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MMD Tutorial Sphere Maps

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Trackdancer
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Description

Someone asked for a tutorial about sphere maps, and at the same time I thought it would be worthwhile debunking some of the misinformation that's floating around about what these types of graphics actually are and how they are used.

More info (if you want the maths): en.wikipedia.org/wiki/Sphere_m…

CREDITS


Image used for example sphere map from wallpapersup.net/
Model used is my own edit of the default Meiko Sakine
Errata
Made some minor corrections (12/14/2012)
Note also that if you're model a PMX model, there are more options with what you can do with a sphere map.
Image size
800x3925px 1.66 MB
© 2012 - 2024 Trackdancer
Comments40
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The-Witchmaker's avatar
The-Witchmaker
Edited
Well, this isn't exactly what I was looking for, but maybe you can help me?

I'm trying to put a texture on a primitive sphere that I made using PMXE's primitive view tool, but no matter what I do, I can't seem to move or scale it so that the part of the image i need is visible. It's just a face surrounded by a background (to prevent it from tiling around), but all I can get is the background.
EDIT: idk what's up with this thing. it's like it just chooses one pixel to apply to every single plane at once. if i move it around enough the whole thing changes color as it goes over different parts of the image, but that's it.