0
votes
1answer
47 views

How does Texture2D.GetData return coloured pixels?

I'm trying to work out how the pixels are stored in the returned array but I'm not having a lot of luck (and thus my calculations don't seem to be working). I realize that the pixels are stored in ...
0
votes
0answers
10 views

OpenGL ES 1.0 Create a Trapezoidal perspective scaling on a texture while using Ortho

I am using an Ortho projection to do most of my stuff and i am happy with it since i basically do everything on the same plane, now however i need to create a simple "flip card" effect on an object ...
4
votes
1answer
309 views

How can I have 2 different images seamlessly tile with each other?

If I Google for "seamless tile" I can find many great answers to create a single image that will seamlessly tile with itself. GIMP even has a filter that will automatically make an image seamless in 1 ...
-1
votes
1answer
62 views

Libgdx change color of Texture at runtime [closed]

i allready asked this on Stackoverflow, but i think this question may belong here. In a Libgdx game i have some Animations for my Player. All the Frames for this Animation are inside a TextureAtlas. ...
0
votes
2answers
1k views

How do I randomly spawn objects in 2D game?

How do I randomly spawn few different sprites on screen so they're not overlapping or half visible on render. The sprites should immediately start shrinking until they disappear. I've tried to ...
0
votes
0answers
52 views

Dealing with 2D tiled maps in DirectX

I'm new to DirectX. I'm pretty much to the point to where I can create some sprites and attach textures to them, but I'm not fully cognizant of the entire model of textures and sprites or exactly how ...
-1
votes
1answer
53 views

Combine textures with coordinates [closed]

Is it possible to add one texture to another texture, at specific coordinates? Like if I want to add a small texture(16x16) to big texture (1368 x 768) with coordinates ( 100, 100) so the small ...
0
votes
1answer
135 views

What size textures do I need for a 2D grid based game if my tiles are larger than textures I have?

I'm building a grid-based game for iPad, and for usability purposes I've selected my game grid to be built of 75x75 squares. However, so far I've seen that the majority of (free)texture catalogs I can ...
0
votes
1answer
333 views

Having a problem with texturing vertices in WebGL, think parameters are off in the image?

I'm having a problem texturing a simple rectangle in my WebGL program, I have the parameters set as follows: gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, textureImage); I'm ...
1
vote
1answer
155 views

generating complex maps in xna

I just wonder how does these maps like in this video are made. http://www.youtube.com/watch?v=TM6kcOau5oQ I was looking for some tutorials on the web but no success. All I found was some 2D Vectors ...
12
votes
2answers
949 views

Should I be using spritesheets, because of or despite of my vast number of images?

I am developing a 2D game, and I have a lot of sprites. I used 3D animations and models to render into 2D, to give them that "Fallout" or "Diablo" look to them. It is also easier than drawing by hand, ...
2
votes
2answers
556 views

OpenGL - drawElements 2D imposible z-sorting (textured)

I am creating a 2D program in OpenGL 3.2 Now to render what I do is have a VBO for each texture and add the elements of the objects that use that texture to this vbo. Now as you know the order you ...
1
vote
2answers
274 views

Building a tessellated texture

In games like Minecraft the textures such as grass when lined up side-by-side it looks like one big perfect texture. When I make a texture it's never even and you can see the different blocks. How do ...
0
votes
1answer
179 views

How can I draw a small bitmap on a larger bitmap at a particular position? (Canvas / SurfaceView)

I'm building a game that requires additive blending of colours for certain bitmaps. Say I have 4 different types object, there are maybe ten of each type on the screen with each type having a ...
1
vote
2answers
257 views

XNA spritebatch.Draw: Which part gets colored by the color parameter?

Which part gets colored and how can I control it? I have a rounded block and my goal is to have the center filled with a certain color chosen by that parameter. Here's the picture: ...
4
votes
2answers
441 views

OpenGL: Filtering/antialising textures in a 2D game

I'm working on a 2D game using OpenGL 1.5 that uses rather large textures. I'm seeing aliasing effects and am wondering how to tackle those. I'm finding lots of material about antialiasing in 3D ...
0
votes
1answer
376 views

How to scale a texture in OpenGL/LWJGL?

How would I take a texture and render it to a specific size? The texture I'm rendering has a 1:1 ratio so I want to be able to render the whole image like if the window is wide then put black outlines ...
-2
votes
3answers
807 views

Why use textures that are Power of Two? [duplicate]

Possible Duplicate: Why are textures always square powers of two? What if they aren’t? I am using C# and XNA (also MonoGame for other platforms than Windows) to create a game in 2D. ...
2
votes
2answers
149 views

Create a variety a sprites from a single image in XNA?

I want to be able to take a single image and cut them up into a lot of images to make the sprites. How would I do that in XNA since I only know how to load the texture then use it without changing it? ...
5
votes
1answer
624 views

How to draw a trapezoid in OpenGL?

