public KakuBoxMovingStep(KakuBoxState state, int movingBoxIndex, BoxMovingDirection boxMovingDirection)
: base(state, movingBoxIndex, boxMovingDirection)
{
var movingBox = state[movingBoxIndex];
switch (boxMovingDirection)
{
case BoxMovingDirection.Up:
kakuPushingPoint = new Point(movingBox.X, movingBox.Y - 1);
break;
case BoxMovingDirection.Down:
kakuPushingPoint = new Point(movingBox.X, movingBox.Y + 1);
break;
case BoxMovingDirection.Left:
kakuPushingPoint = new Point(movingBox.X + 1, movingBox.Y);
break;
case BoxMovingDirection.Right:
kakuPushingPoint = new Point(movingBox.X - 1, movingBox.Y);
break;
default: break;
}
}
public BoxMovingStep(BoxState state, int movingBoxIndex, BoxMovingDirection boxMovingDirection)
{
if (state == null)
{
throw new ArgumentNullException("state");
}
if (movingBoxIndex < 0 || movingBoxIndex >= state.BoxCount)
{
throw new ArgumentOutOfRangeException("movingBoxIndex");
}
Orignal = state;
MovingBoxIndex = movingBoxIndex;
MovingDirection = boxMovingDirection;
}
protected override BoxMovingStep MakeStep(int boxIdx, BoxMovingDirection direction)
{
return(new KakuBoxMovingStep(this, boxIdx, direction));
}
protected virtual BoxMovingStep MakeStep(int boxIdx, BoxMovingDirection direction)
{
return(new BoxMovingStep(this, boxIdx, direction));
}
