Texture is a bitmap (raster image) used in a texture mapping process.
175
votes
25answers
62k views
Where can I find free sprites and images? [closed]
I need sprites and images, such as characters, landscapes and others. Where can I find them?
23
votes
6answers
5k views
Why are textures always square powers of two? What if they aren't?
Why are the resolution of textures in games always a power of two (128x128, 256x256, 512x512, 1024x1024, etc.)? Wouldn't it be smart to save on the game's file size and make the texture exactly fit ...
21
votes
9answers
11k views
Texture packing algorithm
What is a good texture packing algorithm? Technically, bin packing is NP-hard, so a heuristic is what I'm really after.
10
votes
1answer
466 views
11
votes
6answers
1k views
How can I create my own sky maps?
What are the methods/tools for generating realistic skies with clouds and atmospheric shading?
FOSS alternatives and spherical projections get extra points.
5
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 ...
16
votes
6answers
2k views
What happened to procedurally generated textures?
I recall some time ago that procedurally generated textures were becoming a big deal that a lot of people/companies were really interested in with some serious benefits (smaller deployments, ...
12
votes
4answers
1k views
How to avoid texture bleeding in a texture atlas?
In my game there is a Minecraft-like terrain made out of cubes. I generate a vertex buffer from the voxel data and use a texture atlas for looks of different blocks:
The problem is that the texture ...
9
votes
1answer
2k views
How does UVW texture mapping work?
I'm trying to understand the mathematical theory behind UVW mapping. Can anyone explain me how UVW mapping works? Or at least provide me a pointer?
14
votes
2answers
2k views
What exactly is UV and UVW Mapping?
Trying to understand some basic 3D concepts, at the moment I'm trying to figure out how textures actually work. I know that UV and UVW mapping are techniques that map 2D Textures to 3D Objects - ...
5
votes
2answers
775 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 ...
3
votes
1answer
285 views
How can I prevent seams from showing up on objects using lower mipmap levels?
Disclaimer: kindly right click on the images and open them separately so that they're at full size, as there are fine details which don't show up otherwise. Thank you.
I made a simple Blender model, ...
4
votes
1answer
1k views
Repeat texture in libgdx
How to fill region with repeated texture? Now I'm using next method:
spriteBatch.begin();
final int tWidth = texture.getWidth();
final int tHeight = texture.getHeight();
for (int i = 0; i < ...
4
votes
2answers
419 views
Is there a tool to automatically pack individual textures into one big png?
I'm currently working on a texture pack for minecraft (but this question is not restricted to that). All terrain textures are squared and stored in one big terrain.png, see e.g. here (FYI that's from ...
2
votes
1answer
593 views
How do you get textures out of a png file
I have 1 png of many different textures. I want to use these textures in my iphone game using cocos2d. I found the program "Zwoptex" where you can combine many textures to one png and create a plist ...
0
votes
0answers
143 views
How to add render able Texture in Unity 3d for iOS
I want to render an image on texture which should be stuck at one point, not stuck with Camera. I don't know how to accomplish this task because I started unity a week ago but I want to do this task ...
0
votes
1answer
401 views
How can I implement 3D textures using webgl?
I went through the google I/O video but did not get exactly how to do it. If somebody could point me to a simple 3D texture implementation using webgl, it would be helpful.
i basically have a volume, ...
27
votes
6answers
3k views
How can I make a good-looking explosion particle effect?
I'm not much of an artist, but I'm trying to make decent particle effects in a 2.5D game. I'm making a replica of Wii Play's "Tanks" and I can't quite get the explosions to look good. I'm not going ...
17
votes
6answers
2k views
Creating a retro-style palette swapping effect in OpenGL
I'm working on a Megaman-like game where I need to change the color of certain pixels at runtime. For reference: in Megaman when you change your selected weapon then main character's palette changes ...
12
votes
5answers
2k views
Tools for generating texture atlases/sprites from source images? [closed]
Is there an industry standard file format for texture atlases?
What are the apps that take a directory of images and turns it into a texture atlas png and a text file describing what's on it?
This ...
11
votes
4answers
6k views
Preferred way to render text in OpenGL
I'm about tu pick up computer graphics once again for an university project. For a previous project I used a library called ftgl that didn't leave me quite satisfied as it felt kind of heavy (I tried ...
4
votes
1answer
153 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 ...
3
votes
1answer
772 views
How do I create a decal system?
