今回の内容
テトリスを見つけました。http://wxpython.at-ninja.jp/thetetrisgame.html
ですが、今のバージョンで実行しようとすると、矢印キーが反応しなかったり、エラーが出たりするので、
少しコードを改善させていただいて、この記事にのせたいと思います。
具体的に何を変えたのか
・パネルに対して、矢印キーが反応しないことへの対処・操作方法の変更 (分かりやすいように)
・警告への対処 (float形式をintへ。)
ソースコード
#! /usr/bin/env python
# tetris.py
import wx
import random
import math
class Tetris(wx.Frame):
def __init__(self, parent, id, title):
wx.Frame.__init__(self, parent, id, title, size=(180, 380))
self.statusbar = self.CreateStatusBar()
self.statusbar.SetStatusText('0')
self.board = Board(self)
self.board.SetFocus()
self.board.start()
self.Centre()
self.Show(True)
class Board(wx.Panel):
BoardWidth = 10
BoardHeight = 22
Speed = 300
ID_TIMER = 1
def __init__(self, parent):
wx.Panel.__init__(self, parent,style=wx.SUNKEN_BORDER)
self.timer = wx.Timer(self, Board.ID_TIMER)
self.isWaitingAfterLine = False
self.curPiece = Shape()
self.nextPiece = Shape()
self.curX = 0
self.curY = 0
self.numLinesRemoved = 0
self.board = []
self.isStarted = False
self.isPaused = False
self.Bind(wx.EVT_PAINT, self.OnPaint)
self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
self.Bind(wx.EVT_TIMER, self.OnTimer, id=Board.ID_TIMER)
self.clearBoard()
def shapeAt(self, x, y):
return self.board[int(y * Board.BoardWidth) + int(x)]
def setShapeAt(self, x, y, shape):
self.board[int(y * Board.BoardWidth) + int(x)] = shape
def squareWidth(self):
return self.GetClientSize().GetWidth() / Board.BoardWidth
def squareHeight(self):
return self.GetClientSize().GetHeight() / Board.BoardHeight
def start(self):
if self.isPaused:
return
self.isStarted = True
self.isWaitingAfterLine = False
self.numLinesRemoved = 0
self.clearBoard()
self.newPiece()
self.timer.Start(Board.Speed)
def pause(self):
if not self.isStarted:
return
self.isPaused = not self.isPaused
statusbar = self.GetParent().statusbar
if self.isPaused:
self.timer.Stop()
statusbar.SetStatusText('paused')
else:
self.timer.Start(Board.Speed)
statusbar.SetStatusText(str(self.numLinesRemoved))
self.Reflesh()
def clearBoard(self):
for i in range(Board.BoardHeight * Board.BoardWidth):
self.board.append(Tetrominoes.NoShape)
def OnPaint(self, event):
dc = wx.PaintDC(self)
size = self.GetClientSize()
boardTop = size.GetHeight() - 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(dc,
0 + 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(dc, 0 + x * self.squareWidth(),
boardTop + (Board.BoardHeight - y - 1) * self.squareHeight(),
self.curPiece.shape())
def OnKeyDown(self, event):
if not self.isStarted or self.curPiece.shape() == Tetrominoes.NoShape:
event.Skip()
return
keycode = event.GetKeyCode()
if keycode == ord('P') or keycode == ord('p'):
self.pause()
return
if self.isPaused:
return
elif keycode == wx.WXK_LEFT:
self.tryMove(self.curPiece, self.curX - 1, self.curY)
elif keycode == wx.WXK_RIGHT:
self.tryMove(self.curPiece, self.curX + 1, self.curY)
elif keycode == wx.WXK_UP:
self.tryMove(self.curPiece.rotatedLeft(), self.curX, self.curY)
elif keycode == wx.WXK_SPACE:
self.dropDown()
elif keycode == wx.WXK_DOWN:
self.oneLineDown()
else:
event.Skip()
def OnTimer(self, event):
if event.GetId() == Board.ID_TIMER:
if self.isWaitingAfterLine:
self.isWaitingAfterLine = False
self.newPiece()
else:
self.oneLineDown()
else:
event.Skip()
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
statusbar = self.GetParent().statusbar
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 += len(rowsToRemove)
if numFullLines > 0:
self.numLinesRemoved += numFullLines
statusbar.SetStatusText(str(self.numLinesRemoved))
self.isWaitingAfterLine = True
self.curPiece.setShape(Tetrominoes.NoShape)
self.Refresh()
def newPiece(self):
self.curPiece = self.nextPiece
statusbar = self.GetParent().statusbar
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
statusbar.SetStatusText('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.Refresh()
return True
def drawSquare(self, dc, x, y, shape):
colors = ['#000000', '#cc6666', '#66cc66', '#6666cc',
'#cccc66', '#cc66cc', '#66cccc', '#daaa00']
light = ['#000000', '#f89fab', '#79fc79', '#7979fc',
'#fcfc79', '#fc79fc', '#79fcfc', '#fcc600']
dark = ['#000000', '#803c3b', '#3b803b', '#3b3b80',
'#80803b', '#803b80', '#3b8080', '#806200']
pen = wx.Pen(light[shape])
pen.SetCap(wx.CAP_PROJECTING)
dc.SetPen(pen)
dc.DrawLine(int(x), int(y + self.squareHeight() - 1), int(x), int(y))
dc.DrawLine(int(x), int(y), int(x + self.squareWidth() - 1), int(y))
darkPen = wx.Pen(dark[shape])
darkPen.SetCap(wx.CAP_PROJECTING)
dc.SetPen(darkPen)
dc.DrawLine(int(x + 1), int(y + self.squareHeight() - 1),
int(x + self.squareWidth() - 1), int(y + self.squareHeight() - 1))
dc.DrawLine(int(x + self.squareWidth() - 1), int(y + self.squareHeight() -1),
int(x + self.squareWidth() - 1), int(y + 1))
dc.SetPen(wx.TRANSPARENT_PEN)
dc.SetBrush(wx.Brush(colors[shape]))
dc.DrawRectangle(int(x + 1), int(y + 1), int(self.squareWidth() - 2),
int(self.squareHeight() - 2))
class Tetrominoes(object):
NoShape = 0
ZShape = 1
SShape = 2
LineShape = 3
TShape = 4
SquareShape = 5
LShape = 6
MirroredLShape = 7
class Shape(object):
coordTable = (
((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.coordTable[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.coord[0][0]
for i in range(4):
m = min(m, self.coords[i][0])
return m
def maxX(self):
m = self.coord[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 = wx.App()
Tetris(None, -1, 'tetris.py')
app.MainLoop()
操作方法
→ 右に移動← ←に移動
↑ 回転
↓ 1つ下に落とす
スペース 完全に落とす
動作環境
Windows 10Python 3.9.5
64bit
wxPython4.1.1a1
コメント大歓迎です。
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