Thorbjoern
87 lines
2.7 KiB
C#
87 lines
2.7 KiB
C#
using UnityEngine;
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using UnityEngine.XR.Interaction.Toolkit;
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using UnityEngine.XR.Interaction.Toolkit.Interactables;
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namespace XRMultiplayer
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{
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[RequireComponent(typeof(TrailRenderer))]
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public class PenTrail : MonoBehaviour
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{
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public TrailRenderer trailRenderer => m_TrailRenderer;
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TrailRenderer m_TrailRenderer;
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[SerializeField] bool m_UseLifetime = false;
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[SerializeField] float m_ObjectLifetimeInSeconds = 900.0f;
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GameObject m_SpawnedInteractableObject;
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Color m_StartColor;
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float m_StartWidth;
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// Start is called before the first frame update
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void Awake()
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{
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if (!TryGetComponent(out m_TrailRenderer))
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{
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Utils.Log("Missing Components! Disabling Now.", 2);
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enabled = false;
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return;
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}
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}
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public void SetColor(Color color)
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{
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m_StartColor = color;
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UpdateColor(m_StartColor);
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}
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void UpdateColor(Color color)
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{
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m_TrailRenderer.material.color = color;
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m_TrailRenderer.startColor = color;
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m_TrailRenderer.endColor = color;
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}
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public void CreateInteractableTrail()
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{
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m_StartWidth = m_TrailRenderer.startWidth;
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Mesh mesh = new();
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m_TrailRenderer.BakeMesh(mesh, true);
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m_SpawnedInteractableObject = new();
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m_SpawnedInteractableObject.transform.position = Vector3.zero;
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m_SpawnedInteractableObject.AddComponent<MeshFilter>().mesh = mesh;
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m_SpawnedInteractableObject.AddComponent<MeshCollider>().sharedMesh = mesh;
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m_SpawnedInteractableObject.transform.parent = transform;
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XRSimpleInteractable interactable = m_SpawnedInteractableObject.AddComponent<XRSimpleInteractable>();
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interactable.activated.AddListener(DestroyTrail);
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interactable.hoverEntered.AddListener(HoverEntered);
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interactable.hoverExited.AddListener(HoverExited);
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if (m_UseLifetime)
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Destroy(gameObject, m_ObjectLifetimeInSeconds);
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}
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void HoverEntered(HoverEnterEventArgs args)
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{
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m_TrailRenderer.startWidth = m_StartWidth * 3.0f;
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m_TrailRenderer.endWidth = m_StartWidth * 3.0f;
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UpdateColor(Color.red);
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}
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void HoverExited(HoverExitEventArgs args)
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{
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m_TrailRenderer.startWidth = m_StartWidth;
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m_TrailRenderer.endWidth = m_StartWidth;
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UpdateColor(m_StartColor);
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}
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void DestroyTrail(ActivateEventArgs args)
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{
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Destroy(gameObject);
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}
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}
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}
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