"Vortex" creates a force field around the daemon's centre and along its vertical axis. Both forces can be adjusted independently. All scale settings of the bounded daemon have to be adjusted under the “Vortex” panel. The closer the particles are to the axis, the faster the rotational motion will be.

Affect

With “Force” it takes a little time to display the daemon's full influence and the result is a curved stream of particles. “Velocity” directly affects the particles from the very beginning without any delay or acceleration, and you will get a linear particle stream. “Velocity” is not available for rigid/soft bodies.

Rot strength

This is the strength of the rotational force around the daemon’s centre axis. “Rot strength” accepts positive (clockwise) and negative (counter-clockwise) values.

Central strength

The centre axis can create an attraction (positive) or repulsion (negative) force.

Attenuation

You can choose from three fall-off types: “Linear”, “Squared” and “Cubic”. The fastest attenuation is achieved with “Cubic”.

Bounded

With “Yes” the "Vortex" daemon is displayed with a stack of three rings around the axis. The radius ("Boundary") of these rings determines the zone of influence.

Boundary

Here the radius of the zone of influence is adjusted in metres.

Vortex type

“Classic” creates a homogeneous force field, where the fall-off obeys the adjusted “Attenuation”. With “Complex” the forces reach their peak strength at a given distance (= “Radius”) from the centre. This distance is displayed as a dashed circle line around the centre.

Radius

To use this setting,”Vortex type” must be set to “Complex”. “Radius” determines the distance from the vortex centre in metres where the forces reach their maximum.

Bound Sup

This is the upper limit of the vortex.

Bound Inf

This is the lower limit of the vortex.

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