XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

learn more… | top users | synonyms

1
vote
0answers
200 views

SpriteFont not found in Nuclex Framework

I am using MonoGame to port my XNA Windows Phone app to iPhone. All is well except that my fonts look distorted/smudged on the iPhone. Turns out this is due to the way that MonoGame builds the ...
1
vote
0answers
245 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 ...
1
vote
0answers
381 views

write to depth buffer while using multiple render targets

Presently my engine is set up to use deferred shading. My pixel shader output struct is as follows: struct GBuffer { float4 Depth : DEPTH0; //depth render target float4 Normal : COLOR0; //...
1
vote
0answers
113 views

Changing the position of a Gravity Controller - Farseer

I'm trying to create mini black holes for my XNA game using farseer physics. Problem is I can not get the gravity source to stick to the Body I've attached it to, as it scrolls across the screen, the ...
1
vote
0answers
251 views

XNA 4 / Monogame 3d tunnel collision

I am trying to collide an aircraft with a FBX tunnel model. I don't know how to create multiple bounding boxes for a tunnel. The tunnel is contains a single mesh. I tried using the triangle picking ...
1
vote
0answers
204 views

How can I convert between float3 and float2 in HLSL?

I want 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 512x512 2D textures. I ...
1
vote
0answers
76 views

Creating a DrawableGameComponent

If I'm going to draw cubes effectively, I need to get rid of the numerous amounts of draw calls I have and what has been suggested is that I create a "mesh" of my cubes. I already have them being ...
1
vote
0answers
133 views

Farseer: Cutting body from texture

Is it possible to cut a body from a texture in Farseer 3.0? I have a texture converted to a body with multiple fixtures ( using BayazitDecomposer, CreatePolygon method, ..) and can even do it as a ...
1
vote
0answers
196 views

scale rotating boundingbox

I want to use basic rectangular collision detection. I have a rotating sprite and a method that calculates the bounding box every time in the Update() method. I simply check for intersection between ...
1
vote
0answers
263 views

XNA: Placing a “field of view” rectangle on a minimap

I'm building a top-view 3ed person shooter. I have a HUD and in the HUD I have a minimap. I'm trying to draw on this minimap a rectangle which shows me my "visual field", meaning i see on the minimap ...
1
vote
0answers
169 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 ...
1
vote
0answers
271 views

Getting UV maps from UDK?

I have created a map using UDK and I am exporting it as a .fbx for use within an XNA project. My question is, can I generate a UV map for texturing the map or is there an easier way to texture a map ...
1
vote
0answers
87 views

XNA Kinect Color Stream Performance Issues

I am developing an XNA game using Kinect. It requires using Depth and Color streams for extracting only the player's image from the color image. So far I can extract the image and set their data into ...
1
vote
0answers
580 views

Stacking Drawing Matrix for SpriteBatch in XNA

I'm trying to make a 2D engine for XNA with SpriteBatch. My object unit is Entity, which can include other Entities as its children. However, when drawing them, the rotation and scaling stacking do ...
1
vote
0answers
224 views

3D Animations in XNA 3.1

Well, guys. I'm in a Game Design class at school. Before you ask "WHY ARE YOU USING 3.1 INSTEAD OF 4" -- I would like to point out that C# 2008, and .NET framework 3 is NOT my preferred environment, ...
1
vote
0answers
264 views

Strange rendering issue with monogame/WinGL with HD7670M

I'm having some strange rendering issues with latest monogame/winGL code as seen below; As you can see the xna and tomspilmans WinDX port seems just okay. I'm having this problem on my laptop ...
1
vote
0answers
235 views

Deferred Rendering: Orthographic directional light that has position

Basically I need to code a light for deferred rendering that is a cross between a spotlight and a directional (positionless) light. It's to be used for sunlight, but because my terrain has overhangs ...
1
vote
0answers
166 views

Maya Animated Character export for XNA 4.0 problem

To begin with, I'm trying to export an animated character in .fbx format from Maya 2013 to XNA 4.0 In Maya, The Model has a basic rig and the animations are in clips made in the Trax editor. so the ...
1
vote
0answers
77 views

