fully functional snap change menu

Assets/Scripts/LevelEditor/TempoFinder/TempoFinder.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace HeavenStudio.Editor 
+{
+    public class TempoFinder : MonoBehaviour
+    {
+        [SerializeField] private GameObject tempoFinder;
+        private bool pressed;
+        private float timePressed;
+        [SerializeField] private BPMText bpmText;
+        private void Awake() 
+        {
+            pressed = false;
+            timePressed = 0f;
+        }
+        public void SwitchTempoDialog()
+        {
+            if(tempoFinder.activeSelf) {
+                tempoFinder.SetActive(false);
+                timePressed = 0;
+                bpmText.ResetText();
+            } else {
+                tempoFinder.SetActive(true);
+            }
+        }
+        public void TapBPM()
+        {
+            pressed = true;
+        }
+        private void Update()
+        {
+            timePressed += Time.deltaTime;
+            if(pressed)
+            {
+                pressed = false;
+                bpmText.ChangeText(timePressed);
+                timePressed = 0;
+            }
+        }
+    }
+}

Assets/Scripts/LevelEditor/TempoFinder/TempoFinder.cs.meta

@@ -0,0 +1,11 @@
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+  externalObjects: {}
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+  defaultReferences: []
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Assets/Scripts/LevelEditor/TempoFinder/TempoFinderButton.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+
+namespace HeavenStudio.Editor 
+{
+    public class TempoFinderButton : Button, IPointerDownHandler
+    {
+        public TempoFinder tempoFinder;
+        public override void OnPointerDown(PointerEventData eventData)
+        {
+            if (eventData.button == PointerEventData.InputButton.Left)
+            {
+                tempoFinder.TapBPM();
+            }
+        }
+    }
+}

Assets/Scripts/LevelEditor/TempoFinder/TempoFinderButton.cs.meta

@@ -0,0 +1,11 @@
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