I'm having a little trouble understanding what the Collision Absorption animation is doing. Are the 2 white blocks collisi…

This topic has 2 replies, 2 voices, and was last updated 9 years, 8 months ago by Nicholas Yang.

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January 11, 2017 at 7:49 pm #5864
Nicholas Yang
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I’m having a little trouble understanding what the Collision Absorption animation is doing. Are the 2 white blocks collision objects? And do particles slow down after hitting it? I’m trying to get that working on my own test file, but the particles don’t seem to change when I add Absorption: 1.0 on the collision object. I’ve checked that Absorption is on in the force’s physics settings, and tried updating the cache animation by changing the Emission Number.
January 11, 2017 at 8:53 pm #24472
Jonathan Lampel
Participant
Ah, sorry if that was unclear. The white blocks are collision objects, and with Collision Absorption turned on they absorb the influence of the force field. The check box does not affect the particles – only the influence of the field on the particles. So when you place the collision object between the particles and the field, the particles will no longer be affected by the field.
January 11, 2017 at 9:16 pm #24473
Nicholas Yang
Participant
Oh nice! That clears it up. I can see it working now. I tried to copy the animation but had the emitter and force on the same object, so there was no way the collision object was between the particles and the field. I incorrectly thought the particles would change behaviour after hitting the collision object. Creating a separate force field on the other side of the collision object did the trick. Thanks!
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