class Snake:
def __init__(self, position):
self.position = position
self.head = SnakeHead(position)
self.tail = SnakeTail()
self.tail.add_element_to_tail((position[0] - 16, position[1]))
def render(self, surface):
surface.blit(self.head.image, self.head.rect)
for tail_element in self.tail.elements:
surface.blit(tail_element["image"], tail_element["rect"])
def update(self, direction):
old_position = self.head.update(direction)
if(self._collide_head()):
return False
self.position = self.head.rect.topleft
for tail_element in self.tail.elements:
temp = tail_element["rect"].topleft
tail_element["rect"].topleft = old_position
old_position = temp
return True
def collide(self, point):
if self.head.rect.collidepoint(point):
return True
tail = self.tail.elements
return any([elem for elem in tail if elem["rect"].collidepoint(point)])
def _collide_head(self):
point = self.head.rect.topleft
tail = self.tail.elements
return any([elem for elem in tail if elem["rect"].collidepoint(point)])
def grow(self, grow_rate):
tail_last_point = self.tail.elements[-1]["rect"].topleft
while grow_rate:
grow_rate -= 1
self.tail.add_element_to_tail(tail_last_point)
def length(self):
return len(self.tail.elements) + 1
def get_snake_coords(self):
head = self.head.rect.topleft
tail = [element["rect"].topleft for element in self.tail.elements]
tail.append(head)
return tail
def load_snake_from_coord(self, coords):
self.head = SnakeHead(coords.pop(-1))
self.tail = SnakeTail()
for point in coords:
self.tail.add_element_to_tail(point)
def __init__(self, position):
self.position = position
self.head = SnakeHead(position)
self.tail = SnakeTail()
self.tail.add_element_to_tail((position[0] - 16, position[1]))
def load_snake_from_coord(self, coords):
self.head = SnakeHead(coords.pop(-1))
self.tail = SnakeTail()
for point in coords:
self.tail.add_element_to_tail(point)
