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
vote
1answer
112 views

XNA 4: GetData from Texture2D and Set it into Texture3D with specific order

I am trying to convert my color grading 2d lookup texture into 3d LUT. When I simply use: ColorAtlas.GetData(data); ColorAtlas3D.SetData(data); I get this: I tried building my 2d atlass ...
4
votes
1answer
131 views

Problem building a color grading map

I am trying to build a default color grading map into a 1024x32 RenderTarget. Here is my shader code: VertexShaderOutput VertexShaderFunction(VertexShaderInput input) { VertexShaderOutput output; ...
-2
votes
1answer
98 views

How to remove line between two Points XNA 4.0?

I'm new to XNA and wondering if it is possible to remove a line (that lies between two vectors) when the mouse clicks on that line. I've searched everywhere but I can't seem to find anything. My ...
3
votes
2answers
303 views

How can I determine the contact point of a collision?

I have two Farseer bodies. A static rectangle and a dynamic ball that is flying around. I want to determine where the ball touched the rectangle. I need the exact coordinates of the contact point. ...
1
vote
1answer
93 views

Height and width of a Farseer body?

I have a body named PersonA. If PersonA collides with another body, the width and height of that body should be saved. I tried it like this but I always get error messages that "Width" and "Height" ...
3
votes
1answer
267 views

How do I avoid pathfinding characters getting stuck in corners?

I used A* pathfinding to return a list of Tiles to get from an enemy to the player. After that, I wasn't sure how to actually move the enemy. What I ended up doing was get the first Tile in the path. ...
1
vote
0answers
73 views

gap when drawing string with xna [closed]

This is how the drawing works without the camera2D class: and when I add the camera2D class from this link This is the result: I changed the "Play" text to "PlayAAAAAAAA" to show you the gap. This ...
13
votes
2answers
1k views

How can I create a bomb explosion in Farseer that pushes nearby objects away?

I'm trying to create a bomb explosion in Farseer. I created a circle for the bomb. However, if the bomb explodes, the objects (bodies) that are around it should fly away because they're pushed back by ...
0
votes
1answer
135 views

Tile System with moving Platforms

I am using a tile based system where the level is stored in a char: char[,] Level2 = {{'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.'}, ...
1
vote
2answers
511 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 ...
4
votes
4answers
556 views

How can I draw a shadow under my character?

I created a 2D tile-based jump and run game for Windows Phone and I want to draw a shadow under the character. How can I do that? The shadow must also be drawn on the tiles if the character jumps. The ...
1
vote
1answer
138 views

Why does my collision detection code cause my framerate to drop?

I have this code: foreach (CollisionTiles tile in map.CollisionTiles) { player.CollisionBox(tile); foreach (Enemy enemy in enemys) enemy.CollisionBox(tile); } This is the CollisionBox() ...
2
votes
2answers
129 views

Sweep collision between two moving spheres?

Say I have a scenario like this: Here I got two spheres (sphere A and B) that moves from on spot to another during a frame. How can I predict where these two collide if they collide at all? In ...
2
votes
1answer
270 views

C# - XNA - Making a Modular Screen / State Manager

I'm not entirely sure how to ask this question since its somewhat broad, but also a bit specific to my code. I'm making a game in C# XNA and attempting to have the parts of it be fairly modular so ...
3
votes
1answer
203 views

How can I use a Texture2D larger than 2048 x 2048?

I'm having issues working with a large image. I've read other threads on using images larger than a Texture2D supports, but found nothing that addresses my problem specifically with implementation ...
1
vote
1answer
92 views

Is Spine's XNA runtime missing an importer? [closed]

I'm writing an XNA 4.0 game and use Spine for animation. Until now, I've been making spritesheets with Spine and using them with a custom animation class. I recently discovered there is an official ...
0
votes
1answer
120 views

Looking for XNA patterns [closed]

Hello mature game developers. Im just started with XNA, but i got solid expirence with C#. I wonder is there any common code patterns for XNA games? Like should i make classes wich handle draw and ...
0
votes
2answers
148 views

how to make a spritefont with multiple colors and black?

I want to make a multicolored font like: My problem is that black is someway "set" as the transparency background for the font, so if i use black or any dark color xna takes it as background too. ...
0
votes
1answer
146 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 ...
1
vote
1answer
380 views

Why is my Texture becoming slower when it approaches it's destination?

I have a texture drawn on screen. Whenever I click on the viewport it remembers its destination and starts moving towards it, until it is there. This is the code I am using therefore: //Check if ...
4
votes
1answer
160 views

Cubic bezier for easing?

I would like to find out what Y is if X is a certain number from a cubic bezier curve to make a custom easing function, like it's done on this site: http://cubic-bezier.com/ Does anyone know a formula ...
0
votes
0answers
86 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 ...
1
vote
0answers
62 views

Texture visualization problem on camera movement (xna)

I'm trying to move a camera over a model that is used as the floor of the game. When I move the camera, the texture of the model is not showing correctly (video of the problem: ...
1
vote
1answer
96 views

XNA - Prevent Holding of Mouse Button as Part of an Input Handler Game Component

I'm using C# XNA 4.0 Refresh. I'm working to create an InputHandler Game Component for my XNA game to handle all of the keyboard and mouse input. I used SixOfElevens RPG Game Tutorial (Here - ...
2
votes
1answer
170 views

C# XNA - How to create a menu with bools and textures?

