SalvatorePreviti

	/// <summary>
	/// Computes the intersection points between a frustum and an infinite line.
	/// Finds the visible part of a segment in respect of a camera frustum.
	/// Returns false if the line is not visible at all.
	/// </summary>
	/// <example>
	/// var planes = GeometryUtility.CalculateFrustumPlanes(camera);
	/// if (GetFrustumLineIntersection(camera, planes, ray, out d1, out d2)) {
	/// 	Gizmos.DrawLine(ray.GetPoint(d1), ray.GetPoint(d2));
	/// }