玩俄罗斯方块吗?教你用Python制作俄罗斯方块![Python基础]
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本文来自腾讯云,作者:Python小二
在那个电子产品比较匮乏的年代,小游戏机
还是为数不多的游戏类电子产品,对小孩子更是有着不可抗拒的魔力,在当时如果哪个小孩买了一个小游戏机,大伙一定迅速围上去…
俄罗斯方块作为其中一款小游戏,尽管规则简单、只有黑白双色,但其对当时游戏玩家的影响丝毫不亚于 LOL、农药、吃鸡对现在游戏玩家的影响,下面我们来看一下如何用 Python 实现俄罗斯方块这款小游戏。
规则
由小方块组成的不同形状的板块陆续从屏幕上方落下来,玩家通过调整板块的位置和方向,使它们在屏幕底部拼出完整的一条或几条。这些完整的横条会随即消失,给新落下来的板块腾出空间,与此同时,玩家得到分数奖励。没有被消除掉的方块不断堆积起来,一旦堆到屏幕顶端,玩家便告输,游戏结束。
— 百度百科
环境
- 操作系统:Windows
- Python 版本:3.6
- 涉及模块:sys、random、PyQt5
实现
首先安装第三方模块 PyQt5,使用 pip install PyQt5 即可。
➢ 游戏主界面
实现代码
from PyQt5.QtWidgets import *from PyQt5.QtCore import *
import sys
class MainBoard(QFrame):
msg = pyqtSignal(str)
BoardWidth = 10
BoardHeight = 22
Speed = 300
def__init__(self, parent):
super().__init__(parent)
self.initBoard()
def initBoard(self):
self.timer = QBasicTimer()
self.isWaitingAfterLine = False
self.curX = 0
self.curY = 0
self.numLinesRemoved = 0
self.board = []
self.setFocusPolicy(Qt.StrongFocus)
self.isStarted = False
self.isPaused = False
效果图如下
➢ 小板块
定义小版块的形状
class ShapeForm(object):NoShape
= 0ZShape
= 1SShape
= 2LineShape
= 3TShape
= 4SquareShape
= 5LShape
= 6MirroredLShape
= 7class Shape(object):
coordsTable = (
((0, 0), (0, 0), (0, 0), (0, 0)),
((0, -1), (0, 0), (-1, 0), (-1, 1)),
((0, -1), (0, 0), (1, 0), (1, 1)),
((0, -1), (0, 0), (0, 1), (0, 2)),
((-1, 0), (0, 0), (1, 0), (0, 1)),
((0, 0), (1, 0), (0, 1), (1, 1)),
((-1, -1), (0, -1), (0, 0), (0, 1)),
((1, -1), (0, -1), (0, 0), (0, 1))
)
def__init__(self):
self.coords = [[0,0] for i in range(4)]
self.pieceShape = ShapeForm.NoShape
self.setShape(ShapeForm.NoShape)
画出图形
def drawSquare(self, painter, x, y, shape):colorTable
= [0x000000, 0xCC6666, 0x66CC66, 0x6666CC,0xCCCC66, 0xCC66CC, 0x66CCCC, 0xDAAA00]color
= QColor(colorTable[shape])painter.fillRect(x
+ 1, y + 1, self.squareWidth() - 2,self.squareHeight()
- 2, color)painter.setPen(color.lighter())
painter.drawLine(x, y
+ self.squareHeight() - 1, x, y)painter.drawLine(x, y, x
+ self.squareWidth() - 1, y)painter.setPen(color.darker())
painter.drawLine(x
+ 1, y + self.squareHeight() - 1,x
+ self.squareWidth() - 1, y + self.squareHeight() - 1)painter.drawLine(x
+ self.squareWidth() - 1,y
+ self.squareHeight() - 1, x + self.squareWidth() - 1, y + 1)
效果图如下
➢ 按键事件
def keyPressEvent(self, event):ifnot self.isStarted or self.curPiece.shape() == ShapeForm.NoShape:super(MainBoard, self).keyPressEvent(event)
returnkey
= event.key()if key == Qt.Key_P:self.pause()
returnif self.isPaused:
return
elif key == Qt.Key_Left:
self.tryMove(self.curPiece, self.curX - 1, self.curY)
elif key == Qt.Key_Right:
self.tryMove(self.curPiece, self.curX + 1, self.curY)
elif key == Qt.Key_Down:
self.tryMove(self.curPiece.rotateRight(), self.curX, self.curY)
elif key == Qt.Key_Up:
self.tryMove(self.curPiece.rotateLeft(), self.curX, self.curY)
elif key == Qt.Key_Space:
self.dropDown()
elif key == Qt.Key_D:
self.oneLineDown()
else:
super(MainBoard, self).keyPressEvent(event)
def tryMove(self, newPiece, newX, newY):
for i in range(4):
x = newX + newPiece.x(i)
y = newY - newPiece.y(i)
if x < 0 or x >= MainBoard.BoardWidth or y < 0 or y >= MainBoard.BoardHeight:
return False
if self.shapeAt(x, y) != ShapeForm.NoShape:
return False
self.curPiece = newPiece
self.curX = newX
self.curY = newY
self.update()
return True
➢ 计时器事件
def timerEvent(self, event):if event.timerId() == self.timer.timerId():if self.isWaitingAfterLine:self.isWaitingAfterLine
= Falseself.newPiece()
else:self.oneLineDown()
else:super(MainBoard, self).timerEvent(event)
➢ 开始和暂停
def start(self):if self.isPaused:returnself.isStarted
= Trueself.isWaitingAfterLine
= Falseself.numLinesRemoved
= 0self.clearBoard()
self.msg.emit(str(self.numLinesRemoved))
self.newPiece()
self.timer.start(MainBoard.Speed, self)
def pause(self):ifnot self.isStarted:returnself.isPaused
= not self.isPausedif self.isPaused:self.timer.stop()
self.msg.emit(“paused”)
else:self.timer.start(MainBoard.Speed, self)
self.msg.emit(str(self.numLinesRemoved))
self.update()
➢ 游戏类及初始化
class Tetris(QMainWindow):def__init__(self):super().
__init__()self.initUI()
def initUI(self):self.tboard
= MainBoard(self)self.setCentralWidget(self.tboard)
self.statusbar
= self.statusBar()self.tboard.msg[str].connect(self.statusbar.showMessage)
self.tboard.start()
self.resize(
300, 500)self.center()
self.setWindowTitle(
"俄罗斯方块")self.show()
def center(self):screen
= QDesktopWidget().screenGeometry()size
= self.geometry()self.move((screen.width()
-size.width())/2,(screen.height()
-size.height())/2)
启动
if__name__ == "__main__":app
= QApplication([])tetris
= Tetris()sys.exit(app.exec_())
最终效果
打包
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