ParticleSystem.RotationBySpeedModule.yMultiplier

Description

Speed multiplier along the Y axis.

This method is more efficient than accessing the whole curve, if you only want to change the overall speed multiplier.

no example available in JavaScript

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {

	private ParticleSystem ps;
	public float hSliderValue = 1.0f;

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

		var rotationBySpeed = ps.rotationBySpeed;
		rotationBySpeed.enabled = true;
		rotationBySpeed.separateAxes = true;

		rotationBySpeed.xMultiplier = 0.0f;
		rotationBySpeed.yMultiplier = 1.0f;
		rotationBySpeed.zMultiplier = 0.0f;
		rotationBySpeed.range = new Vector2(1.0f, 5.0f);

		var psr = GetComponent<ParticleSystemRenderer>();
		psr.material = new Material(Shader.Find("Sprites/Default"));	// this material renders a square billboard, so we can see the rotation
	}

	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);
	}
}