Legacy Documentation: Version 2018.1 (Go to current version)
LanguageEnglish
  • C#
  • JS

Script language

Select your preferred scripting language. All code snippets will be displayed in this language.

ParticleSystem.SizeOverLifetimeModule.enabled

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Switch to Manual
public var enabled: bool;
public bool enabled;

Description

Enable/disable the Size Over Lifetime module.

#pragma strict
private var ps: ParticleSystem;
public var hSliderValue: float = 1.0f;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	var sizeOverLifetime: var = ps.sizeOverLifetime;
	sizeOverLifetime.enabled = true;
	var curve: AnimationCurve = new AnimationCurve();
	curve.AddKey(0.0f, 0.0f);
	curve.AddKey(1.0f, 1.0f);
	sizeOverLifetime.size = new ParticleSystem.MinMaxCurve(1.0f, curve);
	var psr: var = GetComponent.<ParticleSystemRenderer>();
	psr.material = new Material(Shader.Find("Sprites/Default"));
	// this material renders a square billboard, making it easier to see the size
}
function Update() {
	var main: var = ps.main;
	main.startLifetimeMultiplier = hSliderValue;
}
function OnGUI() {
	hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 1.0f, 5.0f);
}
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValue = 1.0f;

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

var sizeOverLifetime = ps.sizeOverLifetime; sizeOverLifetime.enabled = true;

AnimationCurve curve = new AnimationCurve(); curve.AddKey(0.0f, 0.0f); curve.AddKey(1.0f, 1.0f);

sizeOverLifetime.size = new ParticleSystem.MinMaxCurve(1.0f, curve);

var psr = GetComponent<ParticleSystemRenderer>(); psr.material = new Material(Shader.Find("Sprites/Default")); // this material renders a square billboard, making it easier to see the size }

void Update() { var main = ps.main; main.startLifetimeMultiplier = hSliderValue; }

void OnGUI() { hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 1.0f, 5.0f); } }

Did you find this page useful? Please give it a rating: