111 lines
No EOL
4 KiB
Python
Executable file
111 lines
No EOL
4 KiB
Python
Executable file
#!/usr/bin/env python
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import sys, pygame, random
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class Snake:
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def __init__(self, margin=80,length=10,grid_width=50,grid_height=50, grid_pts=15,fps=10):
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self.grid_width=grid_width
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self.grid_height=grid_height
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self.grid_pts=grid_pts
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self.margin=margin
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self.fps=fps
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self.snake=[(0,0)]*length
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self.direction=3 # Like clock (12=up, 3=right, 6=bottom, 9=left)
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self.new_apple()
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pygame.init()
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self.font=pygame.font.SysFont(pygame.font.get_default_font(), int(self.margin/2))
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self.screen=pygame.display.set_mode((grid_width*grid_pts,grid_height*grid_pts+margin))
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def draw_pts(self,x,y,color=(255,255,255)):
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rect=pygame.Rect(self.grid_pts*x, self.grid_pts*y+self.margin, self.grid_pts, self.grid_pts)
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pygame.draw.rect(self.screen,color,rect, 0)
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def draw_infos(self,color=(255,255,255),thickness=5):
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rect=pygame.Rect(0, self.margin-thickness, self.grid_width*self.grid_pts, thickness)
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pygame.draw.rect(self.screen,color,rect, 0)
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text = self.font.render('Score '+str(self.score)+" Length "+str(len(self.snake)), True, color)
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text_center=text.get_rect(center = (self.grid_width*self.grid_pts // 2, self.margin // 2))
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self.screen.blit(text, text_center)
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def new_apple(self):
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self.apple=(random.randint(0,self.grid_width),random.randint(0,self.grid_height))
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while self.apple in self.snake:
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self.apple=(random.randint(0,self.grid_width),random.randint(0,self.grid_height))
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def move(self):
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# Update tail
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if len(self.snake)>1:
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tmp=self.snake[0]
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for i in range(1,len(self.snake)):
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newtmp=self.snake[i]
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self.snake[i]=tmp
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tmp=newtmp
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# Update head
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h=self.snake[0] # Head
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if self.direction==3:
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self.snake[0]=(h[0]+1,h[1])
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elif self.direction==9:
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self.snake[0]=(h[0]-1,h[1])
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elif self.direction==12:
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self.snake[0]=(h[0],h[1]-1)
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else:
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self.snake[0]=(h[0],h[1]+1)
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def draw_snake(self):
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for elt in self.snake:
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self.draw_pts(elt[0],elt[1])
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def has_loose(self):
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if self.snake.count(self.snake[0])>1:
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return(True)
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h=self.snake[0]
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if h[0]<0 or h[1]<0 or h[0] >= self.grid_width or h[1] >= self.grid_height:
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return(True)
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return(False)
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def run(self):
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clock = pygame.time.Clock()
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self.direction=6
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ignore_has_loose=True
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self.score=0
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while True:
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self.screen.fill((0,0,0))
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self.draw_snake()
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self.draw_pts(self.apple[0],self.apple[1],color=(255,0,0))
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self.draw_infos()
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# Check for loose
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if not(ignore_has_loose) and self.has_loose():
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break
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else:
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ignore_has_loose=False
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# Check inputs
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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pygame.quit()
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sys.exit()
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elif event.type == pygame.KEYDOWN:
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if event.key == pygame.K_LEFT and self.direction != 3:
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self.direction=9
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break
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elif event.key == pygame.K_RIGHT and self.direction != 9:
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self.direction=3
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break
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elif event.key == pygame.K_UP and self.direction != 6:
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self.direction=12
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break
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elif event.key == pygame.K_DOWN and self.direction != 12:
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self.direction=6
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break
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self.move()
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# Check for eating apple
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if self.apple==self.snake[0]:
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self.snake.append(self.snake[len(self.snake)-1])
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self.new_apple()
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self.score+=1
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pygame.display.flip()
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clock.tick(self.fps)
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game=Snake()
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game.run() |