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

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440 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
741 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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113 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
4k 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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5k 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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60 views

Get the difference between 2 matrices

Hi I'm using C# and MonoGame, and have the world matrices of 2 objects. I need to get the difference between them, so I can effectively parent the second object onto the first. The aim is to get to a ...
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2answers
154 views

Monogame resolution problem (without scaling sprites)

So I'm working on a project and started working on a scaling system for different resolutions. I know if you change the monogame resolutions, that the texture won't scale but I noticed deformed ...
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2answers
361 views

Textures rendering upside down and small with Pixel Shader in Mono Game but not XNA

I'm new to HLSL, attempting to use MonoGame to do some simple post processing effects. Here is my HLSL file, taken from one of rbwhitaker's xna tutorials (I would post the link, but can't post more ...
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149 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
75 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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2k views

In Monogame, why is multiple tile drawing slow when rendering in “windowed fullscreen”?

I have this drawing function (recommended as a solution here). It draws tiles on the whole window with no problem but my game slows down to ~30fps after maximizing it to "windowed fullscreen", which ...
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487 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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94 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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1k 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
5k 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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73 views

Fade to first level, on click

Good evening all, about to pull my hair out because I cant figure out why I keep getting this error. The problem is this, I need the player to click on the start button, then, the screen will fade to ...
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2answers
42 views

Shader models, when to use “ps_4_0_level_9_x” instead of “ps_4_0”

I've made a very simple post processing shader for my 2D game. It produces scanlines by dimming every other line. For this I use the position of the pixel on the screen. When using ps_4_0_level_9_3, ...
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1answer
83 views

Check collision with rectangle and pixels

I have done a function to check the pixels collision against two animated sprites, and now I need to check a "Rectangle x animated sprite" collision, but I have no idea how to do this. I tried to ...
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102 views

HLSL Shadowmap shader for large scale environments

I'm working on a racing game in Monogame. The game runs fine so far using Monogame's BasicEffect (link to video). I wanted to add shadows so I implemented a shadowmap using this as a base. and a ...
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1answer
227 views

Monogame - Screen transition with fading

I'm trying to create a fade logic with Monogame for my screen transitions. I've read tutorials online but I'd like to work with Premultiplied Alpha for the fading. I've seen people add 1x1 pixels ...
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1answer
368 views

Can I export a model and texture from a terrain file built in Unity3D?

I am mostly familiar with building my level maps within unity, and have become quite use to its inbuilt terrain creator, in both generating my terrain, and spraying a texture on to it. I am making a ...
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1answer
141 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
289 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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110 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
171 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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124 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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382 views

Drawing the same model multiple times

I am looking ways to improve the efficiency of my draw method in XNA/Monogame and understand how things work. I have just a group of 4 models (bricks), (red, green, blue, yellow) I am drawing multiple ...
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2answers
903 views

How to correctly enable anti aliasing in XNA?

In my project when I add graphics.PreferMultiSampling = true; this line in the Game1 Constructor (as the msdn website suggests), anti aliasing does not enable. Any idea what I might be missing ? Here ...
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327 views

Compiling the Latest MonoGame.dll on GitHub

I've been searching for hours, but still I cannot find "How to compile the latest MonoGame source code from GitHub". I have tried cloning the GitHub project (develop branch) and I've been looking for ...
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1answer
200 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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117 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
2k views

How to have an event occur after x seconds?

I want a method to run after every 10 or 15 seconds. My timer is set to: timer = (double) gameTime.ElapsedGameTime.TotalSeconds; What would be the logic to check for every 10 or 15 seconds?
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1k 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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277 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
164 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
1k 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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417 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
647 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
570 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
439 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
536 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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324 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
968 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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545 views

MonoGame: PC + Mobile?

I'm researching Monogame. Their goal is to allow "easy" porting of an existing XNA/Windows game to mobile. Does this mean you can have one solution (theoretically) with shared code, and it works on ...
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1answer
43 views

Rendering issues in Monogame when using shaders

I am currently fiddling with Monogame, trying to work with Shaders and I have encountered a really weird issue. If the first ever draw in the application's lifetime is with a custom shader all further ...
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1answer
124 views

Monogame scale/resizing texture without stretching the borders

I would like to scale or resize my texture2d but when I do it, the texture border becomes stretched. Here's an example : This is my original texture And this the texture after I change the Scale: ...
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41 views

MonoGame, sprite to rectangle

I'm bucking the trend and working with MonoGame in VB2015, please don't tell me how brilliant C# is and how I ought to learn that, I really can't be bothered, and all the }}{}{{{}{ drives me insane!! ...
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1answer
58 views

HLSL pixel inside a view (cascaded shadowmapping)

I'm figuring out shadowmapping in HLSL (see also this question). I understand that I need projection matrices for each cascading shadowmap. I use this code to create the projections: Matrix ...
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1answer
155 views

MonoGame does not generate xnb from png

I am coming straight from XNA and I installed the latest version of MonoGame today (2015-12-22) for Visual Studio 2015 Community. I created a project from the windows Project template. I right ...
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329 views

How to restart the game when pressed enter in XNA

If the following code allows the game to exit when pressed esc .. if (gamePad.Buttons.Back == ButtonState.Pressed || keyboard.IsKeyDown(Keys.Escape)) { this.Exit(); } Then this code should ...