Go Back   EQEmulator Home > EQEmulator Forums > Archives > Archive::Development > Archive::Development

Archive::Development Archive area for Development's posts that were moved here after an inactivity period of 90 days.

 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
  #7  
Old 02-06-2004, 01:42 AM
Eglin
Hill Giant
 
Join Date: Nov 2003
Posts: 168
Default Re: dist calculations

It is usually better to calculate distance squared, since you eliminate the root op.
Quote:
Originally Posted by Scorpious2k
Took a little time to look at the dist calcs... in Mob::Dist it reads
Code:
float Mob::Dist(const Mob &other) {
    double xDiff = other.x_pos - x_pos; 	
     double yDiff = other.y_pos - y_pos; 	
     double zDiff = other.z_pos - z_pos;
     return sqrt( (xDiff * xDiff) 
 	           + (yDiff * yDiff)
                     + (zDiff * zDiff) ); 
}
Which looks about as efficient as you can get without going to assembler... but if you went to that level it might look like
...<snip>...
Reply With Quote
 

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

   

All times are GMT -4. The time now is 02:34 AM.


 

Everquest is a registered trademark of Daybreak Game Company LLC.
EQEmulator is not associated or affiliated in any way with Daybreak Game Company LLC.
Except where otherwise noted, this site is licensed under a Creative Commons License.
       
Powered by vBulletin®, Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Template by Bluepearl Design and vBulletin Templates - Ver3.3