kindred/create
1
1
Fork 0
Code Issues 37 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

Gui: Perspective camera set focal distance to rotation center depth to fix zooming at new rotation center

Browse Source
This commit is contained in:
Bas Ruigrok
2025-08-16 11:22:47 +02:00
committed by Chris Hennes
parent 60cb0d9d8b
commit 21d0e8af5f
1 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/Gui/Navigation/NavigationStyle.cpp
View File

@@ -1026,6 +1026,20 @@ void NavigationStyle::setRotationCenter(const SbVec3f& cnt)
{
this->rotationCenter = cnt;
this->rotationCenterFound = true;
const auto camera = getCamera();
if (camera->isOfType(SoPerspectiveCamera::getClassTypeId())) {
SbVec3f direction;
camera->orientation.getValue().multVec(SbVec3f(0, 0, -1), direction);
// Calculate distance from camera to rotation center
const auto rotationCenterDistance = rotationCenter - camera->position.getValue();
const auto rotationCenterDepth = rotationCenterDistance.dot(direction);
// Set focal distance to match rotation center depth so we can zoom at the new rotation
// center with a perspective camera
camera->focalDistance.setValue(rotationCenterDepth);
}
}
SbVec3f NavigationStyle::getFocalPoint() const