[Openal] suggestions on c++ game design with openAL most welcome

Jason Daly jdaly at ist.ucf.edu
Wed Jun 3 07:49:55 PDT 2009


Pingwah Leronz wrote:
> Clustering seems a damn good idea!
> A question though - would the process of mixing many sources into one 
> be pretty much as operation intensive as just playing the sources 
> themselves?  Maybe not, given that I'll only have to mix them each 
> time an object moves.  I'll have to experiment with this.

You do have the added complexity of the pre-mixing step, but you also 
eliminate the need to spatialize as many sources.  Each pre-mixed source 
is only spatialized once, regardless of how many sounds are pre-mixed 
into it.  In my example, there are only three sources spatialized, while 
there are ten sounds involved in all.

Here's a link to a gamasutra article for more info.  It's a little bit 
dated, but probably still relevant:

http://www.gamasutra.com/view/feature/2850/breaking_the_64_spatialized_.php

--"J"

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