Farseer circle hangs where it's spawned

I'm currently trying to simply spawn a circle in Farseer. However, it's stuck wherever I spawn it! The game is updating fine, as I can see the circle spinning in place when I spawn it because of how I ...
1
vote
0answers
363 views

Matrix.CreateBillboard centre rotation problem

I'm having an issue with Matrix.CreateBillboard and a textured Quad where the center axis seems to be positioned incorrectly to the quad object which is rotating around a center point: Using: ...
1
vote
0answers
795 views

Best depth sorting method for a Top Down 2D game using a 3D physics engine

I've spent many days googling this and still have issues with my game engine I'd like to ask about, which I haven't seen addressed before. I think the problem is that my game is an unusual ...
1
vote
0answers
203 views

Camera not staying behind model while moving in circle

I have a camera behind a model (3rd Person) and I'm having problems KEEPING it behind the model. When I first start my game, you see the back of the model. If the model moves forward, backward or ...
1
vote
0answers
294 views

Outline Shader Effect for Orthogonal Geometry in XNA

I just recently started learning the art of shading, but I can't give an outline width to 2D, concave geometry when restrained to a single vertex/pixel shader technique (thanks to XNA). the shape I ...
1
vote
0answers
319 views

Getting and Setting Rotation in XNA around the Center of my Model with XNA

Alright, so I'm currently debating how I want to do this. Basically this is what I'm trying to accomplish. I've created a system to allow me to make my environment a little bit easier. I'm ...
1
vote
0answers
311 views

Is it considered poor programming to do this with xna components?

I created my own Menu System that is event driven. In order to have a loading screen and multithreaded loading to work, I devised this sort of implementation: //Let's check if the game is done ...
1
vote
0answers
276 views

Map terrain generation to texture instead of color

I have some terrain being generated using the following algorithm double rand1 = rand.NextDouble() + 1; double rand2 = rand.NextDouble() + 2; double rand3 = rand.NextDouble() + 3; float offset = ...
1
vote
0answers
217 views

Sprite sorting issues

I apologize for the vague title, I'm not sure how else to phrase this problem. I am using tIDE to assist me in my game's world development. To give a dynamic effect to map layers within tIDE, it has ...
1
vote
0answers
310 views

Need help with objects moving toward the player

I am making a 2D game with simple "gravity": everything is just pulled toward 0,0. The speed at which they accelerate towards it is GravityAcceleration up to MaxGSpeed. I also want the player to be ...
1
vote
0answers
413 views

3D Model transparency issue

I am using Goblin XNA 3.6. When I export a 3D model in FBX format from Maya, the model often looks transparent. For some 3D models it works fine though. What could be causing this?
1
vote
0answers
186 views

Farseer Physics EndContact events don't fire for all registered delegates

Here's my situation: I have several objects that contain a body and a fixture. They are set to sensor = true; atmosphere = BodyFactory.CreateCircle(world, atmosphereRadius / Level.METER_IN_PIXELS, ...
1
vote
0answers
933 views

Clipping polygons in XNA with stencil (not using spritebatch)

The problem... i'm drawing polygons, in this case boxes, and i want clip children polygons with its parent's client area. // Class Region public void Render(GraphicsDevice Device, Camera ...
0
votes
0answers
16 views

Resolution-Independent Rendering squishes view field

For the last couple of days, I've been trying to get a resolution-independent renderer going on an XNA game. I have a camera and a renderer class that I added, based on this tutorial Here's the ...
0
votes
0answers
37 views

Getting XNA 4.0 running on VirtualBox?

