Implementation of Microsoft's XNA 4 APIS for Android, iOS, MacOS and Linux.

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1answer
79 views

QuadTree treeNode design question

I'm a programming newbie. I have a Quadtree. I created a TreeNode class that the Quadtree will use as nodes. I have spriteNode that inherits from TreeNode. However, I also have several sprite ...
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1answer
55 views

Why does my camera break mouse position targeting? [duplicate]

I made a short video of this. Basically, when the screen scrolls with the camera, the character begins firing at the incorrect mouse position. You can see where I am clicking the whole time. As we ...
1
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1answer
222 views

How do I ensure that my 2D side-scroller camera stays within the world bounds?

I have tried implementing a basic 2D sidescroller camera in XNA, but I don't want it to be able to scroll past the edges of my tile map! I tried to fix it, but when I get the left side working, the ...
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1answer
110 views

Monogame/Android: Using content from PCL

I'm quite new to Monogame and PCL, but I hope someone can help me with my question. I have a Monogame/Android project with references a PCL which targets .NET 4.5, iOS and Android. The PCL has ...
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0answers
333 views

Generic gamepad support monogame

I recently made the transition from xna to monogame, but I am now stuck in a pretty big problem. I do not have an xbox 360 controller, so i have been using x360ce and dropping the .dll into the xna ...
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2answers
98 views

What image sizes should I use for a mobile cross-platfom game? [closed]

I'm new to mobile development. I use Monogame. What device screen resolutions should I consider to target all Android, iOS and Windows Phone devices? Assuming we have three screen sizes, should I be ...
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0answers
34 views

Image ratios in monogame project

What are the image ratios i should use in my monogame project, knowing that i will build it in different plateforms(ios, android, windows phone). thank you in advance.
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1answer
312 views

Monogame: Why is my sprite looking the same on every resolution?

I want that my sprite(Mario) don't look the same on every Windows Phone resolution. If I use this code, the sprite is on every resolution on the right position but it also has the same size on every ...
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1answer
149 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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1answer
368 views

How can I support different resolutions with Monogame? [duplicate]

I want to support the following 4 resolutions in my Windows Phone 8 game: 480 × 800, 768 × 1280, 720 × 1280, 1080 x 1920. How can I do that with Monogame? If I draw a sprite with Monogame, the sprite ...
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2answers
191 views

How do I hide the console window for my released MonoGame game?

I am just finishing up my first game for the One Game A Month challenge which I wrote with the current MonoGame framework in Xamarin for Windows. I built the program in release mode, but running the ...
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3answers
286 views

How can I properly rotate a 2D vector in the “flipped” XNA client space?

In my 2d XNA game, because SpriteBatch treats world space as client space and has positive Y axis down and negative up, I've built my game's world space with that coordinate system too. However, I've ...
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3answers
754 views

How can I fix this error about loading .wav assets in MonoGame 3.2?

I'm trying to add a music file to my project, but I get the error "Could not load EpicScores.wav asset!" I load the music file like this: Song sound1 = ...
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votes
2answers
717 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 ...
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2answers
733 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 ...
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0answers
166 views

Using obj file in an XNA game [closed]

Sorry if this is a bit novice but I am far more into engineering than game development but I just want to make a small 3D game for fun with XNA (well actually MonoGame). The thing is that I don't have ...
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0answers
121 views

Farseer for platformer - (Almost) constant velocity

I am building the prototype for a platformer and would like to use farseer physics engine. I got the feedback that it might not be a good idea to use physics engine, but I would like to have elements ...
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3answers
380 views

Code to generate a color gradient within a texture using a diagonal line

I want to generate a color gradient between two colors from x1,y1 to x2,y2. I'm unsure how to do this though. I can use Color.Lerp to get all of the color steps, but the problem is that I don't ...
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2answers
336 views

Anti-aliasing a sphere

I render everything in my game in 2D with SpriteBatch with the exception of a spherical entity (orb) that I render as a spinning and dynamically lit (custom effect) sphere in 3D. I capture the sphere ...
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4answers
3k 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 ...
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vote
1answer
298 views

Is setting the render target back to backbuffer supposed to take long?

I am creating a game in Monogame (XNA extension). I draw to a render target to display menu items for my game. Everything works fine, however... Whenever I set the render target back to the back ...
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1answer
137 views

Better way to handle ordering and visibility of renderable objects?

I'm just wondering whether there is a more effective way to handle the ordering and visibility of renderable components that fits into the design of my already existing engine. How I do it now: In ...
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1answer
269 views

What is the value of gameTime.ElapsedGameTime.TotalSeconds?

I was wondering what is exactly the value of gameTime.ElapsedGameTime.TotalSeconds in a second? Please explain it to me completely and as great as you can.
2
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1answer
276 views

What can I safely do with the MonoGame GraphicsDevice on multiple threads?

