/// <summary>
/// Finds all the polygons in this list that touch the plane passed in. If the includeContained flag is false, it will not return any
/// polygons contained by the the plane
/// </summary>
/// <param name="polygonList">The list of polygons to to see if they touch the planes</param>
/// <param name="toSeeIfTouches">The plane to see if the polygons touch</param>
/// <param name="includeContained">If true it will include any polygons in the list that are contained in the plane, false it will not</param>
/// <returns>Returns the polygons that are touching this plane</returns>
public static List<Polygon> FindPolygonsTouchingPlane(this List<Polygon> polygonList, Plane toSeeIfTouches, bool includeContained = false)
{
List<Polygon> touchingPolygons = new List<Polygon>();
foreach (Polygon polygon in polygonList)
{
//see if they intersect
if (toSeeIfTouches.Intersects(polygon))
{
touchingPolygons.Add(polygon);
}
//they will not intersect if the are coplanar so we check here if we want to include contained ones
else if (includeContained && toSeeIfTouches.Contains(polygon))
{
touchingPolygons.Add(polygon);
}
}
return touchingPolygons;
}
public void Plane_Intersect_Line_Segment()
{
Plane testPlane = new Plane(new Direction(2, -1, 1), Point.MakePointWithInches(2, -1, 1));
var linesegment=new LineSegment(Point.MakePointWithInches(2, -1, 1));
testPlane.Intersects(linesegment).Should().BeTrue();
}
