New fleck effects to fill the gaps in the fleck property versus animation type matrix
At present, we have the following fleck effects:
- Boil - pingpong animation of fleck opacity.
- Wave - pingpong animation of fleck orientation.
- Flow - cyclic animation of fleck position along the surface.
- Throb - pingpong animation of fleck position perpendicular to the surface.
- Evaporate - cyclic animation of fleck position perpendicular to the surface.
but we don't have:
- Cyclic animation of fleck orientation - perhaps this could be called "churn".
- Pingpong animation of fleck position along the surface - perhaps this could be called "slosh".
- Cyclic animation of fleck opacity - not sure what to call this. I thought this was what Boil did until I looked at the animation closely - cyclic animation of opacity would give a better sense of bubbles bursting at the surface.
- Cyclic animation of fleck size - not sure what to call this.
- Pingpong animation of fleck size - not sure what to call this.
Adding these effects would complete the set of animations that we could apply to flecks.
Also, it's questionable whether there's a use case for a fleck property having both cyclic and pingpong animation - perhaps the maximum pingpong and maximum cyclic animation settings for each fleck property could be at opposite ends of a -100% to +100% slider with the default being no animation at 0%.
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What would "cyclic opacity" look like as opposed to "pingpong opacity"?
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TAPgiles In a cyclic opacity animation, a fleck would start at zero opacity, smoothly transition to full opacity over time, and when it reaches full opacity, it would suddenly snap back to zero opacity and the cycle would start again. That snap back to zero is what would give the impression of a bubble bursting at the surface, and I was surprised to discover that the boil effect wasn't doing it.
Whereas in the pingpong opacity animation that the boil effect gives us, a fleck starts at zero opacity, smoothly transitions to full opacity over time, and then smoothly transitions back to zero opacity over time.
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Ah, I see what you mean--so like a sawtooth LFO.
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I thought it might be useful to be able to make our own fleck effects, encoded as a single fleck animated in limited ways with keyframes. Not sure how feasible that would be, but that would be ideal :D
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