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_())
posted @ 2019-03-23 18:40  中国人醒来了  阅读(658)  评论(0编辑  收藏  举报