The ring is defined by distance not by connectedness. It is used for the
following.
A big image will be split into tiles of 100x100 pixels, that are loaded
from a server. The total image made of these tiles are loaded in a
movieclip so that the image is rebuilded. The image is masked by a
100x100 mask and can be scrolled to left and right. Based on the tile
that is in the view, i would like to preload the rest of the tiles
'intelligently'. To do this, i take the current tile and start building
a loadingQue Array from there. So first the ring around the current
tile, the a ring around the first ring and so on, until all the tiles of
the total image are in the array.
Does that make sense?
JIri
Ron Wheeler wrote:
It depends how you define the rings. It is by distance or by connectedness?
Is 0,0 in the second ring with 1.0 and 0,1?
What is the purpose of knowing this?
Ron
Jiri Heitlager | dadata.org wrote:
Hello list,
I have the following grid and would like to find the neighbouring
positions of a certain point, going in a radius from in to out,
covering all the positions.
[0,0] [1,0] [2,0] [3,0] [4,0]
[0,1] [1,1] [2,1] [3,1] [4,1]
[0,2] [1,2] [2,2] [3,2] [4,2]
[0,3] [1,3] [2,3] [3,3] [4,3]
[0,4] [1,4] [2,4] [3,4] [4,4]
Let say I take point [2,2] then its neighbours are in the first ring
[1,1] [2,1] [3,1] [3,2] [3,3] [2,3] [1,3] [1,2]
I manage to get the first ring, but getting the other rings I haven't
got a clue on how to do that.
Can somebody help me?
Thank you,
jiri
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