Thread
:
loop optimization
View Single Post
Frus
Senior Member
Join Date: Aug 2009
11-10-2009 , 22:17 Re: loop optimization
#
6
The result of a vector distance calculation is squared at the second to last step, as a result of the math (think pythagoras, c2 = a2 + b2). To get the correct distance, the squared distance needs to be 'square-rooted'. But it is more efficient to skip the square root, and compare 2 squared distances.
Last edited by Frus; 11-10-2009 at
22:22
.
Frus
View Public Profile
Send a private message to Frus
Find More Posts by Frus