private void AIMove()
{
VirusNameSpace.Move a = agents[virus.CurrentPlayer].Move(virus);
if (gameWon)
{
return;
}
int x = a.sx;
int y = a.sy;
int tileX = a.ex;
int tileY = a.ey;
byte piece = 0;
Rectangle areaToUpdate;
virus.Move(x, y, tileX, tileY);
piece = virus.Winner;
int smallestX = x < tileX ? x : (tileX - 1);
int smallestY = y < tileY ? y : (tileY - 1);
int greatestX = x > tileX ? x : (tileX + 1);
int greatestY = y > tileY ? y : (tileY + 1);
Point startpoint = new Point(tileSize * smallestX, tileSize * (virus.Size - greatestY - 1));
Size size = new Size((greatestX - smallestX + 1) * tileSize, (greatestY - smallestY + 1) * tileSize);
areaToUpdate = new Rectangle(startpoint, size);
this.Invalidate(areaToUpdate); //tile area
Update();
CheckForWinner(piece);
}