import tkinter as tk
from tkinter import messagebox
import random
cell_size = 30
C = 12
R = 20
height = R * cell_size
width = C * cell_size
FPS = 200 # 刷新页面的毫秒间隔
# 定义各种形状
SHAPES = {
"O": [(-1, -1), (0, -1), (-1, 0), (0, 0)],
"S": [(-1, 0), (0, 0), (0, -1), (1, -1)],
"T": [(-1, 0), (0, 0), (0, -1), (1, 0)],
"I": [(0, 1), (0, 0), (0, -1), (0, -2)],
"L": [(-1, 0), (0, 0), (-1, -1), (-1, -2)],
"J": [(-1, 0), (0, 0), (0, -1), (0, -2)],
"Z": [(-1, -1), (0, -1), (0, 0), (1, 0)],
}
# 定义各种形状的颜色
SHAPESCOLOR = {
"O": "blue",
"S": "red",
"T": "yellow",
"I": "green",
"L": "purple",
"J": "orange",
"Z": "Cyan",
}
def draw_cell_by_cr(canvas, c, r, color="#CCCCCC"):
"""
:param canvas: 画板，用于绘制一个方块的Canvas对象
:param c: 方块所在列
:param r: 方块所在行
:param color: 方块颜色，默认为#CCCCCC，轻灰色
:return:
"""
x0 = c * cell_size
y0 = r * cell_size
x1 = c * cell_size + cell_size
y1 = r * cell_size + cell_size
canvas.create_rectangle(x0, y0, x1, y1,
fill=color, outline="white", width=2)
# 绘制面板
def draw_board(canvas, block_list):
for ri in range(R):
for ci in range(C):
cell_type = block_list[ri][ci]
if cell_type:
draw_cell_by_cr(canvas, ci, ri, SHAPESCOLOR[cell_type])
else:
draw_cell_by_cr(canvas, ci, ri)
def draw_cells(canvas, c, r, cell_list, color="#CCCCCC"):
"""
绘制指定形状指定颜色的俄罗斯方块
:param canvas: 画板
:param r: 该形状设定的原点所在的行
:param c: 该形状设定的原点所在的列
:param cell_list: 该形状各个方格相对自身所处位置
:param color: 该形状颜色
:return:
"""
for cell in cell_list:
cell_c, cell_r = cell
ci = cell_c + c
ri = cell_r + r
# 判断该位置方格在画板内部(画板外部的方格不再绘制)
if 0 <= c < C and 0 <= r < R:
draw_cell_by_cr(canvas, ci, ri, color)
win = tk.Tk()
canvas = tk.Canvas(win, width=width, height=height, )
canvas.pack()
block_list = []
for i in range(R):
i_row = ['' for j in range(C)]
block_list.append(i_row)
draw_board(canvas, block_list)
def draw_block_move(canvas, block, direction=[0, 0]):
"""
绘制向指定方向移动后的俄罗斯方块
:param canvas: 画板
:param block: 俄罗斯方块对象
:param direction: 俄罗斯方块移动方向
:return:
"""
shape_type = block['kind']
c, r = block['cr']
cell_list = block['cell_list']
# 移动前，先清除原有位置绘制的俄罗斯方块,也就是用背景色绘制原有的俄罗斯方块
draw_cells(canvas, c, r, cell_list)
dc, dr = direction
new_c, new_r = c+dc, r+dr
block['cr'] = [new_c, new_r]
# 在新位置绘制新的俄罗斯方块就好
draw_cells(canvas, new_c, new_r, cell_list, SHAPESCOLOR[shape_type])
def generate_new_block():
# 随机生成新的俄罗斯方块
kind = random.choice(list(SHAPES.keys()))
# 对应横纵坐标，以左上角为原点，水平向右为x轴正方向，
# 竖直向下为y轴正方向，x对应横坐标，y对应纵坐标
cr = [C // 2, 0]
new_block = {
'kind': kind, # 对应俄罗斯方块的类型
'cell_list': SHAPES[kind],
'cr': cr
}
return new_block
def check_move(block, direction=[0, 0]):
"""
判断俄罗斯方块是否可以朝制定方向移动
:param block: 俄罗斯方块对象
:param direction: 俄罗斯方块移动方向
:return: boolean 是否可以朝制定方向移动
"""
cc, cr = block['cr']
cell_list = block['cell_list']
for cell in cell_list:
cell_c, cell_r = cell
c = cell_c + cc + direction[0]
r = cell_r + cr + direction[1]
# 判断该位置是否超出左右边界，以及下边界
# 一般不判断上边界，因为俄罗斯方块生成的时候，可能有一部分在上边界之上还没有出来
if c < 0 or c >= C or r >= R:
return False
# 必须要判断r不小于0才行，具体原因你可以不加这个判断，试试会出现什么效果
if r >= 0 and block_list[r][c]:
return False
return True
def check_row_complete(row):
for cell in row:
if cell=='':
