ParticleSystem.MainModule.startSpeedMultiplier

Description

A multiplier of the initial speed of particles when emitted.

This method is more efficient than accessing the whole curve, if you only want to change the overall speed multiplier.

#pragma strict
private var ps: ParticleSystem;
public var hSliderValue: float = 1.0F;
function Start() {
	ps = GetComponent.<ParticleSystem>();
}
function Update() {
	var main: var = ps.main;
	main.startSpeedMultiplier = hSliderValue;
}
function OnGUI() {
	hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 0.0F, 10.0F);
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    private ParticleSystem ps;
    public float hSliderValue = 1.0F;

    void Start()
    {
        ps = GetComponent<ParticleSystem>();
    }

    void Update()
    {
        var main = ps.main;
        main.startSpeedMultiplier = hSliderValue;
    }

    void OnGUI()
    {
        hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 0.0F, 10.0F);
    }
}