/// <summary>
/// Returns the value of an angle. Assumes clockwise order of the polygon.
/// </summary>
/// <param name="previous">Previous vertex</param>
/// <param name="current">Current vertex</param>
/// <param name="next">Next vertex</param>
public static float GetAngle(Vector2 previous, Vector2 current, Vector2 next)
{
Vector2 toPrevious = (previous - current).normalized;
Vector2 toNext = (next - current).normalized;
return(VectorE.Angle360(toNext, toPrevious));
}
/// <summary>
/// Returns the bisector of an angle. Assumes clockwise order of the polygon.
/// </summary>
/// <param name="previous">Previous vertex</param>
/// <param name="current">Current vertex</param>
/// <param name="next">Next vertex</param>
/// <param name="degrees">Value of the angle in degrees. Always positive.</param>
public static Vector2 GetAngleBisector(Vector2 previous, Vector2 current, Vector2 next, out float degrees)
{
Vector2 toPrevious = (previous - current).normalized;
Vector2 toNext = (next - current).normalized;
degrees = VectorE.Angle360(toNext, toPrevious);
Assert.IsFalse(float.IsNaN(degrees));
return(toNext.RotateCW(degrees / 2));
}