public static float SignedAngle(FPVector2 from, FPVector2 to) => FPMath.Angle(from, to) * FPMath.Sign(from.x * to.y - from.y * to.x);
public static float SignedAngle(FPVector2 from, FPVector2 to) => FPMath.Angle(from, to) * FPMath.Sign(from.x * to.y - from.y * to.x);