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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XNA maximum VertexBuffer size exception

I am trying to build content(a text file contains list of triangles vertices) for an XNA application through a custom pipeline importer. It works ok. But when number of triangles gets near 1m(in this ...
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165 views

Find distance from Vector2 to nearest point in Rectangle

I'm setting up collision detection and I have Walls which store their positions as rectangles. I need to figure out the distance from a Vector2 to the nearest side of a rectangle. If this was two ...
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165 views

Read custom content in MONO-GAME in a cross-platform way

using Mono-Game, i have some custom content files in some binary format (not .xnb) in run-time i need to read the content of those files. i prefer to get a stream, but if something will give me a ...
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72 views

Texture Editing with Multhi-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 cursors position using the ...
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1answer
127 views

In XNA, how do I access a model's dimensions with code?

I'm trying to rotate a model around some axes, but this rotates it around the world origin. I understand that I need to translate the object relative to its own size before rotating it, but I don't ...
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182 views

Smooth player movement in a tile map based engine

The character is moving too much fast, it teleports! Note that a tile is 80x80. Each cell has 4 bools to say if you can go up, down, right, left. Am I doing something wrong with Lerp? This is the ...
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151 views

Actually Implementing “C# as a scripting Language” in XNA

Following an example from this thread, I've made an application that dynamically loads in C# "scripts" (actually, plugins) into my game -- but I've hit a snag: how do I reference the assemblies for ...
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225 views

XNA 4.0 - Using premade .xnb font files

Basically, for our college project, we need to use a font in xna. The only problem is that we are not allowed to install it due to admin rights. Is it possible to use and load the .xnb file that gets ...
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1answer
52 views

Model texturing not seamless at certain zooms? (C# XNA)

I found a very odd glitch with my game this morning. XNA doesn't render certain textured models properly, while other models are completely unaffected. And it's not even like my models are made ...
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1answer
154 views

Is creating a blend state like this possible?

I'm wanting to create a custom blend state that is similar to XNA's BlendState.Additive, but slightly different. I'm wanting something like the 'custom' output below: Is something like this ...
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1answer
101 views

XNA - Darkening background and drawing something on top

In a game a group of friends and I are working on using XNA, we wanted to create an effect where we could darken the screen and draw something else on top of the darkened portion. For example, we have ...
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291 views

XNA game structure question

I see to be running into a problem here. I know it's easier to show code samples so here you go. This is my main game class namespace WindowsGame4 { public enum MoveDirection { Left, Right, Up, ...
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114 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 Microsoft....
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2answers
181 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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23 views

How can I change the gear of my 2D character? [duplicate]

Is it possible to change the clothes of a 2D character(it's a 2D Windows Phone game) without creating new animations for that character? I want that the player can change the clothes of the character, ...
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1answer
59 views

XNA Rendering Blocks

I am currently building a little game in XNA and found something strange. I want to draw many blocks next to another (1x1x1 with a texture on the side) So what happens when I do it this lines ...
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3answers
257 views

How to achieve high Level of Detail on 3D models

I'm developing a 3D space-based game which allows free movement in all directions and features planets. Currently I am using the Visual Studio content manager to import models (spheres) with 2D ...
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1answer
144 views

how to stop camera at the end of world map when zoomed in

Im building a tile-based game, and Im trying to implement zooming in on the center of the screen. My problem is, when I get to the edge of the map and im zoomed in, Im noticing that my camera doesn't ...
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2answers
171 views

Draw many flashlights' focused lights' “circles” on a voxel engine map (and other objects)

So, I've been searching the internet for a while and I still didn't understand how to create a flashlight's "circle" in front of the camera over other objects. I found the following links: using ...
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1answer
95 views

XNA C# Texture Atlases

Fairly new to XNA and not an expert on C# either. So I was following a tutorial, specifically this one http://rbwhitaker.wikidot.com/texture-atlases-1, and there is a bit of code I am unfamiliar with. ...
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1answer
149 views

XNA Starting a parallel Thread during a draw loop is slower than doing the same task in the main thread in update loop

I'm using XNA and all of my drawing is done in the main thread. I am CPU-bound and I thought I could gain performance by moving some non-update logic (like animation update) from the update loop into ...
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1answer
66 views

Bug in XNA Developer function CalculateEigenVector() from the file “xnacollision.cpp”?

I am trying to decipher the content of the Microsoft XNA Developer source file "xnacollision.cpp" and I've found a function that calculates one of the three eigenvectors of a homogeneous system of ...
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1answer
154 views

Pixel Shaders To Create Predator Effect

I am learning shaders, and I figured I would try to use them to create sort of a predator effect. I got to the point where I rendered my level to a rendertarget and passed that to the shader file, ...
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1answer
155 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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1answer
81 views

What is the recommended way to store game entity data? [closed]

The following is specific to my problem, but I believe the principles can be applied to any game. I am currently working on a 3D game which will have many different types of spaceships. The physics ...
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3answers
268 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 ...
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1answer
282 views

XNA game publishing help with incompatibilities via content built at runtime

MY XNA game is finally complete, but I'm having difficulty getting it to run on other Windows computers. I've read similar other stackexchange topics here, here, and here, but I'm still gonna need ...
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1answer
126 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
256 views

How to rotate (YAW) aircraft in XNA?

