XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

learn more… | top users | synonyms

0
votes
0answers
15 views

XNA rotating sprite with quaternion in scenegraph

I have been trying to set up a scenegraph in XNA, which I then use to draw sprites in the correct places. It uses matrix transformations to accomplish this. So far, I got position and scale working ...
1
vote
0answers
26 views

Colors set in Blender not displayed in XNA

I'm trying to create a colored 3D model for my XNA game in Blender. I don't want to use textures - I need only solid colors. Here's the model, as seen in Blender: After exporting to FBX and opening ...
0
votes
0answers
25 views

Animation of a 3D model's parts from code

I'm creating a game in XNA where will be an object called a tower. Its action can be described as two phases: aiming and firing. Here's a model I'm creating in Blender: I want the tower to have 3 ...
4
votes
1answer
2k views

XNA Platformer Sample: Supporting multiple resolutions?

I have been looking at the XNA Platformer Sample and noticed that, when you change the resolution, the game world still renders at 800x480 and not the new width and height of the display. Can anyone ...
0
votes
1answer
51 views

How can I use a camera matrix with different resolutions?

I created a little jump'n'run game. The character(Mario) is always the center of the viewport. The game is running correctly if I use the resolution 800x480 pixel. But when I use another ...
0
votes
0answers
49 views

How can I use custom shaders in Monogame?

I wrote a shader in XNA and I want to use it in a Monogame Windows Phone 8 project. How can I convert the effect file(.fx file) to an .xnb file? I use Monogame 3.2. How can I add a custom shader to ...
3
votes
1answer
1k views

C# XNA Is key toggled?

I've got a question about toggling keys. How do You check if the key is toggled? Here's my quick and easy code: public class KeyToggle { private bool isEnabled = false; ...
0
votes
0answers
28 views

Deferred Rendering Optimization

I've followed http://www.catalinzima.com/xna/tutorials/deferred-rendering-in-xna/ for my little renderer(using sharpDX - Toolkit) and everything went good, until i noticed some problems: If I'm ...
1
vote
4answers
213 views

Cell Lighting Propagation Problem

I have in place a cell-based lighting system that works basically like this: (Not my actual code) //Light moves up for (int x = 0; x < width; x += 1) { for (int y = 0; y < ...
0
votes
0answers
18 views

XNA 2D Stencil Buffer Rotation

I am currently working on a 2d game related to planets and am trying to get a stencil buffer working with rotation. I currently have a stencil buffer found from another related answer but it refuses ...
0
votes
1answer
91 views

How do you make a bullet ricochet off a vertical wall?

First things first. I am using C# with XNA. My game is top-down and the player can shoot bullets. I've managed to get the bullets to ricochet correctly off horizontal walls. Yet, despite using similar ...
0
votes
3answers
442 views

Basic 2D Enemy AI

This is the basic layout of my game: http://www.youtube.com/watch?v=qcd-CcKWjGU&feature=youtu.be To make him move I just made it so you click left or right to move, just for a test. Anyway, I ...
0
votes
1answer
54 views

How to retrieve a cube collision by faces

I work for a while on a minecraft game (voxel). I am front a problem for a long time about the collision detection. I want recover the cubes collision from my highlighted black's cube like on the ...
9
votes
2answers
4k views

Scripting engine for XNA

Say I'm making this big game in C# with XNA. What options do I have to include a scripting feature to my code base?
2
votes
2answers
55 views

How to use camera transformation without depending on (1,-1) scale during spriteBatch.draw()

I am creating a 2D platformer type game in XNA. I currently have a camera object, with a position/rotation/zoomlevel that I use to generate a transformation matrix to pass to SpriteBatch.Begin(). ...
1
vote
1answer
175 views

Sprite collision with color?

Is this possible? To elaborate, I am making a PacMan offshoot. Essentially it is a "zoomed in" version of the game, but the board is randomly generated. I have 11 .png files each to be used as a ...
0
votes
1answer
246 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 ...
0
votes
1answer
68 views

Rectangle touch sides of another rectangle

I am making a platformer game and im trying to make the player collide with all the blocks, here's a picture: The blocks is stored in List and im trying to get the side's of the block usin static ...
3
votes
1answer
152 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 ...
0
votes
0answers
27 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) * ...
0
votes
0answers
31 views

XNA - Store and define level event [duplicate]

I am currently developing a game in C# using XNA/MonoGame and I face an issue to manage and store my level event. I store my level in XML (Enemies, Spawn location...) and I would like to store my ...
1
vote
1answer
302 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 ...
0
votes
1answer
98 views

Tile System with moving Platforms

I am using a tile based system where the level is stored in a char: char[,] Level2 = {{'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.'}, ...
-2
votes
1answer
42 views

Multiple collisions with single texture in XNA

I am developing a game where I want to implement two or multiple time collision with single object.i mean if two bullets collide to a ship then only it will explode... If a two bullet rectangles ...
2
votes
3answers
330 views

XNA 3.1 to 4.0 Vertex Shader Not Drawing

I have recently been converting our XNA 3.1 game to XNA 4.0 and am stuck on the shaders. I have the game running, but nothing is drawing to the screen, except things not using a shader. This is only ...
1
vote
0answers
64 views

How calculate a new node after cutting a node into an octree

I'm working on a small XNA game, voxel-based like minecraft. I've recently faced a problem in how to delete a node (cube) from an octree and re-calculate the new octree afterward. I have already ...
2
votes
1answer
54 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 ...
3
votes
2answers
461 views

How can I tell what a rectangle intersects with?

