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ParticleSystem.TriggerModule.enter

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public var enter: ParticleSystemOverlapAction;

Description

Choose what action to perform when particles enter the trigger volume.

#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); } } }
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