static public void Line(Grid2DInt grid, Vector2Int p1, Vector2Int p2, int width = 0, int data = 255)
{
Diamond(grid, p1.x, p1.y, width, data);
Diamond(grid, p2.x, p2.y, width, data);
Vector2 dif = new Vector2(p2.x - p1.x, p2.y - p1.y);
int xLength = Math.Abs(p2.x - p1.x);
for (int i = 0; i < xLength; i++)
{
for (int w = -width; w <= width; w++)
{
grid[p1.x + (int)(i * dif.x / xLength), p1.y + (int)(i * dif.y / xLength) + w] = data;
}
}
int yLength = Math.Abs(p2.y - p1.y);
for (int i = 0; i < yLength; i++)
{
for (int w = -width; w <= width; w++)
{
grid[p1.x + (int)(i * dif.x / yLength) + w, p1.y + (int)(i * dif.y / yLength)] = data;
}
}
}
void Flow(Grid2DInt grid, int length)
{
if (lastEdges.Count <= 0)
{
return;
}
foreach (var point in lastEdges)
{
flowGrid[point] = length;
}
length++;
maxLength = Math.Max(length, maxLength);
List <Vector2Int> tmpPoints = new List <Vector2Int>();
foreach (var point in lastEdges)
{
foreach (var p in Grid2DInt.ortho)
{
var pp = point + p;
if (Contain(pp, tmpPoints))
{
continue;
}
if ((grid[pp] != 255) || (flowGrid[pp] != 0))
{
continue;
}
tmpPoints.Add(pp);
}
}
lastEdges = tmpPoints;
Flow(grid, length);
}
public Grid2DInt Fill(Grid2DInt grid, Vector2Int point)
{
flowGrid = new Grid2DInt(grid.Width, grid.Height);
maxLength = 0;
lastEdges.Clear();
lastEdges.Add(point);
Flow(grid, 0);
return(flowGrid);
}
static public void Square(Grid2DInt grid, int x, int y, int size = 3, int data = 255)
{
for (int row = -size; row < size + 1; row++)
{
for (int col = -size; col < size + 1; col++)
{
grid[x + col, y + row] = data;
}
}
}
static public void Diamond(Grid2DInt grid, int x, int y, int size = 3, int data = 255)
{
for (int row = -size; row < size + 1; row++)
{
for (int col = -size; col < size + 1; col++)
{
int dis = Math.Abs(row) + Math.Abs(col);
if (dis <= size)
{
grid[x + col, y + row] = data;
}
}
}
}
public Vector2Int Step(Grid2DInt grid)
{
Vector2Int nextPos;
do
{
nextPos = curPos + moveTable[Random.Range(0, moveTable.Count)];
} while(!grid.Inside(nextPos.x, nextPos.y));
curPos = nextPos;
//nextPos = curPos + moveTable[Random.Range(0, moveTable.Count)];
//if(grid.Inside(nextPos.x, nextPos.y)) {
// curPos = nextPos;
//}
return(curPos);
}
public void Count(Grid2DInt grid, int value)
{
CountMap = new Grid2DInt(grid.Width, grid.Height);
MaxCount = 0;
for (int y = 0; y < grid.Height; y++)
{
for (int x = 0; x < grid.Width; x++)
{
if (grid[x, y] != 255)
{
continue;
}
var cnt = grid.CountRect(new UnityEngine.Vector2Int(x, y), 2, 0);
MaxCount = Math.Max(MaxCount, cnt);
CountMap[x, y] = cnt;
}
}
}
