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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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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2answers
107 views

Calculate ticks for animation delay

Hi guys I am trying to calculate the correct elapsedTime for each frame in my animation. Example I have a sprite called stance that has 20 frames I want to give each frame a tick delay property that ...
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1answer
94 views

Problem disposing content from a screen's content manager

I have a problem with my game. I am using multiple classes for different screens, for exemple: Main Menu is one screen, When playing is another, and so on... I decided to use multiple ...
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1answer
45 views

transfer 3d model processing from Xna to Android?

I developed xna scenario in Desktop application and i need to make the same scenario in android app I we need to make processing in desktop and just display it in android app using socket programming. ...
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1answer
227 views

2D lighting causes black rings to appear

A year ago I implemented 2d lighting in XNA using sprites. The sprites I used were created by placing a soft white photoshop brush on a transparant background. The result was this: (lights only) ...
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4answers
598 views

In a semi-infinite procedural (chunk based) map, how do you handle objects larger than a single chunk?

I'll use an example to try and be more specific. Assume this is for a 2D top-down game. Chunks in this are made up of 32x32 tiles. If procedural buildings were to be generated based on some kind of ...
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3answers
2k views

Rounded corners in XNA?

Is there any way that I can make rounded corners on a rectangle rendered in XNA through primitives (line-strips)? I want to make my UI a bit more fancy than it is already, and I would like the code to ...
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2answers
101 views

How can I use an HLSL pixel shader to peek at other pixels?

I think this is like a pixilation shader but I had a hard time trying to find one online, and one that I could manipulate specifically. I want to create a pixel shader for my monogame project that ...
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1answer
80 views

Rotation Continuity help

First the issue im having: Basically its the fact that the angles of a circle aren't continuous, they rise from 0 to 2pi then immediately fall back to 0. I want to make a game where the player ...
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1answer
58 views

XNA/MonoGame screen scale and keeping aspect

My aim is to make a simple 2D platformer, the idea is that it will be a base resolution of 480x270 (16:9) which can scale x2, x4(1920x1080) or go full screen. I basically do: graphics....
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1answer
528 views

3d Wall sliding collision

I'm working on collision for walls in my game and the way I currently have it I get stuck walking into a wall. I'm trying to make my character slide on the walls but still collide. My character moves ...
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1answer
456 views

XNA (BEPU) Physics Performance

Im using XNA 4.0 with the BEPU physics engine v1.2 and I have encountered some performance problems on Xbox. Im not sure if the my mesurements are an expected result of the Xbox (with alot of dynamic ...
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1answer
76 views

How can I access the translation part of a skinned Model object's bone transformation?

I have an animated Model, which I process with the SkinnedEffectProcessor. How I can access translations of that model during animation? It's always a BoneTransform I am working with, but I'd like to ...
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2answers
559 views

Need simple 3D terrain render with big texture map

I have a 1000 x 700 height map I have a 1000 x 700 texture map I did something very similar about 8 years ago: Using XNA. Unfortunately, when I bring up this old project and convert it to Visual ...
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1answer
46 views

Frame rate slowing down after publishing XNA game in VB.NET

I will get to the main question later but I just want to give the backstory here first. I program a game in XNA using VB.NET. As I'm testing the game in debug it works at a certain speed (...
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2answers
89 views

Trajectory Arcs

Ok so I have read this question Calculating trajectory. And it is sort of working in my program. I am trying to produce nice parabolic arcs with this. Like so .. The results I am getting look more ...
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1answer
80 views

Texture Editing with Multi-Threading

So I have this giant Texture2D (4096 * 4096, don't ask why) and all its data stored in an array of Colors. When I hit left MouseButton I create a blue 64 by 64 square at the cursor's position using ...
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0answers
72 views

Why would ContentManager load new copies of content instead of returning references to existing content?

I am currently programming a space shooter with MonoGame. I encountered an issue where the memory usage constantly increases when I load a specific class. This class is called Background which ...
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3answers
287 views

Simple way to shoot bullets from a ship at angles for shoot em up

Just like the title says. I'm working on a shoot em up for a personal project, and I can't seem to get this to work. I don't have any code for it, but I do have the code to make my ship shoot, but ...
2
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0answers
32 views

Frame Skips in MonoGame

I'm developing a 2D game using MonoGame. I've got a square on the screen I can move around. The problem is that about once a second, the square jumps a bit. Using a frame counter I found here I've ...
4
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1answer
83 views

Lidgren not starting server properly

I have a server set up for my game with Lidgren, and it works well when I have it set up on one machine, but if I try to run the server on another machine, I am unable to connect from other machines. ...
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2answers
145 views

XNA 4.0 - Bounding Boxes

So i'm kind of new to programming and im trying to check collision using bounding boxes. i'm currently stuck as to how to call my bounding box within my bounding box function as shown below public ...
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1answer
103 views

Different game resolutions on emulator and on a real device (which has the same resolution) on Windows Phone 8

I have a big problem with game resolution, when I'm running my game on emulator (which theoretically has the same resolution as my real windows phone device: 800 x 480). I'm making the game with ...
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1answer
44 views

Deriving from base class but not calling base method

I am very new to C#, XNA, and OOP. This is my question: I have an abstract class called Sprite. Sprite handles position and drawing from the sprite sheets, from its update and draw methods, for my ...
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1answer
915 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
79 views

