103 lines
2.7 KiB
C#
103 lines
2.7 KiB
C#
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* Licensed under the Oculus SDK License Agreement (the "License");
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* you may not use the Oculus SDK except in compliance with the License,
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* which is provided at the time of installation or download, or which
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* otherwise accompanies this software in either electronic or hard copy form.
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*
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* You may obtain a copy of the License at
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*
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* https://developer.oculus.com/licenses/oculussdk/
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*
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* Unless required by applicable law or agreed to in writing, the Oculus SDK
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using Oculus.Interaction.Input;
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using System;
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using UnityEngine;
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using UnityEngine.Assertions;
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using UnityEngine.Serialization;
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namespace Oculus.Interaction
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{
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public class IndexPinchSelector : MonoBehaviour, ISelector
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{
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[SerializeField, Interface(typeof(IHand))]
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private UnityEngine.Object _hand;
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public IHand Hand { get; private set; }
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private bool _isIndexFingerPinching;
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public event Action WhenSelected = delegate { };
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public event Action WhenUnselected = delegate { };
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protected bool _started = false;
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protected virtual void Awake()
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{
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Hand = _hand as IHand;
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}
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protected virtual void Start()
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{
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this.BeginStart(ref _started);
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this.AssertField(Hand, nameof(Hand));
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this.EndStart(ref _started);
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}
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protected virtual void OnEnable()
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{
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if (_started)
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{
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Hand.WhenHandUpdated += HandleHandUpdated;
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}
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}
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protected virtual void OnDisable()
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{
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if (_started)
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{
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Hand.WhenHandUpdated -= HandleHandUpdated;
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}
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}
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private void HandleHandUpdated()
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{
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var prevPinching = _isIndexFingerPinching;
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_isIndexFingerPinching = Hand.GetIndexFingerIsPinching();
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if (prevPinching != _isIndexFingerPinching)
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{
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if (_isIndexFingerPinching)
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{
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WhenSelected();
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}
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else
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{
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WhenUnselected();
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}
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}
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}
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#region Inject
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public void InjectAllIndexPinchSelector(IHand hand)
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{
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InjectHand(hand);
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}
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public void InjectHand(IHand hand)
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{
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_hand = hand as UnityEngine.Object;
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Hand = hand;
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}
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#endregion
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}
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}
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