C# is a multiparadigm, managed, garbage-collected, object-oriented programming language created by Microsoft in conjunction with the .NET platform.

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How do I communicate with an IronPython component in a C#/XNA game?

My XNA game is component-oriented, and has various components for position, physics representation, rendering, etc, all of which extend a base Component class. The player and enemies also have ...
7
votes
2answers
2k views

Managing game state / 'what to update' within an XNA game 'screen'

I'm trying to figure out how best to manage state within my game screens - please bare with me though! At the moment I'm using a heavily modified version of the fantastic game state management example ...
2
votes
1answer
265 views

Free physics library?

What are some good recommendations? I have a vertex buffer and indices and I want to be able to detect collision between it and a bounding box or another object.
3
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1answer
314 views

How to stop a tap event from propagating in a XNA / Silverlight game

I have a game with Silverlight / XNA game where text and buttons are created in Silverlight while 3d is done in XNA. The Silverlight controls are drawn ontop of the 3D and I dont want a click on a ...
1
vote
1answer
513 views

Mixing XNA and Silverlight gives wierd graphics

I making a small 3dgame which is made as a Silverlight and XNA app, but when I draw the sprites the graphics becomes all wierd. All my primitive types are rendered correctly, but my 3d models are ...
1
vote
1answer
474 views

How to handle circle penetration

I've been working on cirlce to circle collision and have gotten the intersection method working correctly, but I'm having problems using the returned values to actually seperate the circles from one ...
6
votes
1answer
2k views

How to chain actions/animations together and delay their execution?

I'm trying to build a simple game with a number of screens - 'TitleScreen', 'LoadingScreen', 'PlayScreen', 'HighScoreScreen' - each of which has it's own draw & update logic methods, sprites, ...
2
votes
2answers
952 views

Problems using easing equations in C# XNA

I'm having some trouble using the easing equations suggested by Robert Penner for ActionScript (http://www.robertpenner.com/easing/, and a Flash demo here) in my C# XNA game. Firstly, what is the ...
0
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1answer
1k views

XNA - Error while rendering a texture to a 2D render target via SpriteBatch

I've got this simple code that uses SpriteBatch to draw a texture onto a RenderTarget2D: private void drawScene(GameTime g) { GraphicsDevice.Clear(skyColor); ...
0
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1answer
283 views

Error X3650 when compiling shader in XNA

I'm attempting to convert the XBDEV.NET Mosaic Shader for use in my XNA project and having trouble. The compiler errors out because of the half globals. At first I tried replacing the globals and ...
11
votes
4answers
3k views

Calculate random points (pixel) within a circle (image)

I have an image that contains a circles at a specific location, and of a specific diameter. What I need to do is to be able to calculate random points within the circle, and then manipulate the pixels ...
1
vote
2answers
369 views

What is the most efficient way to convert to binary and back in C#?

I'm trying to write a general purpose socket server for a game I'm working on. I know I could very well use already built servers like SmartFox and Photon, but I wan't to go through the pain of ...
0
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3answers
529 views

Xna Equivalent of Viewport.Unproject in a draw call as a matrix transformation

I am making a 2D sidescroller and I would like to draw my sprite to world space instead of client space so I do not have to lock it to the center of the screen and when the camera stops the sprite ...
2
votes
3answers
2k views

How to make a ball fall faster on a ramp?

So, I'm making a ball game. Where you pick up the ball, drop it on a ramp, and it flies off in to blocks. The only problem right now is it falls at a normal speed, then lightly falls off, not nearly ...
3
votes
2answers
2k views

Using XNA's XML content pipeline to read arrays of objects with different subtypes

Using XNA's XML content importer, is it possible to read in an array of objects with different subtypes? For instance, assume these are my class definitions: public abstract class MyBaseClass { ...
0
votes
1answer
812 views

E_FAIL: An undetermined error occurred (-2147467259) when loading a cube texture

I'm trying to implement a skybox into my engine, and I'm having some trouble loading the image as a cube map. Everything works (but it doesn't look right) if I don't load using an ...
2
votes
1answer
613 views

