Particles on surfaces based off Camera projection
#1
I need to cover a scene with dots, from the camera's point of view.  Almost like how I would imagine raycasting would work, randomly shooting out from the camera.

It's a static effect,  but the camera sweeps over surfaces.  So i would just need to create them all on frame 0 and only have them be created/exist where the camera can see.  I tried camera cull, but it still has to make an insane number of them in the first place.

Currently i am using position object, but i have to add everything, and manually crank up the number so high it takes forever, and then only a small fraction of the total dots are even visible.  

Is there a more optimized way to handle this? 

I am thinking of something like having another creation validator on the position object like a checkbox that says, "only if visible to camera".

Insights appreciated,
-Joel


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Joel Eckert
Big Little Pictures
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Particles on surfaces based off Camera projection - by biglittlepictures - 01-30-2021, 09:09 PM

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