add linerenderer context menu

unitycoder · web-flow · commit 936e19d819f2 · 2026-01-29T11:46:41.000+02:00
convert linerenderer points between local to worldspace
diff --git a/Assets/Scripts/Editor/ContextMenu/LineRendererToLocalSpace.cs b/Assets/Scripts/Editor/ContextMenu/LineRendererToLocalSpace.cs
@@ -0,0 +1,60 @@
+﻿// converts line renderer points from world space to local space
+
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+
+namespace UnityLibrary.ContextMenu
+{
+    public static class LineRendererToLocalSpace
+    {
+        private const string MenuPath = "CONTEXT/LineRenderer/Convert Points To Local Space";
+
+        [MenuItem(MenuPath, true)]
+        private static bool Validate(MenuCommand command)
+        {
+            return command != null && command.context is LineRenderer;
+        }
+
+        [MenuItem(MenuPath)]
+        private static void Convert(MenuCommand command)
+        {
+            var lr = (LineRenderer)command.context;
+            if (lr == null) return;
+
+            int count = lr.positionCount;
+            if (count == 0) return;
+
+            Transform t = lr.transform;
+
+            Undo.RecordObject(lr, "Convert LineRenderer To Local Space");
+
+            // Get current positions in world space no matter what mode it's in.
+            Vector3[] world = new Vector3[count];
+            if (lr.useWorldSpace)
+            {
+                lr.GetPositions(world);
+            }
+            else
+            {
+                Vector3[] local = new Vector3[count];
+                lr.GetPositions(local);
+                for (int i = 0; i < count; i++)
+                    world[i] = t.TransformPoint(local[i]);
+            }
+
+            // Convert world -> local, switch mode, write back.
+            Vector3[] newLocal = new Vector3[count];
+            for (int i = 0; i < count; i++)
+                newLocal[i] = t.InverseTransformPoint(world[i]);
+
+            lr.useWorldSpace = false;
+            lr.SetPositions(newLocal);
+
+            EditorUtility.SetDirty(lr);
+
+            if (!Application.isPlaying)
+                EditorSceneManager.MarkSceneDirty(lr.gameObject.scene);
+        }
+    }
+}
diff --git a/Assets/Scripts/Editor/ContextMenu/LineRendererToWorldSpace.cs b/Assets/Scripts/Editor/ContextMenu/LineRendererToWorldSpace.cs
@@ -0,0 +1,54 @@
+﻿// converts LineRenderer points from local space to world space via context menu in Unity Editor
+
+using UnityEngine;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+
+namespace UnityLibrary.ContextMenu
+{
+    public static class LineRendererToWorldSpace
+    {
+        private const string MenuPath = "CONTEXT/LineRenderer/Convert Points To World Space";
+
+        [MenuItem(MenuPath, true)]
+        private static bool Validate(MenuCommand command)
+        {
+            return command != null && command.context is LineRenderer;
+        }
+
+        [MenuItem(MenuPath)]
+        private static void Convert(MenuCommand command)
+        {
+            var lr = (LineRenderer)command.context;
+            if (lr == null) return;
+
+            if (lr.useWorldSpace)
+            {
+                Debug.Log("LineRenderer is already using World Space.");
+                return;
+            }
+
+            int count = lr.positionCount;
+            if (count == 0) return;
+
+            Transform t = lr.transform;
+
+            Undo.RecordObject(lr, "Convert LineRenderer To World Space");
+
+            Vector3[] local = new Vector3[count];
+            lr.GetPositions(local);
+
+            Vector3[] world = new Vector3[count];
+            for (int i = 0; i < count; i++)
+                world[i] = t.TransformPoint(local[i]);
+
+            lr.useWorldSpace = true;
+            lr.SetPositions(world);
+
+            EditorUtility.SetDirty(lr);
+
+            if (!Application.isPlaying)
+                EditorSceneManager.MarkSceneDirty(lr.gameObject.scene);
+        }
+    }
+}
