41 lines
860 B
Swift
41 lines
860 B
Swift
final class Rook: Piece, LinearMoves {
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override var unicodeRepresentation: String {
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return color == .Black ? "♜" : "♖"
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}
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override var pseudoLegalPositions: [Square.Position] {
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return getLinearMoves(from: position)
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}
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override func getLegalPosition() {
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legalPositions = []
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var last: Square.Position? = nil
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for position in pseudoLegalPositions {
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if !isLegal(on: position) {
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last = position
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continue
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}
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if !LinearDirection.isLegal(last: &last, current: position) {
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last = nil
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}
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if last == nil {
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legalPositions.append(position)
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}
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}
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}
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override func isLegal(on pos: Square.Position) -> Bool {
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super.isLegal(on: pos)
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}
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init(with color: Color, on position: Square.Position) {
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super.init(kind: .Rook, on: position, with: color)
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self.color = color
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self.kind = .Rook
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self.position = position
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}
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}
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