53 lines
1.8 KiB
C#
53 lines
1.8 KiB
C#
using System;
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using UnityEngine;
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namespace Escape_Room_Engine.Portal
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{
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[RequireComponent(typeof(Collider), typeof(Rigidbody))]
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public class PortalDriver : MonoBehaviour
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{
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/// <summary>
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/// The object that will be transported through the portal. Usually either this object or a parent offset object.
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/// If left empty, it will default to this object.
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/// </summary>
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[SerializeField] private Transform traveller;
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/// <summary>
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/// The side of the portal this became tracked on.
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/// </summary>
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[HideInInspector] public int entrySide;
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/// <summary>
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/// A reference to the collider of this portal driver.
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/// </summary>
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public Collider Collider { get; private set; }
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private Rigidbody _rigidbody;
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private void Awake()
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{
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// check whether the collider is set up correctly
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Collider = GetComponent<Collider>();
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if (Collider.isTrigger) throw new Exception("Collider must not be a trigger.");
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// check whether the traveller is set
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if (!traveller) traveller = transform;
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// get the rigidbody if there is one
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_rigidbody = GetComponent<Rigidbody>();
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}
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public void Teleport(Portal from, Portal to)
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{
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var m = to.transform.localToWorldMatrix * Portal.HalfRotation * from.transform.worldToLocalMatrix *
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traveller.localToWorldMatrix;
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traveller.transform.SetPositionAndRotation(m.GetPosition(), m.rotation);
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if (_rigidbody)
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{
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_rigidbody.velocity = to.transform.TransformDirection(
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Portal.HalfRotation.rotation * from.transform.InverseTransformDirection(_rigidbody.velocity));
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}
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}
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}
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}
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