xpFreeze halts particle movement; it does not stop particle generation, or trails, or anything else in the system; it simply stops particles from moving.

Object properties

xpFreeze Object tab menu.

Enabled

Check this box to enable the xpFreeze modifier.

xpFreeze Disabled.mp4

In this animation, xpFreeze is disabled.

xpFreeze Enabled.mp4

xpFreeze is enabled, in this second animation, with particles freezing as soon as they enter the modifier’s field of effect.

Mode

Set at Independent, by default.

You can change this to Action-Controlled.

Independent Mode

In this mode, particles will be affected if they come into the field of effect of the modifier.

Action-Controlled Mode

When in the Action-Controlled setting, the modifier will only act on a particle when told to do so by an action.

Operation

Set as Freeze in Falloff Inner Zone Only, by default.

The Alternative is Freeze Depends on Falloff.