Tagged Questions
0
votes
1answer
43 views
My Sprite Rectangle moves, but my sprite doesn't
Here's the issue, When I build, everything loads fine, everything works, but then, when you enter the game, the sprite is there. However, The sprite does not move, the sprite RECTANGLE does. Meaning ...
0
votes
3answers
46 views
Trying to get enemy sprites to move on C#
In my XNA game, I'm have the enemy sprites loaded and in the game screen. However, I put in the code to update their position in the Update method of the main class. The objective is to get the ...
2
votes
1answer
49 views
XNA Scale and Render Targets
I'm working on a top down Strategy/RPG/Tower Defense XNA Game for Windows, and I'm running into an issue while scaling.
My display mode is 1680 X 1050, and that is what I'm setting the ...
-2
votes
0answers
43 views
Losing sides of a rectangle after movement C# [closed]
I am making a top down shooter, so far everything's great, until I decided to put a car into the game. Currently the collision works fine when the player does not enter the car, and attempts to walk ...
2
votes
2answers
63 views
What's involved in resetting the graphics device?
I'm playing with XNA 4.0, VS2010. I've created a window (not maximized) and drawn some sprites. All is good until I resize the window, after which the sprites stop displaying or only partially ...
0
votes
1answer
133 views
How to prevent the player from clicking too fast [closed]
I'm having trouble with some bullets in my game, the M1911, which is supposed to be semi-auto is only capable of shooting one projectile per mouse click (trying to learn how to do multiple ones at ...
-1
votes
2answers
77 views
Trying to reduce health by a certain value once XNA [closed]
I've got a bullet and collision data for the bullet, when the bullet collides, it's supposed to cut an integer off of the max health for the object.
Basically heres what I want:
Object is shot, ...
-1
votes
0answers
65 views
How to move a bullet from the player to the cursor? XNA [closed]
I have a bullet that currently works in my game, but with some odd issues.
I'm making a top down shooter and I want the bullet to move from a point on the players location (from the guns muzzle ...
0
votes
1answer
43 views
Strange Per-Pixel Collision in XNA [closed]
I'm having a very strange problem where the bounding box for one of my objects in my game isn't exactly over the texture, this results in the collision being reported somewhere else. Its not really ...
3
votes
1answer
83 views
Reading text files XNA 4.0 on Xbox 360
I'm working on porting a game from PC to Xbox 360.
When I want to create a level I read a .txt file that I store in my content
I read the whole file as a string using this method
...
-2
votes
3answers
141 views
Can I use a list to spawn enemies? [closed]
I need to have about 10 enemies in my game, can I use a list to spawn them all in?
This is what I was working on but it only spawns 1 enemy in the coordinates of the last added to the list.
Here are ...
1
vote
1answer
119 views
Pixel Shader - apply a mask (XNA)
I'd like to apply a simple few masks to few images.
The first mask I'd like to implement is mask like:
XXXOOO
I mean, that on the right everything is masked (to black), and on the left everything ...
3
votes
1answer
71 views
Set a 2d camera's position so that a building is under the players feet
My issue is this: i am making a scrolling game in XNA, and the camera updates based on the players velocity, but the player never actually moves, he is always in the center of the screen. When he hits ...
7
votes
1answer
294 views
Implementing water effects (splashes) into XNA 4.0 game
I am creating a 2D XNA game and came across a tutorial on adding water effects (splashes) to an XNA game but after implementing it into my game I can't get it to scale down. Currently it takes up the ...
-1
votes
1answer
77 views
XNA Framework doesn't recognise controller [closed]
So just a little bit of XNA code:
if (this.IsActive && (Keyboard.GetState().GetPressedKeys().Length > 0 || Mouse.GetState().LeftButton == ButtonState.Pressed || ...
1
vote
2answers
185 views
Weird behavior with XNA SpriteBatch.Draw origin
I have a texture with 256x256 pixels.
Consider this piece of code:
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);
...
9
votes
1answer
253 views
How do I prevent XNA from pausing Updates while the window is being resized/moved?
