这是一个用python和PYQT4共同编写的一个俄罗斯方块游戏。俄罗斯方块游戏从小就玩，受众很多。但自己动手用Python编写的俄罗斯方块游戏玩起来的感觉很棒。

要用python语言来完成这个游戏，也是需要一个比较长的代码的。你可以分解的来学习这段代码，甚至花上几天的时候。

代码中要涉及到的相关知识点很多，如果你学会了，会上你的python水平更上一层楼的。

Python编写的俄罗斯方块游戏案例源码如下：(供参考！)

#!/usr/bin/python

# tetris.py

import sys

import random

from PyQt4 import QtCore, QtGui

class Tetris(QtGui.QMainWindow):

def __init__(self):

QtGui.QMainWindow.__init__(self)

self.setGeometry(300, 300, 180, 380)

self.setWindowTitle('Tetris')

self.tetrisboard = Board(self)

self.setCentralWidget(self.tetrisboard)

self.statusbar = self.statusBar()

self.connect(self.tetrisboard, QtCore.SIGNAL("messageToStatusbar(QString)"),

self.statusbar, QtCore.SLOT("showMessage(QString)"))

self.tetrisboard.start()

self.center()

def center(self):

screen = QtGui.QDesktopWidget().screenGeometry()

size = self.geometry()

self.move((screen.width()-size.width())/2,

(screen.height()-size.height())/2)

class Board(QtGui.QFrame):

BoardWidth = 10

BoardHeight = 22

Speed = 300

def __init__(self, parent):

QtGui.QFrame.__init__(self, parent)

self.timer = QtCore.QBasicTimer()

self.isWaitingAfterLine = False

self.curPiece = Shape()

self.nextPiece = Shape()

self.curX = 0

self.curY = 0

self.numLinesRemoved = 0

self.board = []

self.setFocusPolicy(QtCore.Qt.StrongFocus)

self.isStarted = False

self.isPaused = False

self.clearBoard()

self.nextPiece.setRandomShape()

def shapeAt(self, x, y):

return self.board[(y * Board.BoardWidth) + x]

def setShapeAt(self, x, y, shape):

self.board[(y * Board.BoardWidth) + x] = shape

def squareWidth(self):

return self.contentsRect().width() / Board.BoardWidth

def squareHeight(self):

return self.contentsRect().height() / Board.BoardHeight

def start(self):

if self.isPaused:

return

self.isStarted = True

self.isWaitingAfterLine = False

self.numLinesRemoved = 0

self.clearBoard()

self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"),

str(self.numLinesRemoved))

self.newPiece()

self.timer.start(Board.Speed, self)

def pause(self):

if not self.isStarted:

return

self.isPaused = not self.isPaused

if self.isPaused:

self.timer.stop()

self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), "paused")

else:

self.timer.start(Board.Speed, self)

self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"),

str(self.numLinesRemoved))

self.update()

def paintEvent(self, event):

painter = QtGui.QPainter(self)

rect = self.contentsRect()

boardTop = rect.bottom() - Board.BoardHeight * self.squareHeight()

for i in range(Board.BoardHeight):

for j in range(Board.BoardWidth):

shape = self.shapeAt(j, Board.BoardHeight - i - 1)

if shape != Tetrominoes.NoShape:

self.drawSquare(painter,

rect.left() + j * self.squareWidth(),

boardTop + i * self.squareHeight(), shape)

if self.curPiece.shape() != Tetrominoes.NoShape:

for i in range(4):

x = self.curX + self.curPiece.x(i)

y = self.curY - self.curPiece.y(i)

self.drawSquare(painter, rect.left() + x * self.squareWidth(),

boardTop + (Board.BoardHeight - y - 1) * self.squareHeight(),

self.curPiece.shape())

def keyPressEvent(self, event):

if not self.isStarted or self.curPiece.shape() == Tetrominoes.NoShape:

QtGui.QWidget.keyPressEvent(self, event)

return

key = event.key()

if key == QtCore.Qt.Key_P:

self.pause()

return

if self.isPaused:

return

elif key == QtCore.Qt.Key_Left:

self.tryMove(self.curPiece, self.curX - 1, self.curY)

elif key == QtCore.Qt.Key_Right:

self.tryMove(self.curPiece, self.curX + 1, self.curY)

elif key == QtCore.Qt.Key_Down:

self.tryMove(self.curPiece.rotatedRight(), self.curX, self.curY)

elif key == QtCore.Qt.Key_Up:

self.tryMove(self.curPiece.rotatedLeft(), self.curX, self.curY)

elif key == QtCore.Qt.Key_Space:

self.dropDown()

elif key == QtCore.Qt.Key_D:

self.oneLineDown()

else:

QtGui.QWidget.keyPressEvent(self, event)

def timerEvent(self, event):

if event.timerId() == self.timer.timerId():

if self.isWaitingAfterLine:

self.isWaitingAfterLine = False

self.newPiece()

else:

self.oneLineDown()

else:

