public static string ToSimplestForm(this float val)
{
bool hasDecimal = !val.AboutEqual(Mathf.Round(val));
string format = hasDecimal ? "{0:n1}" : "{0:n0}";
return(string.Format(format, val));
}
/// <summary>
/// Calculates the moment of inertia of a solid sphere (ball).
/// </summary>
/// <remarks>
/// <code>
/// => I = 2mr² ÷ 5
/// </code>
/// </remarks>
/// <param name="m"></param>
/// <param name="r"></param>
/// <returns></returns>
public static float MomentInertia(float m, float r = 1)
{
return(.4f * m * (r.AboutEqual(1) ? 1 : Mathf.Pow(r, 2)));
}