public void TestRotate3()
{
var point = new Point(4, 3);
var pivot = new Point(2, 4);
var actual = point.RotateClockwise(pivot);
Assert.AreEqual(4, actual.Col);
Assert.AreEqual(6, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(1, actual.Col);
Assert.AreEqual(7, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(-1, actual.Col);
Assert.AreEqual(5, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(0, actual.Col);
Assert.AreEqual(2, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(2, actual.Col);
Assert.AreEqual(1, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(4, actual.Col);
Assert.AreEqual(3, actual.Row);
}
public void TestRotate()
{
var point = new Point(-1, 0);
var pivot = new Point(0, 0);
var actual = point.RotateClockwise(pivot);
Assert.AreEqual(-1, actual.Col);
Assert.AreEqual(-1, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(0, actual.Col);
Assert.AreEqual(-1, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(1, actual.Col);
Assert.AreEqual(0, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(0, actual.Col);
Assert.AreEqual(1, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(-1, actual.Col);
Assert.AreEqual(1, actual.Row);
actual = actual.RotateClockwise(pivot);
Assert.AreEqual(-1, actual.Col);
Assert.AreEqual(0, actual.Row);
}
private int CalcDensity(Board board, Point[] points)
{
var ret = 0;
for (int i = 0; i < points.Length; i++)
{
var point = points[i];
for (int dx = -1; dx <= 1; dx++)
{
for (int dy = -1; dy <= 1; dy++)
{
int ni = point.Row + dx, nj = point.Col + dy;
if (0 <= ni && ni < board.Height &&
0 <= nj && nj < board.Width)
{
if (board.Field[ni][nj] == CellState.Free)
continue;
if (IsNeighbors(point, nj, ni))
{
ret++;
}
}
}
}
}
return ret;
}
public Unit(Point[] points, Point pivotPoint)
{
var row = points.Min(x => x.Row);
var minCol = points.Min(x => x.Col);
Points = points.Select(p => p.Move(new Point(minCol, row), new Point(0, 0))).ToArray();
PivotPoint = pivotPoint.Move(new Point(minCol, row), new Point(0, 0));
}
public static Unit Create(Point pivotPoint, Point[] points)
{
return new Unit(points, pivotPoint);
}
private bool IsNeighbors(Point point1, int col2, int row2)
{
var point2 = new Point(col2, row2);
if (Commands.Any(c => point1.MakeStep(c).Equals(point2.Row, point2.Col)))
return true;
if (Commands.Any(c => point2.MakeStep(c).Equals(point1.Row, point1.Col)))
return true;
return false;
}