俄罗斯方块游戏

用python+PYQT4写的一个俄罗斯方块游戏

#!/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())
        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)
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_())

收藏了，正准备找一个这样的源码看看呢
楼主能不能把具体的运行方式再贴出来，需要什么库之类的
谢谢！

运行环境是python 2.6 + pyqt4

pyqt4在以下网址下载：
http://www.riverbankcomputing.co.uk/software/pyqt/download

安装以上软件之后，用python shell 直接运行就可以