/// <summary>
/// 夹角大小
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static LFloat Angle(LQuaternion a, LQuaternion b)
{
LFloat single = Dot(a, b);
return(LMath.Acos(LMath.Min(LMath.Abs(single), LFloat.one)) * 2 * (180 / LMath.PI));
}
public static LVector2 Lerp(LVector2 a, LVector2 b, LFloat f)
{
return(new LVector2(true,
(int)(((long)(b._x - a._x) * f._val) / LFloat.Precision) + a._x,
(int)(((long)(b._y - a._y) * f._val) / LFloat.Precision) + a._y));
}
public static LFloat Sqrt(LFloat val)
{
return(LockStep.Math.LMath.Sqrt(val));
}
public static LFloat Max(LFloat a, LFloat b)
{
return(new LFloat(true, Max(a._val, b._val)));
}
public static LFloat Lerp(LFloat a, LFloat b, LFloat f)
{
return(new LFloat(true, (int)(((long)(b._val - a._val) * f._val) / LFloat.Precision) + a._val));
}
public static bool SameSign(LFloat a, LFloat b)
{
return((long)a._val * b._val > 0L);
}
/// <summary>
/// 返回正负值
/// </summary>
/// <param name="a"></param>
/// <returns></returns>
public static int Sign(LFloat a)
{
return(System.Math.Sign(a._val));
}
public static LFloat Atan2(LFloat y, LFloat x)
{
return(Atan2(y._val, x._val));
}
/// <summary>
/// 平方
/// </summary>
/// <param name="a"></param>
/// <returns></returns>
public static LFloat Sqr(LFloat a)
{
return(a * a);
}
public static LFloat Cos(LFloat radians)
{
int index = LUTSinCos.getIndex(radians);
return(new LFloat(true, (long)LUTSinCos.cos_table[index] / 10));
}
public static LFloat Sin(LFloat val)
{
int index = LUTSinCos.getIndex(val);
return(new LFloat(true, (long)LUTSinCos.sin_table[index] / 10));
}
public LVector2(LFloat x, LFloat y)
{
this._x = x;
this._y = y;
}
public LVector3(LFloat _x, LFloat _y, LFloat _z)
{
this._x = _x._val;
this._y = _y._val;
this._z = _z._val;
}
public static LFloat Sqrt(LFloat val)
{
return(LMath.Sqrt(val));
}