Version: 2022.1
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ParticleSystem.MainModule.startRotation3D

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public bool startRotation3D;

Description

A flag to enable 3D particle rotation.

See Also: 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); } }