/// <summary>
/// Calculates the angle between the specified points around the specified axis.
/// </summary>
/// <param name="center">The center of the angle.</param>
/// <param name="start">The start of the angle.</param>
/// <param name="end">The end of the angle.</param>
/// <param name="axis">The axis around which the angle is calculated.</param>
/// <returns>The angle, in degrees.</returns>
public static double Angle(this CameraSpacePoint center, CameraSpacePoint start, CameraSpacePoint end, Axis axis)
{
switch (axis)
{
case Axis.X:
start.X = 0f;
center.X = 0f;
end.X = 0f;
break;
case Axis.Y:
start.Y = 0f;
center.Y = 0f;
end.Y = 0f;
break;
case Axis.Z:
start.Z = 0f;
center.Z = 0f;
end.Z = 0f;
break;
}
Vector3 first = start.ToVector3() - center.ToVector3();
Vector3 second = end.ToVector3() - center.ToVector3();
return(Vector3.Angle(first, second));
}
/// <summary>
/// Calculates the angle between the specified points.
/// </summary>
/// <param name="center">The center of the angle.</param>
/// <param name="start">The start of the angle.</param>
/// <param name="end">The end of the angle.</param>
/// <returns>The angle, in degrees.</returns>
public static double Angle(this CameraSpacePoint center, CameraSpacePoint start, CameraSpacePoint end)
{
Vector3 first = start.ToVector3() - center.ToVector3();
Vector3 second = end.ToVector3() - center.ToVector3();
return(Vector3.Angle(first, second));
}
/// <summary>
/// Calculates the angle between the specified points.
/// </summary>
/// <param name="center">The center of the angle.</param>
/// <param name="start">The start of the angle.</param>
/// <param name="end">The end of the angle.</param>
/// <returns>The angle, in degrees.</returns>
public static double Angle(this CameraSpacePoint center, CameraSpacePoint start, CameraSpacePoint end)
{
Vector3D first = start.ToVector3() - center.ToVector3();
Vector3D second = end.ToVector3() - center.ToVector3();
return Vector3D.AngleBetween(first, second);
}
/// <summary>
/// Calculates the angle between the specified points around the specified axis.
/// </summary>
/// <param name="center">The center of the angle.</param>
/// <param name="start">The start of the angle.</param>
/// <param name="end">The end of the angle.</param>
/// <param name="axis">The axis around which the angle is calculated.</param>
/// <returns>The angle, in degrees.</returns>
public static double Angle(this CameraSpacePoint center, CameraSpacePoint start, CameraSpacePoint end, Axis axis)
{
switch (axis)
{
case Axis.X:
start.X = 0f;
center.X = 0f;
end.X = 0f;
break;
case Axis.Y:
start.Y = 0f;
center.Y = 0f;
end.Y = 0f;
break;
case Axis.Z:
start.Z = 0f;
center.Z = 0f;
end.Z = 0f;
break;
}
Vector3D first = start.ToVector3() - center.ToVector3();
Vector3D second = end.ToVector3() - center.ToVector3();
return Vector3D.AngleBetween(first, second);
}