i = 0 # 0~h-1 last_i = False while i < h and not last_i: j = 0 if i + crop_size_h >= h: i = h - crop_size_h last_i = True last_j = False while j < w and not last_j: if j + crop_size_w >= w: j = w - crop_size_w last_j = True parts.append(self.lq[:, :, i // scale :(i + crop_size_h) // scale, j // scale:(j + crop_size_w) // scale]) idxes.append({'i': i, 'j': j}) j = j + step_j i = i + step_i这段代码的中文含义
时间: 2024-02-14 21:21:15 浏览: 17
这段代码是一个循环,用于将图像分割成多个部分。首先,定义了一个变量`i`,起始值为0,表示要从图像的顶部开始分割。同时,定义了一个布尔变量`last_i`,初始值为`False`,表示还没有到达图像底部。
接下来,进入第一个循环,条件是`i`小于图像的高度`h`并且`last_i`为`False`。在这个循环中,定义了另一个变量`j`,初始值为0,表示要从图像的左侧开始分割。如果当前分割的区域超过了图像的高度,将`i`设置为`h - crop_size_h`,表示从图像底部开始分割。同时,将`last_i`设置为`True`,表示已经到达了图像底部。
然后进入第二个循环,条件是`j`小于图像的宽度`w`并且`last_j`为`False`。在这个循环中,如果当前分割的区域超过了图像的宽度,将`j`设置为`w - crop_size_w`,表示从图像右侧开始分割。同时,将`last_j`设置为`True`,表示已经到达了图像右侧。
最后,将当前分割的部分添加到`parts`列表中,并将当前的`i`和`j`值添加到`idxes`列表中。然后,将`j`增加`step_j`个像素,继续进行下一次分割。当`j`达到图像宽度时,退出第二个循环。最后,将`i`增加`step_i`个像素,继续进行下一次分割。当`i`达到图像高度时,退出第一个循环。
相关问题
import random def init_board(): board = [] for i in range(4): row = [] for j in range(4): row.append(0) board.append(row) return board def add_new(board): empty_cells = [] for i in range(4): for j in range(4): if board[i][j] == 0: empty_cells.append((i, j)) if empty_cells: i, j = random.choice(empty_cells) board[i][j] = 2\ if random.random() < 0.9else 4 def is_game_over(board): for i in range(4): for j in range(4): if board[i][j] == 0: return False if i < 3 and board[i][j] == board[i+1][j]: return False if j < 3 and board[i][j] == board[i][j+1]: return False return True def move_left(board): for i in range(4): row = board[i] new_row = [] last_merged = False for j in range(4): if row[j] == 0: continue if len(new_row) == 0 or last_merged or new_row[-1] != row[j]: new_row.append(row[j]) last_merged = False else: new_row[-1] *= 2 last_merged = True while len(new_row) < 4: new_row.append(0) board[i] = new_row def move_right(board): for i in range(4): row = board[i] new_row = [] last_merged = False for j in range(3, -1, -1): if row[j] == 0: continue if len(new_row) == 0 or last_merged or new_row[-1] != row[j]: new_row.append(row[j]) last_merged = False else: new_row[-1] *= 2 last_merged = True while len(new_row) < 4: new_row.insert(0, 0) board[i] = new_row def move_up(board): for j in range(4): column = [board[i][j] for i in range(4)] new_column = [] last_merged = False for i in range(4): if column[i] == 0: continue if len(new_column) == 0 or last_merged or new_column[-1] != column[i]: new_column.append(column[i]) last_merged = False else: new_column[-1] *= 2 last_merged = True while len(new_column) < 4: new_column.append(0) for i in range(4): board[i][j] = new_column[i] def move_down(board): for j in range(4): column = [board[i][j] for i in range(3, -1, -1)] new_column = [] last_merged = False for i in range(3, -1, -1): if column[i] == 0: continue if len(new_column) == 0 or last_merged or new_column[-1] != column[i]: new_column.append(column[i]) last_merged = False else: new_column[-1] *= 2 last_merged = True while len(new_column) < 4: new_column.insert(0, 0) for i in range(3, -1, -1): board[i][j] = new_column[3-i] def print_board(board): for row in board: for cell in row: print("{:<6}".format(cell), end="") print() def main(): board = init_board() add_new(board) add_new(board) while not is_game_over(board): print_board(board) direction = input("输入方向(w/a/s/d):") if direction == "a": move_left(board) elif direction == "d": move_right(board) elif direction == "w": move_up(board) elif direction == "s": move_down(board) else: print("无效的方向,请重新输入!") continue add_new(board) print_board(board) print("游戏结束!") if name == "main": main()帮我为上述代码添加图形设计界面,以及计分系统
好的,为了添加图形设计界面和计分系统,我们需要使用Python中的GUI库。这里我们选择使用Pygame库来实现游戏界面和计分系统。