XNA stops calling Update and Draw while the game window is being resized or moved.
Why? Is there a way to prevent this behaviour?
(It causes my network code to desynchronise, because network ...
-2
votes
1answer
110 views
Does this UV mapping method look ok? [closed]
i'm having a spot of trouble trying to get my voxels textures in the right place.
I am using a very simple mechanism that assumes all sides of any given block are always individually specified (i'll ...
4
votes
0answers
86 views
Should the networking of my game be a component or a service?
I am working on a windows game and I am trying to understand the XNA GameComponents and GameServices classes and use. From what I understand about a component is that it has an Update method that ...
0
votes
1answer
145 views
Is a HashTable the best way to store replay data in C#?
I'm looking to make a deterministic replay in my 2D game. I want to follow a similar approach to braid in storing the relevant information every frame (at 60 frames per second).
I wanted to know what ...
0
votes
1answer
54 views
A view and projection matrix oddity?
I have a bit of a dilemma ...
So i setup my scene how I want it with some bits in it and now I want to move all my camera related code in to a camera class however doing so is proving to be a pain in ...
-2
votes
1answer
161 views
Moving A Sprite In The Direction Its Facing XNA [duplicate]
There are many questions on this site that explain this except they seem to all be in Java.
I want to move a sprite in the direction it's facing, in XNA. I know you must use Radians and lots of ...
4
votes
1answer
155 views
Creating rectangles from the inner part of a texture2D
Ok, this may be hard to understand, but I'll do my best.
You will see that the first image is a normal mario, and the other is the result I am looking for. I'm trying to find a way to extract ...
0
votes
1answer
81 views
How to load a custom SpriteFont?
Is there any possible option where you can open a custom SpriteFont? Because I need to add to my game a font that is not in Windows already. I saw this page Custom Sprite Fonts and it's like I want ...
1
vote
1answer
102 views
Xna custom mouse not allowing me to move its sprite past certain bounds
I have written a Custom mouse, with a Custom sprite, using MouseState, and getting the X and Y variables. However i also have a camera that i wrote, and this allows me to leave the initial box. One ...
2
votes
1answer
164 views
Sketchup model renders wrong in XNA
My XNA model renders wrong.
It should render like that:
But it renders like that:
The background doesn't matter. It's just the model that renders wrong.
Here is the drawing code:
protected ...
2
votes
1answer
57 views
Saving model image
How can I get a top-down,side view of the model imported into XNA and then save that view as an image, that can be used later in the program?
Thank you for your time
0
votes
0answers
90 views
Xna problem drawing tIDE map
So i was trying to add tIDE to my project but i hit a Keyntfoundexception
map.Draw(mapDisplayDevice, viewport);
Any help would be usefull here is the rest of the class:
using System;
using ...
0
votes
1answer
175 views
Creating A Bounding Box around each item in a list XNA 4.0
I have asked a similar question before except i am more experienced and have more understanding of XNA. I have bullets that shoot whenever you press RightTrigger. I am having trouble though creating ...
5
votes
2answers
133 views
How can I normalize a vector if I am handling movment of each axis seperatley?
I am writing a 2D tile based game engine in XNA, and I've recently fine-tuned my collision detection using the answers provided here and more specifically here.
The tile based collision detection now ...
1
vote
1answer
67 views
Extending ModelProcessor
How can one extend a model processor inside Windows Forms. In a normal XNA game you would simply create a new class like so(I think...):
[ContentProcessor]
public class ExtendedModelProcessor : ...
1
vote
4answers
132 views
Selecting and moving vertices
How can I identify the correct vertecis and move them in XNA using VertexBuffer? Let's say I have a simple cuboid in my project and want to move one face of it. How would I loop thru vertices, get ...
0
votes
0answers
47 views
Problem with drawing mesh
So I made this simple model in blender. Its made up of one mesh, and one armature that contains three bones. This is the parent-child relationship that I made in blender:
For the sake of simplicity ...
0
votes
1answer
151 views
How to make AABB collisions work? [closed]
I am unable to make efficient AABB collision in XNA 4. I am making a platformer, with tile based map.
