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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4
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1answer
132 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 ...
3
votes
1answer
458 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 ...
2
votes
1answer
313 views

How can I deal with actor translations and other “noise” in third-party motion capture data?

I'm working on a game, and I've run into a problem with motion capture data. My team is using 3DS Max 2011 and trying to put free motion capture files on our models. The problem we're having is it ...
2
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1answer
458 views

Xbox Controller Not Connecting in Monogame Project

I have recently been playing around with the support of the wired XBox 360 controller in Windows development. I am developing in C# in Visual Studio 2012. I have created 2 projects. The first ...
2
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1answer
417 views

Why am I seeing unbounded memory usage in my WP8 game?

I recently upgraded to VS2012 and tried my game out on the new WP8 emulators. I was dismayed to find out the emulator now crashes and throws an out of memory exception during my sprite loading ...
2
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1answer
872 views

Has anyone got the Krypton Lighting Engine working in MonoGame for Windows 8?

I've converted the core of the Krypton Lighting Engine so that it's compatible with Windows 8. The trouble I'm having when actually using it is that it can't load the KryptonEffect.xnb file. I'm ...
1
vote
1answer
132 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 ...
1
vote
1answer
166 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: ...
1
vote
1answer
107 views

How to gradually decrease opacity of model?

I have been searching for this matter for a long time and slowly I begin to think that this option is not available in XNA for Windows Phone. I am trying to get a 3D-Model to be drawn at 50% ...
1
vote
1answer
295 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 ...
1
vote
1answer
748 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
931 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 ...
0
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1answer
16 views

XNA My Texture's Transparency is shown Black

I am trying to draw an image on to the screen. My image is drawn correctly but the background color which is transparent is shown black. Why is this so? My code: spriteBatch.Draw(Texture, Position + ...
0
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1answer
85 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 ...
0
votes
1answer
131 views

AI movement in 2D

I've got a prototype of a game I've been mocking up and found myself struggling to find a solution for AI movement in a 2D tile based game. Here's the issue: The player is free to roam throughout the ...
0
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1answer
55 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 ...
0
votes
1answer
31 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 ...
0
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1answer
14 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 ...
0
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1answer
54 views

XNA/Winforms - Nothing being drawn after calling SetRenderTarget(null)

I'm creating a basic scene/level editor using XNA/Winforms using the base classes from http://xbox.create.msdn.com/en-US/education/catalog/sample/winforms_series_1 Everything works fine and gets drawn ...
0
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1answer
104 views

Rendering a fullscreen quad is leaving a one pixel line on the left and top

I am rendering a fullscreen quad using XNA. I am having an issue where the top pixel line and left pixel line are not rendered. It should be black in the picture. Can anyone tell me why this might be ...
0
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1answer
109 views

Loading Song in MonoGame Windows

I cannot load the song into my game. I got error in both templates WindowsDX and WindowsGL. Monogame Develop Build 1252 Both files .wma and .xnb are exist in Content folder and Build Actions are sets ...
0
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1answer
73 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 ...
0
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1answer
125 views

XNA C# 3D game Wall collision response glitch

I have been working on a reliable physics system in my code and so far it's ALMOST working. :D I am aiming for wall "sliding" style of collision response, like you'd expect it to work in commercial ...
0
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1answer
117 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 ...
0
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1answer
100 views

Incomplete mesh using DrawIndexedPrimitives after rotating mesh

Through help on this site I was able to draw the triangles of an unrotated, nonscaled nontransformed mesh created in Blender and exported to OBJ, accurately imported through Assimp and rendered in XNA ...
0
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1answer
353 views

How to update “dynamicVertexBuffer” correctly with “setdata” on XNA?

I developed a small 3d games xna and uses a "DynamicVertexBuffer" and "DynamicIndexBuffer" to store and draw my vertices. Everything works fine, but my problem is the "Update" function where I update ...
0
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1answer
315 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
147 views

Why are the coordinates interchanged in Monogame?

If I use XNA Gamestudio, I can draw a sprite on a specific position like this: spriteBatch.Draw(Texture2D, new Vector2(PositionX, PositionY), Color.White); But in Monogame, I must change the ...
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votes
1answer
1k views

Xna tile map collision

I finally found a tutorial on tile maps and loading them in from a file that I understand (http://circlessuck.blogspot.co.uk/2012/09/xna-tutorial-basic-tile-engine-part-2.html), however the tutorial ...
-1
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1answer
193 views

XNA changing color alpha

I know I can take a color and multiply it by a float to reduce its alpha like that: Color color = Color.Green * 0.15f; But how do I return the color's alpha to it's original value? I tried doing ...
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0answers
142 views

