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本帖最后由 尉尉的可乐 于 2025-8-2 21:24 编辑
贪吃蛇
- import tkinter as tk
- import random
- class SnakeGame:
- def __init__(self, width=800, height=600):
- self.width = width
- self.height = height
- self.block_size = 20
- self.speed = 100
- self.root = tk.Tk()
- self.root.title("贪吃蛇游戏")
- self.root.resizable(False, False)
- self.root.focus_force()
- self.canvas = tk.Canvas(self.root, width=self.width, height=self.height, bg="black")
- self.canvas.pack()
- self.reset_game()
- self.root.bind("<KeyPress>", self.on_key_press)
- self.score_text = self.canvas.create_text(50, 20, text=f"分数: {self.score}", fill="white", font=("Arial", 14))
- self.speed_text = self.canvas.create_text(150, 20, text=f"速度: {self.get_speed_display()}", fill="white", font=("Arial", 14))
- self.info_text = self.canvas.create_text(self.width//2, 20, text="+/=加速 | -减速 | ↑↓←→移动 | P暂停 | Space重新开始", fill="white", font=("Arial", 12))
- self.game_loop()
- self.root.mainloop()
-
- def get_speed_display(self):
- max_speed = 30
- min_speed = 150
- speed_range = min_speed - max_speed
- level = 10 - int((self.speed - max_speed) / speed_range * 9)
- return f"{level}/10"
-
- def reset_game(self):
- self.snake = [(100, 100), (80, 100), (60, 100)]
- self.direction = "Right"
- self.next_direction = "Right"
- self.food = self.create_food()
- self.score = 0
- self.game_over = False
- self.paused = False
- self.speed = 100
- self.canvas.delete("all")
-
- def create_food(self):
- while True:
- x = random.randint(1, (self.width - self.block_size) // self.block_size) * self.block_size
- y = random.randint(1, (self.height - self.block_size) // self.block_size) * self.block_size
- if (x, y) not in self.snake:
- return (x, y)
-
- def move_snake(self):
- if self.game_over or self.paused:
- return
-
- self.direction = self.next_direction
- head_x, head_y = self.snake[0]
-
- if self.direction == "Up":
- head_y -= self.block_size
- elif self.direction == "Down":
- head_y += self.block_size
- elif self.direction == "Left":
- head_x -= self.block_size
- elif self.direction == "Right":
- head_x += self.block_size
-
- if (head_x < 0 or head_x >= self.width or head_y < 0 or head_y >= self.height):
- self.game_over = True
- return
-
- if (head_x, head_y) in self.snake[1:]:
- self.game_over = True
- return
-
- self.snake.insert(0, (head_x, head_y))
-
- if self.snake[0] == self.food:
- self.score += 10
- self.food = self.create_food()
- else:
- self.snake.pop()
-
- def on_key_press(self, event):
- key = event.keysym
-
- if key == "Up" and self.direction != "Down":
- self.next_direction = "Up"
- elif key == "Down" and self.direction != "Up":
- self.next_direction = "Down"
- elif key == "Left" and self.direction != "Right":
- self.next_direction = "Left"
- elif key == "Right" and self.direction != "Left":
- self.next_direction = "Right"
- elif key == "p" or key == "P":
- self.paused = not self.paused
- elif key == 'space':
- self.reset_game()
- self.root.focus_force()
- elif (key == "plus" or key == "equal") and self.speed > 30:
- self.speed -= 10
- self.update_speed_display()
- elif key == "minus" and self.speed < 150:
- self.speed += 10
- self.update_speed_display()
-
- def update_speed_display(self):
- self.canvas.itemconfig(self.speed_text, text=f"速度: {self.get_speed_display()}")
-
- def draw(self):
- self.canvas.delete("all")
-
- for i, segment in enumerate(self.snake):
- x, y = segment
- fill_color = "darkgreen" if i == 0 else "green"
- self.canvas.create_rectangle(x, y, x + self.block_size, y + self.block_size, fill=fill_color, outline="")
-
- x, y = self.food
- self.canvas.create_oval(x, y, x + self.block_size, y + self.block_size, fill="red", outline="")
-
- self.canvas.create_text(50, 20, text=f"分数: {self.score}", fill="white", font=("Arial", 14))
- self.canvas.create_text(150, 20, text=f"速度: {self.get_speed_display()}", fill="white", font=("Arial", 14))
- self.canvas.create_text(self.width//2, 20, text="+/=加速 | -减速 | ↑↓←→移动 | P暂停 | space重新开始", fill="white", font=("Arial", 12))
-
- if self.game_over:
- self.canvas.create_text(self.width//2, self.height//2, text="游戏结束!按Space键重新开始", fill="white", font=("Arial", 24, "bold"))
- if self.paused:
- self.canvas.create_text(self.width//2, self.height//2, text="游戏暂停!按P键继续", fill="white", font=("Arial", 24, "bold"))
-
- def game_loop(self):
- if not self.game_over and not self.paused:
- self.move_snake()
- self.draw()
- self.root.after(self.speed, self.game_loop)
- if __name__ == "__main__":
- game = SnakeGame()
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