private MyPlaneIntersectionType PlaneIntersectsPoints(ref MyPlane plane, MyVector3[] points)
{
var result = MyCollision.PlaneIntersectsPoint(ref plane, ref points[0]);
for (int i = 1; i < points.Length; i++)
{
if (MyCollision.PlaneIntersectsPoint(ref plane, ref points[i]) != result)
{
return(MyPlaneIntersectionType.Intersecting);
}
}
return(result);
}
/// <summary>
/// Determines the intersection relationship between the frustum and a bounding box.
/// </summary>
/// <param name="box">The box.</param>
/// <returns>Type of the containment</returns>
public MyContainmentType Contains(ref MyBoundingBox box)
{
MyVector3 p, n;
MyPlane plane;
var result = MyContainmentType.Contains;
for (int i = 0; i < 6; i++)
{
plane = GetPlane(i);
GetBoxToPlanePVertexNVertex(ref box, ref plane.Normal, out p, out n);
if (MyCollision.PlaneIntersectsPoint(ref plane, ref p) == MyPlaneIntersectionType.Back)
{
return(MyContainmentType.Disjoint);
}
if (MyCollision.PlaneIntersectsPoint(ref plane, ref n) == MyPlaneIntersectionType.Back)
{
result = MyContainmentType.Intersects;
}
}
return(result);
}
/// <summary>
/// Determines if there is an intersection between the current object and a point.
/// </summary>
/// <param name="point">The point to test.</param>
/// <returns>Whether the two objects intersected.</returns>
public MyPlaneIntersectionType Intersects(ref MyVector3 point)
{
return(MyCollision.PlaneIntersectsPoint(ref this, ref point));
}
