static int CountTrees(Map map, Slope slope)
{
var point = new Point(0, 0);
var trees = 0;
while (true)
{
point = point with
{
X = point.X + slope.Right,
Y = point.Y + slope.Down
};
var field = map.GetFieldType(point);
if (!field.HasValue)
{
break;
}
else if (field.Value == FieldType.Tree)
{
trees++;
}
}
return(trees);
}
}
public int CountTrees(Slope slope)
{
var x = 0;
var y = 0;
var trees = 0;
while (y < _lines.Count)
{
var current = _lines[y][x % LINE_LENGTH];
if (current == '#')
{
trees++;
}
x += slope.X;
y -= slope.Y;
}
return(trees);
}