Choose what action to perform when particles are inside the trigger volume.
This action will be performed every frame while particles are inside the trigger volume. See Also: MonoBehaviour.OnParticleTrigger.
#pragma strict private var ps: ParticleSystem; public var enter: boolean; public var exit: boolean; public var inside: boolean; public var outside: boolean; function Start() { ps = GetComponent.<ParticleSystem>(); var sphere: var = 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: var = ps.shape; shape.enabled = false; var trigger: var = ps.trigger; trigger.enabled = true; trigger.SetCollider(0, sphere.GetComponent.<Collider>()); } function Update() { var trigger: var = 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; } function 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"); } function OnParticleTrigger() { if (enter) { var enterList: List.<ParticleSystem.Particle> = new List.<ParticleSystem.Particle>(); var numEnter: int = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Enter, enterList); for (var i: int = 0; i < numEnter; i++) { var p: ParticleSystem.Particle = enterList[i]; p.startColor = new Color32(255, 0, 0, 255); enterList[i] = p; } ps.SetTriggerParticles(ParticleSystemTriggerEventType.Enter, enterList); } if (exit) { var exitList: List.<ParticleSystem.Particle> = new List.<ParticleSystem.Particle>(); var numExit: int = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Exit, exitList); for (var i: int = 0; i < numExit; i++) { var p: ParticleSystem.Particle = exitList[i]; p.startColor = new Color32(0, 255, 0, 255); exitList[i] = p; } ps.SetTriggerParticles(ParticleSystemTriggerEventType.Exit, exitList); } if (inside) { var insideList: List.<ParticleSystem.Particle> = new List.<ParticleSystem.Particle>(); var numInside: int = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Inside, insideList); for (var i: int = 0; i < numInside; i++) { var p: ParticleSystem.Particle = insideList[i]; p.startColor = new Color32(0, 0, 255, 255); insideList[i] = p; } ps.SetTriggerParticles(ParticleSystemTriggerEventType.Inside, insideList); } if (outside) { var outsideList: List.<ParticleSystem.Particle> = new List.<ParticleSystem.Particle>(); var numOutside: int = ps.GetTriggerParticles(ParticleSystemTriggerEventType.Outside, outsideList); for (var i: int = 0; i < numOutside; i++) { var p: ParticleSystem.Particle = outsideList[i]; p.startColor = new Color32(0, 255, 255, 255); outsideList[i] = p; } ps.SetTriggerParticles(ParticleSystemTriggerEventType.Outside, outsideList); } }
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); } } }