Like Colin mentioned in another thread: parallax.

https://en.m.wikipedia.org/wiki/Parallax

If transparency is part of an image, it's likely just a PNG.  Otherwise, you 
might have multiple images in a group.

Regards,

Scott Rossi
Creative Director
Tactile Media UX/UI Design

> On Dec 15, 2015, at 6:23 PM, Brahmanathaswami <bra...@hindu.org> wrote:
> 
> I've been studying that graphic novel that is touted as a testimony for 
> LiveCode's platform: Midnite Rises, teaser/trailer for the game by the same 
> name.
> 
> The underlying principles for delivery seem simple enough. It looks like two 
> or three 2D images are on layers and as you swipe slowly, the algorithm is to 
> move the top layer left to right (or right to left) at a higher speed (say 
> 3x) than the second layer (which moves at 2x) and the first/background layer 
> (which moves at 1 x)
> 
> This gives the fascinating illusion of depth, although each layer is pure 
> simple 2D illustration. The transparent areas of the top layers reveal 
> background image objects, very similar to the human visual experience if we 
> move left to right... very cool
> 
> QUESTIONS:
> 
> 1) Is my assumption correct that these are just three images on top of each 
> other on an LC card?
> 2) If so, how does one set up the transparent "look through" areas of these 
> images?
> 
> Seems this is a "thing" now... as lots of displays and web sites built for 
> mobile are doing this same algorithm -- top layer with transparency moves 
> quickly, underlying layers that "show through" move at a different rate(s)
> 
> Brahmanathaswami
> 
> 
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