public void LimitToWalls(int minx, int miny, int minz, int maxx, int maxy, int maxz)
{
origin.X = GameMath.Clamp(origin.X, minx, maxx);
origin.Y = GameMath.Clamp(origin.Y, miny, maxy);
origin.Z = GameMath.Clamp(origin.Z, minz, maxz);
dir.X = GameMath.Clamp(origin.X + dir.X, minx, maxx) - origin.X;
dir.Y = GameMath.Clamp(origin.Y + dir.Y, miny, maxy) - origin.Y;
dir.Z = GameMath.Clamp(origin.Z + dir.Z, minz, maxz) - origin.Z;
}
public virtual double Noise(double x, double y, double offset = 0)
{
double value = 1;
for (int i = 0; i < amplitudes.Length; i++)
{
value += octaves[i].Evaluate(x * frequencies[i], y * frequencies[i]) * amplitudes[i];
}
return(GameMath.Clamp(value / 2 + offset, 0, 1));
}
/// <summary>
/// Returns the shortest horizontal distance to any point between this and given cuboid
/// </summary>
public double ShortestHorizontalDistanceFrom(Cuboidf cuboid, BlockPos offset)
{
double cx = offset.X + cuboid.X1 - GameMath.Clamp(offset.X + cuboid.X1, X1, X2);
double cz = offset.Z + cuboid.Z1 - GameMath.Clamp(offset.Z + cuboid.Z1, Z1, Z2);
double dx = offset.X + cuboid.X2 - GameMath.Clamp(offset.X + cuboid.X2, X1, X2);
double dz = offset.Z + cuboid.Z2 - GameMath.Clamp(offset.Z + cuboid.Z2, Z1, Z2);
return(Math.Sqrt(
Math.Min(cx * cx, dx * dx) + Math.Min(cz * cz, dz * dz)
));
}
/// <summary>
/// Returns the shortest distance to any point between this and given cuboid
/// </summary>
public double ShortestDistanceFrom(Cuboidd cuboid)
{
double cx = cuboid.X1 - GameMath.Clamp(cuboid.X1, X1, X2);
double cy = cuboid.Y1 - GameMath.Clamp(cuboid.Y1, Y1, Y2);
double cz = cuboid.Z1 - GameMath.Clamp(cuboid.Z1, Z1, Z2);
double dx = cuboid.X2 - GameMath.Clamp(cuboid.X2, X1, X2);
double dy = cuboid.Y2 - GameMath.Clamp(cuboid.Y2, Y1, Y2);
double dz = cuboid.Z2 - GameMath.Clamp(cuboid.Z2, Z1, Z2);
return(Math.Sqrt(
Math.Min(cx * cx, dx * dx) + Math.Min(cy * cy, dy * dy) + Math.Min(cz * cz, dz * dz)
));
}
/// <summary>
/// Clamps supplied value to avg-var and avg+var
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public float ClampToRange(float value)
{
switch (dist)
{
case EnumDistribution.INVEXP:
case EnumDistribution.STRONGINVEXP:
case EnumDistribution.STRONGERINVEXP:
return(Math.Min(value, value + var));
default:
float min = avg - var;
float max = avg + var;
return(GameMath.Clamp(value, Math.Min(min, max), Math.Max(min, max)));
}
}
/// <summary>
/// Returns the shortest distance to any point between this and given cuboid
/// </summary>
public double ShortestVerticalDistanceFrom(Cuboidf cuboid, EntityPos offset)
{
double oY1 = offset.Y + cuboid.Y1;
double oY2 = offset.Y + cuboid.Y2;
double cy = oY1 - GameMath.Clamp(oY1, Y1, Y2);
// Test if inside
if (oY1 <= Y1 && oY2 >= Y2)
{
cy = 0;
}
double dy = oY2 - GameMath.Clamp(oY2, Y1, Y2);
return(Math.Min(cy, dy));
}
/// <summary>
/// Returns the shortest distance to any point between this and given cuboid
/// </summary>
public double ShortestDistanceFrom(Cuboidf cuboid, BlockPos offset)
{
double oX1 = offset.X + cuboid.X1;
double oY1 = offset.Y + cuboid.Y1;
double oZ1 = offset.Z + cuboid.Z1;
double oX2 = offset.X + cuboid.X2;
double oY2 = offset.Y + cuboid.Y2;
double oZ2 = offset.Z + cuboid.Z2;
double cx = oX1 - GameMath.Clamp(oX1, X1, X2);
double cy = oY1 - GameMath.Clamp(oY1, Y1, Y2);
double cz = oZ1 - GameMath.Clamp(oZ1, Z1, Z2);
// Test if inside
if (oX1 <= X1 && oX2 >= X2)
{
cx = 0;
}
if (oY1 <= Y1 && oY2 >= Y2)
{
cy = 0;
}
if (oZ1 <= Z1 && oZ2 >= Z2)
{
cz = 0;
}
double dx = oX2 - GameMath.Clamp(oX2, X1, X2);
double dy = oY2 - GameMath.Clamp(oY2, Y1, Y2);
double dz = oZ2 - GameMath.Clamp(oZ2, Z1, Z2);
return(Math.Sqrt(
Math.Min(cx * cx, dx * dx) + Math.Min(cy * cy, dy * dy) + Math.Min(cz * cz, dz * dz)
));
}
/// <summary>
/// Returns the shortest distance between given point and any point inside the cuboid
/// </summary>
public double ShortestVerticalDistanceFrom(double y)
{
return(y - GameMath.Clamp(y, Y1, Y2));
}