Infoseite // brainteaser with masks and expressions



Frage von joe23:


Hello

I have here a map with 300 cities, which are represented as small dots. Now these points will appear all in a row (from the center outwards). One possibility would be to animate every single point, but that would be a lot of work (and you would need an extra point for almost every level).

easier it would natürlch with a mask, one of the rears to the outside and inside the points thus laid bare. The problem is that the dots will not appear immediately and fully, but (depending on the speed of the animation masks) are slowly revealed. ie it looks like only a small piece of the dot, then the half, then 2 / 3, then complete. each point but will have only 2 states. either we see him completely or not at all.

My idea was as follows:
it animates the mask quite normal. somehow (and that's why it's me here, because I do not know HOW) said to each point:

if one (looks at more than 50% of the dot)
show point
else
hide dot

understood? So if the first half of the point of the mask is exposed, you see him, but already completely and not just the half. synonymous, one could only tell if Maks is completely drünber you see him, that would be no preference. what matters is that you NEVER see just a part of the point.

how to achieve this?
or someone has a different idea?

Thank schnmal
the joe

Space


Antwort von kupfi_stanton:

Hi
an idea would be with the vector brushes! advantage, you can animate the frame Pts exactly just need a Ebene.Nachteil: Is there only in the pro version and the manual Pkt.e must be applied.
I appreciated the effort is 5min.

Space


Antwort von joe23:

Thanks for the excitation. The pro version we have (6.5), it should not fail also.
got your idea but not yet fully understood. The points I can not trace because it is not common, but einfarbeige punke small icons (which I would import as JPGs).

or do I meant to paint a mask with the vector brush? please clarify me on:)

thanks
the joe

Space


Antwort von kupfi_stanton:

"joe23" wrote: The points I can not trace because it is not common, but einfarbeige punke small icons (which I would import as JPGs).

jpg's when you can be the vector brush forget sorry

Space


Antwort von matte:

So würds manual on keyframes once I solve 2 keyframes for opacity made the stop then copied and inserted quickly s.der each body that is synonymous with a lot less work than the vector brush!

Space


Antwort von kupfi_stanton:

Hello

put all points in the sequence in the timeline, as they are to be shown!

fühge now add this expression for a point

/ / start of expression
duration = 2, / / time in which all points appear (in seconds)
num = 300, / / number of all planar

Math.exp idx = ((time / duration) * Math.log (num)) - 1;
if (idx> = index) 100 else 0
/ / End of the expression


Now only the expression and copy them into the remaining scores are fühge
gruss didgi

Space





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