kindred/create
1
1
Fork 0
Code Issues 53 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

Gui: Improve orthographic camera rotation stability

Browse Source
This commit is contained in:
Bas Ruigrok
2025-06-05 18:35:30 +02:00
committed by Kacper Donat
parent b8c08a7ec8
commit ff516f0a2b
1 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/Gui/Navigation/NavigationStyle.cpp
View File

@@ -700,6 +700,19 @@ void NavigationStyle::reorientCamera(SoCamera* camera, const SbRotation& rotatio
// Reposition camera so the rotation center stays in the same place
camera->position = rotationCenter + newRotationCenterDistance;
if (camera->getTypeId().isDerivedFrom(SoOrthographicCamera::getClassTypeId())) {
// Adjust the camera position to keep the focal point in the same place while making sure
// the focal distance stays small. This increases rotation stability for small and large
// scenes
SbVec3f direction;
camera->orientation.getValue().multVec(SbVec3f(0, 0, -1), direction);
constexpr float orthographicFocalDistance = 1;
camera->position = getFocalPoint() - orthographicFocalDistance * direction;
camera->focalDistance = orthographicFocalDistance;
}
#if (COIN_MAJOR_VERSION * 100 + COIN_MINOR_VERSION * 10 + COIN_MICRO_VERSION < 403)
// Fix issue with near clipping in orthogonal view
if (camera->getTypeId().isDerivedFrom(SoOrthographicCamera::getClassTypeId())) {