I'm developing a flight simulator based on Riemer's Blog tutorial (XNA C#). To control the aircraft, I use the following code: Quaternion additionalRotation = Quaternion.Identity; additionalRotation *...
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1answer
125 views

xna - Render background and multiple sprites to a single texture

I currently creating a game and I am trying to render my background and a sprite to a texture. Currently I have the background being rendered to a texture. But I am needing to render both my ...
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2answers
50 views

Flushing KeyboardState

I'm using a simple InputManager class for an XNA game with keyboardState and lastKeyboardState that gets updated and has KeyDown/KeyReleased/KeyPressed functions... but ran into a small problem: I ...
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1answer
379 views

How can I remove Magic Pink from an image at runtime using GraphicsDevice?

In XNA 4.0, I want to load all my textures at runtime, which means I will not be able to take advantage of the content processor. (This is fine because it would allow people to change graphics and ...
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1answer
61 views

Can I generate collision boxes from a model file with BepuPhysics and XNA?

I am currently developing a game using BepuPhysics in XNA 4.0, and I am trying to reasonably match the in game collision Entities with the Model they are associated with. My current workflow involves ...
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1answer
383 views

Fast mesh collision 3D (C# XNA)

I'm trying to write a simple program where a 3D landscape can be walked about with a basic camera. However, I've found it very difficult to do even simple collisions with my terrain. I'm wondering if ...
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2answers
3k views

MonoGame 3.3 Font loading

Is there any way to have fonts in game without making a separate Content Project and adding a .spritefont file in the new 3.3 Monogame? You can now load other resources directly from the Content ...
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1answer
166 views

MonoGame Point filtering movement appears Choppy/Jerky

When you move a sprite that is drawn using point filtering with a decimal number, example : 0.1 pixel or 100 * deltaTime (1.6) the movement appear choppy/jerky because it jumps from pixel to pixel. ...
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73 views

XNA Stop movement when arrived

I'm trying to stop movement when sprite arrive target position. But i couldn't handle it. Sprite still move and pass target position. Here's the code that runs every update to move it. public ...
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1answer
73 views

Problem restoring the game preffered buffer size after navigating from a XAML page. Monogame

I have implemented to my game a simple leaderboard and submit score pages, which are pages in XAML. I used PreferredBackBufferHeight/Width to set the buffer to be equaly on all devices, whether their ...
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1answer
57 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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3answers
72 views

Strategy for keeping a primitive facing the viewport?

Using XNA, c#. I'm writing a stellarium-type of program-- well, trying to :-) -- and I have a 'sun' texture that I'll be pasting onto triangle primitives. I'll also be floating some text above each ...
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1answer
217 views

Apply shader to only a part of a sprite

I'm trying to make an image blur when a transparent image overlays it, I am wanting it only to blur the section that is being overlayed. So if half of the original image is not being overlapped, that ...
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2answers
138 views

Create a big image out of several other small images in MonoGame/XNA

How can I create one big Texture2D out of several other small Textures2Ds? Then display that image instead of all the small images.
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86 views

XNA/C# Shadows look strange in orthographic

I have implemented shadows in to my game engine. They look fine when rendered in projection mode as a projected light, however I get a strange "blocky" look when they are put into orho'. I will be ...
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119 views

Equivalent to Draw() method in Unity project?

I have been using xna/monogame before this. So I read tutorials about unity, made some classes, loaded some sprites, everything "seems" to be going good, but I can't figure out how to add things into ...
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1answer
222 views

XNA renderTarget, how to convert mouse coordinates to world position when upscaling

I'm currently developing a monogame game with a tile engine. I have been experimenting with different tiles and sprites sizes : 16px, 32px, 64px I have settled for 32x32 pixels tiles rendered at a ...
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64 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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474 views

How can I achieve a pseudo-3D camera effect like this?

I am trying to achieve a pseudo-3D camera effect similar to this: I have gotten the following results using a 3D camera and billboards: I am now running into the following problems: In the ...
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46 views

How to play a video and run content at the same time

Alright, so I have a video loaded, and other game content. Earlier this morning, when I was just learning how to actually play a video, I magically happened to get the video running in the background,...
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92 views

Can someone explain to me the difference between 2 XNA methods?

I was recently trying to make a boucing ball off the environment walls. I apparently had everything correct, except for one thing, that I corrected stupidly, which made my code work, but I don't ...
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79 views

How do I make a time lapse in my code so it updates slower?

I have made some collision if statements, but they didn't work. birdbox3.X += 5; birdbox3.Y -= 5; if (birdbox3.Intersects(Banner1)) { birdbox3.Y ...