/** Closes a polyline by triangulating all it's vertices with it's baricenter, visualizing it as a polygon FROM INSIDE**/
public void closePolyline(Polyline poly)
{
/*Vertex baricenter = new Vertex ();
* baricenter.setPosition (poly.calculateBaricenter ());
* baricenter.setUV (poly.calculateBaricenterUV());
* int baricenterIndex = getNumVertices();
* addVertex (baricenter);
* addHoleIndex (baricenterIndex);//Special case when closing after a hole, helps to disimulate triangulation
* for (int i = 0; i < poly.getSize(); ++i) {
* //Left-hand!!
* addTriangle(poly.getVertex (i).getIndex(), poly.getVertex (i + 1).getIndex(), baricenterIndex);
* }*/
Polyline closePoly = new Polyline(poly.getSize());
Vector3 baricenterPos = poly.calculateBaricenter();
float baricenterUVY = poly.getVertex(0).getUV().y + (poly.computeRadius() / AbstractGenerator.UVfactor); //Same y for all by construction
for (int i = 0; i < poly.getSize(); ++i) //Generate the new vertices
//Add vertex to polyline
{
closePoly.getVertex(i).setPosition(baricenterPos);
//Add the index to vertex
closePoly.getVertex(i).setIndex(getNumVertices() + i);
//Add UV
closePoly.getVertex(i).setUV(new Vector2(poly.getVertex(i).getUV().x, baricenterUVY));
//addHoleIndex (getNumVertices () + i);
}
addPolyline(closePoly);
triangulatePolylines(poly, closePoly); //Could improve this to generate the half number of triangles, due to closePoly has vertices on same position
}
/** Closes a polyline by triangulating all it's vertices with it's baricenter, visualizing it as a polygon FROM OUTSIDE**/
public void closePolylineOutside(Polyline poly)
{
Vertex baricenter = new Vertex();
baricenter.setPosition(poly.calculateBaricenter());
baricenter.setUV(poly.calculateBaricenterUV());
int baricenterIndex = getNumVertices();
addVertex(baricenter);
//addHoleIndex (baricenterIndex); //Special case when closing after a hole, helps to disimulate triangulation
for (int i = 0; i < poly.getSize(); ++i)
{
//Left-hand!!
addTriangle(poly.getVertex(i + 1).getIndex(), poly.getVertex(i).getIndex(), baricenterIndex);
}
}