The question seems easy, but you simply change vertex positions to match the corners of a trapezoid but it simply fails. I've tried scaling top and bottom edges like this : but when I apply my ...
3
votes
5answers
785 views

XNA 2D Spritesheet drawing rendering problem

I'm making a tile-based game, using one spritesheet containing all tile graphics. Each tile has a size of 32x32 pixels. The main problem is: when I draw the tile to the screen, if the tile position x ...
1
vote
2answers
638 views

Making a 2D game with responsive resolution

I am making a 2D game, however I wish for it to be resolution agnostic. My target resolution i.e. where things look as intended is 1600 x 900. My ideas are: Make the HUD stay fixed to the sides no ...
2
votes
2answers
2k views

Dynamic Terrain Texture

I've been looking at a 2D physics game called 'Hill Climb Racing' (Android and iOS) and was wondering how they went about texturing the terrain? I've had a think about it and I've come up with ...
1
vote
1answer
170 views

Can't work out how matrix is applied to 2D vertices

I have a texture, some 2D vertices, and a matrix. The matrix is used to calculate the texture coordinates for each vertex, but the problem is that the matrix comes with absolutely no documentation and ...
2
votes
3answers
734 views

XNA texture stretching at extreme coordinates

I was toying around with infinitely scrolling 2D textures using the XNA framework and came across a rather strange observation. Using the basic draw code: spriteBatch.Begin(SpriteSortMode.Deferred, ...
0
votes
1answer
2k views

Texture displays on Android emulator but not on device

I have written a simple UI which takes an image (256x256) and maps it to a rectangle. This works perfectly on the emulator however on the phone the texture does not show, I see only a white ...
-3
votes
1answer
433 views

How to remaster a retro game's graphics?

I want to remake an old game, which graphics is pretty old (1980s game), and I want to make a "HD version" of it. Of course, the game will have an "old graphics" setting, but I want to remaster the ...
3
votes
2answers
2k views

2D Collision masks for handling slopes

I've been looking at the example at: http://create.msdn.com/en-US/education/catalog/tutorial/collision_2d_perpixel and am trying to figure out how to adjust the sprite once a collision has been ...
6
votes
1answer
2k views

Sidescroller variable terrain heightmap for walking/collision

I've been fooling around with moving on sloped tiles in XNA and it is semi-working but not completely satisfactory. I also have been thinking that having sets of predetermined slopes might not give me ...
3
votes
3answers
1k views

OpenGL & SDL textures… game shuts down

I'm going to create a game in C++ with SDL & openGL but adding textures won't work. the code is in some different classes. here's the main file ...
3
votes
1answer
2k views

AndEngine Moving a Connected Texture and Physics Body

In AndEngine, many times we create a TextureRegion for our sprite. We can move this region around the scene but when I connect that region to a physics body I end up being able to use either one to ...
1
vote
1answer
562 views

Texture swapping and 2d Drawing in Xna

Usually in 3d drawing you want to ideally have fewer larger textures rather than lots of smaller ones, and make sure you render the same kinds of textures at the same time. So there is less texture ...
1
vote
1answer
407 views

Effective SpriteBatching in XNA?

What is an example of efficient sprite batching in XNA? I don't know when (if ever) I would do something like this: spriteBatch.Begin() DrawSprite1(); spriteBatch.End(); spriteBatch.Begin(); ...
11
votes
4answers
3k views

How to deal with arbitrarily large images in 2D games?

Question When you have a 2D game that uses really large images (larger than your hardware can support), what do you do? Maybe there's some interesting solution to this problem that never occured to ...
1
vote
1answer
1k views

DirectX 2D Sprite Texture

I am trying to make DirectX display a sprite from a sprite sheet I found on the internet but it doesn't seem to be displaying the texture in the correct position as I am specifying it. D3DXVECTOR2 ...
2
votes
2answers
927 views

State of the art in image compression?

I'm looking for good algorithms for compressing textures offline (ie decompressing them at install or load time, I know about using DXT/3DC to save runtime video memory, but these create awful visual ...
6
votes
2answers
1k views

How to handle a huge map?

Generically speaking, how would you handle a huge 2D Map of which only a part is displayed? Imagine the old top-down racing games like Micro Machines. I would know how to do something with a ...
0
votes
1answer
278 views

How do you get graphic? [duplicate]

Possible Duplicate: Where can I find free sprites and images? I'm talking about 2D graphic in this particular question. Do you create it, buy it, or..? I tried to develope something stuff, ...
0
votes
1answer
387 views

Is it a good idea to render many textures into one texture?

I'm making a 2D game with OpenGL. In order to avoid changing the state machine and binding at runtime, I want to make consolidate my textures into bigger textures, for example, taking 4 128x128 ...
1
vote
2answers
3k views

Game Sprite Editting Help(PNG-XNB)

I converted my project's .xnb files to .png files using a program and I can't seem to find a way to transform .png back to .xnb. I don't want to lose the work I've done. How can I change the images ...
2
votes
2answers
7k views

Xna: Splitting one large texture into an array of smaller textures

I would like to split a large texture into a one dimensional array of smaller textures. How should I do this?
3
votes
2answers
2k views

blending alpha textures in gluOrtho2D

i'm doing a simple game/application with some minimal 2d graphics: png textures and ploygons with standard glVertex calls my setting: glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluOrtho2D(0, w, ...