117 lines
3.7 KiB
C#
117 lines
3.7 KiB
C#
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/*
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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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using UnityEngine.Assertions;
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namespace OculusSampleFramework
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{
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public class TrainTrack : MonoBehaviour
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{
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[SerializeField] private float _gridSize = 0.5f;
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[SerializeField] private int _subDivCount = 20;
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[SerializeField] private Transform _segmentParent = null;
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[SerializeField] private Transform _trainParent = null;
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// regeneration is optional
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[SerializeField] private bool _regnerateTrackMeshOnAwake = false;
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private float _trainLength = -1.0f;
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private TrackSegment[] _trackSegments = null;
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public float TrackLength
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{
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get { return _trainLength; }
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private set { _trainLength = value; }
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}
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private void Awake()
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{
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Assert.IsNotNull(_segmentParent);
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Assert.IsNotNull(_trainParent);
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Regenerate();
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}
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public TrackSegment GetSegment(float distance)
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{
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int childCount = _segmentParent.childCount;
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for (int i = 0; i < childCount; i++)
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{
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var segment = _trackSegments[i];
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var nextSegment = _trackSegments[(i + 1) % childCount];
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if (distance >= segment.StartDistance && (distance < nextSegment.StartDistance || i == childCount - 1))
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{
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return segment;
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}
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}
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return null;
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}
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public void Regenerate()
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{
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_trackSegments = _segmentParent.GetComponentsInChildren<TrackSegment>();
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TrackLength = 0;
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int childCount = _segmentParent.childCount;
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TrackSegment lastSegment = null;
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var ratio = 0.0f;
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for (int i = 0; i < childCount; i++)
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{
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var segment = _trackSegments[i];
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segment.SubDivCount = _subDivCount;
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ratio = segment.setGridSize(_gridSize);
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if (lastSegment != null)
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{
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var endPose = lastSegment.EndPose;
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segment.transform.position = endPose.Position;
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segment.transform.rotation = endPose.Rotation;
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segment.StartDistance = TrackLength;
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}
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if (_regnerateTrackMeshOnAwake)
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{
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segment.RegenerateTrackAndMesh();
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}
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TrackLength += segment.SegmentLength;
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lastSegment = segment;
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}
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SetScale(ratio);
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}
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private void SetScale(float ratio)
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{
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_trainParent.localScale = new Vector3(ratio, ratio, ratio);
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var cars = _trainParent.GetComponentsInChildren<TrainCar>();
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var locomotive = _trainParent.GetComponentInChildren<TrainLocomotive>();
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locomotive.Scale = ratio;
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foreach (var car in cars)
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{
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car.Scale = ratio;
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}
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}
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}
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}
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