149 lines
4.3 KiB
C#
149 lines
4.3 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 UnityEngine;
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namespace Oculus.Interaction
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{
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/// <summary>
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/// Pulls the selected interactable towards the interactor.
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/// </summary>
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public class ObjectPullProvider : MonoBehaviour, IMovementProvider
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{
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[SerializeField]
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[Min(0f)]
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private float _speed = 1f;
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public float Speed
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{
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get
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{
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return _speed;
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}
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set
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{
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_speed = value;
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}
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}
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[SerializeField]
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[Min(0f)]
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private float _deadZone = 0.02f;
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public float DeadZone
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{
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get
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{
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return _deadZone;
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}
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set
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{
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_deadZone = value;
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}
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}
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public IMovement CreateMovement()
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{
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return new ObjectPull(_speed, _deadZone);
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}
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}
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public class ObjectPull : IMovement
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{
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private float _speed = 1f;
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private float _deadZone = 0f;
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public Pose Pose => _current;
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public bool Stopped => _reachedGrabber;
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private Pose _current = Pose.identity;
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private Pose _grabberStartPose;
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private Pose _grabbableStartPose;
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private Pose _target;
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private Plane _pullingPlane;
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private Vector3 _translationDelta = Vector3.zero;
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private float _lastTime;
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private float _originalDistance;
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private bool _reachedGrabber = false;
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public ObjectPull(float speed, float deadZone)
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{
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_speed = speed;
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_deadZone = deadZone;
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}
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public void MoveTo(Pose target)
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{
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_target = _grabberStartPose = target;
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_current = _grabbableStartPose;
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_lastTime = Time.time;
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_reachedGrabber = false;
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Vector3 grabDir = (_grabbableStartPose.position - _grabberStartPose.position);
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_originalDistance = grabDir.magnitude;
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_pullingPlane = new Plane(grabDir.normalized, _grabberStartPose.position);
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}
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public void UpdateTarget(Pose target)
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{
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_target = target;
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}
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public void StopAndSetPose(Pose source)
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{
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_grabbableStartPose = source;
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}
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public void Tick()
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{
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if (_reachedGrabber)
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{
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_current = _target;
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return;
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}
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float timeDelta = (Time.time - _lastTime);
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_lastTime = Time.time;
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float posDelta = _pullingPlane.GetDistanceToPoint(_target.position);
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if (Mathf.Abs(posDelta) < _deadZone)
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{
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return;
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}
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Vector3 direction = (_current.position - _target.position).normalized;
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_translationDelta = direction * posDelta * _speed * timeDelta;
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float remainingDistance = Vector3.Distance(_current.position, _target.position);
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if (remainingDistance < _translationDelta.magnitude)
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{
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_reachedGrabber = true;
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_current = _target;
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}
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else
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{
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_current.position += _translationDelta;
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float currentDistance = Vector3.Distance(_current.position, _target.position);
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float progress = 1f - Mathf.Clamp01(currentDistance / _originalDistance);
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_current.rotation = Quaternion.Slerp(_grabbableStartPose.rotation, _target.rotation, progress);
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}
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}
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}
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}
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