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I don't understand what the bug is. If you set some keyframes for any of the parameters the lightning will animate. If there are no keyframes the lightning will stay in the same shape with the same color.
I watched your video 3 times and I don't see what is going wrong. No keyframes with changing values, no movement in the lightning. Set a keyframe and the shape of the lightning changes.
I'm not sure I even understand what you want to happen. I see a bunch of animated lightning layers in a 3D comp all of the layers have keyframes. Please explain what is going on that you don't expect. If there really is a bug you should be able to demonstrate it with a single layer and a single instance of the effect. Putting multiple instances of the effect on a single layer might do something but I can't get any unexpected behavior with even 20 instances of Advanced Lightning on a single layer. I animated Decay, set one keyframe at frame 0 and another at frame 60. The lightning animates from frame 0 to frame 60 and then all motion stops as expected.
Just like Rick I have no idea what you are talking about and your video is unclear. You went through a lot of trouble for nothing. why not simply spell out what you think is wrong?
Exactly that is the problem Rick. For you (and some other) it is working as expected. For me, it goes rogue, and I don't know why and how to fix it...
The first "BUG" I bumped into, was the one at the final of the video, where animating decay on a single effect, makes forks pop, disappear and appear randomly . Reducing forking strenght to 40% may help but then I had to rise other values...
The newer problem here is... After some time, as you can see, lightning simply switches it's state and form, without any keyframes! That's really something I can't adjust from values...
Yes, the Decay motion stops, but there is additional flickering and effects on the forking (random visibility). This makes an effect in some way like instantly moving Direction Point. I'm pretty sure is something wrong with my station as there aren't many whom get this Adv.Light behavior... (I googled before posting, there was one guy who had the same problem but no one could help him )
Thanks for you answer.
I tried to cut the exact parts of video where it happens (without cut the steps to reproduce it) . I'm sorry if it's unclear, I just explained it in detail as reply to Rick. Now, with these details, if you rewatch carefully the video on a high quality, you can see what I'm talking about...
Because I was sleepy I forgot to add actual details of this behavior on the video (sorry).
Animating the decay and otehr parameters affects the internal per-segment value multipliers, so what you see is perfectly within how the effect was designed. You simply expect it to work differently and I think I know what you want - you want it to calculate the lightning once and then simply animate the "growth", but that's just not how it works.
Thank you for reply. I now understand isn't a BUG. Well, I think that's about VFX Making, Creativity and finding ways to do what do you imagine... I'll find some other way to polish my effect. Thanks for help and kindness .