#region License
#endregion
namespace Microsoft.Xna.Framework
{
/// <summary>
/// Defines the different tangent types to be calculated for <see cref="CurveKey"/> points in a <see cref="Curve"/>.
/// </summary>
public enum CurveTangent
{
/// <summary>
/// The tangent which always has a value equal to zero.
/// </summary>
Flat,
/// <summary>
/// The tangent which contains a difference between current tangent value and the tangent value from the previous <see cref="CurveKey"/>.
/// </summary>
Linear,
/// <summary>
/// The smoouth tangent which contains the inflection between <see cref="CurveKey.TangentIn"/> and <see cref="CurveKey.TangentOut"/> by taking into account the values of both neighbors of the <see cref="CurveKey"/>.
/// </summary>
Smooth
}
}
