落子

黑白子交替

//我们定义一个bool值，因为五子棋里总是黑子落地切换白子，白子落地切换黑子，所以每当执行完一次落子，就应该取反bool值
var isblackOrWhite: Bool = true

计算落子的point

//我们定义一个结构体，point代表当前子的横竖列坐标，isblackOrWhite代表当前子为黑子还是摆子
struct Piece {let point: NSPointlet isblackOrWhite: Bool
}

//我们在鼠标落下来捕捉当前鼠标点击区域
override func mouseDown(with event: NSEvent) {super.mouseDown(with: event)//获取鼠标在当前窗口的位置let mousePoint = event.locationInWindowprint("x: \(mousePoint.x), y: \(mousePoint.y)")//如果鼠标超出了我们固定的棋盘大小，则丢弃此次点击时间if (mousePoint.x + 23) > 500 || (mousePoint.y + 23) > 500 {return}//判断触摸的位置在棋盘的交叉点var xPoint: Intvar yPoint: Int//刚好获取列行点xPoint = Int((mousePoint.x)/30)yPoint = Int((mousePoint.y)/30)if containsDuplicate(NSPoint(x: xPoint, y: yPoint)) { return }//刷新棋盘，此时会出发draw方法，重绘棋盘needsDisplay = true
}

功能

判断当前落点是否有相同棋子，并保存

    //判断是否有相同坐标棋子并保存，相同坐标棋子则不做处理private func containsDuplicate(_ point: NSPoint) -> Bool {//判断是否有相同棋子for p in points {let x = p.point.x - point.xlet y = p.point.y - point.y//判断相同点if abs(x * x + y * y) < 0.00001 {return true}}}

    //构建棋子结构体struct Piece {let point: NSPointlet isblackOrWhite: Bool}//储存棋子数组var points: Array<Piece> = []//保存棋子let piece = Piece.init(point: point, isblackOrWhite: isblackOrWhite)points.append(piece)return false

