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

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394 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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2answers
74 views

XNA/Monogame inverting a BoundingBox

I have a box that is drawn around my game that I want to check collisions with. Currently my BoundingBox is made in a way that whatever is inside the box is colliding with it: BoundingBox bb = new ...
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1answer
75 views

How can I change the rendering backend on Windows in Monogame?

I'm using MonoGame with Visual Studio 2013 Express. I'd like to switch from a SharpDX backend to OpenGL and OpenAL. How do I achieve that?
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1answer
392 views

How can I create a resizeable 2D camera with parallax scrolling?

I want to create a Windows Phone jump-and-run game with parallax scrolling. The character should always be in centered in the viewport. I use the following camera so that the viewport looks on every ...
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3answers
448 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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1answer
2k views

What is the status of Monogame now that XNA has been discontinued?

XNA has officially been discontinued, with support no longer being offered by Microsoft. Does this mean that Monogame has died also? I see that the site still says it is based upon XNA 4. What is the ...
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1answer
110 views

Where to put input detector?

So below is the usual XNA Game Component override method. If I want to add a touch input detector (lets say, I want to draw a rectangle under touched screen area), where do I put it and how? Googled ...
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3answers
3k views

MonoGame performance better then XNA?

I am currently thinking about porting a XNA game to other platforms using MonoGame. Do I understand this correctly that I can expect the game to render faster even under Windows 7 due to the use of ...
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3answers
4k views

MonoGame Mac installation instructions [closed]

Does anyone know how to install MonoGame on Mac. I have been looking around for a while and I can't find any guides. I have Mono and MonoDevelop up and running fine, but I cannot figure out how to ...
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1answer
95 views

FPS issue between computers results in slow down of animations and moving

I have been developing my game on two computers. I recently got a new computer and have noticed an issue that seems to be happening in my game. When computer 1 runs the game at 60 FPS everything ...
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2answers
70 views

Better way to position objects in a Matrix/Grid shape

I am working on space a invader game and I'm trying to build levels such that in each of them, the aliens are positioned in a different shape. I have a rectangle shape, circle shape, and a grid-like ...
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1answer
291 views

How do you create a .XNB Font file for use with CocosSharp?

I know the .XNB file format is an XNA thing and that CocosSharp inherits this from its MonoGame roots. However there doesn't seem to be any information on how to create your own .XNB fonts to use with ...
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78 views

How do I measure a string that will be drawn with SpriteBatch?

Is there a way to measure width and height of an ever-changing string (a player's score, specifically)?
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759 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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3answers
4k views

How to create / draw clickable object (such as Button in WinForm) in XNA WP8?

I am developing a 2D (No 3D in every aspect) Windows Phone 8 turn based tactical games for my college project. I use Monogame. I want to draw an object similar to Button in windows form, that if the ...
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1answer
20 views

Adding shadow and other effects on a spritefont Monogame

Is there a way that I can add shadow effect on text drawn in monogame? Because you cannot add shadow effect when creating a new spritefont file in Monogame Content Pipeline. Thanks.
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1answer
37 views

MonoGame deltaTime isn't the same in Draw function as in Update function

In the Update function gameTime.elapsedGameTime.TotalSeconds always gives me 0.01666666667 which is the deltaTime value for 60 FPS, no matter if the FPS is 30 it always shows me 0.01666666667 but the ...
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1answer
189 views

Word in different color in middle of string XNA

Is it possible to use different font colors for the same string, for example, when buying a weapon in CoD AW Exo Zombies: How do I do this? Thanks.
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1answer
50 views

XNA/MonoGame RenderTargets not working

I'm having a problem with drawing 2 RenderTargets to the screen. using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Xna.Framework; using ...
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2answers
93 views

How to draw to a surface, then draw that surface to the screen

i have a 2D MonoGame Game (using DirectX), that was originally an XNA game. It involves prerendered shadows (they are Texture2Ds drawn with SpriteBatch.draw). Right now the shadows are being drawn ...
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1answer
82 views

Overlapping Vertex in DynamicVertexBuffer draw priority?

I am creating a voxel game, and I have recently run into an issue. My world is drawn by a DynamicVertexBuffer, which just consists of vertices for the blocks themselves. On top of that, I switch ...
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2answers
114 views

Scaling sprites in XNA 4.0/Monogame

So I looked up a tutorial on how to scale sprites in XNA and I think I have it all figured out. The only problem is that I want to use a spriteBatch.Begin() method overload without changing anything ...
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1answer
141 views

Monogame on GitHub

I've been searching for hours but I cannot find "How to compile the latest monogame source code from github"? I have tried cloning the github project (develop) and ive been looking for the solution ...
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1answer
106 views

How to handle input in Monogame

I've just switched over to MonoGame from XNA. Since MonoGame is supposed to have the same API (implying that any copied code should work as usual), I've run into a strange issue- input doesn't seem to ...
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1answer
100 views

Inventory management syncronized network

I'm implementing an inventory system with items in 1x1 slots in a open-world multiplayer game. But I can't decide how I want to synchronize the item management with the server. I see two options here. ...
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1answer
636 views

Loading a stream/asset on Android MonoGame without ContentManager

In the game I am developing, I have created a serializable class that generates a .map file for saving and loading levels. In XNA, this works great using the following code: FileStream fileStream = ...
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1answer
160 views

How can I scale Farseer bodies so that they work on different screen resolutions?

