private void GetIntegerMaps()
{
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
// process terrainMap
int id = 0;
if (Mathf.RoundToInt(terrainMap.GetPixel(x, y).r) == 1)
{
id = 1;
openCells.Add(new Vector2(x, y)); // add to a list of empty cells
}
terrain [y, x] = id;
// process collidersMap
colliders [y, x] = (int)collidersMap.GetPixel(x, y).a;
// process objectsMap
if (Random.value < objectsMap.GetPixel(x, y).a)
{
CreateRandomObject(x, y);
}
}
}
int[,] temp = new int[size, size];
Int2DArrayUtil.CopyArray(terrain, temp);
for (int x = 0; x < size; x++)
{
for (int y = 0; y < size; y++)
{
if (temp[y, x] == 1)
{
int sum = SumNeighbors(temp, x, y, 0);
if (sum > 1)
{
terrain [y, x] = sum;
}
}
}
}
}
private int SumNeighbors(int[,] arr, int x, int y, int id)
{
int sum = 0;
if (Int2DArrayUtil.IsInBounds(arr, x, y + 1) && arr [y + 1, x] == id)
{
sum += 1;
}
if (Int2DArrayUtil.IsInBounds(arr, x + 1, y) && arr [y, x + 1] == id)
{
sum += 2;
}
if (Int2DArrayUtil.IsInBounds(arr, x, y - 1) && arr [y - 1, x] == id)
{
sum += 4;
}
if (Int2DArrayUtil.IsInBounds(arr, x - 1, y) && arr [y, x - 1] == id)
{
sum += 8;
}
return(sum + 1);
}