bool Render::on_motion_notify_event(GdkEventMotion* event)
{
bool redraw=true;
Vector2f dragp(event->x, event->y);
Vector2f delta = m_downPoint - dragp;
double factor = 0.3;
Vector3d delta3f(-delta.x*factor, delta.y*factor, 0);
get_model()->setMeasuresPoint(Vector2d((10.+event->x)/(get_width()-20),
(10.+get_height()-event->y)/(get_height()-20)));
if (event->state & GDK_BUTTON1_MASK) { // move or rotate
if (event->state & GDK_SHIFT_MASK) { // move object
if (false);//delta3f.x<1 && delta3f.y<1) redraw=false;
else {
Shape *shape;
TreeObject *object;
if (!m_view->get_selected_stl(object, shape))
return true;
if (!object && !shape)
return true;
Transform3D *transf;
if (!shape)
transf = &object->transform3D;
else
transf = &shape->transform3D;
transf->move(delta3f);
m_downPoint = dragp;
//m_view->get_model()->CalcBoundingBoxAndCenter();
}
}
else { // rotate
m_arcBall->dragAccumulate(event->x, event->y, &m_transform);
}
if (redraw) queue_draw();
return true;
}
else {
if (event->state & GDK_BUTTON2_MASK) { // zoom
double factor = 1.0 + 0.01 * (delta.x - delta.y);
m_zoom *= factor;
}
else if (event->state & GDK_BUTTON3_MASK) { // pan
Matrix4f matrix;
memcpy(&matrix.m00, &m_transform.M[0], sizeof(Matrix4f));
Vector3f m_transl = matrix.getTranslation();
m_transl += delta3f;
matrix.setTranslation(m_transl);
memcpy(&m_transform.M[0], &matrix.m00, sizeof(Matrix4f));
}
m_downPoint = dragp;
if (redraw) queue_draw();
return true;
}
return Gtk::DrawingArea::on_motion_notify_event (event);
}
void Model::PlaceOnPlatform(Shape *shape, TreeObject *object)
{
if (shape)
shape->PlaceOnPlatform();
else if(object) {
Transform3D * transf = &object->transform3D;
transf->move(Vector3f(0, 0, -transf->getTranslation().z()));
for (uint s = 0;s<object->shapes.size(); s++) {
object->shapes[s]->PlaceOnPlatform();
}
}
else return;
ModelChanged();
}