joymidi.py ver.0.1.0 - ジョイスティックでMIDIを鳴らす
とりあえずテストで作ってみました。
Python 2.7 + Pygame 1.9 で動かしてください。
……あ、XBOX360用ジョイパッドでないとうまく動かないかと思います。
マイクロソフト ゲームコントローラー 有線/Xbox/Windows対応 ブラック Xbox360 Controller for Windows 52A-00006
- 出版社/メーカー: マイクロソフト
- 発売日: 2011/04/20
- メディア: Personal Computers
- 購入: 29人 クリック: 106回
- この商品を含むブログ (10件) を見る
【Xbox 360/Windows PC 対応】 Xbox 360 コントローラー (リキッド ブラック)
- 発売日: 2010/11/24
- メディア: Video Game
- 購入: 24人 クリック: 73回
- この商品を含むブログ (9件) を見る
使い方
- 左アナログスティックをグルグル回すと音程が変わります(1回りで1オクターブ上下)
- Aボタンで発音
- 左右のアナログトリガーで音量とビブラートがセットで変化
- 十字キーで楽器が変わります
- BACKボタンで終了(キーボードのESCやウインドウの×でも可)
from __future__ import division import math import pygame import pygame.midi from pygame.locals import * SCREEN_SIZE = 640, 480 FONT_COLOR = 255, 255, 255 BG_COLOR = 0, 0, 50 FPS = 60 GM = '''1 Acostic Grand Piano 2 Bright Acostic Piano 3 Electric Grand Piano 4 Honky-Tonk Piano 5 Electric Piano 1 6 Electric Piano 2 7 Harpsicord 8 Clavi 9 Celesta 10 Glockenspiel 11 Music Box 12 Vibraphone 13 Marimba 14 Xylophone 15 Tubular Bells 16 Dulcimer 17 Drawber Organ 18 Percussive Organ 19 Rock Organ 20 Church Organ 21 Reed Organ 22 Accordion 23 Harmonica 24 Tango Accordion 25 Acostic Guitar (nylon) 26 Acostic Guitar (steel) 27 Electric Guitar (jazz) 28 Electric Guitar (clean) 29 Electric Guitar (muted) 30 Overdriven Guitar 31 Distortion Guitar 32 Guitar Harmonics 33 Acosic Bass 34 Electric Bass (finger) 35 Electric Bass (pick) 36 Fretless Bass 37 Slap Bass 1 38 Slap Bass 2 39 Synth Bass 1 40 Synth Bass 2 41 Violin 42 Viola 43 Cello 44 Contrabass 45 Tremoro Strings 46 Pizzicato Strings 47 Orchestral Harp 48 Timpani 49 String Ensamble 50 String Ensamble 2 51 Synth Strings 1 52 Synth Strings 2 53 Choir Aahs 54 Voice Oohs 55 Synth Voice 56 Orchestra Hit 57 Trumpet 58 Trombone 59 Tuba 60 Muted Trumpet 61 French Horn 62 Brass Section 63 Synth Brass 1 64 Synth Brass 2 65 Soprano Sax 66 Alto Sax 67 Tenor Sax 68 Baritone Sax 69 Oboe 70 English Horn 71 Bassoon 72 Clarinet 73 Piccolo 74 Flute 75 Recorder 76 Pan Flute 77 Bottle Blow 78 Shakuhachi 79 Whistle 80 Ocarina 81 Lead 1 (square) 82 Lead 2 (sawtooth) 83 Lead 3 (caliope) 84 Lead 4 (chiff) 85 Lead 5 (charang) 86 Lead 6 (voice) 87 Lead 7 (fifth) 88 Lead 8 (bass+lead) 89 Pad 1 (new age) 90 Pad 2 (warm) 91 Pad 3 (polysynth) 92 Pad 4 (choir) 93 Pad 5 (bowed) 94 Pad 6 (metalic) 95 Pad 7 (halo) 96 Pad 8 (sweep) 97 FX (rain) 98 FX (soundtrack) 99 FX (crystal) 100 FX (atmosphere) 101 FX (brightness) 102 FX (goblins) 103 FX (echoes) 104 FX (sci-fi) 105 Sitar 106 Banjo 107 Shamisen 108 Koto 109 Kalimba 110 Bagpipe 111 Fiddle 112 Shanai 113 Tinkle Bell 114 Agogo 115 Steel Drums 116 Woodblock 117 Taiko Drum 118 Melodic Tom 119 Synth Drum 120 Reverse Cymbal 121 Guitar Fret Noise 122 Breath Noise 123 Seashore 124 Bird Tweet 125 Telephone Ring 126 Helicopter 127 Applause 128 Gun Shot''' GM = dict([(int(i.split()[0]) - 1, i) for i in GM.split('\n')]) KEY = 'C C# D D# E F F# G G# A A# B'.split() def