coding-python/caterpillar.py at main · Larry6oy/coding-python · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
import random
import turtle as t


ask = input('Single player or multiplayer? (s/m): ')
print(ask)
if(ask == 's'):
    #create caterpillar
    t.bgcolor('yellow')
    caterpillar = t.Turtle()
    caterpillar.shape('square')
    caterpillar.color('red')
    caterpillar.speed(0)
    caterpillar.penup()
    caterpillar.hideturtle()

    #create leaf
    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(0)

    #create text(score display & instructions)
    game_started = False
    text_turtle = t.Turtle()
    text_turtle.hideturtle()
    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)

    #main loop
    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=('Arial', '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.ht
        leaf.setx(random.randint(-200, 200))
        leaf.st()

    #game starter
    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) < 30):
                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)

    #adding keybord commands
    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()