I'm currently given the task to design & create a simple decal-system in C++/DirectX.
Does anybody know a great tutorial, article or paper to start with? (Especially the part about 2D-texture to ...
10
votes
2answers
413 views
How can I generate a texture that looks like left-over tea leaves?
We are working on a project for iPhone and Windows Phone 7 where we'd like to be able to generate tea leaves at the bottom of a cup. It doesn't have to look photo-realistic, and actually cartoon-y is ...
6
votes
4answers
4k views
How much memory does a texture take up on the GPU?
A large png on disk may only take up a couple megabytes but I imagine that on the gpu the same png is stored in an uncompressed format which takes up much more space. Is this true? If it is true, how ...
4
votes
2answers
3k views
[Unity] Render an animated texture to a screen
I'm looking for a way to write a typed text on a texture, and then render it on a screen: in the game it's just the screen of a computer where a scientist is typing text on.
The texture will be ...
3
votes
1answer
108 views
Algorithm for approximating sihlouette image as polygon [duplicate]
Possible Duplicate:
Is there any heuristic to polygonize a closed 2D raster shape with n triangles?
I want to be able to analyze a texture in real time and approximate a polygon to ...
3
votes
3answers
1k views
Tool to convert Textures to power of two?
I'm currently porting a game to a new platform, the problem being that the old platform accepted non power of two textures and this new platform doesn't.
To add to the headache, the new platform has ...
3
votes
4answers
725 views
How to handle font loading?
I need to display text in my game, who doesn't.
I had originally thought that I could just statically render all the text I would need to images and use those. I'm starting to think that is a bad ...
6
votes
1answer
177 views
Text on a model
I am trying to put some text on a Model and I want it to be dynamic. Did some research and came up with drawing the text on the texture and then set it on the model. I use something like this:
public ...
6
votes
3answers
604 views
What is a good method for coloring textures based on a palette in XNA?
I've been trying to work on a game with the look of an 8-bit game using XNA, specifically using the NES as a guide.
The NES has a very specific palette and each sprite can use up to 4 colors from ...
4
votes
2answers
184 views
How do you clean up textures that are too photo-realistic to match the rest of your game assets?
I was browsing for textures online and notice most of it are too photo-realistic and many of them is just photo of real thing.
I'm sure there some "cleanup" process for this type of texture using ...
3
votes
1answer
341 views
Z Order in 2D with orthographic projection and texture atlas
I am working with a 2D game in OpenGL ES and have a question about z-order together with a texture atlas.
I am using an orthographic projection because I want pixel-perfect rendering of 2D sprites, ...
3
votes
1answer
960 views
How to create mipmap for Unity3d textures loaded with www?
When I load a texture using the code below:
WWW www = new WWW(textureName);
yield return www;
renderer.material = new Material(Shader.Find("Diffuse"));
Texture tex = www.texture;
...
2
votes
2answers
211 views
Assigning a different texture based on picking
I'm making a game using XNA. I have some simple objects like cube and sphere, and I would like to change the texture of one face of these objects based on picking. That is, when the cursor is over ...
2
votes
2answers
5k 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?
2
votes
2answers
2k views
How do I create a sky box with OpenGL ES 2.0?
Can you give me hint to any good sky box example in OpenGL ES 2.0? I have found only OpenGL and does not work for me.
I am doing it this way:
Initialization:
glUseProgram(m_programSkyBox.Program);
...
1
vote
0answers
76 views
Blender 2.6: UV-Matching on Non-Image-Textures
Situation:
I want to model a piece of wood in Blender (2.63.0). In order to do this I use a set of Noise and Clouds textures on a brown material. But these textures are warped and shown in the wrong ...
1
vote
2answers
405 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 ...
0
votes
1answer
374 views
Multiple textures on a mesh created in blender and imported in xna
I created a cube in blender which has multiple images applied to its faces. I am trying to import the model into xna and get the same results as shown when rendering the model in blender. I go through ...
0
votes
2answers
1k views
Map and fill texture using PBO (OpenGL 3.3)
I'm learning OpenGL 3.3 trying to do the following (as it is done in D3D)...
Create Texture of Width, Height, Pixel Format
Map texture memory
Loop write pixels
Unmap texture memory
Set Texture
...
-1
votes
1answer
124 views
Animation: mid-state
At the moment I have a simple static texture. Now I want to animate my sprite. The texture is a simple human. When the user press the enter button, the human gets into state2. This is the standart ...
