Camera orbit fix (#3963)

* Fix for camera look-at and position being the same when calculating orbit point Signed-off-by: hultonha <hultonha@amazon.co.uk> * add unit test to verify camera orbit behavior Signed-off-by: hultonha <hultonha@amazon.co.uk>
2021-09-08 13:37:06 +01:00
parent 5c4ce8cd06
commit 6863e9cf9e
2 changed files with 56 additions and 21 deletions
@@ -588,6 +588,12 @@ namespace AzFramework
                    // pass through the camera's position and look vector for use in the lookAt function
                    if (const auto lookAt = lookAtFn(targetCamera.Translation(), targetCamera.Rotation().GetBasisY()))
                    {
+                        // default to internal look at behavior if the look at point matches the camera translation
+                        if (targetCamera.m_lookAt.IsClose(*lookAt))
+                        {
+                            return false;
+                        }
+
                        auto transform = AZ::Transform::CreateLookAt(targetCamera.m_lookAt, *lookAt);
                        nextCamera.m_lookDist = -lookAt->GetDistance(targetCamera.m_lookAt);
                        UpdateCameraFromTransform(nextCamera, transform);