Esempio n. 1
0
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);
}
Esempio n. 2
0
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();
}