Getting a sphere to roll down a .FBX object Unity3D/C#

I'm working on a little ramp and ball game in Unity, I modeled the ramp outside Unity and exported it to a .FBX file, then I imported the ramp in to Unity. I set up the ball and ramp, both have ...
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vote
1answer
1k views

Circle to Circle collision, checking each circle against all others

I'm currently coding a little circle to circle collision demo but I've got a little stuck. I think I currently have the code to detect collision but I'm not sure how to loop through my list of circles ...
2
votes
5answers
2k views

Xna Loading Screens

I'm making a 2D XNA game. I'd like to implement loading screens when stuff has to load for a while. Like when I login to an account, connect to the server, and generate worlds. I'm pretty sure it ...
4
votes
1answer
976 views

2D Camera Acceleration/Lag

I have a nice camera set up for my 2D xna game. Im wondering how I should make the camera have 'acceleration' or 'lag' so it smoothly follows the player, instead of 'exactly' like mine does now. Im ...
1
vote
1answer
141 views

Finding furthermost point in game world

I am attempting to find the furthermost point in my game world given the player's current location and a normalized direction vector in screen space. My current algorithm is: convert player world ...
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vote
5answers
4k views

How to pause and resume a game in XNA using the same key?

I'm attempting to implement a really simple game state system, this is my first game - trying to make a Tetris clone. I'd consider myself a novice programmer at best. I've been testing it out by ...
3
votes
1answer
858 views

Where can I find a free SDK for C#? [closed]

I need a free and recent SDK for use with C#. I will work first in 2D games with visual effects. Thanks for now. Can anyone help me?
7
votes
1answer
896 views

Problem with Update(GameTime) Methods and Pause implementation

I have the pause function implemented and it works correctly in that it dims the player screen and stops updating the gameplay. The problem is that GameTime continues to increase while it is paused, ...
6
votes
1answer
876 views

Questions about XNA [closed]

I've read tons of different threads about XNA, but I still have some questions. First of all: I have 2 years of experience programming and C# is my main language, so XNA would fit perfectly for me, ...
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vote
2answers
217 views

When should I be implementing XML documents

I often struggle with the question of when to use XML docs. Does anyone have a good rule of thumb when it comes to deciding to use them or deciding not to use them. At the moment I am working on a ...
4
votes
1answer
1k views

Minecraft style XNA game collision?

I've been trying to get this working for ages now, I can detect if there's a solid block at any place on the map and I can check how far something is inside of it, but I don't understand how to fix ...
4
votes
1answer
615 views

Per-vertex position/normal and per-index texture coordinate

In my game, I have a mesh with a vertex buffer and index buffer up and running. The vertex buffer stores a Vector3 for the position and a Vector2 for the UV coordinate for each vertex. The index ...
5
votes
1answer
1k views

Skeletal Animation - Automatically apply skeleton to model

Looking at websites such as mixamo.com or some game's development systems such as the animation editor for Overgrowth (http://www.youtube.com/watch?v=-RpqbC5-Z0E), i see that the skeleton in these ...
3
votes
2answers
621 views

Passing an objects rotation down through its children

In my topdown 2d game you have a player with a sword, like an old Zelda game. The sword is a seperate entity, and its collision box "rotates" around the player like an orbit, but always follows the ...
10
votes
1answer
2k views

Screen space to world space

I am writing a 2D game where my game world has x axis running left to right, y axis running top to bottom, and z axis out of the screen: Whilst my game world is top-down, the game is rendered on a ...
1
vote
2answers
965 views

XNA 4.0 Point Vertex Rendering

I have a buffer of about 134 million particles and a very powerful computer to render them smoothly, but I am getting an error when trying to render them as primitive lines. It says that I cannot ...
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vote
1answer
2k views

Why doesn't my texture display with this GLSL shader?