I created a little Windows Phone 8 game that supports multiple resolutions. If the resolution of the device is less than 720p, then the sprites and their corresponding Farseer bodies need to be scaled ...
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1answer
143 views

[ C# ]xna to monogame

I'm thinking of going back to xna and c# because I have used java 2d, slick 2d and some other libraries. I started off with xna and c# but ignored it for java. I'm thinking of going back, but I see ...
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2answers
920 views

Adding 'xna content project' reference to monogame project(visual studio 2013 pro)?

I want to add reference to an xna content project. Which should be like the content project reference we have in an xna windows game. I am on visual studio 2013. I got the xna extensions to work by ...
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1answer
472 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 ...
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1answer
439 views

Best way to load texture2d tiles in xna?

I am making a test xna game as a learning exercise and I have a small question about using 2d textures. Basically the game is a grid of different 'tiles' which are taken from a text map file. I ...
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2answers
358 views

Throttling MonoGame actions (explosions, sounds, etc)

I'm trying to find a way to deal with throttling/managing actions that need to happen on a regular (regulated) basis. Right now, if I want to throttle an "action" in MonoGame I need to setup a ...
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1answer
412 views

MonoGame Cross-Platform Conditional Compilation Symbols

What are the possible compiler directives for MonoGame? For example, XNA contained directives for WINDOWS, XBOX/XBOX360, and WINDOWS_PHONE. I've also seen DIRECTX and OPENGL, but when would you need ...
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1answer
245 views

Using IGameComponent and related interfaces in MonoGame

I am trying to port a XNA project to MonoGame which involves a DLL game library that I created. This library uses the IGameComponent, IUpdateable and IDrawable interfaces to load one of my library ...
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2answers
731 views

Color sprite tint with opacity in MonoGame/XNA

In MonoGame I am using SpriteBatch to draw sprites. I want to create a semi transparent overlay that would 'tint' the sprite with a given color. SpriteBatch.Draw accepts Color parameter that allows to ...
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2answers
41 views

Best practice for scrollable viewport rendering

I am working on a tile based game that renders the playing surface in a viewport. I am struggling with getting my head around the mechanics and best practices of rendering a viewport, specifically a ...
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1answer
38 views

User extendable content with Contentmanager

I developed a towerdefense game that uses xml-Files for almost everything, (creeps, levels, towers, upgrades). Those Xml-files define properties like textures, sounds and values like hitpoints. My ...
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1answer
27 views

6DOF camera: inverted yaw and roll when orientation changes

Whenever I change the orientation of the camera, yaw and roll become inverted (or correct); the strafing, movement and pitch do remain correct however. Can you tell what is causing this and how to ...
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1answer
42 views

Issue with rotating particle effects with DrawUserPrimitves

I am creating a voxel-like game in XNA/Monogame. I am trying to create particle effect of which I create by making a list that is populated every frame. My issue is here: I am using a WorldMatrix to ...
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1answer
174 views

Is sidescroller movement just offsetting the background?, MonoGame/XNA

When I make a sidescroller game and what to move my character do I just offset the background, or is there another better way?
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1answer
75 views

XNA Monogame - Move .dll and .xml root folder

I was just wondering if it's possible to move the dll and xml files into a subfolder, like in this picture: Thanks !
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1answer
100 views

MonoGame InstancePlayLimitException on Windows w/ OpenGL

Why am I getting the InstancePlayLimitException when playing several SoundEffects per second despite there being no limit unless programming for mobile? It occurs after only a few seconds of repeated ...
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1answer
44 views

Porting WP8 to IOS GraphicsDevice Error (Monogame/Xamarin)

I seem to be having a problem porting to IOS. I have my game working on WP8 and Android with any major issues but when trying to run on iPhone I seem to get an error when initialising the ...
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1answer
143 views

Monogame Windows Phone 8

I want to port a WP7 XNA game to WP8 using MonoGame. The thing is that I have Windows 7. So here's the questions (if some sound dumb, please bare with me). Do I need to have Windows 8? Do I need to ...
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1answer
194 views

XNA Texture.GetData “Size of the data passed in is too large or too small for this resource.”

I am attempting to retrieve the color data for a given sprite located on a texture atlas by creating a new color and passing a source rectangle width and height for the given sprite. I am then passing ...
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1answer
67 views

Use of SpriteFonts without installing on host machine

I am working on a Windows game for my university project. In this project I am using a custom TrueType font which is not installed on any university computers. For submission my game is required to ...
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1answer
186 views

How to draw a diagonal fade-in and fade-out?

How to draw a diagonal fade-in/fade-out in 2D using MonoGame draw API? For a simple (non-directional) fade-in/out drawing the background with alpha variation do the tricks, but what is the standard ...
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1answer
63 views

RenderTarget2D moves with scene

I encountered a strange RenderTarget issue, in XNA/Monogame. I am currently updating my render target at every frame, just to test to see what is happening. When I move the camera around, the ...
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1answer
61 views

Trying to implement bounding box collision

I've been trying to do collision detection using the Intersects() function with two rectangles. I've got a player and multiple enemy's. When the player intersects with an enemy a bool var is set to ...
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1answer
461 views

MonoGame hosted in a control/form

I would very much like to host my monogame window inside a Form so that I can take advantage of the nice gui elements in the C# framework when creating a simple level editor. I have looked online, but ...