suta-togamennwakarann

Assets/_Scripts/VRLaserPointer.cs

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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);
+        }
+    }
+}