Posted By
Bionic
on 2003-03-19
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bubis: well, the method i have in mind is definitly the fastest way to do it. Actually its not that new. You need two tables, one maps the screen coordinates to polar coordinates, and another table to map the polar coordinates to another system of polar coordinates perpendicular to the first one. The final coordinates are used for texture lookup. By adding offsets to both the table lookups you can rotate around two axis.
Graham did a sphere mapper using this method in some older demo. I think it is in a hidden part in "dawnfall", but i might be mistaken.
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