ParticleSystem.TriggerModule.SetCollider

Parameters

Description

Set a collision shape associated with this particle system trigger.

no example available in JavaScript

using UnityEngine;
using UnityEditor;
using System.Collections.Generic;
using UnityEngine.EventSystems;

public class ExampleClass : MonoBehaviour {

	private ParticleSystem ps;
	public bool enter;
	public bool exit;
	public bool inside;
	public bool outside;

	void Start() {

		ps = GetComponent<ParticleSystem>();

		var sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
		sphere.transform.parent = ps.transform;
		sphere.transform.localPosition = new Vector3(0.0f, 0.0f, 3.0f);
		sphere.transform.localScale = new Vector3(3.0f, 3.0f, 3.0f);
		sphere.GetComponent<MeshRenderer>().material = AssetDatabase.GetBuiltinExtraResource<Material>("Default-Particle.mat");

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

		var trigger = ps.trigger;
		trigger.enabled = true;
		trigger.SetCollider(0, sphere.GetComponent<Collider>());
	}

	void Update() {

		var trigger = ps.trigger;
		trigger.enter = enter ? ParticleSystemOverlapAction.Callback : ParticleSystemOverlapAction.Ignore;
		trigger.exit = exit ? ParticleSystemOverlapAction.Callback : ParticleSystemOverlapAction.Ignore;
		trigger.inside = inside ? ParticleSystemOverlapAction.Callback : ParticleSystemOverlapAction.Ignore;
		trigger.outside = outside ? ParticleSystemOverlapAction.Callback : ParticleSystemOverlapAction.Ignore;
	}

	void OnGUI() {

		enter = GUI.Toggle(new Rect(25, 40, 200, 30), enter, "Enter Callback");
		exit = GUI.Toggle(new Rect(25, 80, 200, 30), exit, "Exit Callback");
		inside = GUI.Toggle(new Rect(25, 120, 200, 30), inside, "Inside Callback");
		outside = GUI.Toggle(new Rect(25, 160, 200, 30), outside, "Outside Callback");
	}

	void OnParticleTrigger() {

		if (enter) {

			List<ParticleSystem.Particle> enterList = new List<ParticleSystem.Particle>();
			int numEnter = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Enter, enterList);

			for (int i = 0; i < numEnter; i++) {

				ParticleSystem.Particle p = enterList[i];
				p.startColor = new Color32(255, 0, 0, 255);
				enterList[i] = p;
			}

			ps.SetTriggerParticles(ParticleSystemTriggerEventType.Enter, enterList);
		}

		if (exit) {

			List<ParticleSystem.Particle> exitList = new List<ParticleSystem.Particle>();
			int numExit = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Exit, exitList);

			for (int i = 0; i < numExit; i++) {

				ParticleSystem.Particle p = exitList[i];
				p.startColor = new Color32(0, 255, 0, 255);
				exitList[i] = p;
			}

			ps.SetTriggerParticles(ParticleSystemTriggerEventType.Exit, exitList);
		}

		if (inside) {

			List<ParticleSystem.Particle> insideList = new List<ParticleSystem.Particle>();
			int numInside = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Inside, insideList);

			for (int i = 0; i < numInside; i++) {

				ParticleSystem.Particle p = insideList[i];
				p.startColor = new Color32(0, 0, 255, 255);
				insideList[i] = p;
			}

			ps.SetTriggerParticles(ParticleSystemTriggerEventType.Inside, insideList);
		}

		if (outside) {

			List<ParticleSystem.Particle> outsideList = new List<ParticleSystem.Particle>();
			int numOutside = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Outside, outsideList);

			for (int i = 0; i < numOutside; i++) {

				ParticleSystem.Particle p = outsideList[i];
				p.startColor = new Color32(0, 255, 255, 255);
				outsideList[i] = p;
			}

			ps.SetTriggerParticles(ParticleSystemTriggerEventType.Outside, outsideList);
		}
	}
}