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PythonͰϥΠϒΛ͠Α͏ʂ
FoxDotΛͬͨ
৽࣌ͷPython׆༻๏
MFWFM"MM
ాத৻ଠ !@TJO@UBOBLB
IBTIUBHQZDPOKQQZDPOKQ@
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ରͷํ
w 1ZUIPOॻ͚Δ
w ԻූಡΊͳ͍͚Ͳ1ZUIPOಡΊΔ
w ϓϩάϥϛϯάͰԻָΛͭ͘Δ͜ͱʹڵຯ͕͋Δ
w ԻָϊίτνϣοτϫΧϧ
w Իָ༻ޠͷղઆল͖·͢
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ాத৻ଠ
ʢגʣຊγεςϜٕݚ(FFL-BC/"("/0ελοϑ
ԻָͱਂϥδΦ͕͖
!@TJO@UBOBLB
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<"%>גࣜձࣾຊγεςϜٕݚ +4-
• ࡢʹҾ͖͖ͭͮɺࠓ1Z$PO+1εϙϯαʔ
• ࠓͳΜͱ(PME
• ݝࢢͷձࣾ
• 1ZUIPO%KBOHPΛ༻ͨ͠8FCΞϓϦέʔγϣϯͷडୗ։ൃٴͼɺαʔόʔϨε
ΞʔΩςΫνϟΛ༻ͨ͠ϑϩϯτΤϯυҊ݅*P5Ҋ݅ͱ͍ͬͨϓϩμΫτ։ൃ
ͬͯ·͢
• ίϛϡχςΟεϖʔεʮ(&&,-"#/"("/0ʯͷӡӦ
• ࠓ͔ΒϚείοτΩϟϥΫλʔ͕ੜ
• ؔ౦ݍͷ͓٬༷Λத৺ʹϦϞʔτϫʔΫͰ͓ࣄΛΒ͍͍ͤͯͯΔ
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ϥΠϒίʔσΟϯά֓ཁ
'PY%PUͷ͍ํ
%&.0
1ZUIPOͷจ๏ͰಡΈղ͘
ΞδΣϯμ
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Ϟνϕʔγϣϯ
w ͱͱझຯͰ%5.
w ϥΠϒίʔσΟϯάͷଘࡏͬͯͨ
w ͱ͍͑ϓϩάϥϛϯά͢Δඞཁͳ͘ͳ͍ʁ!
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Ϟνϕʔγϣϯ
4PVSDFIUUQTXJSFEKQBMHPSBWFTMJWFDPEJOHEKT
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Ϟνϕʔγϣϯ
4PVSDF(PPHMFը૾ݕࡧ
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ϥΠϒίʔσΟϯάͱ
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ϥΠϒίʔσΟϯάͬͯԿʁ
> Live coding is a new direction in electronic music and
video, and is getting somewhere interesting. Live coders
expose and rewire the innards of software while it
generates improvised music and/or visuals. All code
manipulation is projected for your pleasure.
ɹɹɹɹɹɹɹɹɹɹɹɹtoplap.org/about ΑΓҾ༻
w 0OUIFqZQSPHSBNNJOH
w +VTUJOUJNFQSPHSBNNJOH
BLB
Իָө૾ΛΠϯλϥΫςΟϒʹੜ͢Δ
ϥΠϒɾύϑΥʔϚϯε
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ԿͰϥΠϒίʔσΟϯάʁ
!%"8γʔέϯαͰಉ͜͡ͱͰ͖ΔͷͰʁ
ΞϧΰϦζϛοΫͳΞϓϩʔν͕Մೳ
࠶ݱੑ
࡞ΓࠐΈ
ۮવੑ
ଈڵੑ
ϧʔύʔΛͬͨϥΠϒύϑΥʔϚϯε͕ํੑ͍͔ۙʁ
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Ͳ͏ͬͯϥΠϒίʔσΟϯάʁ
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Ͳ͏ͬͯϥΠϒίʔσΟϯάʁ
ιϑτ໊ ݴޠ
'PY%PU 1ZUIPO
5JEBM$ZDMF )BTLFMM
4POJD1J 3VCZ
0WFSUPOF $MPKVSF
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'PY%PU
w 4VQFS$PMJEFSΛ1ZUIPO͔Βૢ࡞Ͱ͖ΔϥΠϒϥϦ
w 4VQFS$PMJEFSʜԻ߹༻ͷϓϩάϥϛϯάݴޠٴ
ͼڥ
w IUUQTGPYEPUPSH
w IUUQTHJUIVCDPN2JSLZ'PY%PU
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'PY%PU
6TFS
X1ZUIPO4ZOUBY
04$
0QFO4PVOE$POUSPM
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1 Clock.bpm = 120
2 Root.default = ‘C’
3 Scale.default = ‘major’
4
5 d1 >> play(“X-O-”)
6 d2 >> play(“#”, dur=32)
7
8 p1 >> pluck([0,1,2,3,4,3,2,1], dur=1/2, amp=1.5)
