ParticleSystem.RotationBySpeedModule.z

Description

Rotation by speed curve for the Z axis.

See Also: MinMaxCurve.

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;

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

		rotationBySpeed.z = new ParticleSystem.MinMaxCurve(1.0f, curve);
		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);
	}
}