Version: 2021.2
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ParticleSystem.TrailModule.generateLightingData

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public bool generateLightingData;

Description

Configures the trails to generate Normals and Tangents. With this data, Scene lighting can affect the trails via Normal Maps and the Unity Standard Shader, or your own custom-built Shaders.

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(ParticleSystem))] public class ExampleClass : MonoBehaviour { private ParticleSystem ps;

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

var main = ps.main; main.startSize = 0.1f;

var trails = ps.trails; trails.enabled = true; trails.generateLightingData = true;

var psr = GetComponent<ParticleSystemRenderer>(); psr.trailMaterial = new Material(Shader.Find("Standard")); } }