创建标签系统包

Packages/LabelFollow/Runtime/LabelController.cs

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+using UnityEngine;
+
+namespace MuHua
+{
+	public class LabelController : MonoBehaviour
+	{
+		public static LabelController Instance { get; private set; }
+
+		public Canvas canvas; // 包含标签的Canvas
+		public GameObject labelPrefab; // 标签预制体
+
+		void Awake()
+		{
+			if (Instance == null)
+			{
+				Instance = this;
+			}
+			else
+			{
+				Destroy(gameObject);
+			}
+		}
+
+		public static GameObject CreateLabel(Transform target, Vector3 offset)
+		{
+			return CreateLabel(target, Instance.labelPrefab, offset);
+		}
+		public static GameObject CreateLabel(Transform target, GameObject labelPrefab, Vector3 offset)
+		{
+			GameObject labelObject = Instantiate(labelPrefab, Instance.canvas.transform);
+			LabelFollower followObjectLabel = labelObject.GetComponent<LabelFollower>();
+			followObjectLabel.target = target;
+			followObjectLabel.offset = offset;
+
+			return labelObject;
+		}
+	}
+}

Packages/LabelFollow/Runtime/LabelController.cs.meta

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Packages/LabelFollow/Runtime/LabelFollower.cs

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+using UnityEngine;
+
+namespace MuHua
+{
+	public class LabelFollower : MonoBehaviour
+	{
+		public Transform target; // 要跟随的目标物体
+		public Vector3 offset; // 标签的偏移量
+		void Update()
+		{
+			if (target != null)
+			{
+				// 设置标签的位置
+				transform.position = target.position + offset;
+
+				// 使标签面向相机
+				transform.rotation = Camera.main.transform.rotation;
+			}
+		}
+	}
+}

Packages/LabelFollow/Runtime/LabelFollower.cs.meta

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Packages/LabelFollow/Runtime/MuHua.asmdef

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+{
+	"name": "MuHua"
+}

Packages/LabelFollow/Runtime/MuHua.asmdef.meta

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