//
// Warning : reccursive method
// If depth is too high, it will not work since a Mesh is limited to 65535 vertices
//
void Branch(PointList points, MeshBuilder builder, int depth)
{
if (depth == 0)
{
builder.Cap(points);
return;
}
List <PointList> list = points.Divide(2, 1);
Vector3 n0 = list [0].ComputeNormal();
Vector3 t0 = list [0] [1] - list [0] [0];
Vector3 e0 = 0.5f * n0.normalized - 0.15f * t0.normalized;
PointList points0 = list [0].Extrude(list [0].ComputeBarycenter(), e0, e0).Scale(0.8f);
builder.Cap(list [0].Bridge(points0, PointList.BridgeMode.CloseReuse));
Branch(points0.Shift(), builder, depth - 1);
Vector3 n1 = list [1].ComputeNormal();
Vector3 t1 = list [1] [1] - list [1] [0];
Vector3 e1 = 0.5f * n1.normalized + 0.15f * t1.normalized;
PointList points1 = list [1].Extrude(list [1].ComputeBarycenter(), e1, e1).Scale(0.8f);
builder.Cap(list [1].Bridge(points1, PointList.BridgeMode.CloseReuse));
Branch(points1.Shift(), builder, depth - 1);
}
