void render(){
if(mesh()->n_faces() < 1) return;
Surface_mesh::Vertex_property<Point> points = mesh()->vertex_property<Point>(VPOINT);
Surface_mesh::Vertex_property<Point> vnormals = mesh()->vertex_property<Point>(VNORMAL);
// Deal with color
bool has_vertex_color = mesh()->has_vertex_property<Color>(VCOLOR);
Surface_mesh::Vertex_property<Color> vcolor;
if (has_vertex_color) vcolor = mesh()->get_vertex_property<Color>(VCOLOR);
// setup vertex arrays
gl::glVertexPointer(points.data());
gl::glNormalPointer(vnormals.data());
if(has_vertex_color)
gl::glColorPointer(vcolor.data());
glEnable(GL_LIGHTING);
glShadeModel(GL_SMOOTH);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
if(has_vertex_color) glEnableClientState(GL_COLOR_ARRAY);
if(triangles.size()) glDrawElements(GL_TRIANGLES, (GLsizei)triangles.size(), GL_UNSIGNED_INT, &triangles[0]);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
void Scene::updateVBOs()
{
QSegMesh * mesh = activeObject();
if(mesh && mesh->isReady)
{
// Create VBO for each segment if needed
for (int i=0;i<(int)mesh->nbSegments();i++)
{
QSurfaceMesh* seg = mesh->getSegment(i);
QString objId = seg->objectName();
if (VBO::isVBOSupported() && !vboCollection.contains(objId))
{
Surface_mesh::Vertex_property<Point> points = seg->vertex_property<Point>("v:point");
Surface_mesh::Vertex_property<Point> vnormals = seg->vertex_property<Point>("v:normal");
Surface_mesh::Vertex_property<Color> vcolors = seg->vertex_property<Color>("v:color");
seg->fillTrianglesList();
// Create VBO
vboCollection[objId] = VBO( seg->n_vertices(), points.data(), vnormals.data(), vcolors.data(), seg->triangles );
}
}
}
}
void render_wire(){
glLineWidth(1.0);
glColor3f(.3f,.3f,.3f);
Surface_mesh::Vertex_property<Point> points = mesh()->vertex_property<Point>("v:point");
gl::glVertexPointer(points.data());
glEnableClientState(GL_VERTEX_ARRAY);
/// Render
glDisable(GL_LIGHTING);
glColor3f(0.0, 0.0, 0.0);
glDepthRange(0.0, 1.0);
glDepthFunc(GL_LEQUAL);
if(edges.size()) glDrawElements(GL_LINES, (GLsizei)edges.size(), GL_UNSIGNED_INT, &edges[0]);
glDepthFunc(GL_LESS);
}
void render(){
glDisable(GL_LIGHTING);
/// @todo Much faster but does not support color...YET
#ifdef TODO_WIREFRAME_VBUFFER
/// Setup Vertex Array
Surface_mesh::Vertex_property<Point> points = mesh()->vertex_property<Point>("v:point");
gl::glVertexPointer(points.data());
glEnableClientState(GL_VERTEX_ARRAY);
/// Render
glColor3f(0.0, 0.0, 0.0);
glDepthRange(0.0, 1.0);
glDepthFunc(GL_LEQUAL);
if(edges.size()) glDrawElements(GL_LINES, (GLsizei)edges.size(), GL_UNSIGNED_INT, &edges[0]);
glDepthFunc(GL_LESS);
#else
Surface_mesh::Vertex_property<Point> points = mesh()->vertex_property<Point>("v:point");
Surface_mesh::Edge_property<Color> ecolor = mesh()->get_edge_property<Color>("e:color");
bool has_edge_color = mesh()->has_edge_property<Color>("e:color");
glBegin(GL_LINES);
Surface_mesh::Edge_iterator eit, eend=mesh()->edges_end();
for (eit=mesh()->edges_begin(); eit!=eend; ++eit){
Surface_mesh::Edge e = eit;
Surface_mesh::Vertex v0 = mesh()->vertex(eit,0);
Surface_mesh::Vertex v1 = mesh()->vertex(eit,1);
if(has_edge_color)
gl::glColor(ecolor[eit]); ///< Apply color
else
gl::glColor(Color(0,0,0));
gl::glVertex(points[v0]);
gl::glVertex(points[v1]);
}
glEnd();
#endif
glEnable(GL_LIGHTING);
}