From 70c9d7105feb5162661379f427562de6cba17f91 Mon Sep 17 00:00:00 2001
From: ekrctb <ekrctb@gmail.com>
Date: Mon, 19 Jul 2021 13:33:22 +0900
Subject: [PATCH] Add a function to compute hit object position in catch editor

---
 .../Edit/CatchHitObjectUtils.cs               | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 osu.Game.Rulesets.Catch/Edit/CatchHitObjectUtils.cs

diff --git a/osu.Game.Rulesets.Catch/Edit/CatchHitObjectUtils.cs b/osu.Game.Rulesets.Catch/Edit/CatchHitObjectUtils.cs
new file mode 100644
index 0000000000..beffdf0362
--- /dev/null
+++ b/osu.Game.Rulesets.Catch/Edit/CatchHitObjectUtils.cs
@@ -0,0 +1,24 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Game.Rulesets.Catch.Objects;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK;
+
+namespace osu.Game.Rulesets.Catch.Edit
+{
+    /// <summary>
+    /// Utility functions used by the editor.
+    /// </summary>
+    public static class CatchHitObjectUtils
+    {
+        /// <summary>
+        /// Get the position of the hit object in the playfield based on <see cref="CatchHitObject.OriginalX"/> and <see cref="HitObject.StartTime"/>.
+        /// </summary>
+        public static Vector2 GetStartPosition(ScrollingHitObjectContainer hitObjectContainer, CatchHitObject hitObject)
+        {
+            return new Vector2(hitObject.OriginalX, hitObjectContainer.PositionAtTime(hitObject.StartTime));
+        }
+    }
+}