QtGui.QFrame.timerEvent(self, event)

def clearBoard(self):

for i in range(Board.BoardHeight * Board.BoardWidth):

self.board.append(Tetrominoes.NoShape)

def dropDown(self):

newY = self.curY

while newY > 0:

if not self.tryMove(self.curPiece, self.curX, newY - 1):

break

newY -= 1

self.pieceDropped()

def oneLineDown(self):

if not self.tryMove(self.curPiece, self.curX, self.curY - 1):

self.pieceDropped()

def pieceDropped(self):

for i in range(4):

x = self.curX + self.curPiece.x(i)

y = self.curY - self.curPiece.y(i)

self.setShapeAt(x, y, self.curPiece.shape())

self.removeFullLines()

if not self.isWaitingAfterLine:

self.newPiece()

def removeFullLines(self):

numFullLines = 0

rowsToRemove = []

for i in range(Board.BoardHeight):

n = 0

for j in range(Board.BoardWidth):

if not self.shapeAt(j, i) == Tetrominoes.NoShape:

n = n + 1

if n == 10:

rowsToRemove.append(i)

rowsToRemove.reverse()

for m in rowsToRemove:

for k in range(m, Board.BoardHeight):

for l in range(Board.BoardWidth):

self.setShapeAt(l, k, self.shapeAt(l, k + 1))

numFullLines = numFullLines + len(rowsToRemove)

if numFullLines > 0:

self.numLinesRemoved = self.numLinesRemoved + numFullLines

self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"),

str(self.numLinesRemoved))

self.isWaitingAfterLine = True

self.curPiece.setShape(Tetrominoes.NoShape)

self.update()

def newPiece(self):

self.curPiece = self.nextPiece

self.nextPiece.setRandomShape()

self.curX = Board.BoardWidth / 2 + 1

self.curY = Board.BoardHeight - 1 + self.curPiece.minY()

if not self.tryMove(self.curPiece, self.curX, self.curY):

self.curPiece.setShape(Tetrominoes.NoShape)

self.timer.stop()

self.isStarted = False

self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), "Game over")

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 >= Board.BoardWidth or y < 0 or y >= Board.BoardHeight:

return False

if self.shapeAt(x, y) != Tetrominoes.NoShape:

return False

self.curPiece = newPiece

self.curX = newX

self.curY = newY

self.update()

return True

def drawSquare(self, painter, x, y, shape):

colorTable = [0x000000, 0xCC6666, 0x66CC66, 0x6666CC,

0xCCCC66, 0xCC66CC, 0x66CCCC, 0xDAAA00]

color = QtGui.QColor(colorTable[shape])

painter.fillRect(x + 1, y + 1, self.squareWidth() - 2,

self.squareHeight() - 2, color)

painter.setPen(color.light())

2f08

painter.drawLine(x, y + self.squareHeight() - 1, x, y)

painter.drawLine(x, y, x + self.squareWidth() - 1, y)

painter.setPen(color.dark())

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)

#www.iplaypy.com

class Tetrominoes(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 = Tetrominoes.NoShape

self.setShape(Tetrominoes.NoShape)

def shape(self):

return self.pieceShape

def setShape(self, shape):

table = Shape.coordsTable[shape]

for i in range(4):

for j in range(2):

self.coords[i][j] = table[i][j]

self.pieceShape = shape

def setRandomShape(self):

self.setShape(random.randint(1, 7))

def x(self, index):

return self.coords[index][0]

def y(self, index):

return self.coords[index][1]

def setX(self, index, x):

self.coords[index][0] = x

def setY(self, index, y):

self.coords[index][1] = y

def minX(self):

m = self.coords[0][0]

for i in range(4):

m = min(m, self.coords[i][0])

return m

def maxX(self):

m = self.coords[0][0]

for i in range(4):

m = max(m, self.coords[i][0])

return m

def minY(self):

m = self.coords[0][1]

for i in range(4):

m = min(m, self.coords[i][1])

return m

def maxY(self):

m = self.coords[0][1]

for i in range(4):

m = max(m, self.coords[i][1])

return m

def rotatedLeft(self):

if self.pieceShape == Tetrominoes.SquareShape:

return self

result = Shape()

result.pieceShape = self.pieceShape

for i in range(4):

result.setX(i, self.y(i))

result.setY(i, -self.x(i))

return result

def rotatedRight(self):

if self.pieceShape == Tetrominoes.SquareShape:

return self

result = Shape()

result.pieceShape = self.pieceShape

for i in range(4):

result.setX(i, -self.y(i))

result.setY(i, self.x(i))

return result

app = QtGui.QApplication(sys.argv)

tetris = Tetris()

tetris.show()

sys.exit(app.exec_())

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