AUMSS/Runtime/TimedTeleport.cs

using UdonSharp;
using UnityEngine;
using VRC.SDKBase;

[UdonBehaviourSyncMode(BehaviourSyncMode.NoVariableSync)]
[AddComponentMenu("Artyom Scripting System/Timed Teleport")]
[DisallowMultipleComponent]
public class TimedTeleport : UdonSharpBehaviour
{
    [Header("Teleportation Settings")]
    public Transform teleportTarget; // The transform to teleport the player to
    public float delay = 1f; // The delay in seconds before teleportation
    [Tooltip("Leaving the trigger before the delay is up cancels the teleport.")]
    public bool cancelOnExit = false;

    private bool pending; // A teleport is waiting: entering again doesn't queue another

    public override void OnPlayerTriggerEnter(VRCPlayerApi player)
    {
        if (!player.isLocal || pending) return;
        if (teleportTarget == null)
        {
            Debug.LogError("[AUMSS] Timed Teleport: Teleport Target isn't assigned.");
            return;
        }
        pending = true;
        SendCustomEventDelayedSeconds(nameof(TeleportPlayer), delay);
    }

    public override void OnPlayerTriggerExit(VRCPlayerApi player)
    {
        if (cancelOnExit && player.isLocal) pending = false;
    }

    public void TeleportPlayer()
    {
        if (!pending) return; // Cancelled by leaving the trigger
        pending = false;
        Networking.LocalPlayer.TeleportTo(teleportTarget.position,
                                          teleportTarget.rotation,
                                          VRC_SceneDescriptor.SpawnOrientation.Default,
                                          false
                                        );
    }
}