Here is what I do in my tile class :
public virtual void Update(GameTime gameTime, ...
0
votes
2answers
149 views
3d to 2d Collision
I have a 3d model which rotates around my screen, it's always on the Z axis = 0 where everything of my 2d images are. My 2d images fly out of the center and get bigger to give the view as getting ...
-1
votes
2answers
115 views
Tile collision, can't get correct behaviour [closed]
I define a tile with a rectangle. This is displayed below.
public class Tile : Sprite
{
Rectangle rectangle;
public Rectangle GetRectangle
{
get
{
return ...
0
votes
2answers
92 views
How do I achieve one touch one shot for WP7 game?
I want to be able to have a sprite shoot in a game for WP7.
What I have at the moment is that as long as the shoot button is held down the sprite constantly shoots.
How do I sort it that only one ...
2
votes
1answer
136 views
How to implement in-game purchase?
I am currently developing an indie game using XNA/C#. I would like to give players the opportunity to try a free (but somewhat limited) demo version of the game. Nevertheless, the player should be ...
2
votes
3answers
194 views
Complex Scaling
I've been trying to figure this thing out for weeks now, but with no luck.So, I am creating this program in WindowsForms and Xna, that allows users to create a 3D room. By draging and customizing ...
0
votes
2answers
326 views
HLSL shader optimization [closed]
The following HLSL shader (without preprocessing) results in 65 arithmetic operations (see below). Can the same effect achieved with <=64 operations?
// Center of "light"
float x;
float y;
// ...
1
vote
2answers
330 views
Flip sprite vertically AND horizontally?
In Microsoft.Xna.Framework.Graphics.SpriteEffects there is the possibility to flip a texture horizontally or vertically before rendering. But can one do both at the same time?
When I use: ...
4
votes
1answer
254 views
Sound effects in separate thread?
Does it make sense to carry out all audio (music, sound effects, etc.) in a separate thread?
In your experience, how large would you expect the performance impact of playing some MP3 music and 10-30 ...
0
votes
1answer
88 views
Separating Axis Theorem fails at certain angles
I'm currently attempting to add an overlap tester for an axis aligned and orientated bounding box but the solution only seems to work accurately when the OBB's angle is between -10 and +10. As the ...
2
votes
2answers
240 views
Creating Rectangle-based buttons with OnClick events
As the title implies, I want a Button class with an OnClick event handler. It should fire off connected events when it is clicked.
This is as far as I've made it:
public class Button {
public ...
3
votes
2answers
329 views
XNA 4.0 / C# Collision Response
Okay, this is really starting to annoy me.
First of all, detecting collisions is nice and easy. I have a list of tiles,
and a player. The player and each tile have their own rectangles. (The tiles ...
2
votes
3answers
384 views
MonoGame and normal windowed desktop application
I am trying to move all my XNA projects to Monogame. But in project templates I found only XAML and horrible metro application template. Is MonoGame support creating application in good old windowed ...
1
vote
0answers
216 views
XNA - How to move skinned model and merge animations
After you helped me to resolve my loadContent problem I've wrote some code and made 3D model with animation. Because XNA 4.0 doesn't support .fbx with multiple animations I've generated 3 models with ...
0
votes
1answer
120 views
Speed up content loading
I am using WinForms Sample downloaded from microsoft website. The problem is, that the model loading time is quite long, using:
contentBuilder.Add(ModelPath, ModelName, null, "ModelProcessor");
...
4
votes
1answer
132 views
Why does CameraZ=0 result in no render?
I am trying to draw simple model, but I am experiencing strange error. When I use this View matrix:
Matrix.CreateLookAt(new Vector3(0, 200, 1), new Vector3(0, 0, 0), Vector3.Up);
my model is drawn ...
-1
votes
2answers
97 views
Setting a leader from a sprite array [closed]
I'm looking to set a leader from an array of sprites, I keep on getting a NullReferenceException was unhandled error from within my main game class when calling the UpdateMouse Method. What have I ...



