ParticleSystem.maxParticles

Description

The maximum number of particles to emit.

#pragma strict
public var hSliderValue = 0.0F;
public var part;
function Start() {
	part = GetComponent.<ParticleSystem>();
}
function Update() {
	part.maxParticles = Mathf.RoundToInt(hSliderValue);
}
function OnGUI() {
	hSliderValue = GUI.HorizontalSlider(new Rect(25, 25, 100, 30), hSliderValue, 0.0F, 100.0F);
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public float hSliderValue = 0.0F;
    public ParticleSystem part;

    void Start() {
        part = GetComponent<ParticleSystem>();
    }
    
    void Update() {
        part.maxParticles = Mathf.RoundToInt(hSliderValue);
    }
    
    void OnGUI() {
        hSliderValue = GUI.HorizontalSlider(new Rect(25, 25, 100, 30), hSliderValue, 0.0F, 100.0F);
    }
}