void Palette::updateColour() {
QColor newColour = QColor( sliderRed->value(), sliderGreen->value(), sliderBlue->value(), sliderAlpha->value() );
editor->updateColour(currentColour(), newColour);
}
//----------------------------------------------------------------------------------------------------------------------
ImportMesh::ImportMesh(std::string _loc){
OpenMesh::IO::Options ropt;
if ( ! OpenMesh::IO::read_mesh(m_mesh, _loc,ropt))
{
std::cerr << "Error loading mesh from file " << _loc << std::endl;
}
//check to see if Open mesh has behaved and imported useful things
bool hasNormals = ropt.check(OpenMesh::IO::Options::VertexNormal);
bool hasTexCoords = ropt.check(OpenMesh::IO::Options::VertexTexCoord);
bool hasColors = ropt.check(OpenMesh::IO::Options::VertexColor);
//if not let dynamically add it, not much we can do about texture coords sadly :(
//need colors though as we are going to use them to store our weights!
if(!hasNormals) m_mesh.request_vertex_normals();
if(!hasColors) m_mesh.request_vertex_colors();
std::cout << "imported VertexNormal" << ( hasNormals ? ": yes\n":": no\n");
std::cout << "provides VertexTexCoord" << ( hasTexCoords ? ": yes\n":": no\n");
// mesh structure
(m_mesh.is_trimesh()) ? std::cout<<"It's triangulated wooo!"<<std::endl :std::cout<<"Triangluate this fool!"<<std::endl;
// mesh stats
std::cout << "# Vertices: " << m_mesh.n_vertices() << std::endl;
std::cout << "# Edges : " << m_mesh.n_edges() << std::endl;
std::cout << "# Faces : " << m_mesh.n_faces() << std::endl;
// mesh capabilities
std::cout << "Mesh supports\n";
std::cout<<"vertex normals: ";(m_mesh.has_vertex_normals()) ? std::cout<<"true"<<std::endl : std::cout<<"false"<<std::endl;
std::cout<<"vertex colors: ";(m_mesh.has_vertex_colors()) ? std::cout<<"true"<<std::endl : std::cout<<"false"<<std::endl;
std::cout<<"vertex texcoords: ";(m_mesh.has_vertex_texcoords2D()) ? std::cout<<"true"<<std::endl : std::cout<<"false"<<std::endl;
std::cout<<"face normals: ";(m_mesh.has_face_normals()) ? std::cout<<"true"<<std::endl : std::cout<<"false"<<std::endl;
std::cout<<"face colors: ";(m_mesh.has_face_colors()) ? std::cout<<"true"<<std::endl : std::cout<<"false"<<std::endl;
// put our verticies into our VBO
MyMesh::Point currentPoint;
MyMesh::Normal currentNormal;
MyMesh::Color currentColour(1.0,1.0,0.0);
std::vector<ngl::Vec3> normals;
std::vector<ngl::Vec3> colors;
std::vector<ngl::Vec3> positions;
ngl::Vec3 e1,e2,fn;
//iterate over all faces
for(MyMesh::FaceIter f_it=m_mesh.faces_begin(); f_it!=m_mesh.faces_end(); ++f_it){
// iterate over every vertex in the face
for(MyMesh::FaceVertexIter fv_it=m_mesh.fv_iter(*f_it); fv_it.is_valid(); ++fv_it){
currentPoint = m_mesh.point(*fv_it);
positions.push_back(ngl::Vec3(currentPoint[0],currentPoint[1],currentPoint[2]));
//initialize all our colors aswell
m_mesh.set_color(*fv_it,currentColour);
colors.push_back(ngl::Vec3(currentColour[0],currentColour[1],currentColour[2]));
//if open mesh is being nice and it has normals lets push them back
if(hasNormals){
currentNormal = m_mesh.normal(*fv_it);
normals.push_back(ngl::Vec3(currentNormal[0],currentNormal[1],currentNormal[2]));
}
}
// If open mesh is not being nice and importing normals lets give it some face normals
if(!hasNormals){
e1 = positions[positions.size()-2] - positions[positions.size()-1];
e2 = positions[positions.size()-3] - positions[positions.size()-1];
fn.cross(e2,e1);
normals.push_back(fn);
normals.push_back(fn);
normals.push_back(fn);
currentNormal[0] = (float)fn.m_x;
currentNormal[1] = (float)fn.m_y;
currentNormal[2] = (float)fn.m_z;
// stick this information into our half edge structure aswell
for(MyMesh::FaceVertexIter fv_it=m_mesh.fv_iter(*f_it); fv_it.is_valid(); ++fv_it){
m_mesh.set_normal(*fv_it,currentNormal);
}
}
}
//push the data into our vbo
std::vector<ngl::Vec3> meshVBO;
for(unsigned int i=0; i<positions.size();i++){
meshVBO.push_back(positions[i]);
meshVBO.push_back(normals[i]);
meshVBO.push_back(colors[i]);
}
//add our data to our VAO
m_VAO = ngl::VertexArrayObject::createVOA(GL_TRIANGLES);
m_VAO->bind();
m_VAO->setData(meshVBO.size()*sizeof(ngl::Vec3), meshVBO[0].m_x);
//set up our attribute pointer
m_VAO->setVertexAttributePointer(0,3,GL_FLOAT,sizeof(ngl::Vec3)*3,0);
m_VAO->setVertexAttributePointer(1,3,GL_FLOAT,sizeof(ngl::Vec3)*3,3);
m_VAO->setVertexAttributePointer(2,3,GL_FLOAT,sizeof(ngl::Vec3)*3,6);
//set our indices
m_VAO->setNumIndices(positions.size());
//set our VAO free into the wild
m_VAO->unbind();
// now lets fill up our array of actual verticies for use with our selectables
for(MyMesh::VertexIter v_it=m_mesh.vertices_begin(); v_it!=m_mesh.vertices_end();++v_it){
currentPoint = m_mesh.point(*v_it);
m_vertPositions.push_back(ngl::Vec3(currentPoint[0],currentPoint[1],currentPoint[2]));
}
}
void Palette::colourSwatchClicked() {
editor->changeColour(currentColour());
}
