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Hair - Force Field Settings panel

The Force Field Settings panel allows you to make each individual act as a force field, allowing them to affect other dynamic systems, or even, each other.

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Force Field Settings panel

The Force Field Settings panel allows you to make each individual act as a force field, allowing them to affect other dynamic systems, or even, each other.

Entry	What it does
Self Effect	Causes the particle force fields to have an effect on other particles within the same system.
Effector Amount	Set how many of the particles act as force fields. 0 means all of them are effectors.

Type 1 and Type 2 Sub panels

You can give particle systems up to two force fields. By default they do not have any force field enabled. Choose an effector type from the selector to enable them.

Type 1 / 2

Boid

Creates a force that acts as a boid's predator or target.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Charge

Special force field based on the charge of particles. Charge force fields just affects other charge force fields.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Curve Guide

Creates a force along a curve object. There is no way to add a curve here though.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Drag

Create a force that dampens motion.

Entry	What it does
Linear	Drag component proportional to velocity.
Quadratic	Drag component proportional to square velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Fluid Flow

Create a force field based on fluid simulation velocities.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Force

Radial field towards the center of an object.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Gravitation	Multiply force by 1 divided through the distance in square.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Harmonic

The source of this force field is the zero point of a harmonic oscillator.

Entry	What it does
Strength	The strength of the force.
Damping	Damping of the harmonic force.
Rest Length	The rest length of the harmonic force.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Multiple Springs	Every point is effected by multiple springs.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Lennard Jones

Force field based on the lennard jones potential. The Lennard-Jones potential describes the interactions of two neutral particles using a relatively simple mathematical model.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Magnetic

Force field depends of the speed of the particles.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Texture

Force field based on a texture. There is no way to add a texture here though.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Turbulence

Create turbulence with a noise field.

Entry	What it does
Strength	The strength of the force.
Size	The size of the turbulence.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Global	Use global coordinates for the turbulence.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Vortex

Spiraling force that twists the force object's local Z axis.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	—

Wind

Constant force along the Z axis.

Entry	What it does
Strength	The strength of the force.
Flow	Convert effector force into air force velocity.
Affect	Location: Affect the location of the particles. · Rotation: Affect the rotation of the particles.
Noise Amount	Amount of noise for the force effect.
Seed	The random seed for the noise amount.
Absorption	Force gets absorbed by collision objects.
Wind Factor	How much the force is reduced when acting parallel to a surface. Like a cloth.

Falloff subpanel

Z Direction

Apply the effect in both directions along Z axis, or just one direction.

Entry	What it does
Power	How quickly the strength falls off with increasing distance from the force field.
Min Distance	Minimum distance for the fields falloff.
Max Distance	Maximum distance for the fields falloff.

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