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Assets/Dreamteck/Splines/Editor/Components/SetClipRangeWindow.cs

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+namespace Dreamteck.Splines.Editor
+{
+    using System.Collections;
+    using System.Collections.Generic;
+    using UnityEngine;
+    using UnityEditor;
+    public class ClipRangeWindow : EditorWindow
+    {
+        private float from = 0f;
+        private float to = 0f;
+        private  System.Action<float, float> rcv;
+        private float length = 0f;
+        public void Init(System.Action<float, float> receiver, float fromDistance, float toDistance, float totalLength)
+        {
+            rcv = receiver;
+            length = totalLength;
+            from = fromDistance;
+            to = toDistance;
+            titleContent = new GUIContent("Set Clip Range Distances");
+            minSize = maxSize = new Vector2(240, 120);
+        }
+
+        private void OnGUI()
+        {
+            if (Event.current.type == EventType.KeyDown && (Event.current.keyCode == KeyCode.KeypadEnter || Event.current.keyCode == KeyCode.Return))
+            {
+                rcv(from, to);
+                Close();
+            }
+            from = EditorGUILayout.FloatField("From ", from);
+            if (from < 0f) from = 0f;
+            else if (from > length) from = length;
+
+            to = EditorGUILayout.FloatField("To ", to);
+            if (to < 0f) to = 0f;
+            else if (to > length) to = length;
+
+            EditorGUILayout.HelpBox("Enter the distance and press Enter. Current spline length: " + length, MessageType.Info);
+        }
+    }
+}