Version: 2023.2
LanguageEnglish
  • C#

ParticleSystem.MainModule.startRotation3D

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Switch to Manual
public bool startRotation3D;

Description

A flag to enable 3D particle rotation.

Additional resources: MinMaxCurve.

using UnityEngine;
using System.Collections;

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

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

var main = ps.main; main.startRotation3D = true;

var psr = GetComponent<ParticleSystemRenderer>(); psr.material = new Material(Shader.Find("Sprites/Default")); // this material renders a square billboard, so we can see the rotation }

void Update() { var main = ps.main; main.startRotationXMultiplier = hSliderValueX; main.startRotationYMultiplier = hSliderValueY; main.startRotationZMultiplier = hSliderValueZ; }

void OnGUI() { hSliderValueX = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValueX, 0.0F, 360.0F * Mathf.Deg2Rad); hSliderValueY = GUI.HorizontalSlider(new Rect(25, 75, 100, 30), hSliderValueY, 0.0F, 360.0F * Mathf.Deg2Rad); hSliderValueZ = GUI.HorizontalSlider(new Rect(25, 105, 100, 30), hSliderValueZ, 0.0F, 360.0F * Mathf.Deg2Rad); } }