20201332 俄罗斯方块

修改

修改界面颜色。

改变界面比例。

代码

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


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)],
}
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:
:param c:
:param r:
:param color:
: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)

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"):
"""

:param canvas:
:param r:
:param c:
:param cell_list:
:param color:
:return:
"""
for cell in cell_list:
cell_c, cell_r = cell
ci = cell_c + c
ri = cell_r + r

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']


draw_cells(canvas, c, r, cell_list)

dc, dr = direction
new_c, new_r = c+dc, r+dr
block['cr'] = [new_c, new_r]

draw_cells(canvas, new_c, new_r, cell_list, SHAPESCOLOR[shape_type])


def generate_new_block():


kind = random.choice(list(SHAPES.keys()))


cr = [C // 2, 0]
new_block = {
'kind': kind,
'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]

if c < 0 or c >= C or r >= R:
return False


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)


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

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[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()

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:

save_block_to_list(current_block)
current_block = None
check_and_clear()

win.after(FPS, game_loop)

canvas.focus_set()
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)


win.mainloop()

原文地址:https://www.cnblogs.com/wdys12138/p/14055497.html