A bitmap (raster image) used in a texture mapping process.

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3
votes
1answer
740 views

iPhone/OpenGL-ES partially texture mapping an object

I only have a basic understanding of OpenGL, so I'm probably showing my ignorance here. I'm looking for a great iPhone/OpenGL-ES example of applying a texture (preferably from a texture atlas, but ...
28
votes
9answers
19k 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.
4
votes
4answers
1k 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 ...
14
votes
7answers
13k views

What are some cool examples of procedural pixel shader effects? [closed]

What are some good examples of procedural or screen-space pixel shader effects? No code is necessary; I'm just looking for inspiration. In particular, I'm looking for effects that are not dependent ...
6
votes
5answers
4k views

Non-destructive way to edit alpha channel in Photoshop/Gimp image

Looking to make textures for Unity3d, and I'm stuck at what seems to be a simple stage. My goal is to create an RGBA image, with color information for every pixel, and a separate alpha channel. These ...
17
votes
3answers
7k views

How does Megatexture work?

I've been thinking about developing a small engine not only to develop small experimental games, but also to serve as a base to test various rendering techniques and things like that. Right now I've ...
8
votes
3answers
828 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 ...
22
votes
6answers
5k 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, ...
13
votes
5answers
4k 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 ...
12
votes
6answers
2k 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.
13
votes
1answer
749 views

What is a texture atlas?

I've heard about this concept, but what is it?
251
votes
20answers
216k 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?