protected void brushStroke(Map map, Map.Coordinate center, int brushSize, Func<Map.Coordinate, Map.CellState> function, bool fill = true, bool empty = true)
{
Vector3 pos = map.GetRelativePosition(center);
List<Map.Coordinate> coords = new List<Map.Coordinate>();
for (Map.Coordinate x = center.Move(Direction.NegativeX, this.BrushSize - 1); x.X < center.X + this.BrushSize; x.X++)
{
for (Map.Coordinate y = x.Move(Direction.NegativeY, this.BrushSize - 1); y.Y < center.Y + this.BrushSize; y.Y++)
{
for (Map.Coordinate z = y.Move(Direction.NegativeZ, this.BrushSize - 1); z.Z < center.Z + this.BrushSize; z.Z++)
{
if ((pos - map.GetRelativePosition(z)).Length() <= this.BrushSize)
coords.Add(new Map.Coordinate { X = z.X, Y = z.Y, Z = z.Z, Data = function(z) });
}
}
}
if (empty)
map.Empty(coords.Where(x => x.Data.ID == 0));
if (fill)
{
foreach (Map.Coordinate coord in coords)
map.Fill(coord, coord.Data);
}
}
protected void brushStroke(Map map, Map.Coordinate center, int brushSize, Map.CellState state)
{
Vector3 pos = map.GetRelativePosition(center);
List<Map.Coordinate> coords = new List<Map.Coordinate>();
for (Map.Coordinate x = center.Move(Direction.NegativeX, this.BrushSize - 1); x.X < center.X + this.BrushSize; x.X++)
{
for (Map.Coordinate y = x.Move(Direction.NegativeY, this.BrushSize - 1); y.Y < center.Y + this.BrushSize; y.Y++)
{
for (Map.Coordinate z = y.Move(Direction.NegativeZ, this.BrushSize - 1); z.Z < center.Z + this.BrushSize; z.Z++)
{
if ((pos - map.GetRelativePosition(z)).Length() <= this.BrushSize)
coords.Add(z);
}
}
}
if (state.ID == 0)
map.Empty(coords);
else
{
foreach (Map.Coordinate coord in coords)
map.Fill(coord, state);
}
}
public Map.CellState GetValue(Map map, Map.Coordinate coord)
{
coord.X -= map.MinX;
coord.Y -= map.MinY;
coord.Z -= map.MinZ;
float value = this.density(coord);
if (value > this.PrimaryFillThreshold)
{
// We are filling in material in this cell
// Determine whether to fill in with primary or secondary material
Map.CellState state;
if (this.density(coord.Move(0, 2, 0)) < this.PrimaryFillThreshold // We're on the top of a ground formation
&& this.noise3d(new Vector3(coord.X, coord.Y, coord.Z) / this.SecondaryOctave) > this.SecondaryFillThreshold) // Modulate by another noise function
state = this.secondaryFillValue;
else
state = this.primaryFillValue;
return state;
}
return new Map.CellState();
}