return False
return True
score = 0
win.title("SCORES: %s" % score) # 标题中展示分数
def check_and_clear():
has_complete_row = False
for ri in range(len(block_list)):
if check_row_complete(block_list[ri]):
has_complete_row = True
# 当前行可消除
if ri > 0:
for cur_ri in range(ri, 0, -1):
block_list[cur_ri] = block_list[cur_ri-1][:]
block_list[0] = ['' for j in range(C)]
else:
block_list[ri] = ['' for j in range(C)]
global score
score += 10
if has_complete_row:
draw_board(canvas, block_list)
win.title("SCORES: %s" % score)
def save_block_to_list(block):
shape_type = block['kind']
cc, cr = block['cr']
cell_list = block['cell_list']
for cell in cell_list:
cell_c, cell_r = cell
c = cell_c + cc
r = cell_r + cr
# block_list 在对应位置记下其类型draw_cells
block_list[r][c] = shape_type
def horizontal_move_block(event):
"""
左右水平移动俄罗斯方块
"""
direction = [0, 0]
if event.keysym == 'Left':
direction = [-1, 0]
elif event.keysym == 'Right':
direction = [1, 0]
else:
return
global current_block
if current_block is not None and check_move(current_block, direction):
draw_block_move(canvas, current_block, direction)
def rotate_block(event):
global current_block
if current_block is None:
return
cell_list = current_block['cell_list']
rotate_list = []
for cell in cell_list:
cell_c, cell_r = cell
rotate_cell = [cell_r, -cell_c]
rotate_list.append(rotate_cell)
block_after_rotate = {
'kind': current_block['kind'], # 对应俄罗斯方块的类型
'cell_list': rotate_list,
'cr': current_block['cr']
}
if check_move(block_after_rotate):
cc, cr= current_block['cr']
draw_cells(canvas, cc, cr, current_block['cell_list'])
draw_cells(canvas, cc, cr, rotate_list,SHAPESCOLOR[current_block['kind']])
current_block = block_after_rotate
def land(event):
global current_block
if current_block is None:
return
cell_list = current_block['cell_list']
cc, cr = current_block['cr']
min_height = R
for cell in cell_list:
cell_c, cell_r = cell
c, r = cell_c + cc, cell_r + cr
if r>=0 and block_list[r][c]:
return
h = 0
for ri in range(r+1, R):
if block_list[ri][c]:
break
else:
h += 1
if h < min_height:
min_height = h
down = [0, min_height]
if check_move(current_block, down):
draw_block_move(canvas, current_block, down)
def game_loop():
win.update()
global current_block
if current_block is None:
new_block = generate_new_block()
# 新生成的俄罗斯方块需要先在生成位置绘制出来
draw_block_move(canvas, new_block)
current_block = new_block
if not check_move(current_block, [0, 0]):
messagebox.showinfo("Game Over!", "Your Score is %s" % score)
win.destroy()
return
else:
if check_move(current_block, [0, 1]):
draw_block_move(canvas, current_block, [0, 1])
else:
# 无法移动，记入 block_list 中
save_block_to_list(current_block)
current_block = None
check_and_clear()
win.after(FPS, game_loop)
canvas.focus_set() # 聚焦到canvas画板对象上
canvas.bind("<KeyPress-Left>", horizontal_move_block)
canvas.bind("<KeyPress-Right>", horizontal_move_block)
canvas.bind("<KeyPress-Up>", rotate_block)
canvas.bind("<KeyPress-Down>", land)
current_block = None
win.update()
win.after(FPS, game_loop) # 在FPS 毫秒后调用 game_loop方法
win.mainloop()
大致了解运行的原理，很难自己编写出代码，在网上找了很多不同的代码，试着写了一下