public void LineProjectionToPlaneTest()
{
Point3d p1 = new Point3d(1, -5, -1);
Vector3d v1 = new Vector3d(-2, 3, 4);
Line3d l1 = new Line3d(p1, v1);
Plane3d s1 = new Plane3d(-2, 2, 3, -29);
Point3d p2 = (Point3d)l1.IntersectionWith(s1);
Line3d l2 = (Line3d)l1.ProjectionTo(s1);
Assert.IsTrue(p2.BelongsTo(l2));
}
public void LineConvertProjectionToPlaneTest2()
{
Coord3d coord1 = Coord3d.GlobalCS.Copy();
Coord3d coord2 = Coord3d.GlobalCS.Copy();
coord2.RotateDeg(new Vector3d(1, 1, 1), 120);
Point3d p1 = new Point3d(1, 2, 3, coord1);
Vector3d v1 = new Vector3d(0, 2, 1);
Line3d l1 = new Line3d(p1, v1);
l1.Point = l1.Point.ConvertTo(coord2);
Plane3d s1 = coord2.XZ_plane;
s1.Point = s1.Point.ConvertTo(coord1);
Assert.IsTrue((Line3d)l1.ProjectionTo(s1) == new Line3d(new Point3d(1, 2, 0), new Vector3d(0, 1, 0)));
}
