Push Away from Surface Modifier
It is generally desirable for guides not to penetrate the surface from which they are originating. However, during editing it is easily possible for such intersections to happen, especially if many guides are edited en-masse. Use the Push Away From Surface operator to solve this problem. Contrary to the Push Away From Surface button in the Edit Guides operator, the user can include additional collision meshes to the groom.
Parameters
Strand Group
Allows you to isolate the effect of this operator by selecting a particular Strand Group created in the Edit Guides operator.
Distance
With this parameter you can control the distance at which the guides should be away from the mesh.
Amount Ramp
The Ramp Curve give you the ability to control the effect of this operator from root to tip.
Collide With Distribution Mesh
This options allows the user to include or exclude the base mesh from the collision list.
Collision Meshes box
Adding additional Collision meshes to your groom is really simple, click the Add Collision Mesh button and select the mesh in the viewport. In the list you can see the objects that are part of the collision system.
Force Zero Distance To Dist Mesh
When this option is on the strands will always "stick" to the distribution surface
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