public void Mesh_TestJoinFaces()
{
// We make two triangles, and join the middle edge
//
// v1 o--------o v4
// | \ |
// | \ f2 |
// | \ |
// | \ |
// | f1 \ |
// | \ |
// | \|
// v2 o--------o v3
var vt1 = "v1";
var vt2 = "v2";
var vt3 = "v3";
var vt4 = "v4";
var vt5 = "v5";
var vt6 = "v6";
var vt7 = "v7";
var vt8 = "v8";
var mesh = new StringMesh();
StringMesh.Face f1 = mesh.CreateTriangle(vt1, vt2, vt3);
StringMesh.Vertex v1 = f1.Vertices.First(v => v.Traits == vt1);
StringMesh.Vertex v3 = f1.Vertices.First(v => v.Traits == vt3);
StringMesh.Face f2 = mesh.CreateTriangle(v1, v3, vt4);
Assert.AreEqual(2, mesh.Faces.Count);
Assert.AreEqual(5, mesh.Edges.Count);
Assert.AreEqual(4, mesh.Vertices.Count);
mesh.JoinFaces(v3.HalfedgeTo(v1));
Assert.AreEqual(1, mesh.Faces.Count);
Assert.AreEqual(4, mesh.Edges.Count);
Assert.AreEqual(4, mesh.Vertices.Count);
}
