void Camera::handleCursorMoveEvent(window::CursorMoveEvent e) {
if (dragging)
{
// vec2f offset = (dragPosition - e.location).array() * dragSensitivity.array();
vec2f offset = dragPosition - e.location;
offset = offset.array() * dragSensitivity.array();
dragPosition = e.location;
rotateAroundTarget(quat4f(
Eigen::AngleAxisf(-offset.y(), vec3f::UnitX())
* Eigen::AngleAxisf(-offset.x(), vec3f::UnitY())
));
}
}
void AutoBlend::init()
{
// Add widget
auto toolsWidgetContainer = new QWidget();
widget = new Ui::AutoBlendWidget();
widget->setupUi(toolsWidgetContainer);
widgetProxy = new QGraphicsProxyWidget(this);
widgetProxy->setWidget(toolsWidgetContainer);
// Place at bottom left corner
auto delta = widgetProxy->sceneBoundingRect().bottomLeft() -
scene()->views().front()->rect().bottomLeft();
widgetProxy->moveBy(-delta.x(), -delta.y());
// Fill categories box
{
for(auto cat : document->categories.keys()){
widget->categoriesBox->insertItem(widget->categoriesBox->count(), cat);
}
int idx = widget->categoriesBox->findText(document->categoryOf(document->firstModelName()));
widget->categoriesBox->setCurrentIndex(idx);
}
// Create gallery of shapes
gallery = new Gallery(this, QRectF(0,0,this->bounds.width(), 220));
// Create container that holds results
results = new Gallery(this, QRectF(0,0, this->bounds.width(),
bounds.height() - gallery->boundingRect().height()),
QRectF(0,0,256,256), true);
results->moveBy(0, gallery->boundingRect().height());
// Gallery on top of results
gallery->setZValue(results->zValue() + 10);
auto dropShadow = new QGraphicsDropShadowEffect();
dropShadow->setOffset(0, 5);
dropShadow->setColor(QColor(0, 0, 0, 150));
dropShadow->setBlurRadius(10);
gallery->setGraphicsEffect(dropShadow);
// Connect UI with actions
{
connect(widget->categoriesBox, &QComboBox::currentTextChanged, [&](QString text){
document->currentCategory = text;
});
connect(widget->analyzeButton, &QPushButton::pressed, [&](){
document->computePairwise(widget->categoriesBox->currentText());
});
// Default view angle
{
// Camera target and initial position
auto camera = new Eigen::Camera();
auto frame = camera->frame();
frame.position = Eigen::Vector3f(-1, 0, 0.5);
camera->setTarget(Eigen::Vector3f(0, 0, 0.5));
camera->setFrame(frame);
int deltaZoom = document->extent().length() * 1.0;
// Default view angle
double theta1 = acos(-1) * 0.75;
double theta2 = acos(-1) * 0.10;
camera->rotateAroundTarget(Eigen::Quaternionf(Eigen::AngleAxisf(theta1, Eigen::Vector3f::UnitY())));
camera->zoom(-(4+deltaZoom));
camera->rotateAroundTarget(Eigen::Quaternionf(Eigen::AngleAxisf(theta2, Eigen::Vector3f::UnitX())));
auto cp = camera->position();
cameraPos = QVector3D(cp[0], cp[1], cp[2]);
// Camera settings
camera->setViewport(128, 128);
Eigen::Matrix4f p = camera->projectionMatrix();
Eigen::Matrix4f v = camera->viewMatrix().matrix();
p.transposeInPlace();
v.transposeInPlace();
cameraMatrix = QMatrix4x4(p.data()) * QMatrix4x4(v.data());
}
connect(document, &Document::categoryAnalysisDone, [=](){
if (gallery == nullptr) return;
// Fill gallery
gallery->clearThumbnails();
auto catModels = document->categories[document->currentCategory].toStringList();
for (auto targetName : catModels)
{
auto targetModel = document->cacheModel(targetName);
auto t = gallery->addTextItem(targetName);
QVariantMap data = t->data;
data["targetName"].setValue(targetName);
t->setData(data);
t->setCamera(cameraPos, cameraMatrix);
t->setFlag(QGraphicsItem::ItemIsSelectable);
// Add parts of target shape
for (auto n : targetModel->nodes){
t->addAuxMesh(toBasicMesh(targetModel->getMesh(n->id), n->vis_property["color"].value<QColor>()));
}
scene()->update(t->sceneBoundingRect());
}
scene()->update(this->sceneBoundingRect());
QTimer::singleShot(500, [=]{ gallery->update(); });
});
// Do blend
connect(widget->blendButton, SIGNAL(pressed()), SLOT(doBlend()));
}
}
// TODO: switch camera to using a physics/velocity model
// so that interactions are consistent.
// the current method could be unstable to framerate
// and event processing speeds.
void Camera::handleKeyEvent(window::KeyEvent e) {
if (e.action == window::action::PRESSED || e.action == window::action::REPEAT)
{
switch (e.key)
{
default:
break;
// zoom = move forward/back
case window::key::W:
zoom(0.2f);
break;
case window::key::S:
zoom(-0.2f);
break;
// move (slide)
case window::key::C:
localTranslate({0, -0.2f, 0});
break;
case window::key::E:
localTranslate({0, 0.2f, 0});
break;
case window::key::A:
localTranslate({-0.2f,0,0});
break;
case window::key::D:
localTranslate({0.2f,0,0});
break;
// look around
case window::key::I:
if (e.mods == window::mods::SHIFT)
rotateAroundTarget(quat4f(Eigen::AngleAxisf(0.1f, vec3f::UnitX())));
else localRotate(quat4f(Eigen::AngleAxisf(0.1f, vec3f::UnitX())));
break;
case window::key::J:
if (e.mods == window::mods::SHIFT)
rotateAroundTarget(quat4f(Eigen::AngleAxisf(0.1f, vec3f::UnitY())));
else localRotate(quat4f(Eigen::AngleAxisf(0.1f, vec3f::UnitY())));
break;
case window::key::K:
if (e.mods == window::mods::SHIFT)
rotateAroundTarget(quat4f(Eigen::AngleAxisf(-0.1f, vec3f::UnitX())));
else localRotate(quat4f(Eigen::AngleAxisf(-0.1f, vec3f::UnitX())));
break;
case window::key::L:
if (e.mods == window::mods::SHIFT)
rotateAroundTarget(quat4f(Eigen::AngleAxisf(-0.1f, vec3f::UnitY())));
else localRotate(quat4f(Eigen::AngleAxisf(-0.1f, vec3f::UnitY())));
break;
// rolling
case window::key::U:
localRotate(quat4f(Eigen::AngleAxisf(0.1f, vec3f::UnitZ())));
break;
case window::key::O:
localRotate(quat4f(Eigen::AngleAxisf(-0.1f, vec3f::UnitZ())));
break;
}
}
}
