Tagged Questions

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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1
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1answer
201 views

Tile textures on 3D models. HLSL shader code maybe?

I'm making a game in C# with XNA. I'm now applying textures to models. However if I change the scale of the model, the texture stretches with it. How can I make the texture tile over the model instead ...
0
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0answers
54 views

Pixel-Perfect Collision With Rotation

I know how to implement pixel perfect collision, but how would I do this with rotations applied to my sprite?
0
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1answer
81 views

Path smoothing while path following

I can't find a nice way to do path smoothing while i'm following a path. I have tried this piece of code but aparently it doesn't work as suspected. The idea of how it should work is: Edge 1 (the ...
0
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0answers
29 views

Tiled and tmx files

i started using the software tiled and it very simple to create an image and object positions over there. I am using the library XNA and i would like to load the image and the objects into my code, ...
1
vote
1answer
72 views

How can I create a seesaw with Farseer Physics Engine?

I want to create a seesaw like in this picture: I created two rectangular bodies, one for the diagonal rectangle and one for the little rectangle in the middle. But I don't know how to connect the ...
1
vote
0answers
70 views

XNA - Strange Texture Rendering Issue Using XNA BasicEffect [closed]

I have been reading and working through Riemers 3D XNA tutorials to expand my knowledge of XNA from 2D into 3D. Unfortunately I am having rendering issues that I am unable to solve and I need a point ...
1
vote
1answer
82 views

Predicted target location [duplicate]

I'm having an issue with calculating the predicted linear angle a projectile needs to move in to intersect a moving enemy ship for my 2D game. I've tried following the document here, but what I've ...
1
vote
1answer
38 views

Predicted target location

I'm having an issue with calculating the predicted linear angle a projectile needs to move in to intersect a moving enemy ship for my 2D game. I've tried following the document here, but what I've ...
-1
votes
1answer
71 views

Problem with publishing an XNA game [closed]

I can't publish a game in XNA, if I try there comes out 2 errors: 1)Could not find required file 'setup.bin' in'C:\Users\Trica\Desktop\example\example\ example\Engine'. 2)Cannot publish because a ...
1
vote
1answer
91 views

How do I temporarily pause an XNA game?

Collision with an enemy should pause the game for 1.5 seconds. My failed attempt: bool tPause; float timer; public ovveride Update(GameTime gameTime) { if(!tPause) { // ... ...
3
votes
1answer
211 views

Best way to blend colors in tile lighting? (XNA)

I have made a color, decent, recursive, fast tile lighting system in my game. It does everything I need except one thing: different colors are not blended at all: Here is my color blend code: ...
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0answers
45 views

Converting a WIndows Store App to Android

I cross posted this from SO I'm very new to Xamarin. I have a few published Windows Store apps and want to convert them to Android. I'm attempting to use Xamarin for this. I'm just using the free ...
1
vote
1answer
79 views

Point in Polygon, Ray Method: ending infinite line

Having a bit of trouble with point in polygon collision detection using the ray method i.e. http://en.wikipedia.org/wiki/Point_in_polygon My problem is I need to give an end to the infinite line ...
2
votes
1answer
79 views

MonoGame not all letters being drawn with DrawString

I'm currently making a dynamic user interface for my game and are setting up having text on my buttons. I'm having an odd issue where, when i use a specific piece of code to determine the text ...
0
votes
2answers
218 views

How can I make an object's hitbox rotate with its texture?

In XNA, when you have a rectangular sprite that doesnt rotate, it's easy to get its four corners to make a hitbox. However, when you do a rotation, the points get moved and I assume there is some kind ...
0
votes
0answers
95 views

XNA - Finding boundaries in isometric tilemap

I have an issue with my 2D isometric engine. I'm using my own 2D camera class which works with matrices and need to find the tilemaps boundaries so the user always sees the map. Currently my map size ...
0
votes
1answer
134 views

XNA Load/Unload logic (contentmanager?)

