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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4
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1answer
146 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 ...
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 ...
2
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1answer
199 views

How to implement simple shadows on XNA?

UPDATE: See photos below the description I try desperately to implement shadows on my XNA games. My game is a style of games like Voxel (minecraft). The problem is that I do not find support / ...
2
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1answer
313 views

How can I deal with actor translations and other “noise” in third-party motion capture data?

I'm working on a game, and I've run into a problem with motion capture data. My team is using 3DS Max 2011 and trying to put free motion capture files on our models. The problem we're having is it ...
2
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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 ...
2
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1answer
429 views

Why am I seeing unbounded memory usage in my WP8 game?

I recently upgraded to VS2012 and tried my game out on the new WP8 emulators. I was dismayed to find out the emulator now crashes and throws an out of memory exception during my sprite loading ...
2
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1answer
890 views

Has anyone got the Krypton Lighting Engine working in MonoGame for Windows 8?

I've converted the core of the Krypton Lighting Engine so that it's compatible with Windows 8. The trouble I'm having when actually using it is that it can't load the KryptonEffect.xnb file. I'm ...
1
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1answer
56 views

Smooth slow pixel art movement MonoGame/XNA

When ever I move a sprite that is scaling using point filtering slower then 1 pixel for example 0.1 pixels the movement becomes choppy/jerky instead of moving in sub pixel movement it jumps from pixel ...
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1answer
36 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 !
1
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1answer
38 views

Event handling on own UI implementation in XNA

I´m creating a game in XNA with my own UI and its controls/components. Currently I have some problems with the event handling. Let me tell me the way I do it right now. Every object is handles as a ...
1
vote
1answer
186 views

AI movement in 2D

I've got a prototype of a game I've been mocking up and found myself struggling to find a solution for AI movement in a 2D tile based game. Here's the issue: The player is free to roam throughout the ...
1
vote
1answer
134 views

Understanding how texCUBE works and writing cubemaps properly into a cube rendertarget

My goal is to create accurate reflections, sampled from a dynamic cubemap, for specific 3d objects (mostly lights) in XNA 4.0. To sample the cubemap I compute the 3d reflection vector in a classic ...
1
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1answer
300 views

Disappearring instances of VertexPositionColor using MonoGame

I am a complete beginner in graphics developing with XNA/Monogame. Started my own project using Monogame 3.0 for WinRT. I have this unexplainable issue that some of the vertices disappear while doing ...
1
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1answer
764 views

3DS Max MassFX — Animation to XNA without bones/skins?

I made a model in which a number of cobble stones fall into a hole using the rigid bodies in 3DS Max 2012 MassFX. They are just editable polys, no skin, no bone. I want this to play (Take 001, 0-100 ...
1
vote
1answer
946 views

Drawing Shape in DebugView (Farseer)

As the title says, I need to draw a shape/polygon in Farseer using debugview. I have this piece of code which converts a Texture to polygon: //load texture that will represent the tray ...
0
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1answer
40 views

Creating a queue for BeginInvoke method - loading chunks

I have a voxel game similar to Minecraft. I have a funciton PushLoadedChunks(Direction) that pushes all of the loaded chunks forward, backward, left, right. This is done with ...
0
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1answer
54 views

Center a 3D model to cursor's position

I am having a hard time understanding how to go about this. I have a 2D game with some 3D models in it. I want to move a 3D model to where the mouse cursor is currently at in every frame (In other ...
0
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1answer
55 views

Camera movement constrained to pixel boundaries

So a friend and me, we are currently making a game in C# using XNA. We are trying to get the camera to move in full pixel motion, but we just don't get it right. This concept is hard to explain, but ...
0
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1answer
41 views

XNA Distortion Shader problem

So I came up with a distortion pixel shader in hlsl, but it has some issues. First of all, here is how it works: The shader uses another texture generated by the program as a distortion "map" (if ...
0
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1answer
21 views

How to DrawUserPrimitives after Drawing a separate Vertex List

I am currently making a voxel based game and so far I have chunk loading working well. My voxels are stored in an array, then pushed to a VertexBuffer, then drawn as a triangle list. My problem is ...
0
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1answer
72 views

How i can do colisions with irregular hitboxes [XNA]?

I'm developing my new platform engine and i don't know how to program collisions with slopes - I'm using hitboxes. For the collisions of rectangles i use this: if (player.rec(Position, ...
0
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1answer
118 views

Lightning bolt effect with particles is not continuous

I am Drawing a lightning effect animation using this image: Below the result: As you can see the outcome is not a continuous purple color as I wanted it to be, but it has black spaces in ...
0
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1answer
76 views

XNA: How to capture precise time of button press?

I'm guessing the default XNA model encourages checking for button presses in Update(). However, I am developing a game-like application for research and need to measure reaction times as quickly as ...
0
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1answer
37 views

How to order objects with the same depth in the spritebatch cycle?

I have a tilemap in a isometric 2.5 view and i have also many objects moving and static. The problem is many statics are standing in a "integer" place for obvious reasons and the depths of each object ...
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0answers
36 views

XNA - Link between Create Rotations matrices

A friend of mine have been coding some rotations on my XNA project, but the order of the matrices rotation are not good. Some are of form : Matrix.CreateRotationZ(1.21f) * ...
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53 views

How to import fbx into XNA?

