ParticleSystem.SizeBySpeedModule.range

Description

Apply the size curve between these minimum and maximum speeds.

See Also: ParticleSystem.SizeBySpeedModule.size.

#pragma strict
private var ps: ParticleSystem;
public var hSliderValue: float = 1.0f;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	var sizeBySpeed: var = ps.sizeBySpeed;
	sizeBySpeed.enabled = true;
	var curve: AnimationCurve = new AnimationCurve();
	curve.AddKey(0.0f, 0.0f);
	curve.AddKey(1.0f, 1.0f);
	sizeBySpeed.size = new ParticleSystem.MinMaxCurve(1.0f, curve);
	sizeBySpeed.range = new Vector2(0.9f, 5.0f);
	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.startSpeed = 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 sizeBySpeed = ps.sizeBySpeed;
        sizeBySpeed.enabled = true;

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

        sizeBySpeed.size = new ParticleSystem.MinMaxCurve(1.0f, curve);
        sizeBySpeed.range = new Vector2(0.9f, 5.0f);

        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.startSpeed = hSliderValue;
    }

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