I understand XNA's Rectangle class is rather limited, but surely there is a way to tell what a Rectangle is intersecting with? If I had Rectangle boundingBox = new Rectangle(stuff here); how would I ...
1
vote
0answers
26 views

Collision repositioning/resolution help

I've been having a trouble with moving objects out of the hitboxes they've just collided with. Here is my (relevant) code so far: Vector2 oposo = other.position; Vector2 poso = ...
0
votes
0answers
28 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 ...
0
votes
1answer
609 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 ...
4
votes
1answer
368 views

Can't load vector font in Nuclex Framework

I've been trying to get this to work for the last 2 hours and I'm not getting what I'm doing wrong... I've added Nuclex.TrueTypeImporter to my references in my content and I've added Nuclex.Fonts ...
0
votes
0answers
8 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 ...
1
vote
1answer
198 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
votes
1answer
110 views

How can I implement scrolling endless road in XNA? [duplicate]

I am developing XNA game like following screenshot. I created my 3D objects and camera so I have models. But how can I implement scrolling road in XNA?
2
votes
1answer
131 views

How can I use XNA with Visual Studio Express 2013 for Windows?

http://dev.windowsphone.com/en-us/downloadsdk I downloaded the current version of Visual Studio to develop Windows Phone apps, but I don't know how to add XNA. I tried to install XNA, but it's not ...
0
votes
1answer
43 views

Why do I get an error about being unable to change rasterizer states in this code?

I'm trying to toggle between wireframe and full mode while drawing a 3d model. So far I have this rs = new RasterizerState(); In my update method: if (state.IsKeyDown(Keys.V)) { ...
0
votes
1answer
75 views

How do I right-align text?

I'm using SpriteBatch.DrawString, which seems to not have an overload for text alignment. How can I draw aligned text?
0
votes
1answer
45 views

How can I determine if an object hit the top of a tile rectangle in MonoGame? [duplicate]

I've been implementing an AI system in my 2D game using MonoGame. In some situations when a collision between two objects occurs, I need the NPC to move in different directions depending on the ...
0
votes
0answers
61 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 ...
1
vote
1answer
618 views

how to modify shadow mapping in “3D Graphics with XNA Game Studio 4.0”? [closed]

So I've been following the tutorials from the book Sean James's "3D Graphics with XNA Game Studio 4.0", and have been doing fine until i reached the shadow mapping part. in this book it creates point ...
0
votes
2answers
152 views

Farseer: What can I do so that a body can move through a special kind of bodies?

I have three different kinds of rectangles. Black, white and blue rectangles. The rectangles are moving and can collide with each other. But with one exception, the blue rectangle can collide normally ...
1
vote
1answer
395 views

Better way to load level content in XNA?

Currently I loaded all my assets in XNA in the main Game class. What I want to achieve later is that I only load specific assets for specific levels (the game will consist of many levels). Here is how ...
6
votes
1answer
141 views

Optimize state changes within a render queue

I am refactoring some parts of the game engine I am working on. This engine is made in C# with XNA. The part I have trouble with is shader/material and the render queue. In the new version I will ...
2
votes
0answers
241 views

Why is Spritebatch drawing my Textures out of order?

I just started working with XNA Studio after programming 2D games in java. Because of this, I have absolutely no experience with Spritebatch and sprite sorting. In java, I could just layer the images ...
3
votes
0answers
135 views

Optimizing parallax effect with multiple transparent layers?

I have a parallax effect in MonoGame that consists of multiple semi-transparent layers of textures. The effect is really simple but rendering multiple transparent layers on top of each other is rather ...
1
vote
0answers
68 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 ...
0
votes
1answer
147 views

Issues with touch buttons in XNA (Release state to be precise)

I am trying to make touch buttons in WP8 with all the states (Pressed, Released, Moved), but the TouchLocationState.Released is not working. Here's my code: Class variables: bool touching = false; ...
1
vote
1answer
136 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 ...
2
votes
2answers
1k views

XNA: Rotating Bones

XNA 4.0 I am trying to learn how to rotate bones on a very simple tank model I made in Cinema 4D. It is rigged by 3 bones, Root -> Main -> Turret -> Barrel I have binded all of the objects to the ...