9 p2 >> blip(P[0,var([2,4])], dur=1/4, oct=6)
10
11 vo >> loop(‘some/path/file.wav’, dur=4)
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1 Clock.bpm = 120
2 Root.default = ‘C’
3 Scale.default = ‘major’
4
5 d1 >> play(“X-O-”)
6 d2 >> play(“#”, dur=32)
7
8 p1 >> pluck([0,1,2,3,4,3,2,1], dur=1/2, amp=1.5)
9 p2 >> blip(P[0,var([2,4])], dur=1/4, oct=6)
10
11 vo >> loop(‘some/path/file.wav’, dur=4)
SynthDefs
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1 Clock.bpm = 120
2 Root.default = ‘C’
3 Scale.default = ‘major’
4
5 d1 >> play(“X-O-”)
6 d2 >> play(“#”, dur=32)
7
8 p1 >> pluck([0,1,2,3,4,3,2,1], dur=1/2, amp=1.5)
9 p2 >> blip(P[0,var([2,4])], dur=1/4, oct=6)
10
11 vo >> loop(‘some/path/file.wav’, dur=4)
PlayerObject
SynthDefs
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1 Clock.bpm = 120
2 Root.default = ‘C’
3 Scale.default = ‘major’
4
5 d1 >> play(“X-O-”)
6 d2 >> play(“#”, dur=32)
7
8 p1 >> pluck([0,1,2,3,4,3,2,1], dur=1/2, amp=1.5)
9 p2 >> blip(P[0,var([2,4])], dur=1/4, oct=6)
10
11 vo >> loop(‘some/path/file.wav’, dur=4)
PatternObject
PlayerObject
SynthDefs
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1 Clock.bpm = 120
2 Root.default = ‘C’
3 Scale.default = ‘major’
4
5 d1 >> play(“X-O-”)
6 d2 >> play(“#”, dur=32)
7
8 p1 >> pluck([0,1,2,3,4,3,2,1], dur=1/2, amp=1.5)
9 p2 >> blip(P[0,var([2,4])], dur=1/4, oct=6)
10
11 vo >> loop(‘some/path/file.wav’, dur=4)
TimeDependentVar
PatternObject
PlayerObject
SynthDefs
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4ZOUI%FGT
w 'PY%PUͷσϑΥϧτͰ༻ҙ͞Ε͍ͯΔԻ৭܈
QMBZʜυϥϜԻݯ
w TUSPS1BUUFSO0CKFDUΛ͢
w ֤จࣈʹผʑͷԻݯׂ͕ΓৼΒΕ͍ͯΔ
MPPQʜࣗલͰ༻ҙͨ͠ԻϑΝΠϧͷϧʔϓ
w ԻϑΝΠϧͷύεΛ͢
ͦΕҎ֎ʜγϯηαΠβʔͬΆ͍Ի৭
w MJTUPS1BUUFSO0CKFDUΛ͢
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1MBZFS0CKFDU
w 4ZOUI%FGTΛૢ࡞͢Δ
w ଐੑΛฤू͢Δ͜ͱͰԻ৭Իߴɺ͞ΛมߋՄೳ
1 p9 >> pluck(dur=1)
2
3 # 音の長さ(default: play=1/2, other=1)
4 p9.dur = 2
5
6 # 音量(default: 1)
7 p9.amp = 2
8
9 # 音高
10 p9.degree = [0,1,2,3]
11
12 # オクターブ(default: 5)
13 p9.oct = 7
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w ܁Γฦ͠Λදݱ͢ΔΦϒδΣΫτ
w MJTUͷ಄ʹ1Λ͚ͭΔ
w ͍͜ͳ͢ͱͳίʔυΛආ͚ΒΕΔ
1 # list
2 plain_list = [0,1,2,3]
3
4 # PatternObject
5 plain_pattern = P[0,1,2,3]
6
1BUUFSO0CKFDU
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w 1ZUIPOͷMJTUͱҧ͏ڍಈ
w ศརͳϝιου͕ੜ͑ͯΔ
1 plain_list = [0,1,2,3]
2 plain_pattern = P[0,1,2,3]
3
4 # add
5 plain_list + [4,5,6,7] # [0, 1, 2, 3, 4, 5, 6, 7]
6 plain_pattern + [4,5,6,7] # P[4, 6, 8, 10]
