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
118 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
397 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 ...
3
votes
1answer
235 views

XNA windows phone release black textures

i just made a 3d game in XNA for windows phone 7. I build it in release mode on visual studio 2010 and suddenly when I run game there is no textures on models - 2 models are black and one is ...
2
votes
1answer
312 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
votes
1answer
426 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
votes
1answer
397 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 ...
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0answers
84 views

Farseer: How can I break a body into multiple pieces?

I created a breakable body but the pieces are not flying around if the ball touches it. What is wrong? Why is the breakable body not breaking into pieces? I made a video and I enabled debugview, so ...
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0answers
31 views

How do I optimally give current UVs to the shader for animating a spritesheet?

I've implemented sprite animation by passing UVs into the shader with the good-ol' shader.SetParameters[] call. In the vertex shader, I lerp the new UVs with the Texture Coordinates of the original ...
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0answers
87 views

Precalculating timespan of bullet collision on cubic bezier curve circles?

I'm fairly new to game logics, C#/XNA (The language/library of choice) and bezier curves in general, and is stuck in my current project. I'm going to try to explain as thoroughly as I can what the ...
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0answers
75 views

Monogame/XNA Invert Screen Y Axis

I am trying to invert the direction of the Y axis in Monogame from positive downwards, or screen space, to positive upwards, so that my world transformation matrix makes more sense. It seems ...
0
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0answers
69 views

Drawing objects that visible on the screen

So I generated a terrain using list's of tiles, and I display it only if its visible on the user screen (if he move's to the right, the tiles that aren't visible wont be drawn, for performance ...
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0answers
119 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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0answers
179 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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0answers
59 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 ...
0
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0answers
113 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 ...
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0answers
245 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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33 views

Farseer Physics, mass affecting velocity

I have just started with Farseer Physics, so I am kind of a newbie in this theme, so not a surprise that I have encountered something that is not involved by the engine, or I just don't know about it. ...
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0answers
55 views

Need Help with the Syntax for a Simple 3D Effect to Manipulate Quad Points/Vertices for PSM

I have been porting a game made in XNA, a 2D RPG, to PSM using Monogame. Unfortunately, I use a simple 3D effect that cannot be translated because Monogame did not write translation code for the ...
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48 views

FBX animation file - Fixing Multiple Roots

I have a collection of nicely animated fbx files that all have the same issue explained here http://www.unwrap3d.com/u3d/quicktip_xna.aspx under 'Fixing multiple roots' section. This requires ...
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137 views

Encapsulating variable elements into one drawable object - XNA/MVVM

Ok so I'm building a game and there is a class for an Object which gets the Values of a specific card from a XML Table and stores them in varibles. Note: I will have many "Card"'s instantiated at any ...
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0answers
51 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 ...
0
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0answers
113 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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58 views

Simultanious RenderTarget use in XNA

I am currently grappling with the idea of lighting a 2D scene as a 3D one and i need to clear up a couple of things. I have so far figured out that i am going to use a differed lighting system where ...
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0answers
21 views

XNA problem: models processed with different content projects reference the same effect file

I want to add multiple content projects to my XNA Game solution in order to compile them with multiple cores in parallel. The compilation time is a problem for us already and in the future things will ...
0
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0answers
57 views

Simulating Windows Phone Trial mode is not working

I want to simulate a Windows Phone Trial mode. I created a little game in XNA and uploaded it as a beta on my Windows Phone Dev Center account. After that, I installed the game from my Dev Center ...
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0answers
93 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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46 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 ...
0
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0answers
140 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 ...
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0answers
127 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 ...
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0answers
204 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 ...
0
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0answers
92 views

How to encode float3 into float2 and back again in HLSL?

Good afternoon, I am looking to offload some 3D calculations to the GPU without raising my requirements to DX10. Specifically, I am generating densities in 64x64x64 3D blocks, which fit nicely into ...
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59 views

XNA inverted matrix acting strange

First of all, I am trying to calculate the two points of a triangle that have a given z position. I have figured out what I think to be quite a good method. First of all I move the triangle to be ...
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0answers
70 views

XNA 4.0 Smoothest thread option?

At start, I'm having my game play a background video, and have the MediaPlayer play music. void InitializeMainMenu() { MediaPlayer.Play(package_music.bgm_main_menu); ...
0
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0answers
106 views

Shadow Mapping Wrong Results

Since 2 days, i'm trying to figure out whats wrong with my shadow shader. The shadow map is drawn correctly, just the projection on to the scene is not working. The Vertex Shader Code seems fine: ...
0
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0answers
104 views

Body is pushed back from the wall sometimes

I have a strange issue with the collision between the wall and my player. If I press W and D or W and A to move up and right respectively up and left, the player sometimes gets pushed back from the ...
0
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0answers
64 views

XNA HLSL no model textures

I am using XNA and HLSL to render all the models in my game, so far there is only one, a flashlight. My flashlight model is a .fbx file type, and it loads the model in the game perfectly fine. ...
0
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0answers
166 views

Per-pixel collision detection - why does XNA transform matrix return NaN when adding scaling?

I looked at the TransformCollision sample on MSDN and added the Matrix.CreateTranslation part to a property in my collision detection code but I wanted to add scaling. The code works fine when I ...
0
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0answers
78 views

Texture not drawing on cubes

I can draw the cubes fine but they are just solid black besides the occasional lighting that goes on. The basic effect is being set for each cube also. public void Draw(BasicEffect effect) { ...
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0answers
232 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
122 views

Flash CS6 Spritesheets and XNA

So new with Adobe Flash CS6 comes the new Feature to export Movie Clips as a Spritesheet which seems very nice! I have a few questions to CS6: http://imgur.com/enllkyL Its nifty but it lost its "up ...
0
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0answers
135 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
277 views

XNA Disable Mip-Mapping for good

I'm trying to render a plane mesh textured with a simple grid pattern, problem is, xna keeps mip-mapping the texture in horrible, horrible ways. What i'm trying to achieve is to get this grid to look ...
0
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0answers
290 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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0answers
127 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 ...
0
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0answers
227 views

(XNA - Farseer) Not always colliding and moves seemingly randomly then objects freeze if they do collide

So I'm mixing XNA and Farseer, the first for graphics and the latter for collision and physics. If this is a horrible choice to start out with, tell me that as well. In any case, I have set up a ...
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0answers
132 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
165 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
138 views

Farseer non-colliding bodies affect eachother

I'm trying to use Farseer to make a tile engine, but bodies that are not colliding with a sprite are still having an effect on it. In this image there is a single sprite(the green box) and a single ...
0
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0answers
294 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 ...
0
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0answers
224 views

Drawing a String looks ugly when the text is moving

I'm drawing a name above the player's head in a 2D top down view game. The code to draw the string looks like this: Vector2 textPos = new Vector2( (positionX * 2 * world.Map.TileWidth + (16 ...