-
Notifications
You must be signed in to change notification settings - Fork 4
/
breakout.py
175 lines (131 loc) · 5.17 KB
/
breakout.py
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
import pyb
import math
from lib.ssd1306 import Display
from lib.keyes import Joystick
from lib.engine import Game, rectangle, text
GAME_NOT_STARTED = 0
GAME_ACTIVE = 1
GAME_OVER = 2
BRICK_W = 12
BRICK_H = 6
BRICK_BORDER = 4
BRICK_ROWS = 3
PADDLE_W = 16
PADDLE_H = 4
BALL_W = 3
BALL_H = 3
BALL_SPEED = 6
BALL_SPEED_BORDER = 0.5
def splash(w, h):
for n in range(0, w, 20):
yield from rectangle(x=n, y=0, w=10, h=h, fill=True)
yield from rectangle(x=0, y=17, w=w, h=30, fill=False)
yield from text(x=0, y=20, string='BREAKOUT', size=3)
def brick(data):
yield from rectangle(x=data['x'] + BRICK_BORDER,
y=data['y'] + BRICK_BORDER,
w=BRICK_W - BRICK_BORDER,
h=BRICK_H - BRICK_BORDER,
fill=True)
def paddle(data):
yield from rectangle(x=data['x'], y=data['y'],
w=PADDLE_W, h=PADDLE_H,
fill=True)
def ball(data):
yield from rectangle(x=data['x'], y=data['y'],
w=BALL_W, h=BALL_H, fill=True)
def deck(state):
for brick_data in state['bricks']:
yield from brick(brick_data)
yield from paddle(state['paddle'])
yield from ball(state['ball'])
def game_over():
yield from text(x=0, y=20, string='GAMEOVER', size=3)
def view(state):
if state['status'] == GAME_NOT_STARTED:
yield from splash(state['display']['width'],
state['display']['height'])
else:
yield from deck(state)
if state['status'] == GAME_OVER:
yield from game_over()
def get_initial_game_state(state):
state['status'] = GAME_ACTIVE
state['bricks'] = [{'x': x, 'y': yn * BRICK_H}
for x in range(0, state['display']['width'], BRICK_W)
for yn in range(BRICK_ROWS)]
state['paddle'] = {'x': (state['display']['width'] - PADDLE_W) / 2,
'y': state['display']['height'] - PADDLE_H}
ball_vx = BALL_SPEED_BORDER + pyb.rng() % (BALL_SPEED - BALL_SPEED_BORDER)
ball_vy = -math.sqrt(BALL_SPEED ** 2 - ball_vx ** 2)
state['ball'] = {'x': (state['display']['width'] - BALL_W) / 2,
'y': state['display']['height'] - PADDLE_H * 2 - BALL_W,
'vx': ball_vx,
'vy': ball_vy}
return state
def update_paddle(paddle, joystick, w):
paddle['x'] += int(joystick['x'] / 10)
if paddle['x'] < 0:
paddle['x'] = 0
elif paddle['x'] > (w - PADDLE_W):
paddle['x'] = w - PADDLE_W
return paddle
def calculate_velocity(ball, item_x, item_w):
intersection = (item_x + item_w - ball['x']) / item_w
vx = ball['vx'] + BALL_SPEED * (0.5 - intersection)
if vx > BALL_SPEED - BALL_SPEED_BORDER:
vx = BALL_SPEED - BALL_SPEED_BORDER
elif vx < BALL_SPEED_BORDER - BALL_SPEED:
vx = BALL_SPEED_BORDER - BALL_SPEED
vy = math.sqrt(BALL_SPEED ** 2 - vx ** 2)
if ball['vy'] > 0:
vy = - vy
return vx, vy
def collide(ball, item, item_w, item_h):
return item['x'] - BALL_W < ball['x'] < item['x'] + item_w \
and item['y'] - BALL_H < ball['y'] < item['y'] + item_h
def update_ball(state):
state['ball']['x'] += state['ball']['vx']
state['ball']['y'] += state['ball']['vy']
# Collide with left/right wall
if state['ball']['x'] <= 0 or state['ball']['x'] >= state['display']['width']:
state['ball']['vx'] = - state['ball']['vx']
# Collide with top wall
if state['ball']['y'] <= 0:
state['ball']['vy'] = -state['ball']['vy']
# Collide with paddle
if collide(state['ball'], state['paddle'], PADDLE_W, PADDLE_H):
vx, vy = calculate_velocity(state['ball'], state['paddle']['x'], PADDLE_W)
state['ball'].update(vx=vx, vy=vy)
# Collide with brick
if state['ball']['y'] <= BRICK_ROWS * BRICK_W:
for n, brick in enumerate(state['bricks']):
if collide(state['ball'], brick, BRICK_W, BRICK_H):
vx, vy = calculate_velocity(state['ball'], brick['x'], BRICK_W)
state['ball'].update(vx=vx, vy=vy)
state['bricks'].pop(n)
return state
def is_game_over(state):
return not state['bricks'] or state['ball']['y'] > state['display']['height']
def controller(state):
if state['status'] in (GAME_NOT_STARTED, GAME_OVER)\
and state['joystick']['clicked']:
state = get_initial_game_state(state)
elif state['status'] == GAME_ACTIVE:
state['paddle'] = update_paddle(state['paddle'], state['joystick'],
state['display']['width'])
state = update_ball(state)
if is_game_over(state):
state['status'] = GAME_OVER
return state
initial_state = {'status': GAME_NOT_STARTED}
breakout = Game(display=Display(pinout={'sda': 'Y10',
'scl': 'Y9'},
height=64,
external_vcc=False),
joystick=Joystick('X1', 'X2', 'X3'),
initial_state=initial_state,
view=view,
controller=controller)
if __name__ == '__main__':
breakout.run()