58 lines
1.8 KiB
C#
58 lines
1.8 KiB
C#
using System;
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using UnityEngine.Events;
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namespace UnityEngine.XR.Content.Interaction
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{
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/// <summary>
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/// Calls functionality when a physics collision occurs
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/// </summary>
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public class OnCollision : MonoBehaviour
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{
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[Serializable] public class CollisionEvent : UnityEvent<Collision> { }
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[SerializeField]
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[Tooltip("If set, this collision will only fire if the other gameobject has this tag.")]
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string m_RequiredTag = string.Empty;
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[SerializeField]
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[Tooltip("Events to fire when a matcing object collides with this one.")]
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CollisionEvent m_OnEnter = new CollisionEvent();
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[SerializeField]
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[Tooltip("Events to fire when a matching object stops colliding with this one.")]
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CollisionEvent m_OnExit = new CollisionEvent();
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/// <summary>
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/// If set, this collision will only fire if the other gameobject has this tag.
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/// </summary>
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public string requiredTag => m_RequiredTag;
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/// <summary>
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/// Events to fire when a matching object collides with this one.
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/// </summary>
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public CollisionEvent onEnter => m_OnEnter;
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/// <summary>
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/// Events to fire when a matching object stops colliding with this one.
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/// </summary>
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public CollisionEvent onExit => m_OnExit;
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void OnCollisionEnter(Collision collision)
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{
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if (CanInvoke(collision.gameObject))
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m_OnEnter?.Invoke(collision);
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}
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void OnCollisionExit(Collision collision)
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{
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if (CanInvoke(collision.gameObject))
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m_OnExit?.Invoke(collision);
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}
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bool CanInvoke(GameObject otherGameObject)
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{
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return string.IsNullOrEmpty(m_RequiredTag) || otherGameObject.CompareTag(m_RequiredTag);
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}
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}
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}
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