/// <summary>
/// Get the vector shift which when added to camera position will do the effect of zoom to extents (zoom to fit) operation,
/// so all the passed points will fit in the current view.
/// </summary>
/// <param name="boundingBox">The bounding box.</param>
/// <returns>The zoom to fit vector</returns>
public Vector3 GetZoomToExtentsShiftVector(ref BoundingBox boundingBox)
{
return(GetZoomToExtentsShiftDistance(boundingBox.GetCorners()) * pNear.Normal);
}
/// <summary>
/// Get the distance which when added to camera position along the lookat direction will do the effect of zoom to extents (zoom to fit) operation,
/// so all the passed points will fit in the current view.
/// if the returned value is poistive, the camera will move toward the lookat direction (ZoomIn).
/// if the returned value is negative, the camera will move in the revers direction of the lookat direction (ZoomOut).
/// </summary>
/// <param name="boundingBox">The bounding box.</param>
/// <returns>The zoom to fit distance</returns>
public float GetZoomToExtentsShiftDistance(ref BoundingBox boundingBox)
{
return(GetZoomToExtentsShiftDistance(boundingBox.GetCorners()));
}
/// <summary>
/// Checks whether the current BoundingFrustum intersects a BoundingBox.
/// </summary>
/// <param name="box">The box.</param>
/// <param name="result"><c>true</c> if the current BoundingFrustum intersects a BoundingSphere.</param>
public void Intersects(ref BoundingBox box, out bool result)
{
result = Contains(ref box) != ContainmentType.Disjoint;
}
/// <summary>
/// Checks whether the current BoundingFrustum intersects a BoundingBox.
/// </summary>
/// <param name="box">The box.</param>
/// <returns><c>true</c> if the current BoundingFrustum intersects a BoundingSphere.</returns>
public bool Intersects(ref BoundingBox box)
{
return(Contains(ref box) != ContainmentType.Disjoint);
}
/// <summary>
/// Determines the intersection relationship between the frustum and a bounding box.
/// </summary>
/// <param name="box">The box.</param>
/// <param name="result">Type of the containment.</param>
public void Contains(ref BoundingBox box, out ContainmentType result)
{
result = Contains(ref box);
}
/// <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 ContainmentType Contains(BoundingBox box)
{
return(Contains(ref box));
}