[SOLVED] EffectComposer + Layers

Hey,
I am very new here , @marquizzo pointed me to this forum, thx again!

I was asking a question on stackoverflow ( https://stackoverflow.com/questions/57365158/postprocessing-fx-for-a-few-seconds ) to achive somehow the same effect as described above, but only

  1. for a second ( as a visual feedback after a user chooses a value in a selection drop down )
  2. only on one specific material, not on the whole model…

Can please someone help me with this?
Thanks for your help!!

@MobJS
Take a look at this topic for some ideas: Totentanz (Selective Bloom)

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Love it! Impressive!

hi, I’m new here. I used some code from this post above in my project. The bloom effect was shown, but it seems some bloom effect was lost when I rotate my model in some angles. Any ideas?

Use the technique of selective bloom, as an option.

  1. https://threejs.org/examples/?q=selective#webgl_postprocessing_unreal_bloom_selective
  2. Totentanz (Selective Bloom)
  3. Selective UnrealBloomPass issues
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if anyone needs it still, here’s a solution where the bloom effect comes last: https://codesandbox.io/s/twilight-feather-myhm9

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This may save you 10 hours of work: when you apply it to your own project make sure

scene.background

…is not set to anything. It will prevent the bloom from showing.

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@drcmda Hi, looks like the red box renders behind the yellow box all the time (even when it is actually in front). How would you fix that?

In that fiddle, there’s an awkward angle when the brown box appears on top of the glow, like this:

(look at the top of the brown box). How would we fix that?

Thank joda, this had been bugging for almost 3 hours before I read your comment.
And thanks to all of you guys for all those helpful tricks. Much appreciated!

This is a fixed version of the solution fiddle for anyone who might want to take a look since all of the fiddles in this thread are broken now.

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