That just hurt my brain. But I like it! :)

Gumm

On Tue, Jul 12, 2011 at 10:32 PM, Brian Fisher <[email protected]>wrote:

> One particular technique for scrolling multi-layer backgrounds (that don't
> have parallax or animation anyways) is to have one large surface which is
> big enough to cover the screen, and to treat it as a wrapping buffer (so you
> do 4 blits to the screen from the surface in order to get the parts of the
> buffer as they wrap around the edges - hope that makes sense). Then as the
> background scrolls, you render in the newly visible parts into the buffer
> from your layers (using source clipping to get just the newly visible
> portion rendering on top of the newly offscreen part)
>

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