I'm teaching myself gamedev using VS2015 and MonoGame, however so much of the good example code uses XNA 4.0. So I installed Win7 on VirtualBox, with C# 2010 Express, with XNA 4.0. I installed Guest ...
0
votes
0answers
46 views

XNA Access violation from KernelSoundEffectInstance

Some users (but not all) are reporting a periodic crash in my XNA game. They say it's happening every 15 to 20 minutes. I am unable to replicate this myself, so I asked users to send me error logs. ...
0
votes
0answers
25 views

Clip on model XNA

I'm currently doing my water plane system (with waves etc...). Actually, I have a heightmap with a waterplane on it; refraction and reflection working perfectly, but now I want to add objects. So ...
0
votes
0answers
31 views

How to do an xBR or hqx filter in MonoGame?

I have been trying to implement an HD filter (xBR or HQX) in my MonoGame game project but so far got no success. I have checked out this question, but the shaders provided in the answers don't seem to ...
0
votes
0answers
75 views

Water reflection xna

I'm actually trying to do the reflection map for my water component, but even following the riemer's tutorial about reflection map the formulas provided doens't work. http://www.riemers.net/eng/...
0
votes
0answers
36 views

Shader questions with regards to the SpriteBatch in XNA/MonoGame

So I've finally decided to create my very own GUI system. And I'd like it to use shaders for pretty much all rendering. Think "WPF/Direct2D Brushes". Except to my knowledge, using shaders with the ...
0
votes
0answers
46 views

Purple screen when using vertex shaders

Alright, so I've tried everything I can think of. I've put in over 10 hours into this crap, but nothing seems to work (tried multiple online tutorials as well). Always purple screen. Here is the ...
0
votes
0answers
54 views

Rendering water with Hardware Instancing xna/MonoGame

I was wondering if rendering in XNA/MonoGame will be better using Hardware Instancing. For example, I have my editor and when I click anywhere on my map, i'll add a plane with a water texture. If I ...
0
votes
0answers
16 views

Farseer 3.5 RevoluteJoint Breaking

I think I'm missing something completely and the solution is unbelievably simple, but I'm at a loss at the moment. I'm trying to build a stylized car, with a rectangle as car body with two circles as ...
0
votes
0answers
62 views

How to make this 2D jumping animation smooth in XNA?

I am currently developing a game where I have a sprite that its objective is to jump over boxes coming at it. I know that you have to change the Y values. When spacebar is hit, it goes up but then I ...
0
votes
0answers
27 views

Deforming the mesh with skeleton in XNA

I just want to know which algorithm does the default Model Processor of XNA uses to deform meshes when the skeleton changes, like Linear Blend Skinning, etc. I tried hard to find out but I found that ...
0
votes
0answers
37 views

Custom bitmap font in XNA 4

Hy, brains. I'm making custom bitmap font processor and have a trouble with correct rendering. In details I have a font presented as png tile map with white characters on magenta background and I draw ...
0
votes
0answers
52 views

Problem with collision detection also affecting collision resolution

Hi I am making a 2d scrolling beat em up, I am working on the collision with obstacles like drums and platforms. So far I have the player jumping and falling from platforms but having problem ...
0
votes
0answers
77 views

Custom game loop entirely in the Update method

I am attempting to implement a custom game loop in XNA/Monogame. I know that one can re-implement the Game class using WinForms (with the caveat of having to also redo the content manager, etc.). I ...
0
votes
0answers
72 views

XNA 2D position offset

I am creating a 2D game engine with XNA and MonoGame. For each of my sprites I have offset positions, which I use to align another sprite if is it not within the main sprite i.e. stance. I have an ...
0
votes
0answers
49 views

C# - XNA blurring tiles despite using PointClamp SamplerState

I´ve a problem drawing isometric tiles without getting pixel issues. The way I do it is the following: SpriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, ...
0
votes
0answers
43 views

How can I create a character for a 2D platformer in Farseer Physics 3.5?

I want to create a similar character like in this tutorial. http://www.madgamedev.com/post/2010/09/09/Article-XNA-Farseer-Platform-Physics-Tutorial.aspx But the tutorial doesn´t work for Farseer ...
0
votes
0answers
37 views

Problem with collision between two farseer bodies

I have four different bodies. Ground, rectangle, red ball, white ball. The rectangle and the ground are static. Just the balls are moving. The red ball can´t move through the rectangle, but the white ...