Farseer Player Movement and Collision

I have added a video link for any one who whats to see what the problems are by watching the game. I am trying to create a player movement system and there are small problems that I am running into. ...
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196 views

Non-rectangular hitbox methods in XNA

I'm creating a 2D top-down RPG, and many of my buildings/scenery have non-rectangular corners to the textures. Does anyone know a good way to create circular/triangular/polygonal hitboxes, or is too ...
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63 views

“Blinking” graphical bug when rotating shadow matrix

So, we have implemented Krypton shadows into our code for our 2D game, and it's working beautifully. Only issue is that we're running into a bizarre graphical bug when rotating the shadows with the ...
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0answers
126 views

Smooth circular collisions with edges/collision boxes [C# + XNA]

So, me and a friend are working on our top-down perspective 2D game, and have come to work on perfecting our collisions. In its current state our player sprite is colliding with walls, but is ...
0
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0answers
285 views

C# XNA game window's ClientBounds not equal to Viewport/BackBuffer at native resolution

I'm having a rather strange issue involving my game window and its resolution. I have a function in my Engine that sets the resolution (with the appropriate checks to make sure the resolution is ...
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0answers
55 views

Spritefonts gets very messed up when scaling up

I'm recoding a retro video game, but because the original resolution is very low, I scale everything up. I render to a renderTarget and render the renderTarget to the target resolution. I'm using my ...
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0answers
117 views

Bounding box not right rotation XNA blender object (.fbx)

I am importing .fbx models (a simple cuboid), the model itself displays fine (and is repeated to make a wall) however the bounding box seems to be on the wrong rotation. Below is a screen shoot: ...
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0answers
97 views

Create random level platforms on screen

I'm trying to create random level platforms like this: public Level(int platfromsInLevel, Texture2D sprite, int screenWidth) { rnd = new Random(); this.screenWidth = screenWidth; ...
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0answers
52 views

XNA speed up content compile with multiple content projects: what to do when two assets reference the same sader file?

Right now our content is being compiled over the course of 10 minutes. Given that we literary have no content yet, it is a huge timebomb waiting to explode once we start ading it. As we build the game ...
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0answers
149 views

Incorrect frustum culling with center/half-size AABB

I'm trying to implement an axis-aligned bounding box with center/half-size instead of min/max. And I have some problems when it comes to create a method to detect if the aabb is visible or not. I try ...
0
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0answers
135 views

Overlay partially transparent texture onto another, but not the background

I'm using XNA and C#. I have two shapes (texture2ds), and I want to overlay shape 2 (50% transparent square) over shape 1 (opaque circle), but I want to get Option B, not Option A. I basically want ...
0
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0answers
213 views

Best way to go about sorting 2D sprites in a “RPG Maker” styled RPG

I am trying to come up with the best way to create overlapping sprites without having any issues. I was thinking of having a SortedDictionary and setting the Entity's key to it's Y position relative ...
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0answers
264 views

Farseer: Difficulties with implementation of DebugView

I added the project "Farseer Physics Engine 3.3.1 HelloWorld XNA\DebugView XNA\DebugView XNA.csproj" to my solution explorer in Visual Studio. In addition, I added a reference to my project and the ...
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0answers
139 views

How can I efficiently store Vertex data in C#/XNA?

I am creating a terrain system using voxels in a somewhat minecraft-like style and I was wondering if there was anything I could do to increase the number of vertices I am able to store (and therefore ...
0
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0answers
325 views

HLSL Triplanar texturing and multi texturing performance

I'm stuck for my terrain rendering shader code for DX9. I'm looking to implement triplanar texturing, a texture atlas, and blending between different textures. Right now it's working. The problem is ...
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129 views

Draw mesh with multiple bones

So I currently have an object made up of only one mesh. And this object contains three bones. One for strecthing the mesh left, one for streching the mesh up, and a center bone, which moves the object ...
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0answers
140 views

Creating Primitives and Model from Texture2D Xna 4.0

So I was playing around with XNA working on a 3d engine with 2d sprites as characters and objects. After a while I became very unhappy with the way the sprites were being scaled and billboarded so I ...
0
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0answers
166 views

XNA C# Phun-Style Window Movement Effects

Ok, so I'm making a game in XNA similar to Uplink (computer hacking) and I have a lot of ingame panels that display information, such as mission details, emails, passwords, and so on. To add to the ...
0
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0answers
313 views

Creating a steady rhythm for music-based game in XNA

I'm looking to develop a game for Windows Phone to explore an idea I had which involves the user building notes into a sequencer while playing a puzzle game. The issue I'm running into is that, while ...
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0answers
73 views

FPS Drops From 59 to 29

I am creating a 2d platformer and I am getting fps drops from 60 to 20. It might be my collision code, but this was the only way I could get it to work with slopes. private void CollisionCheck() { ...