Choose what proportion of particles receive a trail.
Use a value between 0 and 1, where 0 doesn't add trails to any particles, and 1 adds trails to every particle.
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValueRatio = 1.0f;
void Start() { ps = GetComponent<ParticleSystem>();
var main = ps.main; main.startColor = new ParticleSystem.MinMaxGradient(Color.red, Color.yellow); main.startSize = 0.1f;
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.ratio = hSliderValueRatio; }
void OnGUI() { GUI.Label(new Rect(25, 40, 100, 30), "Ratio");
hSliderValueRatio = GUI.HorizontalSlider(new Rect(55, 45, 100, 30), hSliderValueRatio, 0.0f, 1.0f); } }
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