Joerg Mueller
986267300b
Deleting the old internal audaspace. Major changes from there are: - The whole library was refactored to use C++11. - Many stability and performance improvements. - Major Python API refactor: - Most requested: Play self generated sounds using numpy arrays. - For games: Sound list, random sounds and dynamic music. - Writing sounds to files. - Sequencing API. - Opening sound devices, eg. Jack. - Ability to choose different OpenAL devices in the user settings.
64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
#!/usr/bin/python
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import aud, math, time
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def parseNotes(notes, bpm, basefreq, rate = 44100,
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notechars = "XXXCXDXEFXGXAXHcXdXefXgXaXhp"):
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pos = 0
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fadelength = 60/bpm/10
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halfchars = "#b"
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durationchars = "2345678"
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position = 0
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sequence = aud.Sequence()
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while pos < len(notes):
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char = notes[pos]
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mod = None
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dur = 1
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pos += 1
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while pos < len(notes) and notes[pos] not in notechars:
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if notes[pos] in halfchars:
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mod = notes[pos]
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elif notes[pos] in durationchars:
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dur = notes[pos]
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pos += 1
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freq = notechars.find(char)
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if mod == '#':
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freq += 1
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elif mod == 'b':
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freq -= 1
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freq = math.pow(2, freq/12)*basefreq
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length = float(dur)*60/bpm
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if char != 'p':
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note = aud.Sound.square(freq, rate).fadein(0, fadelength).fadeout(length - fadelength, fadelength)
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sequence.add(note, position, position + length, 0)
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position += length
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return sequence.limit(0, position)
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def tetris(bpm = 300, freq = 220, rate = 44100):
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notes = "e2Hcd2cH A2Ace2dc H3cd2e2 c2A2A4 pd2fa2gf e3ce2dc H2Hcd2e2 c2A2A2p2"
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s11 = parseNotes(notes, bpm, freq, rate)
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notes = "e4c4 d4H4 c4A4 G#4p4 e4c4 d4H4 A2c2a4 g#4p4"
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s12 = parseNotes(notes, bpm, freq, rate)
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notes = "EeEeEeEe AaAaAaAa AbabAbabAbabAbab AaAaAAHC DdDdDdDd CcCcCcCc HhHhHhHh AaAaA2p2"
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s21 = parseNotes(notes, bpm, freq, rate, notechars = "AXHCXDXEFXGXaXhcXdXefXgXp")
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notes = "aeaeaeae g#dg#dg#dg#d aeaeaeae g#dg#dg#2p2 aeaeaeae g#dg#dg#dg#d aeaeaeae g#dg#dg#2p2"
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s22 = parseNotes(notes, bpm, freq/2, rate)
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return s11.join(s12).join(s11).volume(0.5).mix(s21.join(s22).join(s21).volume(0.3))
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if __name__ == "__main__":
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dev = aud.Device()
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handle = dev.play(tetris(300, 220, dev.rate))
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while handle.status:
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time.sleep(0.1)
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