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VEDA GLSL Livecoding workshop
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Amagi
April 28, 2018
Technology
2
5.2k
VEDA GLSL Livecoding workshop
Presented at TOPLAP Japan Vol.2 workshop at Kyoto
Amagi
April 28, 2018
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Transcript
amagitakayosi GLSL Livecoding Workshop
͡Ί·ͯ͠ʂ ʜʜͷલʹ
ߨٛͷ४උΛ͓ئ͍͠·͢ w ͜ͷεϥΠυͷ63-IUUQTCJUMZS"MEF w αϯϓϧϑΝΠϧΛμϯϩʔυͯ͠Լ͍͞ IUUQTCJUMZ)[H#S w ࣍ʹɺ7&%"ͷΞοϓσʔτΛ͓ئ͍͠·͢
7&%"ͷΞοϓσʔτ w $NE Ͱઃఆը໘Λ։͘
7&%"ͷΞοϓσʔτ w $NE Ͱઃఆը໘Λ։͘
7&%"ͷΞοϓσʔτ w 6QEBUFϘλϯΛԡ͢
7&%"ͷΞοϓσʔτ w "UPNΛ࠶ىಈ
7&%"Λىಈͯ͠ΈΑ͏ w $NE 4IJGU 1ˠlWFEBUPHHMFzΛ࣮ߦ
w $NE 4IJGU 1ˠlWFEBUPHHMFzΛ࣮ߦ
Α͋͘ΔΤϥʔ w lHMTMBOH7BMJEBUPSOPUGPVOEzΈ͍ͨͳౕ w HMTMBOH7BMJEBUPSͷΠϯετʔϧΛ͓ئ͍͠·͢ w IUUQTWFEBHMJOTUBMM MBOHKBHMTMBOHWBMJEBUPS w ӈԼʹϚʔΫ͕ͰͯΔ࣌
w ϚʔΫΛΫϦοΫͯ͠ɺ3FCVJME࠶ىಈ͢ΔͱΔ ͣ
@amagitakayosi
GLSLͰVJͯ͠·͢ https://twitter.com/mactkg/status/944246499818422272
(-4-ྺ w (-4-ʹΑΔ7+ΛݟͯিܸΛड͚Δ w 7&%"࡞։࢝ w ϥΠϒίʔσΟϯά7+σϏϡʔ w ౦ژ/PEFֶԂࡇ w
"MHPSBWF5PLZP
(-4-ྺ w (-4-ʹΑΔ7+ΛݟͯিܸΛड͚Δ w 7&%"࡞։࢝ w ϥΠϒίʔσΟϯά7+σϏϡʔ w ౦ژ/PEFֶԂࡇ w
"MHPSBWF5PLZP ͬͯΈΕ ҙ֎ͱ͙͢ ग़དྷΔΑ͏ʹͳΓ·͢ʂ
ࠓͷϝχϡʔ w (-4-֓આ w ϑϥάϝϯτγΣʔμʔجૅ w ಈըʹΤϑΣΫτΛ͔͚Δ w γΣʔμʔͱͷ߹ͤ w
͕࣌ؒ͋Ε Իೖྗ
εϩʔΨϯΘ͔Βͳͯ͘ؾʹ͠ͳ͍ w ࡉ͔͍ܭࢉͱ͔ޙͰࢿྉݟΕ͍͍Ͱ͢ w ʮϥΠϒίʔσΟϯάͰ͜Μͳ͜ͱ͕ग़དྷΔ ΜͩͳʙʯΈ͍ͨͳࣄΛײ͡Δͷ͕େࣄ
GLSL
(-4-ͱ w 0QFO(-8FC(-ͷγΣʔμʔݴޠ w ϒϥβ্Ͱը૾ॲཧͨ͠Γ w 7+ιϑτͷΤϑΣΫτͱͯ͠ར༻͞ΕͨΓ w ϥΠϒίʔσΟϯά7+ͰΑ͘ΘΕΔ
γΣʔμʔͱ w %άϥϑΟοΫʹ͓͍ͯɺମͷҐஔ ϥΠςΟϯάɺ৭ͳͲΛܭࢉ͢ΔϓϩάϥϜ w γΣʔμʔݴޠଞʹ)-4- %JSFDU9 .FUBM J04
w ߦྻͳͲɺը૾ॲཧʹศརͳ͕ؔଟ͍ w (16ʹΑΔߴͳॲཧ͕Մೳ
