Enabling and disabling child particles

Hello, @Balvarez!

To achieve your goal, we have to loop through all of the game object's children and disable their emission modules. For each child we process, we loop through its children and do the same thing by disabling their emission modules. Basically, we are creating a loop and a nested loop.

 using UnityEngine;
 using System.Collections;
 using UnityEngine.SceneManagement;
 
 public class Demo : MonoBehaviour
 {
     ParticleSystem[] childrenParticleSytems;
     bool disabledRelevantPSEmissions = false;
 
     // Initialization:
     void Start() {
         childrenParticleSytems = gameObject.GetComponentsInChildren< ParticleSystem >();
     }
 
     void Update()
     {
         // Process each child's particle system and disable its emission module.
         // For each child, we disable all emission modules of its children.
         if( !disabledRelevantPSEmissions )
         {
             foreach( ParticleSystem childPS in childrenParticleSytems )
             {
                 // Get the emission module of the current child particle system [childPS].
                 ParticleSystem.EmissionModule childPSEmissionModule = childPS.emission;
                 // Disable the child's emission module.
                 childPSEmissionModule.enabled = false;
 
                 // Get all particle systems from the children of the current child [childPS].
                 ParticleSystem[] grandchildrenParticleSystems = childPS.GetComponentsInChildren< ParticleSystem >();
 
                 foreach( ParticleSystem grandchildPS in grandchildrenParticleSystems ) {
                     // Get the emission module from the particle system of the current grand child.
                     ParticleSystem.EmissionModule grandchildPSEmissionModule = grandchildPS.emission;
                     // Disable the grandchild's mission module.
                     grandchildPSEmissionModule.enabled = false;
                 }
             }
 
             disabledRelevantPSEmissions = true;
         }
     }
 }

Let me know if there are any mistakes within this script or if there are improvements that I can make. Thanks!