I am trying to display a DXT1 compressed texture on a quad using a VBO and shaders, but I have been unable to get it working. All I get is a black square. I know my texture is uploaded properly ...
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vote
2answers
2k views

Switching songs - MediaPlayer lags the game

When the player encounters a boss in the game I'm working on, I want to have the music change. It seems simple enough with the MediaPlayer class to fade out the current song, switch to another, and ...
2
votes
1answer
637 views

Loading SpriteFont through a different class than Game.cs

I am trying to load up a single SpriteFont to print some debug information. In our current game, we load up both Textures and Music through a ResourceManager. They are both loaded with a filestream, ...
2
votes
2answers
4k views

Creating natural environments that can run on lower end computers in Unity3D/C#

So, I'm starting work on a project soon that will require me to create realistic environments that can preferably run on PC's besides high quality ones. The goal is to get as real an environment as ...
5
votes
3answers
285 views

Accessing managers from game entities/components

I'm designing an entity-component engine in C# right now, and all components need to have access to the global event manager, which sends off inter-entity events (every entity also has a local event ...
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vote
0answers
133 views

C# Collision test of a ship and asteriod, angle confusion

We are trying to to do a collision detection for the ship and asteroid. If success than it should detect the collision before N turns. However it is confused between angle 350 and 15 and it is not ...
4
votes
1answer
3k views

How to create a 3D world with 2D sprites similar to Ragnorak online?

As far as I know Ragnorak Online is a 3D game world with 2D sprites overlayed. I would like to use this style in a game I am making in Unity, so I would like the player to be able to select little ...
21
votes
2answers
1k views

Making entire scene fade to grayscale

When the player loses all of their lives, I want the entire game screen to go grayscale, but not stop updating immediately. I'd also prefer it fade to grayscale instead of suddenly lose all color. ...
0
votes
3answers
2k views

Parent variable inheritance methods Unity3D/C#

I'm creating a system where there is a base "Hero" class and each hero inherits from that with their own stats and abilities. What I'm wondering is, how could I call a variable from one of the child ...
1
vote
2answers
3k views

Breakout collision using 2D Rectangles?

Here is my code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Xna.Framework; namespace BreakOut { class Field { public static ...
2
votes
1answer
860 views

XNA 4.0 and Lidgren Library, How do I create a server/client hybrid?

My use of terminology may be off a little bit. I have been playing around with the Lidgren XNA sample for how the library works, and it is simple to implement it looks like. I am curious on the logic ...
7
votes
1answer
324 views

Should I call the garbage collector during loading screen?

SO, I read a bit on Garbage Collection lately, out of curiosity, and there is something that is repeated quite often: garbage collection can lead to sudden slow down of the program, depending of the ...
6
votes
5answers
864 views

Need some advice regarding collision detection with the sprite changing its width and height

So I'm messing around with collision detection in my tile-based game and everything works fine and dandy using this method. However, now I am trying to implement sprite sheets so my character can have ...
0
votes
4answers
3k views

XNA spritebatch drawing to the centre of screen

I have bit of a silly problem. Is is possible to use SpriteBatch.Draw() method to draw to the centre of screen using coords from the beginning of window (So resolution 800x600 would use 400;300) ...
2
votes
0answers
2k views

XNA Screen Manager problem with transitions

I'm having issues using the game statemanagement example in the game I am developing. I have no issues with my first three screens transitioning between one another. I have a main menu screen, a ...
4
votes
1answer
693 views

Character jittering with this tile based collision code

I have been trying to get my collision code working for hours now but with every resource I have tried my character still jitters. First I tried using the platformer sample but my character still ...
3
votes
1answer
3k views

Orbiting a specific point - Orbiting Camera

How would I create a camera that with the mouse, it allows you to orbit around a specifc position, with the camera always facing that point? I would also like it to be able to always be at a constant ...
5
votes
2answers
2k views

How do I resolve a collision of a rectangle with two rectangular tiles at once?

I am having some problems with collision detection between a player and the environment in a tile-based game. I have a player objects, Tiles and what I call MapObjects. The tiles are all 16×16. The ...