From 7aac171d5814cd445155f427f39e58389a67826b Mon Sep 17 00:00:00 2001
From: Vincent Fretin <vincent.fretin@gmail.com>
Date: Thu, 23 May 2024 11:16:52 +0200
Subject: [PATCH] Keep the camera position when switching to inspector (fix
 #607)

---
 src/lib/cameras.js  | 6 ++++++
 src/lib/viewport.js | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/src/lib/cameras.js b/src/lib/cameras.js
index acda47c9..d56be36e 100644
--- a/src/lib/cameras.js
+++ b/src/lib/cameras.js
@@ -119,3 +119,9 @@ function setOrthoCamera(camera, dir, ratio) {
   camera.position.copy(info.position);
   camera.rotation.copy(info.rotation);
 }
+
+export function copyCameraPosition(sourceCamera, targetCamera) {
+  sourceCamera.getWorldPosition(targetCamera.position);
+  sourceCamera.getWorldQuaternion(targetCamera.quaternion);
+  targetCamera.updateMatrixWorld();
+}
diff --git a/src/lib/viewport.js b/src/lib/viewport.js
index 451b8eb5..3eb80c8c 100644
--- a/src/lib/viewport.js
+++ b/src/lib/viewport.js
@@ -2,6 +2,7 @@
 import TransformControls from './TransformControls.js';
 import EditorControls from './EditorControls.js';
 
+import { copyCameraPosition } from './cameras';
 import { initRaycaster } from './raycaster';
 import Events from './Events';
 
@@ -225,6 +226,10 @@ export function Viewport(inspector) {
         .forEach((element) => {
           element.style.display = 'none';
         });
+      copyCameraPosition(
+        inspector.cameras.original.object3D,
+        inspector.cameras.perspective
+      );
     } else {
       disableControls();
       inspector.cameras.original.setAttribute('camera', 'active', 'true');