Open-source implementation of Microsoft's XNA 4, for Windows, Mac, Linux, Android, and iOS, among others.

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13
votes
2answers
8k views

XNA 2d Camera Scrolling - why use matrix transform?

I am making a test game where I want the level to be constantly scrolling. To create this effect I have established a camera class which simply stores a vector2 position and an enum direction. It also ...
12
votes
2answers
2k views

Will unlocking the framerate in XNA/MonoGame tell me how efficient my code is?

I have been unlocking the framerate in MonoGame via: this.graphics.SynchronizeWithVerticalRetrace = false; base.IsFixedTimeStep = false; And using it as a basis for how efficient I am updating and ...
12
votes
8answers
19k views

How to generate Spritefonts for monogame

I just want to render some text to the screen using: monogame 3.0 MS Visual Studio 2010 C# Express In XNA, you were able to add fonts to the content pipeline quite easily. But this doesn't seem to ...
12
votes
4answers
2k views

Monogame minimum hardware requirements?

What are the minimum hardware / driver requirements for running a Monogame 3.x game, on each of the various Operating Systems?
11
votes
3answers
460 views

What problems could occur if you make use of both the Monogame API and the underlying graphics API?

What kinds of problems could one run into if they were making a game with Monogame and started making calls to the underlying graphics API as well? For example, if I wanted to do something in a ...
11
votes
2answers
960 views

Portable buffered keyboard input for XNA / MonoGame?

As a preliminary solution, I am currently using the Nuclex framework in an C#/XNA game project for buffered keyboard input. Sadly, nuclex relies on SlimDX.Directinput.dll and therefore to my knowledge ...
10
votes
4answers
1k views

Detecting “Any Button Press”

I'm trying to allow the player to press any button to continue from the main page. I was able to do this by making a List of Buttons and looping through these and checking for one of them being down; ...
8
votes
4answers
7k views

GUI Library for MonoGame [closed]

Is there any GuiLibrary available, which works with MonoGame? I know there are some GUI Libraries for XNA but I assume most will not work with MonoGame. Even simple stuff like Buttons and Inputfields ...
8
votes
3answers
1k views

Reusable top-down collision class

I've recently picked up monogame and am working on a simple top down game to get me started and learn the basics. I've got the movement and the rotation to follow the mouse sorted out but I'm stuck ...
8
votes
5answers
1k views

Sprites rendering blurry with velocity

After adding velocity to my game, I feel like my textures are twitching. I thought it was just my eyes, until I finally captured it in a screenshot: The one on the left is what renders in my game; ...
7
votes
5answers
4k views

How can I develop in MonoGame without relying on .xnb files?

I'm new to game development, and MonoGame seems like a beginner-friendly framework, so thought I'd start with that. However, as I started reading tutorials on it, I noticed a common theme: That at its ...
7
votes
4answers
4k views

The right way to add images to Monogame/Windows

I'm starting out with MonoGame. For now, I'm only targeting Windows (desktop -- not Windows 8 specifically). I've used a couple of XNA products in the past (raw XNA, FlatRedBall, SilverSprite), so I ...
7
votes
1answer
1k views

Do I need to rewrite my HLSL shaders when porting from XNA to MonoGame?

I'm looking at porting an XNA project I have to monogame, but I have a fair number of HLSL shaders. It seems that Monogame for PC uses OpenGL as the rendering backend, and I'd rather not have to ...
7
votes
2answers
364 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 ...
7
votes
1answer
247 views

Measuring GPU time from managed code

To measure CPU code, I use a Stopwatch. Using a Stopwatch in the Draw method is meaningless for the GPU side of things since the CPU and the GPU run asynchronously. The questions is simple: Is it ...
7
votes
2answers
209 views

2D A* Path-Finding

I have this problem, which isn't really a problem, but I feel like it's some sort of glitch in my code maybe. My pathfinder, to find a path from A to B, does this: which is almost fine, it works ...
6
votes
1answer
1k views

How can I render an .stl file in XNA or Monogame?