首先,我们需要安装Pygame库。在命令行中输入以下命令:
```
pip install pygame
```
安装完成后,我们可以开始编写代码了。
首先,我们需要导入Pygame库并初始化它:
```python
import pygame
pygame.init()
```
然后,我们需要定义一些常量来表示游戏界面的大小和颜色:
```python
SCREEN_WIDTH = 640
SCREEN_HEIGHT = 480
CELL_SIZE = 80
CELL_PADDING = 20
BACKGROUND_COLOR = (250, 248, 239)
CELL_COLORS = {
0: (205, 193, 180),
2: (238, 228, 218),
4: (237, 224, 200),
8: (242, 177, 121),
16: (245, 149, 99),
32: (246, 124, 95),
64: (246, 94, 59),
128: (237, 207, 114),
256: (237, 204, 97),
512: (237, 200, 80),
1024: (237, 197, 63),
2048: (237, 194, 46)
}
```
其中,SCREEN_WIDTH和SCREEN_HEIGHT分别表示游戏界面的宽度和高度,CELL_SIZE和CELL_PADDING分别表示每个方格的大小和间距,BACKGROUND_COLOR表示游戏界面的背景色,CELL_COLORS是一个字典,用于表示不同数字的方格的颜色。
接下来,我们需要定义一些函数来绘制游戏界面和方格:
```python
def draw_board(board, screen):
screen.fill(BACKGROUND_COLOR)
for i in range(4):
for j in range(4):
cell_color = CELL_COLORS[board[i][j]]
cell_rect = pygame.Rect(j * (CELL_SIZE + CELL_PADDING) + CELL_PADDING, i * (CELL_SIZE + CELL_PADDING) + CELL_PADDING, CELL_SIZE, CELL_SIZE)
pygame.draw.rect(screen, cell_color, cell_rect)
if board[i][j] != 0:
font = pygame.font.SysFont(None, int(CELL_SIZE * 0.4))
text = font.render(str(board[i][j]), True, (255, 255, 255))
text_rect = text.get_rect(center=cell_rect.center)
screen.blit(text, text_rect)
def draw_score(score, screen):
font = pygame.font.SysFont(None, 50)
text = font.render("Score: {}".format(score), True, (0, 0, 0))
text_rect = text.get_rect(center=(SCREEN_WIDTH // 2, SCREEN_HEIGHT - 50))
screen.blit(text, text_rect)
```
其中,draw_board函数用于绘制游戏界面,draw_score函数用于绘制得分。
然后,我们需要修改一下add_new函数,让它返回新生成的数字的位置:
```python
def add_new(board):
empty_cells = []
for i in range(4):
for j in range(4):
if board[i][j] == 0:
empty_cells.append((i, j))
if empty_cells:
i, j = random.choice(empty_cells)
board[i][j] = 2 if random.random() < 0.9 else 4
return (i, j)
else:
return None
```
接着,我们需要修改main函数,让它使用Pygame库来显示游戏界面和得分:
```python
def main():
board = init_board()
add_new(board)
add_new(board)
score = 0
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption("2048")
while not is_game_over(board):
draw_board(board, screen)
draw_score(score, screen)
pygame.display.flip()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_a:
move_left(board)
add_new_pos = add_new(board)
elif event.key == pygame.K_d:
move_right(board)
add_new_pos = add_new(board)
elif event.key == pygame.K_w:
move_up(board)
add_new_pos = add_new(board)
elif event.key == pygame.K_s:
move_down(board)
add_new_pos = add_new(board)
else:
add_new_pos = None
if add_new_pos:
score += board[add_new_pos[0]][add_new_pos[1]]
pygame.display.flip()
draw_board(board, screen)
draw_score(score, screen)
font = pygame.font.SysFont(None, 50)
text = font.render("Game Over!", True, (255, 0, 0))
text_rect = text.get_rect(center=(SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2))
screen.blit(text, text_rect)
pygame.display.flip()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
```
最后,我们需要在代码开头添加以下代码来保证程序正确运行:
```python
if __name__ == "__main__":
main()
```
这样,我们就完成了2048游戏的图形界面和计分系统的添加。完整代码如下:
while True: for event in pygame.event.get(): if event.type==QUIT: sys.exit() elif event.type==KEYDOWN: if event.key==K_RETURN: if game_over: game_start=True game_over=False b=True snake=init_snake() food=Creat_Food(snake) food_style=Food_Style() pos=(1,0) #得分 score=0 last_move_time=time.time() elif event.key==K_SPACE: if not game_over: pause=not pause
这段代码中的主循环部分可以被理解为一个事件循环,它不断地从 Pygame 的事件队列中获取事件并进行相应的处理。如果检测到了退出事件(QUIT),则调用 sys.exit() 函数退出程序。如果检测到了按键事件(KEYDOWN),则根据按下的键码(event.key)来执行相应的操作。
具体来说,如果按下了回车键(K_RETURN),并且游戏已经结束(game_over=True),则重新开始游戏,重置游戏状态、蛇的位置、食物的位置、得分等变量,并记录当前时间(last_move_time)。如果按下了空格键(K_SPACE),并且游戏没有结束(game_over=False),则切换暂停状态(pause=not pause)。
需要注意的是,这段代码中没有处理其他按键事件的逻辑。如果需要处理其他按键事件,可以在 elif event.type==KEYDOWN 的分支中添加相应的代码。