Version: Unity 6 Preview (6000.0)
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ParticleSystem.TrailModule.minVertexDistance

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public float minVertexDistance;

Description

Set the minimum distance each trail can travel before the system adds a new vertex to it.

Smaller values give smoother trails that consist of more vertices. Smoother trails require more memory, and are more performance-intensive to update.

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(ParticleSystem))] public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValueDistance = 0.2f;

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

var main = ps.main; main.startColor = new ParticleSystem.MinMaxGradient(Color.red, Color.yellow); main.startSize = 0.1f; main.startLifetime = 2.5f; main.gravityModifier = 0.35f;

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

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

void Update() { var trails = ps.trails; trails.minVertexDistance = hSliderValueDistance; }

void OnGUI() { GUI.Label(new Rect(25, 40, 100, 30), "Vertex Distance");

hSliderValueDistance = GUI.HorizontalSlider(new Rect(125, 45, 100, 30), hSliderValueDistance, 0.01f, 1.0f); } }