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Assets/Scripts/Demo/ArmTest.cs

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+using System;
+using NBF;
+using UnityEngine;
+
+public class ArmTest : MonoBehaviour
+{
+    public Vector3 target = new Vector3(0, 0, 0);
+
+    public Transform targetTransform;
+    // public float Value;
+
+    private Quaternion initialCameraRotation;
+    private Quaternion initialLocalRotation;
+    private Quaternion initialRelativeRotation;
+
+
+    [SerializeField] private float smoothSpeed = 5f;
+
+    private void Start()
+    {
+        // target = transform.localEulerAngles;
+
+        // 记录初始状态
+        initialCameraRotation = BaseCamera.Main.transform.rotation;
+        initialLocalRotation = transform.localRotation;
+
+        // 计算物体相对于相机的旋转
+        initialRelativeRotation = Quaternion.Inverse(initialCameraRotation) * transform.rotation;
+    }
+
+    private void Update()
+    {
+        
+    }
+
+    private Quaternion lastCameraRotation;
+    [SerializeField] private float angleThreshold = 0.1f; // 角度阈值(度)
+    private bool needsUpdate;
+    
+    // private void LateUpdate()
+    private void LateUpdate()
+    {
+        if (!targetTransform) return;
+        return;
+        // Debug.LogError(targetTransform.rotation);
+
+        
+        // 计算物体应有的世界旋转
+        Quaternion targetWorldRotation = BaseCamera.Main.transform.rotation * initialRelativeRotation;
+
+        // 转换为本地旋转（如果是子物体）
+        transform.localRotation = Quaternion.Inverse(transform.parent.rotation) * targetWorldRotation;
+        
+        
+        // // 使用Lerp平滑过渡
+        // transform.localRotation = Quaternion.Lerp(transform.localRotation, Quaternion.Euler(target.x, target.y, target.z), smoothSpeed * Time.deltaTime);
+        // // targetTransform.localRotation = Quaternion.Euler(target.x, target.y, target.z);
+    }
+}