The Transparency keyframe effects window might look something like this. As lightning is often "double", make the 100% section in pairs and very close together. At the start of the clip set the opacity to 0% Set keyframes at selected intervals along the clip where the opacity is 100% This is where the flash of lightning is to be seen. Now add the Transparency effect to the lightening. When you play the sequence you should now see the lightning showing over your background clip/image This means the lightening bolt will have a transparent background. Place a suitable video/image on the main track.Ĭlick the FX box of the lightening bolt clip and select Green Screen. Note the background is, in this case black. Load this into VP and drop it on the overlay track. Search google images for "lightning bolts" You should find some that look fairly realistic. However you could try this.It may not be what you are after but won't look too bad in some cases.It depends on the main track video. I don't think convincing lightening is easily created.
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