I'm working on a UI system that does it's processing on a separate thread. However, the results of this processing must end up on the GPU eventually. A simplified overview of the system boils down to ...
3
votes
1answer
487 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 ...
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0answers
126 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 ...
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2answers
604 views

Get current window position with Monogame

I'm looking for some help figuring out the current position of the Monogame windowed form. My ultimate goal is to figure out when the user is clicking inside of the game window and where they're ...
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2answers
765 views

Where is MonoGame's API reference?

I wanted to pick up Monogame, but I can't find documentation. All I see on GitHub is some tutorials. I'm looking for class reference like this from XNA.
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2answers
2k 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 ...
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1answer
244 views

XNA Monogame GameState Management not deserilaizing

I am having some trouble serializing/deserializing in a little game I am doing to teach myself monogame. Basically, I am using the gamestatemnanagement resources common to monogame (screen manager ...
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1answer
654 views

MonoGame - when/how to save data

I am making a simple 2d game for WP in monogame/xna and am at a point where I want to save data. I have created a method to serialize the data (index, counter and percentage counter) to an isolated ...
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2answers
341 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. ...
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2answers
276 views

Workaround for Texture2D.GetData

I’m converting a game from XNA to iOS with Monogame. In the code snippet below, smallDeform is a Texture2D on which I call the GetData method. smallDeform = ...
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3answers
391 views

Encode two integers into colour values and compare them in a HLSL shader

I am writing a 2D point and click adventure game in Monogame, and I'd like to be able to create an image mask for every room which defines which parts of the background a character can walk behind, ...
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1answer
148 views

Programming and drawing to deal with different screen sizes and resolutions

I started making an XNA game years ago and picked it up recently. I'm looking later to convert it to use Monogame so that it can be deployed on various mobile devices and OS, though I have a sinking ...
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0answers
98 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; ...
3
votes
1answer
312 views

Is multipass rendering possible with SpriteBatch?

I'm trying to implement a bloom effect. This requires three shader passes: a brightness threshold, a horizontal blur, and a vertical blur. It also requires resizes, but these are irrelevant to the ...
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vote
1answer
706 views

Drawing sprites to a permanent Texture2d using Monogame / XNA

I'm working with Monogame to do a 2d sprite engine. I've gotten it work pretty well where I can move lots of sprites around the screen with the effects and positions that I want. Last night I tried ...
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0answers
269 views

Monogame is not using GPU? [closed]

I have the following code in Draw loop: for (int i = 0; i < 512; i++) { for (int j = 0; j < 512; j++) { spriteBatch.Draw(Textures.Grass, ...
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1answer
345 views

Why isn't this UIButton visible in Xamarin.iOS?

I'm trying to implement buttons into my game. I noticed iOS has the UIButton class, which I tried, but upon drawing it nothing is shown. The asset image is properly loaded, I've checked this. The ...
2
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1answer
220 views

XNA calculate normals for linesegment

I am quite new to 3D graphical programming and thus far only understand that normal somehow define the direction in which a vertex faces and therefore the direction in which light is reflected. I have ...
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vote
2answers
186 views

Input of mouseclick not always registered in XNA Update method

I have a problem that not all inputs of my mouse events seem to be registered. The update logic is checking a 2 dimensional array of 10x10 . It's logic for a jewel matching game. So when i switch my ...
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0answers
217 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 ...
2
votes
1answer
471 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 ...
0
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1answer
194 views

C# Collision Math Help

I am making my own collision detection in MonoGame. I have a PolyLine class That has a property to return the normal of that PolyLine instance. I have a ConvexPolySprite class that has a List ...
0
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1answer
102 views

IOS monogame 17 seconds debug timeout

I'm trying to debug a monogame application using xamarin studio and breakpoint. Is it possible to disable the 17 seconds timeout on the FinishedLaunching function?
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1answer
2k views

How do I make a health bar that drains when the player takes damage? C#/XNA

I've drawn a Health Bar before and had it drain/refill on a button press using if statements and rectangles. First I loaded the image, then I set a new rectangle to be equal to the image's height and ...
1
vote
1answer
391 views

XNA - Where should I start playing a song?

I am just wondering where is the best place to start playing the background song for a game. In the loadContent() method, Draw(), or Update() methods or when I initialize it? I am trying to make it ...
0
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1answer
852 views

Loading sound file into monogame

I'm trying to load sound into my game. I downloaded an .mp3 sound (a second long) and tried to load it both as Song and as SoundEffect, but it didn't work, so I tried loading the same sound but as ...
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2answers
140 views

XNA Calculate two points of triangle with given Z

I want to calculate the two points of a 3D triangle that have a specified Z coordinate. I guess the way to do this would be to somehow create a plane which is perfectly flat with my given Z coordinate ...