Retrieve the number of particles currently active in a single group.



参数 描述
group The group index (ID) of the particle group to count.

返回: Real(实数)


This function will return the number of particles that are active in a single group. The group index (ID) is the value that is returned when you call the function physics_particle_group_end().


gp_num = physics_particle_group_count(group1);

The above code will get the number of particles used to make the group indexed in the variable "group1" and store the value in a variable.

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