Fade stars from starfield

Sat May 21, 2022 10:19 am

When I create stars with the "Starfield" module with a very low speed some stars suddenly disappear, see the orange one here https://youtu.be/fj-aZ1ZAzIs?t=78

This happens only in the final render, not in the preview, and it's visually not very pleasing.

It would be nice (not only for this issue) to have the possibility to define a time for the Starfield-module after which a star (slowly-) fades away.
TKS
 
Posts: 104
Joined: Mon May 17, 2021 10:40 am

Re: Fade stars from starfield

Sun May 22, 2022 4:27 pm

This test render was created using a modified version of Particles 2 from IteratorBasicExamples:

[media]


You will not see any stars popping on or off but it does have a bit of a pre-roll to get the first 'stars' to the edge of the screen. Also, there is occasional occlusion when a faster star passes in front of a slower star.

Popping off is eliminated by wrapping the motion in front of the screen. Popping on is disguised by a series of dark planes near the star's origin. As each star passes through each plane, it gets a little brighter.

An advantage of this setup is that stars can have different shapes and colours, rotations etc.
Sadler
 
Posts: 999
Joined: Sat Aug 02, 2014 7:10 pm
Location: London, UK

Re: Fade stars from starfield

Mon May 23, 2022 7:23 pm

Sadler wrote:This test render was created using a modified version of Particles 2 from IteratorBasicExamples:


This looks even nicer than the Starfield-module, I have to try that.
Thanks a lot for the idea and the video :geek:
TKS
 
Posts: 104
Joined: Mon May 17, 2021 10:40 am

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