def move_snake(self):
newx = self.snake[-1][0] + self.direction[0]
newy = self.snake[-1][1] + self.direction[1]
if newx >= self.width:
newx -= self.width
elif newx < 0:
newx += self.width
if newy >= self.height:
newy -= self.height
elif newy < 0:
newy += self.height
# Check if the snake crashed into itself
if (newx,newy) in self.snake[1:]:
for i in range(4):
self.send(self.width*self.height*'\x00')
self.wait(0.2)
self.draw_snake()
self.wait(0.2)
text.showtext(self, str(len(self.snake)), spacing=0)
self.wait(3)
return True
if (newx,newy) == self.point_to_eat:
self.snake = self.snake + [(newx,newy)]
self.new_point_to_eat()
else:
self.snake = self.snake[1:] + [(newx,newy)]
self.draw_snake()
return False
def run(self):
MAZE_WIDTH = 8 # maze units, not pixels!
MAZE_HEIGHT = 8
BLINK_DELAY = 0.3
self.controls = ['Up', 'Down', 'Left', 'Right']
while True:
self.new_maze(MAZE_WIDTH, MAZE_HEIGHT)
starttime = time()
blinktime = starttime
posblink = False
goalblink = False
while True:
now = time()
if now < blinktime + BLINK_DELAY / 2:
key = self.waitforanykey(blinktime + BLINK_DELAY / 2 - now)
else:
key = 0
if key == 1:
newposition = (self.position[0], self.position[1] - 1)
elif key == 2:
newposition = (self.position[0], self.position[1] + 1)
elif key == 3:
newposition = (self.position[0] - 1, self.position[1])
elif key == 4:
newposition = (self.position[0] + 1, self.position[1])
elif key == 0:
newposition = self.position
goalblink = not goalblink
if goalblink:
posblink = not posblink
blinktime = time()
if self.check_pos(newposition):
self.position = newposition
if self.position == self.goal:
break
self.draw(posblink, goalblink)
seconds = int(time() - starttime)
self.clear()
self.wait(1)
text.showtext(self, str(seconds), spacing=0)
self.wait(5)
self.clear()
self.wait(1)
def fall(self):
if self.test_block(self.blockx,self.blocky+1,self.blockframe):
self.blocky += 1
return
# Block hits bottom
for pixel in BLOCKS[self.blocktyp][self.blockframe]:
self.canvas[self.blocky + pixel[1]] = \
self.canvas[self.blocky + pixel[1]][0:self.blockx + pixel[0]] + \
[1] + self.canvas[self.blocky + pixel[1]][self.blockx + pixel[0] + 1:]
self.blocky = -20
for i in range(0, len(self.canvas)):
if self.canvas[i] == self.width * [1]:
self.blink(i)
self.canvas = [self.width * [0]] + self.canvas[0:i] + \
self.canvas[i+1:]
self.rows += 1
self.delay -= 0.02
self.new_block()
self.falldelay = self.delay
if not self.test_block(self.blockx,self.blocky,self.blockframe):
self.blink(-1,0.2)
text.showtext(self, str(self.rows), spacing=0)
self.wait(3)
self.newgame()