static void AddSand(Dictionary <HexCoordinate, ulong> NextState, HexCoordinate coordinate, ulong sand)
{
if (!NextState.ContainsKey(coordinate))
{
NextState.Add(coordinate, sand);
}
else
{
NextState[coordinate] += sand;
}
}
PointF[] BoundaryPoints(HexCoordinate coordinate)
{
float centerX = originX + cellRadius * coordinate.X * 1.5f;
float centerY = originY + cellRadius * (-coordinate.X * Root3Over2 - coordinate.Y * 2 * Root3Over2);
PointF[] boundary = new PointF[6];
boundary[0] = new PointF(centerX + cellRadius * 1, centerY + cellRadius * 0);
boundary[1] = new PointF(centerX + cellRadius * 0.5f, centerY + cellRadius * Root3Over2);
boundary[2] = new PointF(centerX - cellRadius * 0.5f, centerY + cellRadius * Root3Over2);
boundary[3] = new PointF(centerX - cellRadius * 1, centerY + cellRadius * 0);
boundary[4] = new PointF(centerX - cellRadius * 0.5f, centerY - cellRadius * Root3Over2);
boundary[5] = new PointF(centerX + cellRadius * 0.5f, centerY - cellRadius * Root3Over2);
return(boundary);
}