ParticleSystem.MainModule.gravityModifier

Description

A scale that this Particle System applies to gravity, defined either by Physics.gravity or [Physics2D.gravity]].

See Also: MinMaxCurve, ParticleSystem.MainModule.gravitySource.

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(ParticleSystem))]
public class ExampleClass : MonoBehaviour
{
    private ParticleSystem ps;
    public float hSliderValue = 0.0F;

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

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

    void OnGUI()
    {
        hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, -5.0F, 5.0F);
    }
}