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VRProject/Assets/_Scripts/VRLaserPointer.cs
2026-07-28 12:22:44 +09:00

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using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
namespace VRTitle.Input
{
/// <summary>
/// VRコントローラーからのポインター入力とUI操作を仲介するコンポーネント
/// </summary>
[RequireComponent(typeof(LineRenderer))]
public class VRLaserPointer : MonoBehaviour
{
[Header("Ray Settings")]
[SerializeField] private float maxDistance = 10f;
[SerializeField] private LayerMask uiLayerMask = ~0;
[Header("Visual")]
[SerializeField] private LineRenderer lineRenderer;
private GameObject currentHoveredObject;
private void Reset()
{
lineRenderer = GetComponent<LineRenderer>();
lineRenderer.positionCount = 2;
lineRenderer.startWidth = 0.005f;
lineRenderer.endWidth = 0.001f;
}
private void Update()
{
ProcessPointer();
}
private void ProcessPointer()
{
Ray ray = new Ray(transform.position, transform.forward);
PointerEventData pointerData = new PointerEventData(EventSystem.current)
{
position = new Vector2(Screen.width / 2f, Screen.height / 2f)
};
List<RaycastResult> results = new List<RaycastResult>();
EventSystem.current?.RaycastAll(pointerData, results);
Vector3 targetPosition = transform.position + transform.forward * maxDistance;
if (results.Count > 0)
{
RaycastResult hit = results[0];
targetPosition = hit.worldPosition;
UpdateHoverState(hit.gameObject, pointerData);
}
else
{
UpdateHoverState(null, pointerData);
}
// ポインター描画の更新
lineRenderer.SetPosition(0, transform.position);
lineRenderer.SetPosition(1, targetPosition);
}
private void UpdateHoverState(GameObject newHover, PointerEventData pointerData)
{
if (currentHoveredObject == newHover) return;
if (currentHoveredObject != null)
{
ExecuteEvents.Execute(currentHoveredObject, pointerData, ExecuteEvents.pointerExitHandler);
}
currentHoveredObject = newHover;
if (currentHoveredObject != null)
{
ExecuteEvents.Execute(currentHoveredObject, pointerData, ExecuteEvents.pointerEnterHandler);
}
}
/// <summary>
/// トリガーボタンが押された時に呼び出すInput System側から呼び出し可能
/// </summary>
public void OnPrimaryTriggerDown()
{
if (currentHoveredObject == null) return;
PointerEventData pointerData = new PointerEventData(EventSystem.current);
ExecuteEvents.Execute(currentHoveredObject, pointerData, ExecuteEvents.pointerClickHandler);
}
}
}