I am trying to make a point-and-click adventure game with XNA, starting off simple. My experience with XNA is about a month old now, know how the classes and inheritance works (basic stuff). I have a ...
0
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0answers
46 views

XNA Guide text input - maximum length

so I am using Guide.BeginShowKeyboardInput to get the user to enter their username. I would like this to be limited to 20 characters, and it seems to break expected behaviour to let them input ...
0
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0answers
51 views

XNA Shader deformation event driven

I’m working on this tutorial trying to figure out how i can modify the code in order to get the deformation along only one axis (for example Z axis) when I hit a button on my keybord. In other words, ...
0
votes
1answer
53 views

Applying textures to 3D models

I want to apply textures to a 3D Model in XNA 4. Whatever I saw on the internet was to apply the textures in the modeling tool and then load the model (*.fbx) into XNA. Is it possible to load the ...
0
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0answers
51 views

XNA Windows Resolution / Mouse Position Bug

In XNA, when in windowed mode and resolution (set via PreferredBackBufferWidth/Height) is close to the resolution of the display, the view is distorted (zoomed in a bit)and the mouse coordinates are ...
1
vote
1answer
61 views

RenderState in XNA 4

I was going through this tutorial for having transparency which can be used to solve my problem here. The code is written in XNA 3 but I'm using XNA 4. What is the alternative for the following code ...
8
votes
1answer
379 views

Picture rendered from above and below using an Orthographic camera do not match

I'm using an orthographic camera to render slices of a model (in order to voxelize it). I render each slice both from above and below in order to determine what is inside each slice. The model I ...
2
votes
1answer
113 views

XNA - 3D AABB collision detection and response

I've been fiddling around with 3D AABB collision in my voxel engine for the last couple of days, and every method I've come up with thus far has been almost correct, but each one never quite worked ...
3
votes
1answer
393 views

XNA, how to draw two cubes standing in line parallelly?

I just got a problem with drawing two 3D cubes standing in line. In my code, I made a cube class, and in the game1 class, I built two cubes, A on the right side, B on the left side. I also setup an ...
0
votes
0answers
106 views

Zooming in isometric engine using XNA

I´m currently working on an isometric game engine and right now I´m looking for help concerning my zoom function. On my tilemap there are several objects, some of them are selectable. When a house ...
2
votes
1answer
310 views

MonoGame audio format

MP4 AAC is a well supported playback format according to the docs, but the MonoGame content project only seems to compile MP3/WAV/WMA formats. I tried to put raw aac files in my android game but the ...
2
votes
2answers
473 views

Zelda-style top-down RPG. How to store tile and collision data?

I'm looking to build a Zelda: LTTP style top-down RPG. I've read a lot on the subject and am currently going back and forth on a few solutions. I'm using C#, MonoGame, and Tiled. For my tile maps, ...
1
vote
1answer
72 views

Textures have lines between them when zoomed out

These are two screenshots from my new game, a top-down RTS with tiles. The first one is from a normal view with no zoom, the second one is a zoomed out view of the whole map: In the first image, ...
2
votes
1answer
84 views

Why are my 2D world click-positions offset after camera movement?

I'm writing a 2D game engine. I need to add a camera to my world that can zoom in and out as well as move away from its initial position at (0,0) at the center of the world. The main issue can be ...
2
votes
1answer
109 views

XNA 4.0 HLSL - strange depth map

I want to draw my pre-rendered depth map to the scene. I get my depth value in the following way: basically (Pixel Shader) // Depth is stored as distance from camera / far plane distance, 1-d for ...
2
votes
1answer
110 views

SpriteBatch, trying to reduce draw calls

This my main draw call: Matrix Camera_transformation = player_camera_.GetTransformation(); // Background - AlphaBlend spritebatch.Begin(SpriteSortMode.Deferred, ...
1
vote
1answer
103 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 ...
2
votes
1answer
45 views

Why is BayazitDecomposer inaccessible when upgrading from Farseer 3.3.1 to Farseer 3.5?

