static public Plane2 CreatePointsAndInsidePoint(Vector2 v0, Vector2 v1, Vector2 inside)
{
Plane2 plane = CreatePoints(v0, v1);
if (plane.IsInside(inside))
{
return(plane);
}
return(plane.GetFlipped());
}
static public ConvexPolygon GetIntersection(this ConvexPolygon item, Plane2 plane)
{
ConvexPolygon intersection = new ConvexPolygon();
intersection.AddVertexs(item.GetVertexs().Narrow(v => plane.IsInside(v)));
Vector2 point;
foreach (Face face in item.GetFaces())
{
if (face.IsIntersecting(plane, out point))
{
intersection.AddVertex(point);
}
}
return(intersection);
}