ParticleSystem.EmissionModule.rateOverDistance

Description

The rate at which new particles are spawned, over distance.

New particles will only be emitted when the emitter moves. See Also: MinMaxCurve, ParticleSystem.EmissionModule.rateOverTime.

no example available in JavaScript

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {

	private ParticleSystem ps;
	public float hSliderValue = 5.0f;

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

		var main = ps.main;
		main.simulationSpace = ParticleSystemSimulationSpace.World;	// rate over distance only works for world space simulations

		var shape = ps.shape;
		shape.enabled = false;

		var emission = ps.emission;
		emission.rateOverTime = 0.0f;

		// add a sphere so we can see our transform position as it moves
		var sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
		sphere.transform.parent = ps.transform;
	}

	void Update() {
		var emission = ps.emission;
		emission.rateOverDistance = hSliderValue;

		ps.transform.position = new Vector3(Mathf.Sin(Time.time) * 2.0f, 0.0f, 0.0f);
	}

	void OnGUI() {
		hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 1.0f, 20.0f);
	}
}