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
|
#!/usr/bin/python
import aud, math, time
def parseNotes(notes, bpm, basefreq, rate = 44100,
notechars = "XXXCXDXEFXGXAXHcXdXefXgXaXhp"):
pos = 0
fadelength = 60/bpm/10
halfchars = "#b"
durationchars = "2345678"
sound = None
while pos < len(notes):
char = notes[pos]
mod = None
dur = 1
pos += 1
while pos < len(notes) and notes[pos] not in notechars:
if notes[pos] in halfchars:
mod = notes[pos]
elif notes[pos] in durationchars:
dur = notes[pos]
pos += 1
freq = notechars.find(char)
if mod == '#':
freq += 1
elif mod == 'b':
freq -= 1
freq = math.pow(2, freq/12)*basefreq
length = float(dur)*60/bpm
snd = aud.Sound.square(freq, rate)
if char == 'p':
snd = snd.volume(0)
snd = snd.limit(0, length)
snd = snd.fadein(0, fadelength)
snd = snd.fadeout(length - fadelength, fadelength)
if sound:
sound = sound.join(snd)
else:
sound = snd
return sound
def tetris(bpm = 300, freq = 220, rate = 44100):
notes = "e2Hcd2cH A2Ace2dc H3cd2e2 c2A2A4 pd2fa2gf e3ce2dc H2Hcd2e2 c2A2A2p2"
s11 = parseNotes(notes, bpm, freq, rate)
notes = "e4c4 d4H4 c4A4 G#4p4 e4c4 d4H4 A2c2a4 g#4p4"
s12 = parseNotes(notes, bpm, freq, rate)
notes = "EeEeEeEe AaAaAaAa AbabAbabAbabAbab AaAaAAHC DdDdDdDd CcCcCcCc HhHhHhHh AaAaA2p2"
s21 = parseNotes(notes, bpm, freq, rate, notechars = "AXHCXDXEFXGXaXhcXdXefXgXp")
notes = "aeaeaeae g#dg#dg#dg#d aeaeaeae g#dg#dg#2p2 aeaeaeae g#dg#dg#dg#d aeaeaeae g#dg#dg#2p2"
s22 = parseNotes(notes, bpm, freq/2, rate)
return s11.join(s12).join(s11).volume(0.5).mix(s21.join(s22).join(s21).volume(0.3))
if __name__ == "__main__":
dev = aud.Device()
handle = dev.play(tetris(300, 220, dev.rate))
while handle.status:
time.sleep(0.1)
|