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May 5th, 2001, 05:55 PM
#1
Thread Starter
Addicted Member
How do you rotate a vector by a quaternion?
Is there a fast way to do so?
BTW, Thanks for all your help
Member of the anti-gay cross-dressing trans-species wolves alliance.
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May 5th, 2001, 06:25 PM
#2
Monday Morning Lunatic
Turn it into a matrix and then multiply the vector is probably the easiest way to start. Write it down on paper and it might simplify out a little 
[cough]kedaman is good at maths[/cough]
I refuse to tie my hands behind my back and hear somebody say "Bend Over, Boy, Because You Have It Coming To You".
-- Linus Torvalds
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May 6th, 2001, 07:02 AM
#3
transcendental analytic
Use  
writing software in C++ is like driving rivets into steel beam with a toothpick.
writing haskell makes your life easier:
reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.
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