TO SQUASH: started menu callback calling

Assets/Scripts/MainMenu/MenuKey.cs

@@ -18,6 +18,8 @@ public class MenuKey : MonoBehaviour
 
     private bool isTranslating = false;
 
+    private bool triggered = false;
+
     private float translationElapsed = 0f;
 
     private float translationStartY = 0f;
@@ -95,9 +97,42 @@ public class MenuKey : MonoBehaviour
         targetRow = row;
     }
 
-    public void InvokeCallback(int _)
+    public void OpenKey(bool trigger)
     {
-        callbackHolder.InvokeCallback(currentRow);
+        this.triggered = trigger;
+        animator.ResetTrigger("buttonReleased");
+        animator.SetTrigger("buttonClicked");
+        if (!trigger)
+            animator.SetBool("inButton", true);
+    }
+
+    public void CloseKey()
+    {
+        animator.SetBool("inButton", false);
+    }
+
+    public void ReleaseKey()
+    {
+        animator.ResetTrigger("buttonClicked");
+        animator.SetTrigger("buttonReleased");
+    }
+
+    public void InvokeCallback()
+    {
+        if (!isTranslating)
+        {
+            callbackHolder.InvokeCallback(currentRow);
+        }
+    }
+
+    public void TriggerCallback(int _)
+    {
+        if (!isTranslating && triggered)
+        {
+            triggered = false;
+            callbackHolder.InvokeCallback(currentRow);
+            ReleaseKey();
+        }
     }
 
     private float EaseOutQuad(float t)