Additional dependencies in XNA/Monogame

I made a game in monogame recently, using the XNA content pipleline. I then sent the whole folder (The release folder in visual studio) to a friend of mine who does not have visual studio or monogame. ...
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1answer
51 views

Publishing an XNA project on Windows Store

I have made an application in XNA that I want to sell on Windows Store. When it comes to uploading in the Windows Store dashboard it says files need to be in the format xap, .appx, .appxbundle or ....
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1answer
112 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 ...
4
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1answer
133 views

Monogame Startup Memory Spike

I am currently porting a game from WP7 using XNA to WP8.1 using MonoGame. I have been putting considerable effort into optimizing my game to be under the 185MB memory limit for low-memory phones. I ...
2
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1answer
133 views

Drawing Farseer Fixtures

Is there any way how to draw a Polygon / Fixture from Farseer Physics with XNA? As I deform these polygons at runtime I can't take any texture from my Content folder, the texture must be generated at ...
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1answer
76 views

Multitexturing depending on given variables?

Im having trouble with rendering multiple textures. Using XNA gamestudio: working with 3D meshes and texturing. Effect.fx HLSL I do have a map/level that loads from a heightmap. - This works I have ...
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0answers
30 views

XNA Deserialization Error: XML element “Type” not found

I want to deserialize an xml file that contains a path for an image I have 3 projects: One with the Program.cs class and the main template stuff from xna, another with classes such as the default '...
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0answers
100 views

Jump height being affected by the duration of how long jump button is pressed

So I've been trying to implement a controlled jump the way the title proclaims to make the game easier to play and having the ability to make harder challenges in each level. I have noticed how there ...
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1answer
58 views

How can I use web browser controls for non-browser game GUI?

I'm looking for a way to get a modern browser's level of customization and rendering quality in my c# monogame to avoid using roundabout/limited/buggy GUI toolkits and to get better fonts without ...
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1answer
54 views

How to change XNA coordinates directions?

Usually XNA increases X coordinate to right and Y to down. Like this: But in my project i have 2D map. Drawing tile with bigger Y coodinate below OX looking strange (usually people imagines these ...
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1answer
189 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 ...
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1answer
287 views

Collision detection doesn't register until player sprite jumps

I have implemented a shooting mechanic into my game, and the act of shooting works fine. The shooting work is done in my "game1" class. The issue that arises is when I incorporate collision detection ...
3
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1answer
179 views

How to create shockwave of objects in other shapes than circle?

Basically, I'm making a bullethell / I wanna be the guy inspired game for where I'm currently creating different methods of spawning bullets into the game. One of the few methods I've created is ...
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2answers
133 views

XNA makes the console flicker

I create a Window XNA game project from the template in Visual studio 2015. Then I right click and set the property to console application because I think it is convinient to use Console.WriteLine() ...
3
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1answer
296 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 ...
2
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1answer
148 views

How to fix my camera collision, C# XNA

I am having some weird issues with my camera. I am trying to make it so it is a first person camera, that when the user presses the W or Up key, it moves towards where the camera is looking. My issue ...
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1answer
50 views

Correctly creating/handling events for keypress in MonoGame C#

I'm having trouble finding the best approach to registering an instantaneous user key-press with MonoGame (where the key has been held down and then released), using events in C#. Unlike the click of ...
2
votes
1answer
45 views

Can I use a BlendState object to emulate a draw call's blending color?

I'm working on a lighting system for a tile-based game. What I want to do is draw my tiles to the screen, then draw a single Texture2D object (my light map) over top of them. However, doing it in ...
4
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1answer
6k views

XNA + Windows Forms: How make them work together without making the trick of the custom GraphicsDeviceControl?

What I've found is a solution where you have to code a custom GraphicsDeviceControl to put inside the form (the well known tutorial from the APPHub), but that's not what I'm searching for. I would ...
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1answer
104 views

XNA4\ Monogame 3d Collision detection Help please

i have been trying to get 3d collision working for a while and i think(hope) you people can help me so for my project i have created a 'sprite3d' kinda class which is called ModelEntity and there ...
5
votes
1answer
15k views

.XNB file reader

I'd like to open an XNB file on Linux. It should be an XNA Game Studio Express XNA Framework Content Pipeline Binary File. Any tool to open it? (also for windows which I can emulate on wine)
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1answer
63 views

Drawing on an image before drawing on screen in XNA using VB.NET

I'm programming a game in XNA, using VB.NET. I want to create an intro to the game that zooms in/out the whole screen and scaling each image to accomplish this is cumbersome at best. I like to be able ...
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1answer
29 views

XNA - SoundEffect with SpeedOfSound

SoundEffect has SpeedOfSound property. I'm trying to use it, but it doesn't work: SoundEffect.SpeedOfSound = 600.0f; SoundEffectInstance soundEffectInstance = stepsSound.CreateInstance(); ...
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1answer
22 views

XNA HLSL Shader Color Swapping based on lightness

I'm trying to achieve a similar effect to the image below in HLSL. [Ignore the inbetween state, currently I'm only trying to achieve the final phase, which is black and red] What I tried so far is ...
5
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2answers
247 views

How can I efficiently render to multiple screens?

I know XNA is long dead, but I need it to update an old project. (I would have ported to MonoGame, but can't get multi-monitor support in it.) My game does the following: Wait for some objects ...