Version: 2022.3
LanguageEnglish
  • C#

Physics.OverlapSphere

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Declaration

public static Collider[] OverlapSphere(Vector3 position, float radius, int layerMask = AllLayers, QueryTriggerInteraction queryTriggerInteraction = QueryTriggerInteraction.UseGlobal);

Parameters

position Center of the sphere.
radius Radius of the sphere.
layerMask A Layer mask defines which layers of colliders to include in the query.
queryTriggerInteraction Specifies whether this query should hit Triggers.

Returns

Collider[] Returns an array with all colliders touching or inside the sphere.

Description

Computes and stores colliders touching or inside the sphere.

Additional resources: Physics.AllLayers. Allocates memory. Consider using Physics.OverlapSphereNonAlloc instead.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void ExplosionDamage(Vector3 center, float radius) { Collider[] hitColliders = Physics.OverlapSphere(center, radius); foreach (var hitCollider in hitColliders) { hitCollider.SendMessage("AddDamage"); } } }

Additional resources: Layer mask particularly "Casting Rays Selectively" for a detailed example of Layer masking.