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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2answers
57 views

In XNA 4, how can I access SpriteBatch's transformMatrix in my shader?

I would like to use a custom effect with a regular XNA SpriteBatch. I have a 2D camera which computes a transform matrix, so I need my shader to take this into account. I have put a world matrix ...
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2answers
422 views

Sprite collision with color?

Is this possible? To elaborate, I am making a PacMan offshoot. Essentially it is a "zoomed in" version of the game, but the board is randomly generated. I have 11 .png files each to be used as a ...
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2answers
12 views

Setup VertexPositionTexture array for a texture2D at a location

I am trying to adjust the following code to render a quad on a 2D texture at a specific location and specific size. Currently this code will render a fullscreen quad, which makes sense since the ...
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1answer
96 views

C# - How to properly play background songs in XNA

So I'm using the game states (enum) to change my game screens. I have 2 songs for main menu and game playing states, respectively. To play songs, I'm using an old code example I saw at MSDN, like ...
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1answer
144 views

Why are the coordinates interchanged in Monogame?

If I use XNA Gamestudio, I can draw a sprite on a specific position like this: spriteBatch.Draw(Texture2D, new Vector2(PositionX, PositionY), Color.White); But in Monogame, I must change the ...
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1answer
945 views

Xna tile map collision

I finally found a tutorial on tile maps and loading them in from a file that I understand (http://circlessuck.blogspot.co.uk/2012/09/xna-tutorial-basic-tile-engine-part-2.html), however the tutorial ...
-1
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1answer
184 views

XNA changing color alpha

I know I can take a color and multiply it by a float to reduce its alpha like that: Color color = Color.Green * 0.15f; But how do I return the color's alpha to it's original value? I tried doing ...
-1
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1answer
276 views

3d Wall sliding collision

I'm working on collision for walls in my game and the way I currently have it I get stuck walking into a wall. I'm trying to make my character slide on the walls but still collide. My character moves ...
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1answer
81 views

Setting texture in effect pass

I created different types of cubes for my cube class and based on the height of the cube, the cube type is different. This means changing the texture for the cube. if (y >= 1) ...
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1answer
75 views

A quick question about culling

So I have some vertices that I'm drawing with XNA and the issue I had ages ago was that they weren't appearing when the camera was placed above them. By turning on backface culling this fixed it, but ...
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1answer
207 views

Issues with touch buttons in XNA (Release state to be precise)

I am trying to make touch buttons in WP8 with all the states (Pressed, Released, Moved), but the TouchLocationState.Released is not working. Here's my code: Class variables: bool touching = false; ...
-1
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1answer
137 views

SpriteBatch memory leak

I have a strange problem with XNA 4. I'm constructing a SpriteBatch using this.spriteBatch = new SpriteBatch( GraphicsDevice );. This leads to a memory leak up to 600 MB memory consumption. This ...
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1answer
144 views

Why is my model flickering when translating

I have several models here. When they stand still during gameTime, there's no flickering. But as soon as I move them across the x-axis, they flicker on some places. protected override void ...
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1answer
823 views

Microsoft App Hub “the resource you are looking for is unavailable at this time”

I'm trying to get App Hub to allow me to upload an XBox game. To do so I must "get verified with dreamspark" and varify through my school, in my case a university. App Hub directs me to doing this. ...
-2
votes
1answer
102 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 ...
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1answer
241 views

Programmatically creating a 3d mesh in XNA

Surprise! Another question related to Minecraft. Anyways: Rather than drawing thousands of blocks each frame, I remember reading somewhere that Minecraft breaks the map into 16x16x256 chunks, and ...
-3
votes
1answer
165 views

How to shoot lasers from Ship(XNA)?

I want a code which allows me to shoot multiple lasers from my Ship. Its a 2D game and the laser TEXTURE2D moves in a straight line. My Solution: I use List<> class of my Laser Class. ...
-4
votes
1answer
210 views

How Do Game Timers Work?

I don't understand the whole game timer things, I know XNA comes with one but im realying on VSync to do the work rather then a game timer. I know what they are It's just can someone show me of a ...