Particle Color & wiggle expression.

Support ForumCategory: IssuesParticle Color & wiggle expression.
Marshal asked 6 years ago

Hey there!

I need to spawn circles that are formed from particles. A directional point emitter with a replicator worked for that very well. At a later point these circles are supposed to distort (turbulence) and dissipate. That was also pretty simple to work out using a replicator with a rotation of “whatever” to make the it a circle. (think of a colorful smoke-ring). Now I need each smoke-ring to be a different color. 
A gradient is ok but I really am going for something specific here and tried using a wiggle expression on the color value of the particle. I don’t think it’s working properly. These “smoke-rings” @ 3 particles per second should result in each “smoke-ring” being a different color. Instead each particle is a different color. Is that what should happen? 
Comparatively I used particular (through a totally different process) to achieve the same look I was going for and found good results. 
Tried the same thing in stardust using a single point emitter and pick-whipped the particle color to a new solid with a “fill” using the same wiggle expression and I got the same results . Particle color doesn’t seem to respect the wiggle expression properly.
Here are the steps to reproduce.

  1. Add stardust.
  2. add wiggle expression to particle color “wiggle(3,2)”
  3. Expose color parameter in timeline and click the “Show in graph” whilst in the not graph editor (timeline?) not sure what it’s called. 
  4. add new solid, 
  5. add fill
  6. add wiggle expression to color
  7. Pickwhip particle color to Fill color.
  8. See all kinds of random colors and compare results in your timeline compared to what’s showing up.

Really digging the update! Great job! This is a blocker for me however :(. 
Any chance on a verification of this as a bug or “working as intended”? and when we might see an update? I’m sure you are cranking away at other stuff as well. While this is an issue I am having a great time working with/learning stardust.

p.s. were more presets supposed to ship with the latest release? I learn a lot from them. 
 
Thank you! 
Marshal

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