[SDL] SDL_Blit question

[Salvatore Di Fazio]

Julien Lecomte ha scritto:
> On 16/06/2006 20:52, Salvatore Di Fazio wrote:
> 
> In pseudo-code you do, in case 1:
> 
> for everything in array
>    if (swap) then blit
> end for
> 
> In case 2:
> 
> for everything in array
>    swap
> end for
> blit1
> blit2
> ...
> blitN
> 
> There's a difference here: if 'swap' returns false, then nothing is blitted.

Yes it's right.

Why is it difference?
If the swap function return false I don't swap anything so I've the last
 image in the screen?
is it incorrect?

Tnx