ParticleSystem.TrailModule.sizeAffectsLifetime

Description

Set whether the particle size will act as a multiplier on top of the trail lifetime.

Useful for making larger particles have longer trails.

no example available in JavaScript

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {

	private ParticleSystem ps;
	public bool sizeAffectsLifetime = true;

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

		var main = ps.main;
		main.startColor = new ParticleSystem.MinMaxGradient(Color.red, Color.yellow);
		main.startSize = new ParticleSystem.MinMaxCurve(0.01f, 1.0f);
		main.startLifetime = 1.5f;

		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.sizeAffectsLifetime = sizeAffectsLifetime;
	}

	void OnGUI() {
		sizeAffectsLifetime = GUI.Toggle(new Rect(25, 25, 200, 30), sizeAffectsLifetime, "Size affects lifetime");
	}
}