public void CreateHolesAndBalls(int numHoles = 4, MinMax ballDistance = null)
{
// divide entire grid up into 9 zones in a 3x3 formation,
// remove the zones with the start and end point
// select `numSwitches` zones to put switches in
int leftZoneBoundaryX = width / 3;
int rightZoneBoundaryX = 2 * width / 3;
int topZoneBoundaryY = 2 * height / 3;
int bottomZoneBoundaryY = height / 3;
int getZone(Vector3Int v)
{
int z = 0;
if (v.x > rightZoneBoundaryX)
{
z += 2;
}
else if (v.x > leftZoneBoundaryX)
{
z += 1;
}
if (v.y > topZoneBoundaryY)
{
z += 6; // 3 * 2
}
else if (v.y > bottomZoneBoundaryY)
{
z += 3;
}
return(z);
};
int startZone = getZone(StartingPoint.Coordinates.GetRepresentationalCoordinates());
int endZone = getZone(EndingPoint.Coordinates.GetRepresentationalCoordinates());
List <int> availableZones = Enumerable.Range(0, 9).Where(e => e != startZone && e != endZone).ToList();
List <int> switchZones = new List <int>();
for (int i = 0; i < numHoles; i++)
{
int num = UnityEngine.Random.Range(0, availableZones.Count);
switchZones.Add(availableZones[num]);
availableZones.RemoveAt(num);
}
int border = System.Math.Min(height, width) / 10;
HexCoordinates getRandomHexInZone(int zone)
{
int xZone = zone % 3;
int yZone = zone / 3;
int xGridPos, yGridPos;
switch (xZone)
{
default:
case 0:
xGridPos = UnityEngine.Random.Range(0, leftZoneBoundaryX - border);
break;
case 1:
xGridPos = UnityEngine.Random.Range(leftZoneBoundaryX + border, rightZoneBoundaryX - border);
break;
case 2:
xGridPos = UnityEngine.Random.Range(rightZoneBoundaryX + border, width);
break;
}
switch (yZone)
{
default:
case 0:
yGridPos = UnityEngine.Random.Range(0, bottomZoneBoundaryY - border);
break;
case 1:
yGridPos = UnityEngine.Random.Range(bottomZoneBoundaryY + border, topZoneBoundaryY - border);
break;
case 2:
yGridPos = UnityEngine.Random.Range(topZoneBoundaryY + border, height);
break;
}
return(HexCoordinates.FromRepresentationalCoordinates(xGridPos, yGridPos));
}
List <HexCoordinates> holeHexes = new List <HexCoordinates>();
for (int i = 0; i < switchZones.Count; i++)
{
bool foundPosition = false;
int attempts = 0;
int zone = switchZones[i];
while (!foundPosition)
{
attempts = 0;
do
{
HexCoordinates h = getRandomHexInZone(zone);
if (cellInfo[h].Reachable && cellInfo[h].NumTouchedWalls > 0)
{
Hole s = Hole.CreateInstance();
s.Place(this, h);
holeHexes.Add(h);
foundPosition = true;
Debug.Log($"Found in zone {zone} in {attempts} attempts");
}
attempts++;
} while (!foundPosition && attempts < 10);
// this zone can't find a place, search another zone for position
if (!foundPosition)
{
Debug.Log($"Failed to find in zone {zone}");
int num = UnityEngine.Random.Range(0, availableZones.Count);
zone = availableZones[num];
availableZones.RemoveAt(num);
}
}
}
if (ballDistance == null)
{
ballDistance = new MinMax(3, 6);
}
foreach (HexCoordinates h in holeHexes)
{
int targetDistance = UnityEngine.Random.Range(ballDistance.Min, ballDistance.Max);
var positions = GetAllPositionsInDistanceRange(h, ballDistance);
var position = positions.Where(p => cellInfo[p.Item2].NumTouchedWalls <= 3).OrderBy(p => Mathf.Abs(p.Item1 - targetDistance)).First();
Ball b = Ball.CreateInstance();
b.Place(this, position.Item2);
}
}