Project 2: Snake

This game was made in python using turtle. To play, use the arrow keys and guide the snake.

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import turtle
import time
import random

delay = 0.1

score = 0
high_score = 0

wn = turtle.Screen()
wn.bgcolor("blue")
wn.setup(width=600, height=600)
wn.tracer(0)
foodLst = []

head = turtle.Turtle()
head.speed(0)
head.shape("square")
head.color("orange")
head.penup()
head.goto(0,0)
head.direction = "stop"

for x in range(1):
  food = turtle.Turtle()
  food.speed(0)
  food.shape("circle")
  food.color("orange")
  food.penup()
  food.goto(0, 100)
  foodLst.append(food)

segments = []

pen = turtle.Turtle()
pen.speed(0)
pen.shape("square")
pen.color("black")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("Score: 0 High Score: 0", align="center", font=("Comic Sans MS", 24,"normal"))

def move():
  if head.direction == "up":
    y = head.ycor()
    head.sety(y+20)
  if head.direction == "down":
    y = head.ycor()
    head.sety(y-20)
  if head.direction == "left":
    x = head.xcor()
    head.setx(x - 20)
  if head.direction == "right":
    x = head.xcor()
    head.setx(x + 20)

def go_up():
  if head.direction != "down":
    head.direction = "up"
def go_down():
  if head.direction != "up":
    head.direction = "down"
def go_left():
  if head.direction != "right":
    head.direction = "left"
def go_right():
  if head.direction != "left":
    head.direction = "right"


wn.listen()
wn.onkey(go_up, "Up")
wn.onkey(go_down, "Down")
wn.onkey(go_right, "Right")
wn.onkey(go_left, "Left")

while True:

  wn.update()
  """if i % 10 == 0:
    if len(segments) > 1:
      a = segments.pop()
      a.color("blue")
      a.goto(a.xcor(), a.ycor())

      #draw background color in (x,y) , how ???
"""
  if head.xcor() > 290 or head.xcor() < - 290 or head.ycor()> 290 or head.ycor() < -290:
    time.sleep(1)
    head.goto(0,0)
    head.direction = "stop"

    score = 0

    pen.clear()
    pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Comic Sans MS", 24, "normal"))

    for segment in segments:
      segment.goto(1000,1000)

    del segments[:]

    score = 0

    delay = 0.1
    pen.clear()
    pen.write("Score: {} High Score: {}".format(score, high_score), align="center", font=("Comic Sans MS", 24, "normal"))

  for food in foodLst:
    if head.distance(food) < 20:
      colorlst = ["red", "orange", "yellow", "green", "lime green", "blue", "purple", "pink"]
      colorIndex = random.randint(0, 7)
      color = colorlst[colorIndex]
      x = random.randint(-290, 290)
      y = random.randint(-290, 290)
      food.goto(x, y)



      new_segment = turtle.Turtle()
      new_segment.speed(0)
      new_segment.shape("square")
      new_segment.color(color)
      new_segment.penup()
      segments.append(new_segment)

      score += 10

      delay -= 0.001

      if score > high_score:
        high_score = score

      pen.clear()
      pen.write("Score: {} High Score: {}".format(score, high_score),align="center",  font=("Comic Sans MS", 24,"normal"))
  for index in range(len(segments) -1, 0, -1):
    x = segments[index-1].xcor()
    y = segments[index-1].ycor()
    segments[index].goto(x,y)

  if len(segments) > 0:
    x = head.xcor()
    y = head.ycor()
    segments[0].goto(x,y)

  move()

  for segment in segments:
    if segment.distance(head) < 20:
      time.sleep(1)
      head.goto(0,0)
      head.direction = "stop"

      score = 0
      pen.clear()
      pen.write("Score: {} High Score: {}".format(score, high_score), align="center",
            font=("Comic Sans MS", 24, "normal"))

      for segment in segments:
        segment.goto(1000, 1000)

      del segments[:]

      score = 0

      delay -= 0.001

      pen.clear()
      pen.write("Score: {} High Score: {}".format(score, high_score), align="center",
            font=("Comic Sans MS", 24, "normal"))

  time.sleep(delay)


wn.mainloop()