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134 lines
2.9 KiB
134 lines
2.9 KiB
using System.Collections;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using VRTK;
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public class CoriolisDisplay : MonoBehaviour
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{
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[Header("References")]
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[SerializeField]
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private RotationController m_ship;
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[SerializeField]
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private GameObject m_segmentPrefab;
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[SerializeField]
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private Transform m_tip;
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[Header("settings")]
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[SerializeField]
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private int m_segmentCount = 20;
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[SerializeField]
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private float m_segmentSpacing = 0.5f;
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[SerializeField]
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private float m_coriolisMultiplier = 1;
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private VRTK_InteractableObject m_interactable;
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private List<GameObject> m_segments = new List<GameObject>();
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private void Awake()
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{
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if (m_ship == null)
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m_ship = FindObjectOfType<RotationController>();
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m_interactable = GetComponent<VRTK_InteractableObject>();
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}
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private void OnEnable()
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{
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RegisterEvents(true);
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}
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private void OnDisable()
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{
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RegisterEvents(false);
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DestroySegments();
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}
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private void Update()
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{
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UpdateSegments();
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}
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private void GenerateSegments()
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{
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for (int i = 0; i < m_segmentCount; i++)
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{
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GameObject segment = Instantiate(m_segmentPrefab);
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segment.transform.position = transform.position;
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m_segments.Add(segment);
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}
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}
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private void DestroySegments()
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{
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foreach (GameObject segment in m_segments)
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{
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Destroy(segment);
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}
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m_segments.Clear();
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}
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private void UpdateSegments()
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{
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if (m_segments == null || m_segments.Count == 0)
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return;
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Vector3 position = m_tip.position;
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Vector3 direction = m_tip.forward;
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Vector3 shipDirection = m_ship.RotationAxis;
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foreach(GameObject segment in m_segments)
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{
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Vector3 force = 2 * Vector3.Cross(direction, m_ship.RotationAxis) * (2 * Mathf.PI / m_ship.RotationPeriod);
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direction = (direction + force * m_coriolisMultiplier).normalized * m_segmentSpacing;
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position = position + direction;
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segment.transform.position = position;
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segment.transform.forward = direction;
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}
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}
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private void OnGrab(object sender, InteractableObjectEventArgs args)
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{
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GenerateSegments();
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}
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private void OnDrop(object sender, InteractableObjectEventArgs args)
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{
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DestroySegments();
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}
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private void RegisterEvents(bool value)
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{
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if (value)
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{
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m_interactable.InteractableObjectGrabbed += OnGrab;
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m_interactable.InteractableObjectUngrabbed += OnDrop;
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}
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else
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{
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m_interactable.InteractableObjectGrabbed -= OnGrab;
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m_interactable.InteractableObjectUngrabbed -= OnDrop;
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}
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}
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}
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