snake_game_1

############# main.py #############

from turtle import Turtle,Screen
import time
from snake import Snake

screen = Screen()
screen.setup(width=600 , height= 600)
screen.bgcolor("black")
screen.title("My Snake Game")
screen.tracer(0)

snake = Snake()

screen.listen()

screen.onkey(snake.snake_up, "w")
screen.onkey(snake.snake_down, "s")
screen.onkey(snake.snake_left, "a")
screen.onkey(snake.snake_right, "d")
snake.create_snake()

# starting_pos = [(0,0),(-20,0),(-40,0)]
# segment = []
# for pos in starting_pos:
#     tim = Turtle()
#     tim.color("white")
#     tim.penup()
#     tim.shape("square")
#     tim.setpos(pos)
#     segment.append(tim)

screen.update()
game_on = True
while game_on:
    screen.update()
    time.sleep(0.1)

    snake.move()
    #snake.move()
    # for seg in range (len(segment)-1,  0 , -1):
    #     new_x = segment[seg-1].xcor()
    #     new_y = segment[seg - 1].ycor()
    #     segment[seg].goto(new_x, new_y)
    # segment[0].forward(20)
    # segment[0].right(90)


# tim = Turtle()
# tim.color("white")
# tim.shape("square")
# tim.setpos(-20,0)
#
# tim = Turtle()
# tim.color("white")
# tim.shape("square")
# tim.setpos(-40,0)

screen.exitonclick()

########## snake.py ##########

STARTING_POS = [(0,0),(-20,0),(-40,0)]
MOVE_DISTANCE =20

from  turtle import Turtle

tim = Turtle()

class Snake:

    def __init__(self,):
        self.segment = []
        self.create_snake()


    def create_snake(self):
        for pos in STARTING_POS:
            tim = Turtle()
            tim.color("white")
            tim.penup()
            tim.shape("square")
            tim.setpos(pos)
            self.segment.append(tim)

    def move(self):
        for seg in range(len(self.segment) - 1, 0, -1):
            new_x = self.segment[seg - 1].xcor()
            new_y = self.segment[seg - 1].ycor()
            self.segment[seg].goto(new_x, new_y)

        self.segment[0].forward(MOVE_DISTANCE)


    def snake_up(self):
        self.segment[0].setheading(90)

    def snake_down(self):
        self.segment[0].setheading(270)

    def snake_left(self):
        self.segment[0].setheading(180)

    def snake_right(self):
        self.segment[0].setheading(0)