7
8 # mul
9 plain_list * 2 # [0, 1, 2, 3, 0, 1, 2, 3]
10 plain_pattern * 2 # P[0, 1, 4, 6]
11
12 plain_pattern.reverse() # P[3,2,1,0]
13 plain_pattern.shuffle() # P[3,1,2,0]
14 plain_pattern.trim(3) # P[0,1,2]
15
1BUUFSO0CKFDU
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5JNF%FQFOEFOU7BSJBCMFT
w ࣌ؒͰมԽ͢Δ
w $MPDLʹґଘ
1 # 4拍ごとに0→1→2→3のように変化
2 time_depend_var = var([0,1,2,3],4)
3
4 # 4拍ごとに0→1→2→3のように徐々に変化
5 time_depend_var_linear = linvar([0,1,2,3],4)
6
7 # Clockに依存するので実行ごとに結果が変わる
8 print(time_depend_var)
9 print(time_depend_var_linear)
10
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DEMO
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͜Εͬͯ1ZUIPOͳͷ͔ɾɾɾʁ
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1ZUIPOͷจ๏ʹͯΊͯΈΔ
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1ZUIPOͷจ๏ͰಡΈղ͘'PY%PU
1 # 何をしているのか？
2 d1 >> play(“X-O-”)
3
4 # シフト演算子?
5 x = 0b_0001_0001
6
7 # 左シフト演算子
8 bin(x << 3) # 0b_1000_1000
9 # 右シフト演算子
10 bin(x >> 3) # 0b_10
11
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w ಛघϝιου
w @@IPHF@@ TFMG
1 class OverrideCall:
2 """
3 instanceを関数呼び出ししたときの挙動を上書きする
4 """
5 def __call__(self):
6 return 'call'
7
8 foo = OverrideCall()
9
10 foo() # 'call'
1ZUIPOͷจ๏ͰಡΈղ͘'PY%PU
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w γϑτԋࢉࢠͷಈ͖Λ্ॻ͖
1 foo = ''
2
3 class OverrideShift:
4 def __rshift__(self, other):
5 return 'override shift'
6
7 bar = OverrideShift()
8 bar >> foo # override shift
9
1ZUIPOͷจ๏ͰಡΈղ͘'PY%PU
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ú
1 plain_list = [0,1,2,3]
2 plain_pattern = P[0,1,2,3]
3
1ZUIPOͷจ๏ͰಡΈղ͘'PY%PU
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w EJDUͷΑ͏ʹΞΫηεͨ͠ͱ͖ͷಈ͖Λ্ॻ͖
1 class ExtDict:
2 def __getitem__(self, args):
3 return args
4
5 d = ExtDict()
6 d['foo', 'bar'] # ('foo', 'bar')
7
1ZUIPOͷจ๏ͰಡΈղ͘'PY%PU
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ࠓͨ͜͠ͱ·ͱΊ
w ϥΠϒίʔσΟϯάͱ͍͏จԽ
w 1ZUIPOͱ͍͑ʜ
w σʔλੳ
w 8FC
w ϥΠϒίʔσΟϯάˡ/FX
w 1ZUIPOͷಛघΫϥεͰ৭ʑมΘΔ
w ԋࢉࢠͷڍಈ
w ࣙॻతʹΞΫηεͨ͠ͱ͖ͷڍಈʑʜ
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More info…
w GPYEPUPSH
w UPQMBQPSH
w -JWFDPEJOHͷਪਐஂମ
w 1Z$PO$;
w 3ZBO,JSLCSJEF1SPHSBNNJOH.VTJDGPS1FSGPSNBODF-JWFDPEJOH
XJUI'PY%PUIUUQTXXXZPVUVCFDPNXBUDI
W93/'#;M#FV*UT
w 1ZUIPO-JWF$PEJOHc0,$PNQVUFS
w ٕज़ॻలͰ൦IUUQTPLDPNQVUFSCPPUIQNJUFNT
w ZPQQBPSH
w ϥΠϒίʔσΟϯάͷॻ੶ग़ͨ͠ΓେֶͰߨ͍ٛͯ͠Δํͷ)1
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͝ਗ਼ௌ
͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