├── .gitattributes
└── snake.py


/.gitattributes:
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1 | # Auto detect text files and perform LF normalization
2 | * text=auto
3 | 


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/snake.py:
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  1 | #imports
  2 | import turtle
  3 | import time
  4 | import random
  5 | 
  6 | delay = 0.1
  7 | 
  8 | #scores
  9 | score = 0
 10 | high_score = 0
 11 | 
 12 | #set up screen
 13 | wn = turtle.Screen()
 14 | wn.title("Snake Game")
 15 | wn.bgcolor('yellow')
 16 | wn.setup(width=600, height=600)
 17 | wn.tracer(0)
 18 | 
 19 | #snake head
 20 | head = turtle.Turtle()
 21 | head.speed(0)
 22 | head.shape("square")
 23 | head.color("black")
 24 | head.penup()
 25 | head.goto(0,0)
 26 | head.direction = "stop"
 27 | 
 28 | #snake food
 29 | food= turtle.Turtle()
 30 | food.speed(0)
 31 | food.shape("square")
 32 | food.color("red")
 33 | food.penup()
 34 | food.goto(0,100)
 35 | 
 36 | segments = []
 37 | 
 38 | #scoreboards
 39 | sc = turtle.Turtle()
 40 | sc.speed(0)
 41 | sc.shape("square")
 42 | sc.color("black")
 43 | sc.penup()
 44 | sc.hideturtle()
 45 | sc.goto(0,260)
 46 | sc.write("score: 0  High score: 0", align = "center", font=("ds-digital", 24, "normal"))
 47 | 
 48 | #Functions
 49 | def go_up():
 50 |     if head.direction != "down":
 51 |         head.direction = "up"
 52 | def go_down():
 53 |     if head.direction != "up":
 54 |         head.direction = "down"
 55 | def go_left():
 56 |     if head.direction != "right":
 57 |         head.direction = "left"
 58 | def go_right():
 59 |     if head.direction != "left":
 60 |         head.direction = "right"
 61 | def move():
 62 |     if head.direction == "up":
 63 |         y = head.ycor()
 64 |         head.sety(y+20)
 65 |     if head.direction == "down":
 66 |         y = head.ycor()
 67 |         head.sety(y-20)
 68 |     if head.direction == "left":
 69 |         x = head.xcor()
 70 |         head.setx(x-20)
 71 |     if head.direction == "right":
 72 |         x = head.xcor()
 73 |         head.setx(x+20)
 74 | 
 75 | #keyboard bindings
 76 | wn.listen()
 77 | wn.onkeypress(go_up, "w")
 78 | wn.onkeypress(go_down, "s")
 79 | wn.onkeypress(go_left, "a")
 80 | wn.onkeypress(go_right, "d")
 81 | 
 82 | #MainLoop
 83 | while True:
 84 |     wn.update()
 85 | 
 86 |     #check collision with border area
 87 |     if head.xcor()>290 or head.xcor()<-290 or head.ycor()>290 or head.ycor()<-290:
 88 |         time.sleep(1)
 89 |         head.goto(0,0)
 90 |         head.direction = "stop"
 91 | 
 92 |         #hide the segments of body
 93 |         for segment in segments:
 94 |             segment.goto(1000,1000) #out of range
 95 |         #clear the segments
 96 |         segments.clear()
 97 | 
 98 |         #reset score
 99 |         score = 0
100 | 
101 |         #reset delay
102 |         delay = 0.1
103 | 
104 |         sc.clear()
105 |         sc.write("score: {}  High score: {}".format(score, high_score), align="center", font=("ds-digital", 24, "normal"))
106 | 
107 |     #check collision with food
108 |     if head.distance(food) <20:
109 |         # move the food to random place
110 |         x = random.randint(-290,290)
111 |         y = random.randint(-290,290)
112 |         food.goto(x,y)
113 | 
114 |         #add a new segment to the head
115 |         new_segment = turtle.Turtle()
116 |         new_segment.speed(0)
117 |         new_segment.shape("square")
118 |         new_segment.color("black")
119 |         new_segment.penup()
120 |         segments.append(new_segment)
121 | 
122 |         #shorten the delay
123 |         delay -= 0.001
124 |         #increase the score
125 |         score += 10
126 | 
127 |         if score > high_score:
128 |             high_score = score
129 |         sc.clear()
130 |         sc.write("score: {}  High score: {}".format(score,high_score), align="center", font=("ds-digital", 24, "normal")) 
131 | 
132 |     #move the segments in reverse order
133 |     for index in range(len(segments)-1,0,-1):
134 |         x = segments[index-1].xcor()
135 |         y = segments[index-1].ycor()
136 |         segments[index].goto(x,y)
137 |     #move segment 0 to head
138 |     if len(segments)>0:
139 |         x = head.xcor()
140 |         y = head.ycor()
141 |         segments[0].goto(x,y)
142 | 
143 |     move()
144 | 
145 |     #check for collision with body
146 |     for segment in segments:
147 |         if segment.distance(head)<20:
148 |             time.sleep(1)
149 |             head.goto(0,0)
150 |             head.direction = "stop"
151 | 
152 |             #hide segments
153 |             for segment in segments:
154 |                 segment.goto(1000,1000)
155 |             segments.clear()
156 |             score = 0
157 |             delay = 0.1
158 | 
159 |             #update the score     
160 |             sc.clear()
161 |             sc.write("score: {}  High score: {}".format(score,high_score), align="center", font=("ds-digital", 24, "normal"))
162 |     time.sleep(delay)
163 | wn.mainloop()   


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