static public bool IsIntersecting(this Plane2 item, Ray2 ray, out Vector2 point)
{
float distance;
bool did_intersect = item.IsIntersecting(ray, out distance);
point = ray.GetPointAlong(distance);
return(did_intersect);
}
static public bool IsIntersecting(this Plane2 item, LineSegment2 line_segment, out Vector2 point)
{
float distance;
bool did_intersect = item.IsIntersecting(line_segment, out distance);
point = line_segment.GetPointOnByDistance(distance);
return(did_intersect);
}
static public bool IsInside(this Plane2 item, Vector2 point, float tolerance = 0.0f)
{
if (item.IsOutside(point, tolerance) == false)
{
return(true);
}
return(false);
}
static public bool IsOutside(this Plane2 item, Vector2 point, float tolerance = 0.0f)
{
if (item.GetSignedDistanceToPoint(point) > tolerance)
{
return(true);
}
return(false);
}
static public bool IsIntersecting(this Plane2 item, Ray2 ray, out float distance)
{
if (item.IsIntersectingLine(ray, out distance) && distance >= 0.0f)
{
return(true);
}
return(false);
}
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 bool IsIntersecting(this Plane2 item, LineSegment2 line_segment, out float distance)
{
if (item.IsIntersecting(line_segment.GetRay(), out distance))
{
if (distance <= line_segment.GetLength())
{
return(true);
}
}
return(false);
}
static public bool IsIntersecting(this Plane2 item, Triangle2 triangle, out LineSegment2 output)
{
Vector2 v0;
Vector2 v1;
if (triangle.GetEdges()
.TryConvert((LineSegment2 e, out Vector2 v) => item.IsIntersecting(e, out v))
.PartOut(out v0, out v1) == 2)
{
output = new LineSegment2(v0, v1);
return(true);
}
output = default(LineSegment2);
return(false);
}
static public bool IsIntersecting(this PlaneSpace item, Plane plane, out Plane2 output)
{
Ray ray;
if (item.plane.IsIntersecting(plane, out ray))
{
output = Plane2Extensions.CreatePointsAndInsidePoint(
item.ProjectPoint(ray.origin),
item.ProjectPoint(ray.origin + ray.direction),
item.ProjectPoint(ray.origin - plane.normal)
);
return(true);
}
output = default(Plane2);
return(false);
}
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);
}
static public bool IsIntersecting(this Face item, Plane2 plane, out float distance)
{
return(plane.IsIntersecting(item.GetLineSegment(), out distance));
}
static public Vector2 GetOrigin(this Plane2 item)
{
return(item.normal * -item.distance);
}
static public float GetAbsoluteDistanceToPoint(this Plane2 item, Vector2 point)
{
return(item.GetSignedDistanceToPoint(point).GetAbs());
}
static public float GetSignedDistanceToPoint(this Plane2 item, Vector2 point)
{
return(item.normal.GetDot(point - item.GetOrigin()));
}
static public Vector2 ProjectPoint(this Plane2 item, Vector2 point)
{
return(point - item.normal * item.GetSignedDistanceToPoint(point));
}
static public bool IsIntersecting(this Face item, Plane2 plane, out Vector2 point)
{
return(plane.IsIntersecting(item.GetLineSegment(), out point));
}
static public bool IsIntersectingLine(this Plane2 item, Ray2 ray, out float distance)
{
return(ray.IsIntersectingLine(item.GetOrigin(), item.normal, out distance));
}
static public Plane2 GetFlipped(this Plane2 item)
{
return(Plane2Extensions.CreateNormalAndPoint(-item.normal, item.GetOrigin()));
}