I am developing basic XNA car game. I used 3D fbx car models to represent car objects. I drag and drop all tga and fbx files into content and I succesfully showed car in my game by using some basic ...
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30 views

How to use CCGrid3DActions in Cocos2d-XNA?

For example, I want to add a CCLiquid action to my player shield in my game. In my Player class: public Player() { // code snippet when creating new Player CCSprite shield = new ...
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90 views

Farseer: How can I break a body into multiple pieces?

I created a breakable body but the pieces are not flying around if the ball touches it. What is wrong? Why is the breakable body not breaking into pieces? I made a video and I enabled debugview, so ...
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32 views

How do I optimally give current UVs to the shader for animating a spritesheet?

I've implemented sprite animation by passing UVs into the shader with the good-ol' shader.SetParameters[] call. In the vertex shader, I lerp the new UVs with the Texture Coordinates of the original ...
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93 views

Precalculating timespan of bullet collision on cubic bezier curve circles?

I'm fairly new to game logics, C#/XNA (The language/library of choice) and bezier curves in general, and is stuck in my current project. I'm going to try to explain as thoroughly as I can what the ...
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0answers
112 views

Monogame/XNA Invert Screen Y Axis

I am trying to invert the direction of the Y axis in Monogame from positive downwards, or screen space, to positive upwards, so that my world transformation matrix makes more sense. It seems ...
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0answers
74 views

Drawing objects that visible on the screen

So I generated a terrain using list's of tiles, and I display it only if its visible on the user screen (if he move's to the right, the tiles that aren't visible wont be drawn, for performance ...
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151 views

Farseer Player Movement and Collision

I have added a video link for any one who whats to see what the problems are by watching the game. I am trying to create a player movement system and there are small problems that I am running into. ...
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203 views

Non-rectangular hitbox methods in XNA

I'm creating a 2D top-down RPG, and many of my buildings/scenery have non-rectangular corners to the textures. Does anyone know a good way to create circular/triangular/polygonal hitboxes, or is too ...
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0answers
63 views

“Blinking” graphical bug when rotating shadow matrix

So, we have implemented Krypton shadows into our code for our 2D game, and it's working beautifully. Only issue is that we're running into a bizarre graphical bug when rotating the shadows with the ...
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0answers
137 views

Smooth circular collisions with edges/collision boxes [C# + XNA]

So, me and a friend are working on our top-down perspective 2D game, and have come to work on perfecting our collisions. In its current state our player sprite is colliding with walls, but is ...
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0answers
57 views

Spritefonts gets very messed up when scaling up

I'm recoding a retro video game, but because the original resolution is very low, I scale everything up. I render to a renderTarget and render the renderTarget to the target resolution. I'm using my ...
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0answers
121 views

Bounding box not right rotation XNA blender object (.fbx)

I am importing .fbx models (a simple cuboid), the model itself displays fine (and is repeated to make a wall) however the bounding box seems to be on the wrong rotation. Below is a screen shoot: ...
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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; ...
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54 views

XNA speed up content compile with multiple content projects: what to do when two assets reference the same sader file?

Right now our content is being compiled over the course of 10 minutes. Given that we literary have no content yet, it is a huge timebomb waiting to explode once we start ading it. As we build the game ...
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0answers
156 views

Incorrect frustum culling with center/half-size AABB

I'm trying to implement an axis-aligned bounding box with center/half-size instead of min/max. And I have some problems when it comes to create a method to detect if the aabb is visible or not. I try ...
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0answers
142 views

Overlay partially transparent texture onto another, but not the background

I'm using XNA and C#. I have two shapes (texture2ds), and I want to overlay shape 2 (50% transparent square) over shape 1 (opaque circle), but I want to get Option B, not Option A. I basically want ...
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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 ...
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0answers
279 views

Farseer: Difficulties with implementation of DebugView

I added the project "Farseer Physics Engine 3.3.1 HelloWorld XNA\DebugView XNA\DebugView XNA.csproj" to my solution explorer in Visual Studio. In addition, I added a reference to my project and the ...
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0answers
141 views

How can I efficiently store Vertex data in C#/XNA?

I am creating a terrain system using voxels in a somewhat minecraft-like style and I was wondering if there was anything I could do to increase the number of vertices I am able to store (and therefore ...
0
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0answers
348 views

HLSL Triplanar texturing and multi texturing performance

I'm stuck for my terrain rendering shader code for DX9. I'm looking to implement triplanar texturing, a texture atlas, and blending between different textures. Right now it's working. The problem is ...
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129 views

Draw mesh with multiple bones

So I currently have an object made up of only one mesh. And this object contains three bones. One for strecthing the mesh left, one for streching the mesh up, and a center bone, which moves the object ...
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0answers
142 views

Creating Primitives and Model from Texture2D Xna 4.0

So I was playing around with XNA working on a 3d engine with 2d sprites as characters and objects. After a while I became very unhappy with the way the sprites were being scaled and billboarded so I ...
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0answers
167 views

XNA C# Phun-Style Window Movement Effects

Ok, so I'm making a game in XNA similar to Uplink (computer hacking) and I have a lot of ingame panels that display information, such as mission details, emails, passwords, and so on. To add to the ...
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0answers
321 views

Creating a steady rhythm for music-based game in XNA

I'm looking to develop a game for Windows Phone to explore an idea I had which involves the user building notes into a sequencer while playing a puzzle game. The issue I'm running into is that, while ...