判断输赢

五子棋的输赢极好判断，上下左右及斜边满足五个相同类型棋子就可以获胜，如图所示：

分析

左右分析

右边来讲，棋子x+1，左边来讲棋子x-1。

上下分析

上边来讲，棋子y+1，下边来讲棋子y-1。

斜向分析

左上：棋子x-1,y+1
左下：棋子x-1,y-1
右上：棋子x+1,y+1
右下：棋子x+1,y-1
获得这些信息后，我们可以计算出

override func mouseDown(with event: NSEvent) {super.mouseDown(with: event)let mousePoint = event.locationInWindowprint("x: \(mousePoint.x), y: \(mousePoint.y)")if (mousePoint.x + 23) > 500 || (mousePoint.y + 23) > 500 {return}//判断触摸的位置在棋盘的交叉点var xPoint: Intvar yPoint: IntxPoint = Int((mousePoint.x)/30)yPoint = Int((mousePoint.y)/30)if containsDuplicate(NSPoint(x: xPoint, y: yPoint)) { return }needsDisplay = true//判断输赢if chess_horizontal(xPoint, yPoint, isblackOrWhite) == 5 || chess_vertical(xPoint, yPoint, isblackOrWhite) == 5 || chess_oblique(xPoint, yPoint, isblackOrWhite) == 5 {let alert = NSAlert()alert.addButton(withTitle: "确定")alert.informativeText = "\(isblackOrWhite ? "黑棋" : "白棋")你赢了"alert.messageText = ""alert.alertStyle = .informationalalert.beginSheetModal(for: self.view.window!) { handler inif handler == NSApplication.ModalResponse.alertFirstButtonReturn { }}//置空棋盘isblackOrWhite = truepoints.removeAll()needsDisplay = true}//轮到另一位选手isblackOrWhite = !isblackOrWhite
}private func containsDuplicate(_ point: NSPoint) -> Bool {//判断是否有相同棋子for p in points {let x = p.point.x - point.xlet y = p.point.y - point.yif abs(x * x + y * y) < 0.00001 {return true}}let piece = Piece.init(point: point, isblackOrWhite: isblackOrWhite)points.append(piece)return false
}private func chess_horizontal(_ chessX: Int ,_ chessY: Int, _ isblackOrWhite: Bool) -> Int {var count = 0 //定义一个棋子的判断器var pieces: Array<Piece> = []for p in points {if p.isblackOrWhite == isblackOrWhite && Int(p.point.y) == chessY { pieces.append(p) }}for i in 0..<5 {//向右判断for piece in pieces {if chessX+i == Int(piece.point.x) {count += 1if count == 5 {return count}}}}for i in 1..<5 {//向左判断for piece in pieces {if chessX-i == Int(piece.point.x) {count += 1if count == 5 {return count}}}}return 0
}private func chess_vertical(_ chessX: Int ,_ chessY: Int, _ isblackOrWhite: Bool) -> Int {var count = 0 //定义一个棋子的判断器var pieces: Array<Piece> = []for p in points {if p.isblackOrWhite == isblackOrWhite && Int(p.point.x) == chessX { pieces.append(p) }}for i in 0..<5 {//向上判断for piece in pieces {if chessY+i == Int(piece.point.y) {count += 1if count == 5 {return count}}}}for i in 1..<5 {//向左判断for piece in pieces {if chessY-i == Int(piece.point.y) {count += 1if count == 5 {return count}}}}return 0
}private func chess_oblique(_ chessX: Int ,_ chessY: Int, _ isblackOrWhite: Bool) -> Int{var count = 0 //定义一个棋子的判断器var pieces: Array<Piece> = []for p in points {if p.isblackOrWhite == isblackOrWhite { pieces.append(p) }}for i in 0..<5 {//右上方向判断for piece in pieces {if chessX+i == Int(piece.point.x) && chessY+i == Int(piece.point.y) {count += 1if count == 5 {return count}}}}for i in 1..<5 {//右下判断for piece in pieces {if chessX+i == Int(piece.point.x) && chessY-i == Int(piece.point.y) {count += 1if count == 5 {return count}}}}for i in 1..<5 {//左上判断for piece in pieces {if chessX-i == Int(piece.point.x) && chessY+i == Int(piece.point.y) {count += 1if count == 5 {return count}}}}for i in 1..<5 {//左下判断for piece in pieces {if chessX-i == Int(piece.point.x) && chessY-i == Int(piece.point.y) {count += 1if count == 5 {return count}}}}return 0
}

//合并判断方法
//判断输赢
if chess_horizontal(xPoint, yPoint, isblackOrWhite) == 5 || chess_vertical(xPoint, yPoint, isblackOrWhite) == 5 || chess_oblique(xPoint, yPoint, isblackOrWhite) == 5 {let alert = NSAlert()alert.addButton(withTitle: "确定")alert.informativeText = "\(isblackOrWhite ? "黑棋" : "白棋")你赢了"alert.messageText = ""alert.alertStyle = .informationalalert.beginSheetModal(for: self.view.window!) { handler inif handler == NSApplication.ModalResponse.alertFirstButtonReturn { }}//置空棋盘isblackOrWhite = truepoints.removeAll()needsDisplay = true
}

悔棋

    //撤销上一步动作@IBAction func undoAction(_ sender: Any) {if points.count != 0 {//如果棋子数组不为0，删除最后一个棋子并刷新棋盘points.removeLast()needsDisplay = true//记住撤销上一部动作后，白黑棋子必须交替。isblackOrWhite = !isblackOrWhite}else {let alert = NSAlert()alert.addButton(withTitle: "确定")alert.informativeText = "没有棋子，无法悔棋"alert.messageText = ""alert.alertStyle = .informationalalert.beginSheetModal(for: self.view.window!) { handler inif handler == NSApplication.ModalResponse.alertFirstButtonReturn { }}}}

重开游戏

    @IBAction func reStartAction(_ sender: Any) {if points.count == 0 { return }let alert = NSAlert()alert.addButton(withTitle: "确定")alert.addButton(withTitle: "取消")alert.informativeText = "重开游戏"alert.messageText = ""alert.alertStyle = .informationalalert.beginSheetModal(for: self.view.window!) { [self] handler inif handler == NSApplication.ModalResponse.alertFirstButtonReturn {//清空所有棋子并刷新棋盘points.removeAll()isblackOrWhite = trueneedsDisplay = true}}}

demo链接

链接: 五子棋

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macOS swift下使用贝塞尔曲线制作五子棋盘（2）

macOS swift下使用贝塞尔曲线制作五子棋盘（2）

落子

黑白子交替

计算落子的point

功能

判断当前落点是否有相同棋子，并保存

判断输赢

分析

左右分析

上下分析

斜向分析

悔棋

重开游戏

demo链接

macOS swift下使用贝塞尔曲线制作五子棋盘（2）相关推荐

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