[Renzo Córdova]

Hello~ I just did that testing on PS, I think I get the idea. The results were interesting. This is what I find to be very complex: to mix effects in such a way that you get something done and not a messy image. I just need to wrap my head around this.

With “leaving a trail” I meant this:

Which is more like… the blob expands while moving from one side to another, then it shrinks again but in the new spot.

Many thanks again for your help.

[Renzo Córdova]

Thank you for replying again.

I’m sorry I haven’t given you a clearer context. I know the more or less basics of AE, enough to realize that there are at least 2 layers in the first video, and about 4 or 5 in the second, or that the falling stars in the 2nd video could be recreated using CC Particle World. But I don’t know enough to understand the paragraph where you mention “a diffusion cloud layer” and all that info (which is the most relevant info for me).

I was trying to recreate only the light thingies that move around, and the light cloud in the 2nd video. How they leave a trail, how they appear and disappear; how to recreate that behaviour. Is it a custom animation? What effects are involved? etc.

With your help I found this “Mood Lighting – amorphous” effect that looks like a cloud. That’s the closest I could get, lol. But it may be like you say, brightness, blur, luminance mask (must find out how to do that), etc.

It’d be great if you could expand on that paragraph about the lighting. But it still is enough information to start searching and playing around.

Many thanks~

[Renzo Córdova]

Many thanks for your reply.

I was refering to the luminance layer you mentioned. That luminance effect/animation is present in both videos.

In the first video it looks like a light that moves around, and it seems to leave a trail. In the second video the same moving light is present in some areas (like above the “blocks” word), it just goes back and forth; there are also spots that appears/disappears (like below the “blocks” word).

In the second video the background looks like a cloud of lights that illuminate the black background (that as you said, could just be the composition background).

I wonder, is that a custom animation or is it an effect? How can it be recreated?