private Mesh <TVertex> toMesh <TVertex>(Mesh <TVertex> .Builder builder, IVertexAdder vertexAdder)
where TVertex : struct
{
foreach (var face in this.faces)
{
addFaceToMeshBuilder(face, vertexAdder, builder);
}
return(builder.Build());
}
public override void MouseClick(object obj, MouseEventArgs e)
{
for (int i = _shapes.Count - 1; i >= 0; --i)
{
if (_shapes[i] is Polygon)
{
IVertexAdder polygonAdder = (_shapes[i] as Polygon).GetVertexAdder();
if (polygonAdder.AddVertexClickedBy(e.Location))
{
this.UpdateCanvas();
break;
}
}
}
}
private static void addFaceToMeshBuilder <TVertex>(Face face,
IVertexAdder mergedVertices, Mesh <TVertex> .Builder builder)
where TVertex : struct
{
var vId0 = mergedVertices[face.Ids[0]];
var vId1 = mergedVertices[face.Ids[1]];
for (int i = 2; i < face.Ids.Length; i++)
{
var vId2 = mergedVertices[face.Ids[i]];
builder.AddTriangle(
new IndexTriangle(vId0, vId1, vId2)
);
vId1 = vId2;
}
}
