Una de las primeras cosas que hice con Pygame en el clásico juego Snake que en otro tutorial voy a explicar paso a paso su desarrollo, ahora les comparto el código fuente utilizando los Rectángulos de pygame - pygame.Rect
#!/usr/bin/env python
import sys,pygame,random
from pygame.locals import *
def cerrar():
pygame.quit()
sys.exit(0)
def cxy(max,min=3):
x1 = random.randint(min, max)
y1 = random.randint(min, max)
return x1,y1
def main():
w = pygame.display.set_mode((300,300))
reloj = pygame.time.Clock()
bucle = True
snake_color = (103,97,97)
carnada_color = (228,38,38)
head_color = (39,98,20)
direc = random.randint(0,3)
ancho = 10
max = (300 / ancho) - 1
if direc == 0:
x1,y1 = cxy(max)
xysnake = [(x1,y1),(x1,y1-1),(x1,y1-2)]
if direc == 1:
x1,y1 = cxy(max)
xysnake = [(x1-2,y1),(x1-1,y1),(x1,y1)]
if direc == 3:
x1,y1 = cxy(max)
xysnake = [(x1,y1),(x1-1,y1),(x1-2,y1)]
if direc == 2:
x1,y1 = cxy(max)
xysnake = [(x1,y1-2),(x1,y1-1),(x1,y1)]
x0,y0 = cxy(max,0)
carnada = pygame.Rect(x0 * 10,y0 * 10,ancho,ancho)
while bucle == True:
w.fill((255,255,255))
pygame.draw.rect(w,carnada_color,carnada,1)
x,y = xysnake[0]
snake_head = pygame.Rect(x*ancho,y*ancho,ancho,ancho)
pygame.draw.rect(w,head_color,snake_head,1)
for xy in xysnake[1:]:
x , y = xy
snake_body = pygame.Rect(x * ancho,y * ancho,ancho,ancho)
pygame.draw.rect(w,snake_color,snake_body,1)
for e in pygame.event.get():
if e.type == pygame.QUIT:
bucle = False
break
if e.type == pygame.KEYDOWN:
if e.key == pygame.K_UP and direc != 0:
direc = 2
if e.key == pygame.K_DOWN and direc != 2:
direc = 0
if e.key == pygame.K_LEFT and direc != 3:
direc = 1
if e.key == pygame.K_RIGHT and direc != 1:
direc = 3
if direc == 3:
x,y = xysnake[0]
x = x + 1
if x > max:
x = 0
xysnake.insert(0, (x,y))
xydel = xysnake.pop()
if direc == 2:
x,y = xysnake[0]
y = y -1
if y < 0:
y = max
xysnake.insert(0, (x,y))
xydel = xysnake.pop()
if direc == 1:
x,y = xysnake[0]
x = x - 1
if x < 0:
x = max
xysnake.insert(0, (x,y))
xydel = xysnake.pop()
if direc == 0:
x,y = xysnake[0]
y = y +1
if y > max:
y = 0
xysnake.insert(0, (x,y))
xydel = xysnake.pop()
if xysnake[0] in xysnake[1:]:
print "Que pena perdiste"
cerrar()
if snake_head.colliderect(carnada):
carnada = pygame.Rect( random.randint(0, max) * 10, random.randint(0, max) * 10,ancho,ancho)
if direc == 1:
xysnake.insert(0,(x-1,y))
if direc == 3:
xysnake.insert(0,(x+1,y))
if direc == 0:
xysnake.insert(0,(x,y+1))
if direc == 2:
xysnake.insert(0,(x,y-1))
pygame.display.update()
reloj.tick(15)
cerrar()
if __name__ == '__main__':
pygame.init()
main()