How should I go about rendering a .stl file as a 3d model in XNA? The .stl file contains a bunch of triangles that add up to a solid mesh. I have already figured out how to read the contained data. ...
6
votes
3answers
253 views

Change in direction should slow down object and accelerate in new heading (2D grid-based)

I'm trying to implement some sort of faux space physics in my 2D game. I have a top down view of my space ship. You can change direction and set a speed up to a maximum which then accelerates the ship ...
6
votes
2answers
399 views

How can I optimize a parallax effect consisting of multiple transparent layers?

I have a parallax effect in MonoGame consisting of multiple semi-transparent layers of textures. The effect is simple, but rendering multiple transparent layers on top of each other is rather slow. ...
6
votes
1answer
2k views

Compiling a Monogame Game into a single .exe [closed]

Is it possible to compile a monogame game into a single .exe? I know if you go in the debug or release bin, there is in fact a .exe your game, except you move this .exe's file location or try to run ...
6
votes
1answer
522 views

Performance of pixel shaders vs. SpriteBatch: XNA

Precondition: I read this question/answer about using shaders, or spritebatch, to render and mark a sprite. I need to do something like that. I also have a 2D lighting PoC which I need to write. The ...
5
votes
3answers
351 views

3D Object not drawing in Monogame

I'm quite new to working with 3D objects. I'm currently trying to get one to load in Monogame. The object itself was imported into Blender and exported as an fbx file (which was the only file type I ...
5
votes
2answers
187 views

Monogame [Linux] cannot resize screen

While working on a Monogame project on Linux (Arch to be exact), I found that I could not change the screen height away from the default 800 px, while I could easily, perfectly change the width to ...
5
votes
1answer
940 views

Playing Video In MonoGame

I'm trying to play a video in a monogame project. I've done this in XNA in the past by including the Framework.Video directory and it's very simple. This cannot be done in monogame as Visual Studio ...
5
votes
2answers
410 views

Conditional Defines and HLSL

Is it possible to use project level conditional defines in hlsl code? I'm trying to conditionaly compile a shader using MonoGame Content Procesor. Depending on project type (ie. Windows, Windows8...) ...
5
votes
1answer
536 views

How do I load a model through AssimpNet into Monogame?

I am new to MonoGame and to 3d and I'm stuck on how to import a model. It seems the best way to import a mesh model and 3d animations in Monogame in Windows 8 is through AssimpNet. I can't find a ...
5
votes
1answer
653 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 ...
5
votes
1answer
223 views

GetData() error creating framebuffer [closed]

I'm currently porting a game written in C# with XNA library to Android with Monogame. I have a Texture2D and i'm trying to get an array of uint in this way: Texture2d textureDeform = ...
5
votes
1answer
1k views

Sound not playing on Windows XP - SoundEffect or Song: Monogame

*Solution:* I have a RealTek ALC888. I solved this (OpenAL) by disabling hardware acceleration on my sound (Control Panel > Sound > Advanced, disable acceleration). I'm trying to integrate sound into ...
4
votes
3answers
2k views

Issue with Monogame resizing

I've converted my XNA project into a MonoGame one. Whenever I start the application and resize the game manually (ie - dragging the window)... this.Window.AllowUserResizing = true; ...the game ...
4
votes
1answer
183 views

Learning Web Development and Game Development at the same time? [closed]

I'm a junior-level developer, currently working full time and trying to get experience with working with ASP.NET MVC. I love web development, and want to continue to pursue it as my career, but I also ...
4
votes
1answer
90 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 ...
4
votes
1answer
236 views

How can I make a scrollable text view?

