Python's example of a greedy snake game _python

The first time in Python to write this more practical and fun things, the right to be a practicing bar

Game Description:

* P key controls pause/start
* Direction key control the direction of the greedy snake

The source code is as follows:

Copy Code code as follows:

From Tkinter Import *
Import Tkmessagebox,sys
From random import Randint

Class Grid (object):
def __init__ (self,master=none,window_width=800,window_height=600,grid_width=50,offset=10):
Self.height = Window_height
Self.width = Window_width
Self.grid_width = Grid_width
Self.offset = Offset
self.grid_x = Self.width/self.grid_width
Self.grid_y = Self.height/self.grid_width
self.bg = "#EBEBEB"
Self.canvas = Canvas (Master, Width=self.width+2*self.offset, Height=self.height+2*self.offset, bg=self.bg)
Self.canvas.pack ()
Self.grid_list ()
def draw (self, POS, color,):
x = Pos[0]*self.grid_width + self.offset
y = pos[1]*self.grid_width + self.offset
Self.canvas.create_rectangle (x, Y, X+self.grid_width, y+self.grid_width,fill=color,outline=self.bg)
def grid_list (self):
Grid_list = []
For y in range (0,self.grid_y):
For x in range (0,self.grid_x):
Grid_list.append ((x,y))
Self.grid_list = Grid_list

Class Food (object):
def __init__ (self, Grid):
Self.grid = Grid
Self.color = "#23D978"
Self.set_pos ()
def set_pos (self):
x = Randint (0,self.grid.grid_x-1)
y = Randint (0,self.grid.grid_y-1)
Self.pos = (x, y)
def display (self):
Self.grid.draw (Self.pos,self.color)

Class Snake (object):
def __init__ (self, Grid):
Self.grid = Grid
Self.body = [(10,6), (10,7), (10,8)]
Self.direction = "Up"
Self.status = [' Run ', ' Stop ']
Self.speed = 300
Self.color = "#5FA8D9"
Self.food = food (Self.grid)
Self.display_food ()
Self.gameover = False
Self.score = 0
def available_grid (self):
return [I to I in self.grid.grid_list if I is not in self.body[2:]]
def change_direction (self, direction):
Self.direction = Direction
def display (self):
for (X,y) in Self.body:
Self.grid.draw ((x,y), Self.color)
def display_food (self):
while (Self.food.pos in self.body):
Self.food.set_pos ()
Self.food.display ()
def move (self):
Head = self.body[0]
if self.direction = = ' Up ':
New = (Head[0], head[1]-1)
elif self.direction = = ' Down ':
New = (Head[0], head[1]+1)
elif self.direction = = ' Left ':
New = (Head[0]-1,head[1])
Else
New = (Head[0]+1,head[1])
If not self.food.pos = = Head:
Pop = Self.body.pop ()
Self.grid.draw (pop,self.grid.bg)
Else
Self.display_food ()
Self.score + 1
Self.body.insert (0,new)
If not new in Self.available_grid ():
Self.status.reverse ()
Self.gameover = True
Else
Self.grid.draw (New,color=self.color)

Class Snakegame (Frame):
def __init__ (Self,master=none, *args, **kwargs):
Frame.__init__ (self, master)
Self.master = Master
Self.grid = Grid (Master=master,*args, **kwargs)
Self.snake = Snake (Self.grid)
Self.bind_all ("", Self.key_release)
Self.snake.display ()
def run (self):
If not self.snake.status[0] = = ' Stop ':
Self.snake.move ()
if Self.snake.gameover = = True:
Message = Tkmessagebox.showinfo ("Game over", "Your score:%d"% self.snake.score)
If message = = ' OK ':
Sys.exit ()
Self.after (Self.snake.speed,self.run)
def key_release (self, event):
Key = Event.keysym
Key_dict = {' Up ': ' Down ', ' Down ': ' Up ', ' left ': ' Right ', ' right ': ' Left '}
If Key_dict.has_key (key) and not key = = Key_dict[self.snake.direction]:
Self.snake.change_direction (Key)
Self.snake.move ()
elif key = = ' P ':
Self.snake.status.reverse ()

if __name__ = = ' __main__ ':
root = Tk ()
Snakegame = Snakegame (Root)
Snakegame.run ()
Snakegame.mainloop ()