the skeleton XNA

I have created a human mesh, bone structure, and animation rig in 3ds max for an XNA game I am developing for school. I am currently having a problem with one specific bone upon build in Visual ...
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1answer
371 views

How can I disable mipmapping on textures loaded from .X files?

I'm trying to render a plane mesh textured with a simple grid pattern. The problem is that XNA keeps mip-mapping the texture in horrible, horrible ways. What I'm trying to achieve is to get this ...
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1answer
79 views

Camera movement constrained to pixel boundaries

So a friend and me, we are currently making a game in C# using XNA. We are trying to get the camera to move in full pixel motion, but we just don't get it right. This concept is hard to explain, but ...
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15 views

XNA Texture mapping on model

I have a cube as my model and want to map a texture on every side of the cube. I have been searching for a while and most answers suggest using 3D max or using VertexPositionTextures. I am not ...
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2answers
460 views

Black bars on 720p emulator?

I'm making a game for Windows Phone 8 using XNA 4.0 in Visual Studio express 2012. I'm trying to add a background image to the game with a size of 1366x768 (as I believe WP8 only supports up to 720p). ...
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1answer
37 views

What is the difference between a Viewport and a Scissor Rectangle?

In XNA, what is the difference between a Viewport and a Scissor Rectangle, and when should I use each one? It looks like viewport clipping is applied to the geometry before the rasterization state, ...
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1answer
181 views

How do I letterbox a C#/Monogame viewport within a resizeable window?

I am making a 2d game with xna/monogame. I want the main view area to always show 15x15 tiles, or 480x480px. I've got something that sort of works, following this guide. It expands the view range ...
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1answer
141 views

Is sidescroller movement just offsetting the background?, MonoGame/XNA

When I make a sidescroller game and what to move my character do I just offset the background, or is there another better way?
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11 views

XNA maximum VertexBuffer size exception

I am trying to build content(a text file contains list of triangles vertices) for an XNA application through a custom pipeline importer. It works ok. But when number of triangles gets near 1m(in this ...
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1answer
92 views

FPS issue between computers results in slow down of animations and moving

I have been developing my game on two computers. I recently got a new computer and have noticed an issue that seems to be happening in my game. When computer 1 runs the game at 60 FPS everything ...
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2answers
552 views

Sprite collision with color?

Is this possible? To elaborate, I am making a PacMan offshoot. Essentially it is a "zoomed in" version of the game, but the board is randomly generated. I have 11 .png files each to be used as a ...
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2answers
79 views

2d camera shaking back and forth

I'm trying to create a smooth moving 2d camera but the camera is shaking back and forth 1 pixel. Player camera rectangle: public Rectangle recCamPosition(Global global) { return new ...
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1answer
311 views

Disappearring instances of VertexPositionColor using MonoGame

I am a complete beginner in graphics developing with XNA/Monogame. Started my own project using Monogame 3.0 for WinRT. I have this unexplainable issue that some of the vertices disappear while doing ...
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1answer
558 views

Spritebatch Vertex shader world matrix change after each draw

I have a spritebatch where I draw some textures transformed in 3d space. The easy way was just Begin with the transformation matrix, draw, and end it right after. But that is silly, so I'm trying ...
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1answer
41 views

Porting WP8 to IOS GraphicsDevice Error (Monogame/Xamarin)

I seem to be having a problem porting to IOS. I have my game working on WP8 and Android with any major issues but when trying to run on iPhone I seem to get an error when initialising the ...
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1answer
187 views

How to calculate the position of an attached model after rotation?

I'm programming a basic game on XNA. I started to place an object (eg weapon) attached to the right arm of my player. When I move my character forward behind left or right all right. But when I ...
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1answer
341 views

delay camera xna

I read this tutorial http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series2/Camera_delay.php but i didnot unsterstand it. Is there another way to delay the camera position movement without this ...
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1answer
1k views

Positioning a sprite in XNA: Use ClientBounds or BackBuffer?

I'm reading a book called "Learning XNA 4.0" written by Aaron Reed. Throughout most of the chapters, whenever he calculates the position of a sprite to use in his call to SpriteBatch.Draw, he uses ...
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1answer
230 views

How to move the camera in XNA only after few moments?

I made the camera position 10 units from an object, but not behind it. I dont want the camera position behind the object right away when it rotates, I want that when I will rotate the object, the ...
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2answers
886 views

Making mouse pos realtive to a moving object

I'm coding my first actual game, trying without following tutorials, just trying to use my knowledge so far to make something playable. I'm creating (attempting) a simple side-scrolling shooter. I ...
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2answers
1k views

XNA - positioning after rotation

I have a turret with a 2 gunbarrels. The turret rotates towards my mouse. So far no problem. When it creates a few bullets and positions them at the end of the gun barrels. Here is the problem. It ...
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1answer
349 views

Retrieving model position after applying modeltransforms in XNA

For this method that the goingBeyond XNA tutorial provides, it would be really convenient if I could retrieve the new position of the model after I apply all the transforms to the mesh. I have edited ...
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1answer
551 views

Why are my 2D positions “off” after adding a camera transformation in XNA?

My game's source is on github. I am following this tutorial to create a 2D camera. After I adding the transformation to the SpriteBatch, all of my positions seem to be "off" when I move the ship (and ...
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2answers
655 views

Shuffle tiles position in the beginning of the game XNA Csharp

I'm trying to create a puzzle game where you move tiles to certain positions to make a whole image. I need help with randomizing the tiles start position so that they don't create the whole image at ...
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1answer
77 views

XNA Distortion Shader problem

So I came up with a distortion pixel shader in hlsl, but it has some issues. First of all, here is how it works: The shader uses another texture generated by the program as a distortion "map" (if ...
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1answer
568 views

Windows 8 C# Compile spritefonts for MonoGame without XNA

Hello Stack Exchange community. Recently, I've been attempting to in some way generate sprite-fonts into XNB files for use with MonoGame. The issue is however, as you may be aware, XNA is very ...
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1answer
788 views

3DS Max MassFX — Animation to XNA without bones/skins?

I made a model in which a number of cobble stones fall into a hole using the rigid bodies in 3DS Max 2012 MassFX. They are just editable polys, no skin, no bone. I want this to play (Take 001, 0-100 ...
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1answer
176 views

Remove item after crafting

I'm having one last problem with my crafting system. Say an item takes 2 rocks, 1 twig, and 1 vine. When I craft the item, only 1 of each item is removed instead of the correct amount of items related ...