124 lines
3.5 KiB
C#
124 lines
3.5 KiB
C#
using System.Collections.Generic;
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using Unity.XR.CoreUtils;
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using UnityEngine;
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using UnityEngine.Animations;
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using UnityEngine.XR.Interaction.Toolkit;
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using UnityEngine.XR.Interaction.Toolkit.Interactables;
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public class RideController : MonoBehaviour
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{
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[SerializeField] private Transform _itemRoot;
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[SerializeField, Min(0f)] private float _settleVelocity = 0.1f;
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[SerializeField, Min(0f)] private float _settleDuration = 0.3f;
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private ParentConstraint _parentConstraint;
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private readonly Dictionary<Rigidbody, float> _settleTimer = new();
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private void Awake()
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{
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_parentConstraint = GetComponent<ParentConstraint>();
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if (_parentConstraint.sourceCount == 0 ||
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_parentConstraint.GetSource(0).sourceTransform == null)
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{
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var xrOrigin = FindFirstObjectByType<XROrigin>();
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if (xrOrigin == null)
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{
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Debug.LogWarning("RideController: 씬에서 XROrigin을 찾지 못했습니다.");
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return;
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}
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var source = new ConstraintSource
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{
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sourceTransform = xrOrigin.transform,
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weight = 1f
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};
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if (_parentConstraint.sourceCount == 0)
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_parentConstraint.AddSource(source);
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else
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_parentConstraint.SetSource(0, source);
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}
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}
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public void ActiveRide()
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{
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_parentConstraint.constraintActive = true;
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}
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public void DeactiveRide()
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{
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_parentConstraint.constraintActive = false;
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}
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public void OnDetectionStay(Collider other)
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{
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var rb = other.attachedRigidbody;
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if (rb == null || rb.isKinematic) return;
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if (!rb.TryGetComponent(out XRGrabInteractable grab)) return;
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if (grab.isSelected)
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{
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_settleTimer.Remove(rb);
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return;
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}
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if (rb.linearVelocity.magnitude > _settleVelocity)
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{
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_settleTimer[rb] = 0f;
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return;
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}
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float elapsed = _settleTimer.GetValueOrDefault(rb, 0f) + Time.deltaTime;
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if (elapsed >= _settleDuration)
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{
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AttachToCart(grab, rb);
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_settleTimer.Remove(rb);
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}
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else
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{
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_settleTimer[rb] = elapsed;
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}
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}
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public void OnDetectionExit(Collider other)
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{
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var rb = other.attachedRigidbody;
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if (rb != null) _settleTimer.Remove(rb);
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}
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private void AttachToCart(XRGrabInteractable grab, Rigidbody rb)
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{
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grab.transform.SetParent(_itemRoot);
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rb.linearVelocity = Vector3.zero;
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rb.angularVelocity = Vector3.zero;
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rb.isKinematic = true;
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// 잡았다 놓을 때 XRGrabInteractable이 parent를 ItemRoot로 되돌리는 것 방지
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grab.retainTransformParent = false;
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grab.selectEntered.AddListener(OnPickedUpFromCart);
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}
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private void OnPickedUpFromCart(SelectEnterEventArgs args)
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{
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if (args.interactableObject is not XRGrabInteractable grab) return;
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grab.transform.SetParent(null);
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grab.selectEntered.RemoveListener(OnPickedUpFromCart);
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grab.selectExited.AddListener(OnReleasedAfterPickup);
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}
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private void OnReleasedAfterPickup(SelectExitEventArgs args)
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{
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if (args.interactableObject is not XRGrabInteractable grab) return;
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// XRGrabInteractable이 original(kinematic=true)로 복원한 것을 덮어씀
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if (grab.TryGetComponent(out Rigidbody rb)) rb.isKinematic = false;
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grab.selectExited.RemoveListener(OnReleasedAfterPickup);
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}
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}
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