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case 3 where cell.state == .dead: | |
let liveCell = Cell(x: cell.x, y: cell.y, state: .alive) | |
updatedCells.append(liveCell) |
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let livingNeighbors = liveCells.filter { $0.isNeighbor(to: cell) } |
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switch livingNeighbors.count { | |
case 2...3 where cell.state == .alive: | |
updatedCells.append(cell) | |
} |
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var updatedCells = [Cell]() | |
let liveCells = cells.filter { $0.state == .alive } | |
for cell in cells { | |
} | |
cells = updatedCells |
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let view = WorldView(worldSize: 10, cellSize: 10) | |
PlaygroundPage.current.liveView = view |
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for cell in world.cells { | |
let rect = CGRect(x: cell.x * cellSize, y: cell.y * cellSize, width: cellSize, height: cellSize) | |
let color = cell.state == .alive ? UIColor.green.cgColor : UIColor.white.cgColor | |
context?.addRect(rect) | |
context?.setFillColor(color) | |
context?.fill(rect) | |
} |
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let context = UIGraphicsGetCurrentContext() | |
context?.saveGState() |
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public override func draw(_ rect: CGRect) { | |
} |
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public override init(frame: CGRect) { | |
super.init(frame: frame) | |
} |
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public required init?(coder aDecoder: NSCoder) { | |
fatalError("Not implemented") | |
} |