void Viewer::mouseMoveEvent(QMouseEvent* event) {
// So, while moving... update the top of the stack.
int dx = event->x() - lastMouseX;
// Y coordinates on screen are upside down
int dy = lastMouseY - event->y();
auto buttons = event->buttons();
if (currentMode == Viewer::Mode::POSITION) {
// Position mode
// Left mouse button drags puppet
if (buttons & Qt::LeftButton) {
puppetPosition.translate(TRANSLATE_FACTOR * dx, TRANSLATE_FACTOR * dy, 0);
}
// Middle button translates puppet in Z
if (buttons & Qt::MiddleButton) {
puppetPosition.translate(0, 0, TRANSLATE_FACTOR * -dy);
}
// Right button rotates puppet according to some horrible trackball stuff
if (buttons & Qt::RightButton) {
QVector2D lastMouse(lastMouseX, lastMouseY);
QVector2D newMouse(event->x(), event->y());
trackballRotate(lastMouse, newMouse, &puppetRotation);
}
update();
}
// Joints mode
// Take action if we are holdin' it down and have picked something
else if ((buttons & (Qt::MiddleButton|Qt::RightButton)) && pickedIds.size()) {
// Middle button is for x-axis rotation (most limbs)
auto xAngle = (buttons & Qt::MiddleButton) ? -dy * ROTATE_FACTOR : 0;
// Right button is for y-axis rotation (head turning)
auto yAngle = (buttons & Qt::RightButton) ? dx * ROTATE_FACTOR : 0;
auto& stackEntry = opStack[opStackPosition];
for (int id : pickedIds) {
// X: Enforce limits
auto& xJoint = jointMap[id]->xJoint;
auto newAngle = stackEntry[id].xAngle + xAngle;
newAngle = std::min(xJoint.max, std::max(xJoint.min, newAngle));
stackEntry[id].xAngle = newAngle;
// Y: Enforce limits
auto& yJoint = jointMap[id]->yJoint;
newAngle = stackEntry[id].yAngle + yAngle;
newAngle = std::min(yJoint.max, std::max(yJoint.min, newAngle));
stackEntry[id].yAngle = newAngle;
}
updateFromStackTop();
update();
}
// Store mouse location again
lastMouseX = event->x();
lastMouseY = event->y();
}
void Z3DTrackballInteractionHandler::mouseMoveEvent(QMouseEvent *e, int w, int h)
{
e->ignore();
glm::ivec2 newMouse(e->x(), h- e->y());
if (m_state == ROTATE) {
rotate(m_lastMousePosition, newMouse, w, h);
e->accept();
} else if (m_state == SHIFT) {
shift(m_lastMousePosition, newMouse, w, h);
e->accept();
} else if (m_state == ROLL) {
roll(m_lastMousePosition, newMouse, w, h);
e->accept();
}
m_lastMousePosition = newMouse;
}
Mouse* getMouse() {
if (!mouse)
newMouse();
return mouse;
}
