Half Life | fhlf – The time required for the particles to reduce to half of their initial count, in seconds. Affects Affects only the foam bubbles above the liquid surface - those inside the volume will not burst until they reach the surface. You can force this process by increasing the Rising Speed.
Vary | hlvary – In nature, not all the bubbles have the same half life. Larger bubbles burst quicker than smaller ones, and bubbles inside foam live longer. When this option is enabled, the Half Life of each bubble is modified taking into account its size and its surroundings.
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OutsideLife
OutsideLife
Max Outside Age | foutlife – If a particle is outside the grid, and its age (in seconds) exceeds this parameter, the particle will be killed instantly. Note that this is not the time since the particle exited the grid, but the time since the particle was born.