Add billboard behaviour component

Assets/Scenes/Main.unity

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Assets/Scripts/BillboardBehaviour.cs

@@ -0,0 +1,20 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BillboardBehaviour : MonoBehaviour
+{
+    private Vector3 initialRotation;
+    // Start is called before the first frame update
+    void Start()
+    {
+        initialRotation = transform.rotation.eulerAngles;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        transform.LookAt(Camera.main.transform.position);
+        transform.rotation = Quaternion.Euler(new Vector3(initialRotation.x, transform.rotation.eulerAngles.y, initialRotation.z));
+    }
+}

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