static public VectorF2 CreateDirection(float x, float period) { return(new VectorF2(TrigCustom.Cos(x, period), TrigCustom.Sin(x, period))); }
static public float Sin(float degrees) { return(TrigCustom.Sin(degrees, DEGREES_PER_PERIOD)); }
static public float GetAngleInCustom(this VectorF2 item, float period) { return(TrigCustom.Atan2(item.y, item.x, period)); }
static public float Atan2(float y, float x) { return(TrigCustom.Atan2(y, x, DEGREES_PER_PERIOD)); }