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snake.py
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snake.py
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from turtle import Turtle
class Snake:
def __init__(self):
self.snake_body_object = []
self.create_snake()
# step2 MakingSnake Body#######################
def create_snake(self):
for _ in range(3):
body_part = Turtle(shape="square")
body_part.penup()
body_part.color("white")
body_part.setposition(x=0 - (20 * _), y=0)
self.snake_body_object.append(body_part)
# Step3 MOVING SNAKE BODY###################
def move(self):
for body_part in range(len(self.snake_body_object) - 1, 0,
-1): # step is 1 or -1 tells direction to count from so for us 210
new_xcor = self.snake_body_object[body_part - 1].xcor()
new_ycor = self.snake_body_object[body_part - 1].ycor()
self.snake_body_object[body_part].setposition(x=new_xcor, y=new_ycor)
self.snake_body_object[0].forward(20)
def up(self):
if self.snake_body_object[0].heading() == 0.0 :
self.snake_body_object[0].left(90)
elif self.snake_body_object[0].heading() == 180.0:
self.snake_body_object[0].right(90)
def left(self):
if self.snake_body_object[0].heading() == 90:
self.snake_body_object[0].left(90)
elif self.snake_body_object[0].heading() == 270.0:
self.snake_body_object[0].right(90)
def right(self):
if self.snake_body_object[0].heading() == 90:
self.snake_body_object[0].right(90)
elif self.snake_body_object[0].heading() == 270.0:
self.snake_body_object[0].left(90)
def down(self):
if self.snake_body_object[0].heading() == 0.0:
self.snake_body_object[0].right(90)
elif self.snake_body_object[0].heading() == 180:
self.snake_body_object[0].left(90)
def collision_tail(self):
for segments in range(1,len(self.snake_body_object)):
if self.snake_body_object[0].position() == self.snake_body_object[segments].position():
return True
return False
def add(self):
last_segment = self.snake_body_object[len(self.snake_body_object)-1]
body_part = Turtle(shape="square")
body_part.penup()
body_part.color("white")
body_part.setposition(x= last_segment.xcor(), y=last_segment.ycor())
self.snake_body_object.append(body_part)
def reset(self):
for segments in self.snake_body_object:
segments.goto(1000,1000)
self.snake_body_object.clear()
self.create_snake()