通过pyqt5实现俄罗斯方块游戏例子

# *_* coding:utf-8 *_*

# 开发团队:中国软件开发团队
# 开发人员:Administrator
# 开发时间:2019/3/17 2:13
# 文件名称:RussiaBoard
# 开发工具:PyCharm import sys, random
from PyQt5.QtWidgets import QMainWindow, QFrame, QDesktopWidget, QApplication
from PyQt5.QtCore import Qt, QBasicTimer, pyqtSignal
from PyQt5.QtGui import QPainter, QColor class Tetris(QMainWindow):
def __init__(self):
super().__init__() self.initUI() def initUI(self):
self.tboard = Board(self)
self.setCentralWidget(self.tboard) self.statusbar = self.statusBar()
self.tboard.msg2Statusbar[str].connect(self.statusbar.showMessage) self.tboard.start() self.resize(180, 380)
self.center()
self.setWindowTitle('Tetris')
self.show() def center(self):
screen = QDesktopWidget().screenGeometry()
size = self.geometry()
self.move((screen.width() - size.width()) / 2,
(screen.height() - size.height()) / 2) class Board(QFrame):
msg2Statusbar = 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
self.clearBoard() 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.msg2Statusbar.emit(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.msg2Statusbar.emit("paused") else:
self.timer.start(Board.Speed, self)
self.msg2Statusbar.emit(str(self.numLinesRemoved)) self.update() def paintEvent(self, event): painter = 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 != Tetrominoe.NoShape:
self.drawSquare(painter,
rect.left() + j * self.squareWidth(),
boardTop + i * self.squareHeight(), shape) if self.curPiece.shape() != Tetrominoe.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() == Tetrominoe.NoShape:
super(Board, 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(Board, self).keyPressEvent(event) def timerEvent(self, event): if event.timerId() == self.timer.timerId(): if self.isWaitingAfterLine:
self.isWaitingAfterLine = False
self.newPiece()
else:
self.oneLineDown() else:
super(Board, self).timerEvent(event) def clearBoard(self): for i in range(Board.BoardHeight * Board.BoardWidth):
self.board.append(Tetrominoe.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) == Tetrominoe.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.msg2Statusbar.emit(str(self.numLinesRemoved)) self.isWaitingAfterLine = True
self.curPiece.setShape(Tetrominoe.NoShape)
self.update() def newPiece(self): self.curPiece = Shape()
self.curPiece.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(Tetrominoe.NoShape)
self.timer.stop()
self.isStarted = False
self.msg2Statusbar.emit("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) != Tetrominoe.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 = 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) class Tetrominoe(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 = Tetrominoe.NoShape self.setShape(Tetrominoe.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 rotateLeft(self): if self.pieceShape == Tetrominoe.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 rotateRight(self): if self.pieceShape == Tetrominoe.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 if __name__ == '__main__':
app = QApplication([])
tetris = Tetris()
sys.exit(app.exec_())
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