void getCellMesh(voro::voronoicell &_c, ofPoint _pos, ofVboMesh& _mesh, bool bWireframe){
if( _c.p ) {
if( !bWireframe ) {
// Extract Verteces
//
ofVboMesh mesh;
mesh.setMode(OF_PRIMITIVE_TRIANGLES );
mesh.addVertices(getCellVerteces(_c, _pos));
// Add triangles using Indeces
//
int k,l,m,n;
for(int i = 1; i < _c.p; i++){
for(int j = 0; j < _c.nu[i]; j++) {
k = _c.ed[i][j];
if( k >= 0 ) {
_c.ed[i][j]=-1-k;
l = _c.cycle_up( _c.ed[i][ _c.nu[i]+j], k);
m = _c.ed[k][l];
_c.ed[k][l]=-1-m;
while(m!=i) {
n = _c.cycle_up( _c.ed[k][ _c.nu[k]+l],m);
mesh.addTriangle(i, k, m);
k=m;
l=n;
m=_c.ed[k][l];
_c.ed[k][l]=-1-m;
}
}
}
}
// Calculate Normals
//
_mesh.setMode(OF_PRIMITIVE_TRIANGLES);
vector<ofMeshFace> faces = mesh.getUniqueFaces();
for (int i = 0; i < faces.size(); i++) {
ofMeshFace face = faces[i];
ofPoint a = face.getVertex(0);
ofPoint b = face.getVertex(1);
ofPoint c = face.getVertex(2);
ofPoint normal = ((b - a).cross(c - a)).normalize() * -1.;
_mesh.addVertex(a);
_mesh.addNormal(normal);
_mesh.addVertex(b);
_mesh.addNormal(normal);
_mesh.addVertex(c);
_mesh.addNormal(normal);
// add texture coordinates
if( i % 2 == 0) {
_mesh.addTexCoord(ofVec2f(0.0, 0.0));
_mesh.addTexCoord(ofVec2f(0.0, 1.0));
_mesh.addTexCoord(ofVec2f(1.0, 0.0));
} else {
_mesh.addTexCoord(ofVec2f(1.0, 0.0));
_mesh.addTexCoord(ofVec2f(0.0, 1.0));
_mesh.addTexCoord(ofVec2f(1.0, 1.0));
}
}
} else { // wireframe
_mesh.setMode(OF_PRIMITIVE_LINES);
_mesh.addVertices(getCellVerteces(_c, _pos));
for(int i = 1; i < _c.p; i++){
for(int j = 0; j < _c.nu[i]; j++) {
int k = _c.ed[i][j];
if( k >= 0 ) {
_mesh.addIndex(i);
_mesh.addIndex(k);
}
}
}
}
}
}
//--------------------------------------------------------------
void ofApp::draw(){
delauMesh.setMode(OF_PRIMITIVE_TRIANGLES);
delauMesh.draw();
}