Some help stick and unsticking particles with collision?
Some help stick and unsticking particles with collision?
I have a simple setup which will represent the larger scene, once I figure out how this can be done....
I want to have the red balls sticking to a turbulent coil (which I already have set up with stick to location -- see image). When the green ball moves across the area, I want the red balls to become unstuck from the gray coil, and then stick to the green ball -- as if they're being picked up.
The ICE tree you see is as far as I got. I'd like to understand how something like this can work if anyone can spare some time and knowledge.
Here's the scene also...
https://dl.dropboxusercontent.com/u/481 ... ontest.zip
Thanks in advance for any help.
I want to have the red balls sticking to a turbulent coil (which I already have set up with stick to location -- see image). When the green ball moves across the area, I want the red balls to become unstuck from the gray coil, and then stick to the green ball -- as if they're being picked up.
The ICE tree you see is as far as I got. I'd like to understand how something like this can work if anyone can spare some time and knowledge.
Here's the scene also...
https://dl.dropboxusercontent.com/u/481 ... ontest.zip
Thanks in advance for any help.
Re: Some help stick and unsticking particles with collision?
Well might change to another state that doesn't have the stick to location with that sphere. So i would just put another state. It seems in your setup your trigger is doing nothing.
Re: Some help stick and unsticking particles with collision?
haha, I know. I wasn't sure what to do next. This is where I'm lost.Bullit wrote:Well might change to another state that doesn't have the stick to location with that sphere. So i would just put another state. It seems in your setup your trigger is doing nothing.
- xsisupport
- Posts: 713
- Joined: 09 Jun 2009, 11:02
- Location: Montreal Canada
- Contact:
Re: Some help stick and unsticking particles with collision?
Easy for Steve Blair. Thanks Mr Blair...going in my ICE notebook.xsisupport wrote:Seems easy enough
Re: Some help stick and unsticking particles with collision?
One more thing...after the second state is reached, where would a modify particle size be plugged to make the particles newly stuck to the ball scale down to zero over time?
Would one more state be needed? It seems like that resizing could be done in the second state node.
Would one more state be needed? It seems like that resizing could be done in the second state node.
Re: Some help stick and unsticking particles with collision?
Yes it could. I think you can use a counter, rescale that to what speed you want.
Re: Some help stick and unsticking particles with collision?
Ok, so here's the what I'm trying to get as an end result...
I have the balls being picked up by the large sphere, but they need to stay alive while stuck to the sphere for about short time (to be determined) and then delete. I've tried setting the age limit upon the first trigger, and then use a "delete particle" at execute at every frame in the following state. But that makes the particles fly away from the sphere.
What exactly could I do to make control the deletion of the particles after they have been "stuck" for a specified time? Please assume that I have no idea what I'm doing, because I barely do -- but hopefully I'll understand better afterwards. If you just say, "put a counter" or whatever I'll have no idea which port to plug it into -- and that's the problem. There seems to be 100 ways to get it wrong, but only one exact way to make it work the way I need.
This ice tree has it working almost correctly. The particles(red) get picked by the sphere and turn blue, but they will not delete. I can get them to delete as soon as the collision and pickup happens, but not to delay and then delete.
I have the balls being picked up by the large sphere, but they need to stay alive while stuck to the sphere for about short time (to be determined) and then delete. I've tried setting the age limit upon the first trigger, and then use a "delete particle" at execute at every frame in the following state. But that makes the particles fly away from the sphere.
What exactly could I do to make control the deletion of the particles after they have been "stuck" for a specified time? Please assume that I have no idea what I'm doing, because I barely do -- but hopefully I'll understand better afterwards. If you just say, "put a counter" or whatever I'll have no idea which port to plug it into -- and that's the problem. There seems to be 100 ways to get it wrong, but only one exact way to make it work the way I need.
This ice tree has it working almost correctly. The particles(red) get picked by the sphere and turn blue, but they will not delete. I can get them to delete as soon as the collision and pickup happens, but not to delay and then delete.
- Hirazi Blue
- Administrator
- Posts: 5107
- Joined: 04 Jun 2009, 12:15
Re: Some help stick and unsticking particles with collision?
Just guess-work here, not near Softimage right now:
You could try using a particle timer (edit: initialized when entering the second state) as a trigger for yet another state.
And give this new state the sole purpose of deleting the particle...
;)
You could try using a particle timer (edit: initialized when entering the second state) as a trigger for yet another state.
And give this new state the sole purpose of deleting the particle...
;)
Stay safe, sane & healthy!
Re: Some help stick and unsticking particles with collision?
I've tried everything I can think of, and I'm not getting the exact effect I'm looking for. I can make the particles delete when they stick -- but not delay before deletion.
There's something really simple I'm missing.
There's something really simple I'm missing.
Re: Some help stick and unsticking particles with collision?
After banging my head against this some more, I've figured it out. One of my problems was that I didn't realize I could plug the stick to surface into both states. Also, learning how to use the timer got the correct effect.
Thanks for all the help pointing me in the right direction.
Thanks for all the help pointing me in the right direction.
Who is online
Users browsing this forum: No registered users and 57 guests