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How to kill particles that go outside a sphere object?
I’m making a snow globe scene and it’s almost done, except that the nice snow that’s falling “inside” the globe just floats on through the glass and out. I was thinking of using Collision simulation to get the particles to bounce off the glass but I was wondering if there’s an easier way: i.e. just killing the particles that come outside the sphere.
Any ideas will be very much appreciated!
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…So this is how I managed to bungle it up today. -
5 Replies
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I’m not sure if this is what you are looking for.
https://drive.google.com/open?id=1BUZAipZL3ApLTYHKkb8IS0sMcLS6vN4O
Good luck
Imagination is the best tool…
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Hi Emir! Thanks for your reply! The “glass” sphere and emitter setup are 100% spot on. But I’m not seeing any particles “snowing” at all unless I disable the Plain, but that just makes it all work as normal. What I need are the particles inside the sphere but not outside (without having them bounce around, which would happen if I used dynamics). I don’t know if you’re seeing something different in your C4D. I’m using R19, if that makes a difference.
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…So this is how I managed to bungle it up today. -
Oh! Great! Just after responding to Emir’s post I thought to myself: what if I played around with the Plain’s falloff? (Yeah, I know: should’ve thought of that before I responded! ????) And I managed to get what I needed!
I just activated the falloff, set it to invert and sphere, and voilà! A snow globe with snow magically fading in and out inside the globe!
So thanks a million Emir for your push in the right direction! Very much appreciated! (And right on time, too, as this is a Christmas project and those jingle bells are already starting to ring!)
P.S. Unfortunately, CC’s upload system isn’t allowing me to upload the edited project file, so I can’t share a working copy.
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…So this is how I managed to bungle it up today. -
☹️ Unfortunately, I sang out my victory too soon! Because although this method works perfectly for controlling “physical” particles created using objects, it seems to completely bypass the particles themselves, so that if you’re using PyroCluster to create the actual “snow” particles, nothing happens… Is there something I’m missing? There probably is…
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…So this is how I managed to bungle it up today. -
If you are in a rush, try this freebie
https://nitro4d.com/product/magic-snow-2/
Good Luck
Imagination is the best tool…
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