public static void sincos(out FixFactor s, out FixFactor c, long nom, long den)
{
int index = SinCosLut.getIndex(nom, den);
s = new FixFactor((long)SinCosLut.sin_table[index], (long)SinCosLut.FACTOR);
c = new FixFactor((long)SinCosLut.cos_table[index], (long)SinCosLut.FACTOR);
}
public static void sincos(out FixFactor s, out FixFactor c, FixFactor angle)
{
int index = SinCosLut.getIndex(angle.nom, angle.den);
s = new FixFactor((long)SinCosLut.sin_table[index], (long)SinCosLut.FACTOR);
c = new FixFactor((long)SinCosLut.cos_table[index], (long)SinCosLut.FACTOR);
}
public static FixFactor operator -(FixFactor a, FixFactor b)
{
FixFactor factor = new FixFactor();
factor.nom = (a.nom * b.den) - (b.nom * a.den);
factor.den = a.den * b.den;
return(factor);
}
static FixFactor()
{
zero = new FixFactor(0L, 1L);
one = new FixFactor(1L, 1L);
pi = new FixFactor(0x7ab8L, 0x2710L);
twoPi = new FixFactor(0xf570L, 0x2710L);
mask_ = 0x7fffffffffffffffL;
upper_ = 0xffffffL;
}
public static FixFactor acos(long nom, long den)
{
int index = ((int)Divide((long)(nom * AcosLut.HALF_COUNT), den)) + AcosLut.HALF_COUNT;
index = Mathf.Clamp(index, 0, AcosLut.COUNT);
FixFactor factor = new FixFactor();
factor.nom = AcosLut.table[index];
factor.den = 0x2710L;
return(factor);
}
public FixVector3 RotateY(ref FixFactor radians)
{
FixVector3 num;
FixFactor factor;
FixFactor factor2;
Fix32Math.sincos(out factor, out factor2, radians.nom, radians.den);
long num2 = factor2.nom * factor.den;
long num3 = factor2.den * factor.nom;
long b = factor2.den * factor.den;
num.x = (int)Fix32Math.Divide((long)((this.x * num2) + (this.z * num3)), b);
num.z = (int)Fix32Math.Divide((long)((-this.x * num3) + (this.z * num2)), b);
num.y = 0;
return(num.NormalizeTo(0x3e8));
}
public static FixFactor atan2(int y, int x)
{
int num;
int num2;
if (x < 0)
{
if (y < 0)
{
x = -x;
y = -y;
num2 = 1;
}
else
{
x = -x;
num2 = -1;
}
num = -31416;
}
else
{
if (y < 0)
{
y = -y;
num2 = -1;
}
else
{
num2 = 1;
}
num = 0;
}
int dIM = Atan2Lut.DIM;
long num4 = dIM - 1;
long b = (x >= y) ? ((long)x) : ((long)y);
int num6 = (int)Divide((long)(x * num4), b);
int num7 = (int)Divide((long)(y * num4), b);
int num8 = Atan2Lut.table[(num7 * dIM) + num6];
FixFactor factor = new FixFactor();
factor.nom = (num8 + num) * num2;
factor.den = 0x2710L;
return(factor);
}
public static FixVector3 Lerp(FixVector3 a, FixVector3 b, FixFactor f)
{
return(new FixVector3(((int)Fix32Math.Divide((long)((b.x - a.x) * f.nom), f.den)) + a.x, ((int)Fix32Math.Divide((long)((b.y - a.y) * f.nom), f.den)) + a.y, ((int)Fix32Math.Divide((long)((b.z - a.z) * f.nom), f.den)) + a.z));
}
