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@amankharwal

amankharwal/caterpillar.py Secret

Created Feb 5, 2021
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import turtle as t
import random as rd
t.bgcolor('yellow')
caterpillar = t.Turtle()
caterpillar.shape('square')
caterpillar.color('red')
caterpillar.speed(0)
caterpillar.penup()
caterpillar.hideturtle()
leaf = t.Turtle()
leaf_shape = ((0,0),(14,2),(18,6),(20,20),(6,18),(2,14))
t.register_shape('leaf',leaf_shape)
leaf.shape('leaf')
leaf.color('green')
leaf.penup()
leaf.hideturtle()
leaf.speed()
game_started = False
text_turtle = t.Turtle()
text_turtle.write('Press SPACE to start',align='center',font=('Arial',16,'bold'))
text_turtle.hideturtle()
score_turtle = t.Turtle()
score_turtle.hideturtle()
score_turtle.speed(0)
def outside_window():
left_wall = -t.window_width()/2
right_wall = t.window_width()/2
top_wall = t.window_height()/2
bottom_wall = -t.window_height()/2
(x,y) = caterpillar.pos()
outside = x < left_wall or x > right_wall or y < bottom_wall or y > top_wall
return outside
def game_over():
caterpillar.color('yellow')
leaf.color('yellow')
t.penup()
t.hideturtle()
t.write('GAME OVER!',align='center' , font=('Aerial',30,'normal'))
def display_score(current_score):
score_turtle.clear()
score_turtle.penup()
x = (t.window_width() / 2)-50
y = (t.window_height() / 2)-50
score_turtle.setpos(x,y)
score_turtle.write(str(current_score) , align = 'right',font=('Arial',40,'bold'))
def place_leaf():
leaf.hideturtle()
leaf.setx(rd.randint(-200,200))
leaf.sety(rd.randint(-200,200))
leaf.showturtle()
def start_game():
global game_started
if game_started:
return
game_started = True
score = 0
text_turtle.clear()
caterpillar_speed = 2
caterpillar_length = 3
caterpillar.shapesize(1,caterpillar_length,1)
caterpillar.showturtle()
display_score(score)
place_leaf()
while True:
caterpillar.forward(caterpillar_speed)
if caterpillar.distance(leaf)<20:
place_leaf()
caterpillar_length = caterpillar_length + 1
caterpillar.shapesize(1,caterpillar_length,1)
caterpillar_speed = caterpillar_speed + 1
score = score + 10
display_score(score)
if outside_window():
game_over()
break
def move_up():
if caterpillar.heading() == 0 or caterpillar.heading() == 180:
caterpillar.setheading(90)
def move_down():
if caterpillar.heading() == 0 or caterpillar.heading() == 180:
caterpillar.setheading(270)
def move_left():
if caterpillar.heading() == 90 or caterpillar.heading() == 270:
caterpillar.setheading(180)
def move_right():
if caterpillar.heading() == 90 or caterpillar.heading() == 270:
caterpillar.setheading(0)
t.onkey(start_game,'space')
t.onkey(move_up,'Up')
t.onkey(move_right,'Right')
t.onkey(move_down,'Down')
t.onkey(move_left,'Left')
t.listen()
t.mainloop()
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