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When [ Edit Condition... ] – Opens the Edit Condition window. The Edit Condition window is used to construct a sequence of tests which are evaluated for every particle of the Phoenix FD Simulator, at each simulation Step. If the particle satisfies the condition, the selected Then actions are performed - Delete Particle, Change Particle Channel or Affect By Forces. Otherwise, the particle is ignored. By default, the condition is set to "Age > 1.000", therefore only those particles whose age is greater than one will be affected by the specified action. See Time Scale below 1 will affect the Particle Age used by the Particle Tuners. In order to get predictable results you will have to adjust the buildup time using this formula: Time Scale * Time in frames / Frames per second See the Particle Channel Ranges page for more information on the channel ranges.
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If the Buildup Time is set to 0, the specified Action will be executed for every step of the simulation. If the Steps per Frame parameter of the Simulator is set to a value higher than 1, the specified Action will be executed multiple times for a single frame. Time Scale below 1 will affect the Buildup Time of Particle Tuners. In order to get predictable results you will have to adjust the buildup time using this formula: |
Affect By Forces | tun_act_op_force, tun_force_list – When the condition of the Tuner passes for a particle, you can choose which forces will affect it. You can pick 3ds Max forces, Phoenix forces, Mappers, or even other Voxel or Particle Tuners. Using this, you can for example tell a force to only affect the fluid inside a volume, or only affect fluid with certain speed, or even based on a texture mask. When using native 3ds Max forces in the Tuner, you can limit them only to certain particle systems using the Affect list - without using a Tuner, all particle systems in a simulator would be affected.
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