I am trying to do an appication in monogame windows. I have a long text to be displayed on screen. I tried to render it on screen using spriteBatch.Drawstring, was succesful to an extent. But, the ...
4
votes
2answers
55 views

Monogame project runs in VS but hangs when run via .exe

I've been working on a monogame project for a little over a week and had no problems. Today I went to test out the project outside of Visual Studio, by running directly from the .exe in the release ...
3
votes
2answers
2k views

Does Monogame on Windows Desktop use OpenGL or DirectX by default?

if i use monogame 3.0 beta on windows desktop, does it use the directx renderer (sharpdx) or the opengl renderer by default? if it uses directx is there away to make sharpdx call directly? thanks!
3
votes
3answers
141 views

How to create a delay/timer and fire an action once it expires in C# Monogame? [duplicate]

First off I'm somewhat new to C# but I'm working on a game in C# Monogame and I'm trying to get timers working. There was a similar question answered around here a while back but I found that the ...
3
votes
2answers
3k views

How to work with delta time?

I've just started using MonoGame (which pretty much seems to be an open implementation of XNA) and I'm trying to figure out on how to work with framerate independant calculations. Usually what I found ...
3
votes
3answers
688 views

8 directional movement - Maintain vertical position

I have a top-down game that has 8 directions of movement (top/down/left/right/topright/topleft/bottomright/bottomleft). There are sprites for each direction of movement. This is just an example ...
3
votes
1answer
70 views

Problems with converting from Screen Space to World Space

I have an unproject function I've written, which takes in x and y values between -1 and 1, and a z value between 0 and 1 (0 is near plane, 1 is far plane). I create a vector off of this, and multiply ...
3
votes
1answer
52 views

Drawing collision detection boxes

So I have a TileSprite class that makes a TileSpriteobject with a collision box in it named bCollisionRect: public TileSprite(Texture2D textureImage, Vector2 position, Point frameSize, Point ...
3
votes
1answer
248 views

In MonoGame, how can I disable font anti-aliasing?

I am building a game with a "low resolution" aesthetic, so I would like to disable the default font anti-aliasing. The text is drawn using the built-in SpriteFont and SpriteBatch classes. Here is ...
3
votes
2answers
200 views

How to make my installer install XNA framework and .NET 4.0

I have made a simple Monogame game. Right now I am using this installation-package maker: http://installforge.net/ Currently my installer only installs my "game". (All the output files generated by ...
3
votes
2answers
2k views

2D AABBs and resolving multiple collisions

Okay, so this is a problem I've been trying to figure out for quite some time. Mine is a 2D platformer game with a world made up of (usually) immobile tiles and mobile sprites, both of which use AABBs ...
3
votes
1answer
209 views

Platform independent replacement for LuaInterface

I'm currently working on a project in C#/XNA, however I'm planning to migrate this to MonoGame so that it can go onto more platforms. The problem is that I am currently using a lot of Lua, and for ...
3
votes
1answer
83 views

Adding class to Game

I work on a little project, and in the past, I used SpriteManager : DrawableGameComponent as my SpriteManager class. I have been told that DrawableGameComponent is not so recommended to use, so I ...
3
votes
1answer
125 views

new graphicsdevice returning null

I tried to make a collision box visible (for testing) with spriteBatch.Draw(with a blank texture) in my TileSprite class. I needed a GraphicsDevice for this so these are my variables: Texture2D ...
3
votes
2answers
254 views

How can I implement screen transitions like in the 2D Zelda games?

I want to implement a screen transition in the style of the 2D Legend of Zelda games (like this). That is, I'd the screen to remain static until the player moves to an exit, at which point the next ...
3
votes
1answer
247 views

Monogame fails to load Effect

I'm currently porting an old XNA game over to MonoGame and everything (including custom shaders) build fine. However when i try to load the xnb file using content.Load<Effect>("BaseDraw"); I ...
3
votes
1answer
78 views

Monogame - Not enough storage is available to complete this operation, on backgrounds

I am making a level selector, which works like a web slider. I am showing 12 levels per page, and I have a total number of 60, which means 5 pages of 12 levels. Each level has his on background ...
3
votes
1answer
253 views

How do I edit a Texture2D at run-time to visually indicate connected tiles?

I'm making a 2D sandbox game in C# and MonoGame, and I have a couple of tile sprites. These tile are loaded in-game as Texture2Ds. I want to have blocks visually connect to adjacent blocks. An ...