Is there a way in Corona to get position on an underlying group associated with a point on an overlay group?
Background: Say you have:
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Group 1: which is a matrix of image tiles, then over the top of this you overlay
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Group 2: which has a cross hair in the middle
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Assume Group 1 can be moved around (swipe)
How would you get the underlying Group 1 image tile which is directly below the crosshair, and the relative position the point finds on the cross hair. For example the result might be: Tile 23, a position of 10 pixcel to the right and 15 pixcel down from the top/left of the tile. It’s kind of projecting a point from one display group to another…