How to create electric effect

How can I create the electric-like effect in this video? Is it an effect that looks like post-processing rather than a 3D model?
and Is there a way to apply post-processing effects, like glow, while using A-Frame?

This looks to possibily use a video texture with additive blending which is an easy way to get a β€œglow” or β€œbloom” effect in A-frame without post-processing.

This is shown in our example project here:

or also in the portal project here (i.e. the rim around the portal)

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We do have a bloom three.js post-processing example project here:

However, we don’t have an example for A-frame

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