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Trails from candle light
I have (actually, will soon have) footage of candles burning and want to process the video such that trails from the flame remain present the whole time, essentially drawing lines downward. Everything else in the video is quite dim and none of it is consequential.
Here’s the thing: the candles I am burning are ones I have made with gunpowder charges in them that create sparky flares when the flame reaches them, and I want the trail from the frame to reflect that with a bulge. Basically, it’s a bigger flame so the trail should be bigger there.
Here are some bad drawing of what I want the effect to look like:
https://loneconspirator.com/1.GIF
https://loneconspirator.com/2.GIF
https://loneconspirator.com/3.GIFDoes this seem possible? Really really hard? Is the some built in effect that I could use, or another tool? Thanks.