I used the following code in Farseer 3.3.1 and it worked correctly, but in Farseer 3.5, I always get an error message in the following line: list = BayazitDecomposer.ConvexPartition(textureVertices); ...
0
votes
1answer
250 views

Saving and retrieving high-score data in XNA 4.0 [closed]

I made a game in XNA 4.0 and now I need to save the points in a database or in a file (or in something else). My goal is to store and retrieve the highest score if I choose that option in the main ...
2
votes
0answers
103 views

Improving effect performance in XNA

I'm making a 2D, top-down platformer, in which four or five layers are rendered each time the game draws. Everything is fairly performant except for the bottom layer, which is the game map. This is ...
2
votes
1answer
151 views

Does every Windows Phone 8 device have one of a fixed set of resolutions?

Does every Windows Phone have one of the following 4 resolutions? 800x480, 1280x768, 1280x720, 1920x1080 pixels Or is it possible that some devices only have a resolution of 1280x719 or 1279x720 ...
0
votes
1answer
83 views

Do I need to create an HLSL in XNA to display textures without content pipeline

I currently have a jpeg texture stored as a Color array in XNA as RGBA. I also have the vertices of a cube in OBJ format mapped to VertexPositionColor vertex buffer using the VertexBuffer and Indices ...
1
vote
2answers
96 views

Windows 7/8 imcompatibility via XNA?

I have MS Visual Studio 2010 installed on my machine (a Windows 7 Pro 64-bit), and im developing a game in XNA 4.0 with it. I can run the program just fine from the .exe file in the bin directory, and ...
0
votes
2answers
81 views

Player's camera, how to obtain smooth movement

In a 2D platformer, I have a player that can move both horizontally and vertically. I also have a camera that moves in relation to player. In every update I do this: public void RepositionCamera() ...
9
votes
4answers
700 views

Make the player run onto stairs smoothly

I have a 2D Platform game, where the player Always runs to the right, but the terrain isn't Always horizontal. Example: I implemented a bounding-box collision system that just checks for ...
2
votes
2answers
123 views

Properly rendering transparent areas of textures

I'm rendering a tree that contains branch meshes with partially transparent textures. If I render it with AlphaTestEffect and set the ReferenceAlpha to something low, I'll get this. I want to ...
0
votes
1answer
83 views

Incomplete mesh using DrawIndexedPrimitives after rotating mesh

Through help on this site I was able to draw the triangles of an unrotated, nonscaled nontransformed mesh created in Blender and exported to OBJ, accurately imported through Assimp and rendered in XNA ...
0
votes
1answer
229 views

How to properly handle top down 2D collision?

I can never seem to get this right, well polished at least. I'm creating a top down game in XNA, and collision has always been an issue for me to do properly. Detecting collision is fine, but ...
0
votes
0answers
28 views

How to implement a lightmap [duplicate]

I saw this answer and I got what he has done, but how do I create a lightmap same as this one? thanks in advance! (from what lightmap should be built from (array?) and how do I calculate a lightmap ...
0
votes
1answer
59 views

How can I use a filter to scale down my sprites?

I want the best visual result on my Windows Phone if I scale down my sprites from 1920x1080 pixel resolution to 800x480 pixel resolution. How can I use a filter to scale down my sprites? Which ...
1
vote
1answer
92 views

Render error in xna DrawPrimitive for Assimp Mesh

I am trying to render the vertices of a scene with a cube I exported as an OBJ from Blender. The 8 vertices become 24 when imported into XNA but when I render it I dont see all faces. This is not an ...
0
votes
0answers
58 views

Trying to get an object to move back and forth on collision between two collidable objects

Im trying to get a box object to hit a collidable wall on the right and when it hits it move left and hit the left wall and switch back and so on and so forth. Im having trouble with this because ...
0
votes
0answers
73 views

Rendering an Assimp Scene object in XNA without DirectX or OpenGL

Is there any site that explains how to render an imported Assimp Scene object in XNA/MonoGame using only the Frameworks available in those libraries? I realize that would be at the Vertex/Matrix level ...
4
votes
2answers
280 views

How can I support different screen resolutions without scaling the sprites?

I already tried to support different screen resolutions with scaling the sprites. But if I scale my sprites from 800x480 to 1920x1080 pixel, then the sprites look blurry. I want to use different ...