public static double NextGaussian(double mu = 0, double sigma = 1)
{
double x, u, v, s;
if (isStored)
{
isStored = !isStored;
return(prevGauss * sigma + mu);
}
do
{
u = 2 * StaticRandom.NextDouble() - 1;
v = 2 * StaticRandom.NextDouble() - 1;
s = u * u + v * v;
} while (s >= 1 || s == 0);
x = Math.Sqrt(-2 * Math.Log(s) / s);
prevGauss = x * u;
isStored = !isStored;
return(x * v * sigma + mu);
}
private void TrollCalmMode(Troll t)
{
map[t.Position] = MazeMap.Empty;
if (StaticRandom.Next(6) > 1 && map.isFree(t.DesirePosition))
{
t.Position += t.Dir;
}
else
{
double j = t.Dir.X == 0 ? Math.Acos(t.Dir.Y) : -Math.Asin(t.Dir.X);
for (double k = j + Math.PI / 2; k > double.MinValue; k += Math.PI / 2)
{
t.Dir = Extensions.Direction(k);
if (StaticRandom.Next(3) > 1 && (map.isFree(t.DesirePosition) ||
Player.arrows.Contains(map[t.DesirePosition])))
{
break;
}
}
t.Position = t.DesirePosition;
}
map[t.Position] = Troll.calmCursor;
CheckForPlayer(t);
}
private void BuildByDivide(int x, int y, int _height, int _width, Orientation or, MazeMode mode)
{
if (_width < 2 || _height < 2)
{
return;
}
if (_width < 3 || _height < 3)
{
if (StaticRandom.Next(0, 3) > 1)
{
return;
}
}
bool hor = or == Orientation.HOR;
int hy1, hx1, hy2, hx2, hx3, hy3;
int wy = y + (hor ? 0 : StaticRandom.Next(_width - 2));
int wx = x + (hor ? StaticRandom.Next(_height - 2) : 0);
if ((mode == MazeMode.OneWay) || _height < 5 || _width < 5)
{
hy1 = hy2 = hy3 = wy + (hor ? StaticRandom.Next(_width) : 0);
hx1 = hx2 = hx3 = wx + (hor ? 0 : StaticRandom.Next(_height));
}
else if (!hor && _width >= 5 && _width <= 15)
{
hy1 = hy2 = hy3 = wy;
hx1 = wx + StaticRandom.Next(_height / 2 - 1);
hx2 = hx3 = wx + StaticRandom.Next(_height / 2, _height);
}
else if (hor && _height >= 5 && _height <= 15)
{
hy1 = wy + StaticRandom.Next(_width / 2 - 1);
hx1 = hx2 = hx3 = wx;
hy2 = hy3 = wy + StaticRandom.Next(_width / 2, _width);
}
else
{
hy1 = wy + (hor ? StaticRandom.Next(_width / 3 - 1) : 0);
hx1 = wx + (hor ? 0 : StaticRandom.Next(_height / 3));
hy2 = wy + (hor ? StaticRandom.Next(_width / 3 + 1, 2 * _width / 3 - 1) : 0);
hx2 = wx + (hor ? 0 : StaticRandom.Next(_height / 3 + 1, 2 * _height / 3 - 1));
hy3 = wy + (hor ? StaticRandom.Next(2 * _width / 3 + 1, _width) : 0);
hx3 = wx + (hor ? 0 : StaticRandom.Next(2 * _height / 3 + 1, _height));
}
for (int i = 0; i < (hor ? _width : _height); i++)
{
if (!((wx == hx1 && wy == hy1) || (wx == hx2 && wy == hy2) || (wx == hx3 && wy == hy3)))
{
if (map[wx][wy] != ' ')
{
map[wx][wy] = 'b';
}
else
{
map[wx][wy] = hor ? 'h' : 'v';
}
}
wy += (hor ? 1 : 0);
wx += (hor ? 0 : 1);
}
int newh = hor ? wx - x + 1 : _height;
int neww = hor ? _width : wy - y + 1;
BuildByDivide(x, y, newh, neww, ChooseOrientation(newh, neww), mode);
newh = hor ? _height - wx + x - 1 : _height;
neww = hor ? _width : _width - wy + y - 1;
BuildByDivide(hor ? wx + 1 : x, hor ? y : wy + 1, newh, neww, ChooseOrientation(newh, neww), mode);
}
