在那个电子产品比拟匮乏的年代,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,在过后如果哪个小孩买了一个小游戏机,大伙肯定迅速围上去 …
俄罗斯方块作为其中一款小游戏,只管规定简略、只有黑白双色,但其对过后游戏玩家的影响丝毫不亚于 LOL、农药、吃鸡对当初游戏玩家的影响,上面咱们来看一下如何用 Python 实现俄罗斯方块这款小游戏。
规定
由小方块组成的不同形态的板块陆续从屏幕上方落下来,玩家通过调整板块的地位和方向,使它们在屏幕底部拼出残缺的一条或几条。这些残缺的横条会随即隐没,给新落下来的板块腾出空间,与此同时,玩家失去分数处分。没有被打消掉的方块一直堆积起来,一旦堆到屏幕顶端,玩家便告输,游戏完结。— 百度百科
环境
- 操作系统:Windows
- Python 版本:3.6
- 波及模块:sys、random、PyQt5
实现
首先装置第三方模块 PyQt5,应用 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
定义小版块的形态
class ShapeForm(object):
NoShape = 0
ZShape = 1
SShape = 2
LineShape = 3
TShape = 4
SquareShape = 5
LShape = 6
MirroredLShape = 7
class 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):
if not self.isStarted or self.curPiece.shape() == ShapeForm.NoShape:
super(MainBoard, self).keyPressEvent(event)
return
key = event.key()
if key == Qt.Key_P:
self.pause()
return
if 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 = False
self.newPiece()
else:
self.oneLineDown()
else:
super(MainBoard, self).timerEvent(event)
➢ 开始和暂停
def start(self):
if self.isPaused:
return
self.isStarted = True
self.isWaitingAfterLine = False
self.numLinesRemoved = 0
self.clearBoard()
self.msg.emit(str(self.numLinesRemoved))
self.newPiece()
self.timer.start(MainBoard.Speed, self)
def pause(self):
if not self.isStarted:
return
self.isPaused = not self.isPaused
if 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_())
最终成果
打包
为了不便运行,咱们将 Python 文件打成 exe 文件,用到的插件为 pyinstaller。
首先,装置 pyinstaller,应用 pip install pyinstaller
即可。装置实现后,在文件目录
关上命令窗口,在命令窗口执行命令 pyinstaller --onefile --nowindowed --icon="C:\Users\LE\Desktop\tetris\tetris.ico" tetris.py
即可。执行实现后,咱们到 dist 目录下
即可找到生成的 exe 文件。
源码在公众号 Python 小二 后盾回复 g1 获取。