joystick(joy): axes = [joy.get_axis(i) for i in range(joy.get_numaxes())] buttons = [joy.get_button(i) for i in range(joy.get_numbuttons())] hats = [joy.get_hat(i) for i in range(joy.get_numhats())] return axes, buttons, hats def put_text(surface, text, pos, fontsize=72, color=FONT_COLOR, fontname=None): font = pygame.font.Font(fontname, fontsize) textsurface = font.render(text, True, color) surface.blit(textsurface, pos) x, y = pos return x + textsurface.get_width(), y + textsurface.get_height() def set_expression(midiout, expression=0.0, ch=0): modulation = min(127, int(abs(expression) * 128)) midiout.write_short(0xb0 + ch, 0x01, modulation) exp = min(127, int((expression + 1) * 128 / 2)) midiout.write_short(0xb0 + ch, 0x0b, exp) return exp, modulation def get_note(x, y): return int((math.atan2(y, x) / math.pi + 1) * 6 + 0.5) def main(): screen = pygame.display.set_mode(SCREEN_SIZE) pygame.display.set_caption('hoge') background = pygame.Surface(screen.get_size()).convert() clock = pygame.time.Clock() joycount = pygame.joystick.get_count() if joycount: joy = pygame.joystick.Joystick(0) joy.init() print '%s, axex: %d, buttons: %d, hats: %d' % ( joy.get_name(), joy.get_numaxes(), joy.get_numbuttons(), joy.get_numhats()) else: print 'Joystick not found.' return pygame.midi.init() midi_id = pygame.midi.get_default_output_id() midiout = pygame.midi.Output(midi_id) print pygame.midi.get_device_info(midi_id) clock.tick() old_note = None note = old_note instrument = 0 midiout.set_instrument(instrument) expression = 0.0 exp, modulation = set_expression(midiout, expression) hat_y = 0 old_n = 0 base = 0 while True: background.fill(BG_COLOR) axes, buttons, hats = joystick(joy) hy = -hats[0][0] * 8 + hats[0][1] if hat_y != hy: instrument -= hy if instrument < 0: instrument = 127 elif instrument > 127: instrument = 0 hat_y = hy midiout.set_instrument(instrument) y = 20 x, y = put_text(background, GM[instrument], (20, y)) a = -axes[2] if a != expression: expression = a exp, modulation = set_expression(midiout, expression) x, y = put_text(background, 'exp:%3d, mod:%3d' % (exp, modulation), (20, y)) if max(abs(axes[0]), abs(axes[1])) < 0.3: base = n = 0 else: n = get_note(axes[0], axes[1]) if n >= 12: n = 0 if n < old_n - 6: base += 12 elif n > old_n + 6: base -= 12 old_n = n o, k = divmod(n + base + 60, 12) x, y = put_text(background, '%s%d' % (KEY[k], o - 2), (20, y), 72 * 6) if buttons[0] and note is None: note = base + 60 + n old_note = note midiout.note_on(note, 100) elif not buttons[0] and note is not None: midiout.note_off(old_note) old_note = note = None screen.blit(background, (0, 0)) pygame.display.flip() for event in pygame.event.get(): if event.type == QUIT: return elif event.type == KEYDOWN and event.key == K_ESCAPE: return if buttons[6]: # Back return clock.tick(FPS) pygame.display.set_caption('%.2f fps' % clock.get_fps()) try: pygame.init() main() finally: pygame.quit() ## パブリックドメイン。好きに流用してください。
