Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Updated vsgcameras example to use mouse buttons 4/5 #249

Merged
merged 2 commits into from
Aug 21, 2023
Merged

Updated vsgcameras example to use mouse buttons 4/5 #249

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f934c19
Updated vsgcameras example so that the 'extra' mouse buttons (X1/X2 o…
lufriem Aug 21, 2023
892449b
Fixed reference positioning to be consistent with the rest of the VSG.
robertosfield Aug 21, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
73 changes: 52 additions & 21 deletions examples/app/vsgcameras/vsgcameras.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,29 @@ class CameraSelector : public vsg::Inherit<vsg::Visitor, CameraSelector>
vsg::ref_ptr<vsg::Camera> main_camera;
vsg::ref_ptr<vsg::LookAt> original_viewMatrix;
Cameras cameras;
int currentCameraIndex = 0;

void apply(vsg::ButtonPressEvent& buttonPress) override
{
if (cameras.empty()) return;

if (buttonPress.button == 4)
{
// next camera
currentCameraIndex++;
currentCameraIndex %= cameras.size();

selectCameraByIndex(currentCameraIndex);
}
else if (buttonPress.button == 5)
{
// previous camera
currentCameraIndex--;
currentCameraIndex %= cameras.size();

selectCameraByIndex(currentCameraIndex);
}
}

void apply(vsg::KeyPressEvent& keyPress) override
{
Expand All @@ -40,31 +63,39 @@ class CameraSelector : public vsg::Inherit<vsg::Visitor, CameraSelector>
}
else if ((keyPress.keyBase >= '1') && (keyPress.keyBase <= '9'))
{
uint16_t keyForCamera{'1'};
for(auto& [nodePath, camera] : cameras)
currentCameraIndex = keyPress.keyBase - '1';

selectCameraByIndex(currentCameraIndex);
}
}

private:
void selectCameraByIndex(int index)
{
int cameraIndex = 0;
for(auto& [nodePath, camera] : cameras)
{
if (cameraIndex == index)
{
if (keyForCamera == keyPress.keyBase)
auto begin = nodePath.begin();
auto end = nodePath.end();
if (begin != end) --end;

// auto matrix = vsg::computeTransform(nodePath);
auto matrix = vsg::visit<vsg::ComputeTransform>(begin, end).matrix;

std::cout<<"Matched: "<<camera->name<<" "<<matrix<<std::endl;

auto selected_lookAt = camera->viewMatrix.cast<vsg::LookAt>();
auto main_lookAt = main_camera->viewMatrix.cast<vsg::LookAt>();
if (main_lookAt)
{
auto begin = nodePath.begin();
auto end = nodePath.end();
if (begin != end) --end;

// auto matrix = vsg::computeTransform(nodePath);
auto matrix = vsg::visit<vsg::ComputeTransform>(begin, end).matrix;

std::cout<<"Matched: "<<camera->name<<" "<<matrix<<std::endl;

auto selected_lookAt = camera->viewMatrix.cast<vsg::LookAt>();
auto main_lookAt = main_camera->viewMatrix.cast<vsg::LookAt>();
if (main_lookAt)
{
*main_lookAt = *selected_lookAt;
main_lookAt->transform(matrix);
}
break;
*main_lookAt = *selected_lookAt;
main_lookAt->transform(matrix);
}
++keyForCamera;
break;
}
++cameraIndex;
}
}
};
Expand Down