public StageCards([NotNull] GameStage stage, [NotNull] CardViewModel[] cards)
{
Contract.Requires(stage != null);
Contract.Requires(cards != null);
_stage = stage;
_cards = cards;
}
public static CardsPositionsInformation GetCardsPositionsInformation(
double fieldWidth,
double fieldHeight,
GameStage stage)
{
const double cardSizeRatio = 3.5 / 2.25;
const double horizontalSpacingRatio = 2.0;
const double verticalSpacingRatio = 3.0;
var numberOfRows = stage.CardsRows.Length;
var maxRowLenght = stage.CardsRows.Max();
var desiredCardWidth = fieldWidth / (maxRowLenght + 2.0 + ((maxRowLenght - 1) / horizontalSpacingRatio));
var desiredCardHeight = fieldHeight / (numberOfRows + 1.0 + ((numberOfRows - 1) / verticalSpacingRatio));
var cardWidth = desiredCardWidth;
var cardHeight = desiredCardWidth * cardSizeRatio;
if (cardSizeRatio > desiredCardHeight)
{
cardHeight = desiredCardHeight;
cardWidth = desiredCardHeight / cardSizeRatio;
}
Contract.Assume(cardWidth > 0);
Contract.Assume(cardHeight > 0);
return new CardsPositionsInformation(
cardWidth,
cardHeight,
cardWidth / horizontalSpacingRatio,
cardHeight / verticalSpacingRatio,
(fieldHeight - numberOfRows * cardHeight - (numberOfRows - 1) * cardHeight / verticalSpacingRatio) / 2.0,
stage.CardsRows.Select(cardsInRow => (fieldWidth - cardsInRow * cardWidth - (cardsInRow - 1) * cardWidth / horizontalSpacingRatio) / 2.0).ToArray()
);
}