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

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1answer
891 views

How would I create Dynamic LOD with Quad Trees

I would like to be able to create something like the following http://www.youtube.com/watch?v=LxZhWrSmrOY&feature=player_embedded how would I create something like it? I understand I will have to ...
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3answers
2k views

Designing an entity system for a tile-based puzzle game

I'm developing a tile-based game creation library in C# and along with it I'm creating a game to test all of its functions. This is a screenshot of the game: You've probably never heard of the ...
6
votes
2answers
581 views

XNA ContentManager.Load causes string allocation

I was running the Visual Studio memory profiler on a project and noticed that an enormous amount of strings were being instantiated. It turns out that ContentManager.Load appears to create a new ...
7
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1answer
5k views

Elapsed game time differs from total game time in XNA

I was trying three different ways of using ElapsedGameTime and TotalGameTime, because I want an exact match, so everything is updated/drawn accordingly. As I was experimenting, I learned that the ...
5
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3answers
596 views

Random monsters move in-sync instead of individually

I am making a game in which monsters spawn randomly and begin to move around randomly. I am fairly new at programming but not at game development. Through using a few tutorials I was able to make 1 ...
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1answer
2k views

Creating thrusters on a ship in Unity3D

So, I'm using the legacy particle "small flames". Basically what I want it to do is always emit below the ship, so when the ship turns and such it still looks like the thrusters are firing. I know ...
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1answer
761 views

C# OpenTK - Getting world coordinates of points that are altered by matrices

I have written a skeletal animation system for a game i am working on. To draw lines that represent a skeleton, i use the GL matrix, and multiply it by each bone a long the body. For example before ...
3
votes
1answer
729 views

Controlling the snake in a snake game with the mouse

I am trying to implement a snake game in C# using the WPF forms. Well I know to implement the snake game, where the snake is controlled by the keyboard. But how would I do it, if I wanted to control ...
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2answers
1k views

How do you make game objects (enemies, NPCs) move in interesting, non-linear ways? (e.g. shoot 'em up enemies)

I'm using a series of easing equations to make menus and transitions a little more interesting in my first game. That got me thinking about how game objects (enemies, NPCs, spaceships, whatever) are ...
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2answers
1k views

Getting one rigidbody to follow another, but still react to stuff Unity3D/C#

Basically what I'm doing is having a ball you can pick up and drop on a ramp. When you pick up the first ball, the second ball follows close behind, and when you drop the first ball on to the ramp the ...
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2answers
1k views

How would I achieve diablo like 2D isometric projection?

I am in the process of coming up with an idea for a game, and I would like it to be isometric like Diablo. The problem is I have no idea how it achieves the effect of height like in the following ...
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1answer
120 views

Creating a 2D Line Branch (Part 2)

Yesterday i asked this question on how to create a 2D line branch; Creating a 2D Line Branch And thanks to the answered provided, i now have this nice looking main branch; *coloured to show the ...
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2answers
2k views

Dealing with 2D pixel shaders and SpriteBatches in XNA 4.0 component-object game engine?

I've got a bit of experience with shaders in general, having implemented a couple, very simple, 3D fragment and vertex shaders in OpenGL/WebGL in the past. Currently, I'm working on a 2D game engine ...
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vote
2answers
186 views

Creating a 2D Line Branch

I'm looking into creating a 2D line branch, something for a "lightning effect". I did ask this question before on creating a "lightning effect" (mainly though referring to the process of the glow ...
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votes
2answers
2k views

How can I fade something to clear instead of white?

I've got an XNA game which essentially has "floating combat text": short-lived messages that display for a fraction of a second and then disappear. I've recently added a gradual "fade-away" effect, ...
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3answers
3k views

Isometric Collision Detection

I am having some issues with trying to detect collision of two isometric tile. I have tried plotting the lines between each point on the tile and then checking for line intercepts however that didn't ...
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4answers
2k views

What should I use (controls, methods) to make a 2D tile based map editor?

I'm making a 2d game where each tile is a square and it's viewed at straight angle, no skewing, no rotation, it's pretty simple. Two weeks ago I tried using DataGridView, but as the number of rows ...
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1answer
1k views

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 ...
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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
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1answer
280 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
398 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 ...
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vote
1answer
539 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 ...
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1answer
571 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 ...
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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, ...
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2answers
1k 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 ...
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1answer
2k 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); ...
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1answer
330 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 ...
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4answers
6k 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 ...
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2answers
517 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 ...
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3answers
638 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 ...
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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 ...
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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 { ...
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1answer
1k 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
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1answer
794 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 ...
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5answers
3k 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 ...
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1answer
1k 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 ...
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1answer
143 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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5answers
6k 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 ...
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1answer
1k 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
974 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
900 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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2answers
221 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
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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
771 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 ...
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2answers
705 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
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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 ...
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2answers
1k 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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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 ...