You can find a derivation of this projected rectangle in the following Gamasutra article (page 6):
http://www.gamasutra.com/view/feature/2942/the_mechanics_of_robust_stencil_.php?page=6
sphere projection question
Quote:Original post by apatriarca
I think this is a special case regardless of the method used to get the bounding box.
Exactly! but the in this case, the special cases are the "trickiest" part as Eric Lengyel's excellent article shows.
In the method with angles, even if we use many trigonometric function, the special cases are simpler. That's why I've preferred giving it :)
This topic is closed to new replies.
Advertisement
Popular Topics
Advertisement
