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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Johannes Wache
"""
Snake Game
~~~~~~~~~~
This is a classic arcade game called snake.
.. figure:: res/SnakeApp.png
:width: 179
Screenshot of the snake game
You have to direct the white snake to the food block (blue dot) by swiping in the desired direction. You must not hit the border or the snake's body itself.
Every time the snake eats the food, its length increases by 1. (In the current version there is an error that the length of the snake is not increased by 1 when the snake gets the food for the first time. This has to be fixed).
Once the game is over, you can try again by tapping on the screen and then swipe in the direction you want to move. If you want to leave the game, simply wipe in any direction once the game is over.
And now: Have fun playing! :)
"""
# 2-bit RLE, generated from res/snake_icon.png, 280 bytes
snake_icon = (
b'\x02'
b'`@'
b'4@\x81M?\x14M?\x14M?\x14M?\x14M'
b'?\x14M?\x14M?\x14M?\x14M?U\x80\x0b'
b'\x8f?\x12\x8f\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd%\x8f'
b'\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd'
b'%\x8f\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd%\x8f\x10\xcd'
b'\x02\xcd%\x8f\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd%\x8f'
b'\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd%\x8f\x10\xcd\x02\xcd'
b'%\x8f?s\xcd \xcd&\xcd \xcd&\xcd \xcd&'
b'\xcd \xcd&\xcd \xcd&\xcd \xcd&\xcd \xcd&'
b'\xcd \xcd&\xcd \xcd&\xcd \xcd&\xcd \xcd&'
b'\xcd \xcd&\xcd \xcd?\xa7\xcd\x02\xcd\x02\xcd\x02\xcd'
b'&\xcd\x02\xcd\x02\xcd\x02\xcd&\xcd\x02\xcd\x02\xcd\x02\xcd'
b'&\xcd\x02\xcd\x02\xcd\x02\xcd&\xcd\x02\xcd\x02\xcd\x02\xcd'
b'&\xcd\x02\xcd\x02\xcd\x02\xcd&\xcd\x02\xcd\x02\xcd\x02\xcd'
b'&\xcd\x02\xcd\x02\xcd\x02\xcd&\xcd\x02\xcd\x02\xcd\x02\xcd'
b'&\xcd\x02\xcd\x02\xcd\x02\xcd&\xcd\x02\xcd\x02\xcd\x02\xcd'
b'&\xcd\x02\xcd\x02\xcd\x02\xcd&\xcd\x02\xcd\x02\xcd\x02\xcd'
b'?\xff\xff\xff\x94'
)
import wasp, time
from random import randint
class SnakeGameApp():
NAME = 'Snake'
ICON = snake_icon
def __init__(self):
self.running = True
self.snake = Snake()
self.food_location()
self.highscore = 1
def foreground(self):
"""Activate the application."""
wasp.watch.drawable.fill()
if self.running:
self.update()
else:
self.snake.show()
wasp.watch.drawable.fill(x=self.food[0],y=self.food[1],w=15,h=15,bg=0x00ff)
wasp.system.request_event(wasp.EventMask.TOUCH |
wasp.EventMask.SWIPE_UPDOWN |
wasp.EventMask.SWIPE_LEFTRIGHT)
wasp.system.request_tick(250)
def touch(self,event):
if not self.running:
self.running = True
wasp.watch.drawable.fill()
def swipe(self, event):
if self.running:
"""Notify the application of a touchscreen swipe event."""
if event[0] == wasp.EventType.UP:
self.snake.set_dir(0,-15)
elif event[0] == wasp.EventType.DOWN:
self.snake.set_dir(0,15)
elif event[0] == wasp.EventType.LEFT:
self.snake.set_dir(-15,0)
elif event[0] == wasp.EventType.RIGHT:
self.snake.set_dir(15,0)
else:
return True
def tick(self, ticks):
"""Notify the application that its periodic tick is due."""
self.update()
def food_location(self):
x = randint(0,15) * 15
y = randint(0,15) * 15
self.food = [x,y]
def update(self):
draw = wasp.watch.drawable
"""Draw the display from scratch."""
if (self.snake.eat(self.food)):
self.food_location()
self.snake.update()
if (self.snake.end_game()):
if len(self.snake.body) > self.highscore:
self.highscore = len(self.snake.body)
self.running = False
wasp.watch.vibrator.pulse()
self.snake = Snake()
draw.fill()
draw.set_color(0xf000)
draw.string('GAME', 0, 60, width=240)
draw.string('OVER', 0, 98, width=240)
draw.string('Highscore: '+str(self.highscore-1),0,180,width=240)
draw.reset()
return True
if self.running:
self.snake.show()
draw.fill(x=self.food[0],y=self.food[1],w=15,h=15,bg=0x00ff)
return True
# Based on https://www.youtube.com/watch?v=OMoVcohRgZA
class Snake():
def __init__(self):
self.body = [[120,120]]
self.xdir = 0
self.ydir = 0
self.justate = False
self.oldtail = [0,0]
def set_dir(self,x,y):
self.xdir = x
self.ydir = y
def update(self):
self.oldtail = self.body[0].copy()
head = self.body[-1].copy()
if not self.justate:
self.body = self.body[1:]
self.justate = False
head[0] += self.xdir
head[1] += self.ydir
self.body.append(head)
def eat(self,pos):
x = self.body[-1][0]
y = self.body[-1][1]
if (x == pos[0] and y == pos[1]):
self.justate = True
# Color food white so it appears as a body part:
wasp.watch.drawable.fill(x=(self.body[-1][0]),y=(self.body[-1][1]),w=15,h=15,bg=0x0000)
wasp.watch.drawable.fill(x=self.body[-1][0]+1,y=self.body[-1][1]+1,w=13,h=13,bg=0xffff)
return True
return False
def end_game(self):
x = self.body[-1][0]
y = self.body[-1][1]
if (x >= 240 or x < 0) or (y >= 240 or y < 0):
return True
for i in range(len(self.body)-1):
part = self.body[i]
if (part[0] == x and part[1] == y):
return True
return False
def show(self):
draw = wasp.watch.drawable
draw.fill(x=self.oldtail[0],y=self.oldtail[1],w=15,h=15,bg=0x0000)
draw.fill(x=self.body[-1][0]+1,y=self.body[-1][1]+1,w=13,h=13,bg=0xffff)
|
