void drawEdges(CGAL::Three::Viewer_interface* viewer) const
{
vaos[Lines]->bind();
program = getShaderProgram(PROGRAM_NO_SELECTION);
attribBuffers(viewer, PROGRAM_NO_SELECTION);
program->bind();
program->setAttributeValue("colors", QColor(Qt::black));
viewer->glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(edges->size() / 3));
program->release();
vaos[Lines]->release();
}
//Displays the item
void draw(CGAL::Three::Viewer_interface* viewer) const
{
vaos[Facets]->bind();
program = getShaderProgram(PROGRAM_WITH_LIGHT);
attribBuffers(viewer, PROGRAM_WITH_LIGHT);
program->bind();
// positions_poly is also used for the faces in the cut plane
// and changes when the cut plane is moved
viewer->glDrawArrays(GL_TRIANGLES, 0, static_cast<GLsizei>(vertices->size() / 3));
program->release();
vaos[Facets]->release();
}
// Wireframe OpenGL drawing
void
Scene_polylines_item::drawEdges(CGAL::Three::Viewer_interface* viewer) const {
if(!are_buffers_filled)
{
computeElements();
initializeBuffers(viewer);
}
vaos[Edges]->bind();
attribBuffers(viewer, PROGRAM_NO_SELECTION);
QOpenGLShaderProgram *program = getShaderProgram(PROGRAM_NO_SELECTION);
program->bind();
program->setAttributeValue("colors", this->color());
viewer->glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(nb_lines/4));
program->release();
vaos[Edges]->release();
if(d->draw_extremities)
{
Scene_group_item::drawEdges(viewer);
}
}
