Create panel > Space Warps > Deflectors > Object Type rollout > UOmniFlect
Tab panels > Particles tab > UOmniFlect Space Warp
UOmniFlect, the universal omniflector, provides more options than the original UDeflector. This space warp lets you use any other geometric object as a particle deflector. The deflections are face accurate, so the geometry can be static, animated, or even morphing or otherwise deforming over time.
Note: Some particle “leakage” can occur with this deflector, particularly when you use many particles and a complex deflector object. To avoid this, perform a test render to check for leaking particles, and then add POmniFlects to catch the strays.

UOmniFlect viewport icon
To use the UOmniFlect space warp:
To use a universal omniflector, you need a minimum of three objects in the scene:
Add or select an object used as the deflector.
Create a particle system whose particles intersect the deflector object.
On the Create panel, click Space Warps. Choose Deflectors from the list, and then click UOmniFlect.
Click and drag in a viewport to place the space warp icon.
Note: The size and position of the UOmniFlect icon do not alter the effect.
Use Bind to Space Warp to bind the UOmniFlect icon to the particle system.
On the Modify panel > Parameters rollout > Object-Based OmniFlector group, click Pick Object, and then select the object to use as a deflector.
Adjust the particle system and UOmniFlect parameters as necessary.
The settings for the UOmniFlect are the same as those for POmniFlect, with the following additions:
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