I thought I could use bools to be able to select options in my menu. But the options should be textures. To show that an optino is selected I have 2 textures like this: [----Menu Screen----] [ > ...
1
vote
0answers
158 views

XNA 4.0 isometric 2.5 D with elevation tutorial? [closed]

Does anybody know of a tutorial (book, series of articles?) that would cover creating a very large 2.5 isometric game with elevation; preferably in XNA 4.0? I'm looking to create something along the ...
0
votes
1answer
396 views

How does Raycasting work in XNA Farseer and player collision?

Wanting to know how to figure out if player's bottom is colliding with object so that I could allow the player to jump. I was trying to use OnCollision but was referred to ray-casting, I looked ...
0
votes
0answers
72 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 ...
0
votes
1answer
143 views

How to correctly handle multiple Songs in XNA?

I'm working on a (Windows-only) game in XNA, and I have multiple music tracks. I don't want to load them all into memory, but play them on demand. To properly dispose them, I have a separate ...
0
votes
0answers
49 views

XNA 2D Tile Map zooming to arbitrary point [duplicate]

I'm working on a game in XNA with a 2D tilemap as the playfield. I'm using a spritebatch with a transformation matrix to provide movement and scaling of the playfield. I'm trying to add a zoom ...
0
votes
0answers
68 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 ...
2
votes
1answer
187 views

Is there a penalty to using render targets versus textures?

I figured that the best way to ship 2D art for multiple resolutions is to instruct my artist to create the fullscreen background images sized for the highest resolution and then scale them down during ...
-1
votes
1answer
75 views

Creating an array to manage terrain

I want to create random terrain for my game in XNA but i have a problem: Lets say my game window size is 500X500, so potentially I want an 500 by 500 array right? But here is the problem, my terrain ...
1
vote
1answer
43 views

Proper Directional light on multiple models

I've been trying to implement a Directional light into an XNA game I'm working on, but for what ever reason, I cannot seem to get the directional light to be a true directional light. Instead, I am ...
0
votes
0answers
118 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. ...
2
votes
2answers
154 views

XNA: Non-overlapping shadows

I want to create an effect similar to the following in XNA / MonoGame: There's a background and a semi-transparent shadow consisting of several objects (two circles in this example). However, the ...
2
votes
1answer
387 views

What is the license you need to publish to Xbox 360 from Unity3D?

I have a license for deploying and releasing games using XNA. What is the license I need to deploy and publish games using Unity3D, and how do I get it? I have found very little and unclear ...
0
votes
1answer
162 views

XNA and HLSL shaders - Instancing using World Matrix array

I have posted this question on StackOverflow and was directed here, so I'll just copy the question: I am attempting to improvise some sort of hardware instancing in my game. I wish to draw multiple ...
0
votes
1answer
68 views

Optimising a bool spread on a 2D Grid/List

I'm trying to work out a more efficient way of spreading a bool flag across a 2D tilemap, as the way I currently have it setup works, but has to run far too many times to work properly. This isn't a ...
0
votes
0answers
177 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 ...
0
votes
1answer
701 views

How do I get the mouse position relative to the window, not the whole screen?

I am developing an XNA game. I run it in window mode. I need to handle mouse events, but when I use the Mouse class from Xna.Framework.Input.Mouse, I get the the mouse position on the whole screen. ...
1
vote
1answer
73 views

XNA Textures dissappear when game window is resized

[SOLVED] - See linked post in the P.S. I have a set of Texture2Ds generated in the Load method with this function: Texture Generation: private Texture2D[,] createTextureSet(TileInfo[,] map) { ...
1
vote
1answer
255 views

Player Movement Systems

I am working on a project were in class my group of students help produce a video game. We are creating a 2D platformer and was trying to make a pixel based system collision witch fell through. Now I ...
1
vote
0answers
60 views

Monogame apply tint to only some parts of sprite [duplicate]

Each player is a different colour (Red, Blue, Green, Yellow) and I want a small part of each piece of armour to be tinted to the player colour. Is this possible without using a second armour sprite ...
1
vote
1answer
53 views

How do I render into a sub-region of a texture atlas with XNA / HLSL?

Is it possible to render into a texture atlas? I've been wondering how to reduce the number of textures required for shadow-mapping, and came across a blog post here about rendering up to sixteen ...
0
votes
1answer
78 views

QuadTree treeNode design question

I'm a programming newbie. I have a Quadtree. I created a TreeNode class that the Quadtree will use as nodes. I have spriteNode that inherits from TreeNode. However, I also have several sprite ...
1
vote
1answer
51 views

Why does my camera break mouse position targeting? [duplicate]

I made a short video of this. Basically, when the screen scrolls with the camera, the character begins firing at the incorrect mouse position. You can see where I am clicking the whole time. As we ...
1
vote
1answer
183 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 ...
0
votes
1answer
64 views

Issue with calling Spritebatch in XNA 4.0 Game [closed]

So, I am creating a game in XNA 4.0, using the program Microsoft Visual C# Studio Express 2010. The issue I am having: I have the entire game done, and there is no reason why it should not be ...
2
votes
1answer
91 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 ...