On Mon, Jun 06, 2011 at 03:23:26PM -0400, Mike Willis wrote:
> So I don't know how to reply on those archives, but here is the crux of
> the parallax problem I think:
>
> You want the x coordinate of the top left of the screen to be the dividing
> factor, NOT the tiles. In other words, you don't want
> (parallax 'map' final tile x-coord) == 1/3 * (real map final tile x-coord)
I haven't used tile coordinates for anything. pixel coordinates only.
> You want
> (parallax 'map' final pixel x-coord -- screen pixel size) == 1/3 * (real
> map final pixel x-coord -- screen pixel size)
>
> Then the script would work as intended, I think...?
>
> Alternatively, you want to work out the actual ratio of sizes RATIO as
> follows:
> RATIO:= (parallax 'map' final pixel x-coord -- screen pixel size) / (real
> map final pixel x-coord -- screen pixel size)
>
> and then use this RATIO in your script instead of 1/3
>
> This isn't boding well for users to set layer sizes and parallax speeds in
> custom, is it?
This has nothing to do with parallax as a built-in feature, this is just
about manually scripting parallax now, before such a built-in feature
becomes available.
> This is all assuming the map doesn't wrap. If it does, then I'm not sure
> what is best...
It does not.
---
James
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