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使用kotlin怎么實(shí)現(xiàn)一個(gè)五子棋單機(jī)游戲?相信很多沒有經(jīng)驗(yàn)的人對此束手無策,為此本文總結(jié)了問題出現(xiàn)的原因和解決方法,通過這篇文章希望你能解決這個(gè)問題。
五子棋界面
package wjc.kotlintest import android.content.Context import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint import android.util.AttributeSet import android.view.View class MyCustomView : View { var paint: Paint = Paint() var paintWhite: Paint = Paint() var paintBlack: Paint = Paint() val H: Int = 12 val V: Int = 12 var list = arrayListOf<Data>()//白子和黑子 var listW = arrayListOf<Data>()//白子 var listB = arrayListOf<Data>()//黑子 var wSuccess: Boolean = false //白旗獲勝標(biāo)志 var bSuccess: Boolean = false //黑棋獲勝標(biāo)志 init { paintWhite.color = Color.WHITE paintWhite.style = Paint.Style.FILL paintBlack.color = Color.BLACK paintBlack.style = Paint.Style.FILL } constructor(context: Context) : this(context, null) constructor(context: Context, attr: AttributeSet?) : this(context, attr, 0) constructor(context: Context, attr: AttributeSet?, defStyleAttr: Int) : super(context, attr, defStyleAttr) override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { super.onMeasure(widthMeasureSpec, heightMeasureSpec) val widthMode: Int = MeasureSpec.getMode(widthMeasureSpec) val widthSize: Int = MeasureSpec.getSize(widthMeasureSpec) val heightMode: Int = MeasureSpec.getMode(heightMeasureSpec) val heightSize: Int = MeasureSpec.getSize(heightMeasureSpec) if (widthMode == MeasureSpec.AT_MOST && heightMode == MeasureSpec.AT_MOST) { setMeasuredDimension(760, 760) } else if (widthMode == MeasureSpec.AT_MOST) { setMeasuredDimension(760, heightSize) } else if (heightMode == MeasureSpec.AT_MOST) { setMeasuredDimension(widthSize, 760) } } override fun draw(canvas: Canvas?) { super.draw(canvas) for (i in 0..H) { canvas!!.drawLine(20f, 20f + 60 * i, 740f, 20f + 60 * i, paint) } for (j in 0..V) { canvas!!.drawLine(20f + 60 * j, 20f, 20f + 60 * j, 740f, paint) } if (listW.size != 0) { for (item in listW) { canvas!!.drawCircle(item.point.x * 60 + 20f, item.point.y * 60 + 20f, 15f, paintWhite) } } if (listB.size != 0) { for (item in listB) { canvas!!.drawCircle(item.point.x * 60 + 20f, item.point.y * 60 + 20f, 15f, paintBlack) } } } fun addData(data: Data) { if (list.size == 0) { list.add(data) listW.add(data) return } if (!select(data)) { list.add(data) if (listW.size == listB.size) { //白旗是否獲勝 wSuccess = isSuccess(data, listW) //白旗走 listW.add(data) } else { //黑棋是否獲勝 bSuccess = isSuccess(data, listB) //黑棋走 listB.add(data) } } } fun select(data: Data): Boolean { for (item in list) { if (data.equals(item)) return true } return false } fun isSuccess(data: Data, arry: List<Data>): Boolean { return horizontalErgodic(data, arry) || verticalErgodic(data, arry) || acrossErgodic(data, arry) } //橫向遍歷 fun horizontalErgodic(data: Data, arry: List<Data>): Boolean { //記錄連續(xù)的棋子數(shù),湊成5個(gè)即一方獲勝 var rn = 0 var ln = 0 //向右遍歷,y相同,x遞增 for (i in 1..5) { var _rn: Int = i for (item in arry) { if (data.point.y == item.point.y) { if (data.point.x + i == item.point.x) { rn++ break } } } if (_rn != rn) { break } } //一方獲勝,游戲結(jié)束 if (rn == 4) { return true } //向左遍歷,y相同,x遞減 for (i in 1..5) { var _ln: Int = i for (item in arry) { if (data.point.y == item.point.y && data.point.x - i == item.point.x) { ln++ break } } if (_ln != ln) { break } } //一方獲勝,游戲結(jié)束 if (ln == 4) { return true } //向左向右 return ln + rn >= 4 } //縱向遍歷 fun verticalErgodic(data: Data, arry: List<Data>): Boolean { //記錄連續(xù)的棋子數(shù),湊成5個(gè)即一方獲勝 var tn = 0 var bn = 0 //向上遍歷,x相同,y遞增 for (i in 1..5) { val _tn: Int = i for (item in arry) { if (data.point.x == item.point.x && data.point.y + i == item.point.y) { tn++ break } } if (_tn != tn) { break } } //一方獲勝,游戲結(jié)束 if (tn == 4) { return true } //向下遍歷,x相同,y遞減 for (i in 1..5) { val _bn: Int = i for (item in arry) { if (data.point.x == item.point.x && data.point.y - i == item.point.y) { bn++ break } } if (_bn != bn) { break } } if (bn == 4) { return true } //向左向右 return bn + tn >= 4 } //對角遍歷 fun acrossErgodic(data: Data, arry: List<Data>): Boolean { var lt = 0 //左上方向連續(xù)棋子個(gè)數(shù) var lb = 0 //左下方向連續(xù)棋子個(gè)數(shù) var rt = 0 //右上方向連續(xù)棋子個(gè)數(shù) var rb = 0 //右下方向連續(xù)棋子個(gè)數(shù) //右下方向遍歷 for (i in 1..5) { val _rb: Int = i for (item in arry) { if (data.point.x + i == item.point.x && data.point.y + i == item.point.y) { rb++ break } } if (_rb != rb) { break } } if (rb == 4) { return true } //左上方向遍歷 for (i in 1..5) { val _lt: Int = i for (item in arry) { if (data.point.x - i == item.point.x && data.point.y - i == item.point.y) { lt++ break } } if (_lt != lt) { break } } if (lt == 4) { return true } //左上右下這條對角線 if (lt + rb >= 4) { return true } //右上遍歷 for (i in 1..5) { val _rt: Int = i for (item in arry) { if (data.point.x + i == item.point.x && data.point.y - i == item.point.y) { rt++ break } } if (_rt != rt) { break } } if (rt == 4) { return true } //左下遍歷 for (i in 1..5) { val _lb: Int = i for (item in arry) { if (data.point.x - i == item.point.x && data.point.y + i == item.point.y) { lb++ break } } if (_lb != lb) { break } } if (lb == 4) { return true } //左下右上這條對角線 return lb + rt >= 4 } fun reset() { list.clear() listW.clear() listB.clear() wSuccess = false bSuccess = false } }
主界面
package wjc.kotlintest import android.graphics.Point import android.support.v7.app.AppCompatActivity import android.os.Bundle import android.view.MotionEvent import android.widget.Toast import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) custom_view.setOnTouchListener { v, e -> when (e.action) { MotionEvent.ACTION_DOWN -> { val x = e.x val y = e.y val x_n: Int = ((x - 20) / 60f + 0.5f).toInt() val y_n: Int = ((y - 20) / 60f + 0.5f).toInt() val data = Data(Point(x_n, y_n)) custom_view.addData(data) custom_view.invalidate() if (custom_view.wSuccess) { Toast.makeText(this, "白旗獲勝!", Toast.LENGTH_LONG).show() custom_view.setEnabled(false) } else if (custom_view.bSuccess) { Toast.makeText(this, "黑棋獲勝!", Toast.LENGTH_LONG).show() custom_view.setEnabled(false) } } } return@setOnTouchListener true } reset.setOnClickListener { custom_view.reset() custom_view.invalidate() custom_view.setEnabled(true) } } }
數(shù)據(jù)類
package wjc.kotlintest import android.graphics.Point data class Data(val point: Point) { override fun equals(other: Any?): Boolean { if (other is Data) { if (point.x == other.point.x && point.y == other.point.y) { return true } else { return false } } else { return false } } }
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