From 7e6c315a09c5839e92ded6b9ce67e2cfa09febca Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert.osfield@gmail.com>
Date: Fri, 15 Nov 2024 11:57:38 +0000
Subject: [PATCH] Fixed the LookAt handling of offset and origin.

---
 src/vsg/app/ViewMatrix.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/vsg/app/ViewMatrix.cpp b/src/vsg/app/ViewMatrix.cpp
index 5df8c3b43..121336fc5 100644
--- a/src/vsg/app/ViewMatrix.cpp
+++ b/src/vsg/app/ViewMatrix.cpp
@@ -50,7 +50,8 @@ void LookAt::set(const dmat4& matrix)
 
 dmat4 LookAt::transform(const vsg::dvec3& offset) const
 {
-    return lookAt(eye, center, up) * vsg::translate(offset-origin);
+    dvec3 delta = origin - offset;
+    return lookAt(eye + delta, center + delta, up);
 }
 
 dmat4 RelativeViewMatrix::transform(const vsg::dvec3& offset) const