Physics group> Air group> Spherical Field

The Physics Air group offers two kinds of displacement models to push along the particles. The one discussed here is Spherical Field, which is a displacement field in the form of a sphere. The sphere can either push particles outward or suck them in toward the center point defined by the sphere position. Spherical Field is not a force field. The effect of the field is instantaneous, and does not add to the velocity of the particles—it simply moves the particles to a new position in 3D space.

The full Spherical Field group.

Strength

Strength is the directional displacement amount around the center point of the field. Positive values create a field that pushes particles outward the center. Negative values pull particles inward toward the center.

Strength 0 | Strength Positive | Strength Negative

Position XY, Z

The Position XY and Position Z controls set the position of the field along the X, Y and Z axes.

Radius

The Radius controls defines the size of the Spherical Field. Higher values make a larger displacement area.

Feather

Feather sets the softness of the edges of the Spherical Field. A value of 100 causes a fade in the strength influence across the area with maximum effect at the center and no effect at the edge of the sphere. A value of zero means that the strength is uniform across the field's area and all particles will be displaced the same amount.