γΣʔμʔΞʔτ w (-4-(16ͷύϫʔΛϑϧ׆༻Ͱ͖Δ w ʮ(-4-͚ͩͰෳࡶͳάϥϑΟοΫදݱΛ ɹඳըͰ͖ΔͷͰʁʯ w ͳ͔ͥ୯ମͰΞχϝʔγϣϯΛ࡞ͬͨΓ ϥΠϒίʔσΟϯά7+͢Δਓ͕ݱΕΔ
ࢀߟLJOUSPl&MFWBUFEz IUUQTXXXZPVUVCFDPNXBUDI WK#W#NJ5SP
γΣʔμʔͷछྨ w γΣʔμʔ w ςοηϨʔγϣϯγΣʔμʔʢࠓΒͳ͍ʣ w δΦϝτϦγΣʔμʔʢࠓΒͳ͍ʣ w ϑϥάϝϯτγΣʔμʔ
γΣʔμʔ w ϞσϧͷͷҐஔΛܭࢉ͢ΔγΣʔμʔ w ΧϝϥͷҐஔɺΩϟϥΫλʔͷҐஔ͔Β ͕ը໘ͷͲ͜ʹདྷΔ͔Λܭࢉ͢Δ w ҰͭҰͭʹର࣮͠ߦ͞ΕΔ
ϑϥάϝϯτγΣʔμʔ w ໘ͷ৭Λܭࢉ͢ΔγΣʔμʔ w ޫݯͷҐஔใ͔ΒӨΛܭࢉͨ͠Γ w ςΫενϟΛషͬͨΓ w ϐΫηϧҰͭҰͭʹର࣮͠ߦ͞ΕΔ w
'VMM)% GQTͩͱճඵ
ɹɹ7&%" w "UPNΤσΟλʔ্Ͱಈ࡞͢Δ (-4-ϥΠϒίʔσΟϯάڥ w ฤूதͷ(-4-ίʔυΛධՁͯ͠ ΤσΟλʔͷഎܠʹඳը͢Δ w γΣʔμʔϑϥάϝϯτγΣʔμʔʹରԠ
ୈҰষ ϑϥάϝϯτγΣʔμʔ جૅ
͜ͷষͷඪ w ϑϥάϝϯτγΣʔμʔ͚ͩͰਤܗΛඳ͘ w (-4-ͷجૅจ๏ΛֶͿ
௨ৗͷ%$( w ઍʙສݸͷͰཱମΛදݱ͠ɺ ϑϥάϝϯτγΣʔμʔͰ৭Λ͋ͯΔ
ϑϥάϝϯτγΣʔμʔΞʔτ w ࡾ֯ܗݸ γΣʔμʔͰશͯͷମΛදݱ ʢ൘ϙϦʣ
αϯϓϧϑΝΠϧΛ։͜͏
7&%"Λىಈͯ͠ΈΑ͏ w $NE 4IJGU 1ˠlWFEBUPHHMFzΛ࣮ߦ
w $NE 4IJGU 1ˠlWFEBUPHHMFzΛ࣮ߦ
TUFQGSBHΛ࣮ߦͯ͠ΈΑ͏ w $USM &OUFSͰ࣮ߦ
ίϝϯτΛ֎࣮ͯ͠ߦ w $USM ͰɺͦͷߦͷίϝϯτPOP⒎Ͱ͖·͢
͜ͷลΛͻͱͭͣͭ ίϝϯτ֎࣮ͯ͠ߦ NBD$NE XJO$USM
ͷछྨ w JOU w qPBUුಈখ w WFDdWFDϕΫτϧ
JOU w $ݴޠͳͲͰ͓ͳ͡Έ w AJOUBAͱॻ͘ w ͋Μ·ΘΜ w GPSϧʔϓͷΠϯσοΫε͘Β͍
qPBUුಈখ w AqPBUBAຢɹɹɹɹɹɹͱͱॻ͘ w ϑΝΠϧઌ಄ͷɹɹɹɹɹ qPBUͷਫ਼Λࢦఆ͍ͯ͠Δ w MPXQ NFEJVNQ IJHIQͷॱʹਫ਼͕ߴ͘ͳΔ
w ͍͍ͩͨNFEJVNQͰे
WFD WFD WFDϕΫλʔ w AqPBUBɹɹɹɹPS w ͱॻ͍ͯ0, ʢத͕JOUʹͳΔ༁Ͱͳ͍ʣ w ɹɹɹɹɹɹɹɹͱ͢Δͱ
CWFD ʹͳΔ TXJ[[MF
ϑϥάϝϯτγΣʔμʔͷྲྀΕ w γΣʔμʔϐΫηϧຖʹ࣮ߦ͞ΕΔ w HM@'SBH$PMPSʹɺͦͷϐΫηϧͷ৭Λ WFD S H C B
ܗࣜͰೖΕͯ͋͛Δ
7&%"Ͱ͑Δม w WFDHM@'SBH$PPSEϐΫηϧͷҐஔ w VOJGPSNม w qPBUUJNF7&%"ىಈ͔Βͷܦա࣌ؒ ඵ w
WFDSFTPMVUJPOΟϯυͷαΠζ
TUFQGSBHΛ࣮ߦͯ͠ΈΑ͏
TUFQGSBHΛ࣮ߦͯ͠ΈΑ͏
TUFQGSBHΛ࣮ߦͯ͠ΈΑ͏
ୈೋষ ಈըʹΤϑΣΫτΛ͔͚Δ
͜ͷষͷඪ w ಈըΛ࠶ੜ͠ΤϑΣΫτΛ͔͚Δํ๏Λ֮͑Δ w (-4-ͰԿΛͲ͏ͨ͠ΒͲ͏ͳΔͷ͔ɺ ͳΜͱͳ͘ײ֮Λ͔ͭΉ
WJEFPGSBHΛ࣮ߦͯ͠ΈΑ͏ w ͭͷಈըΛςΫενϟʹಡΈࠐΜͰ͍Δ
TBNQMFS%ςΫενϟ w ɹɹɹɹɹɹɹɹɹJOUBAͱॻ͘ͱ ςΫενϟͷ࠲ඪVWͷΛऔಘͰ͖Δ w VW ʙ
ͷൣғ
ಈըͷΓସ͑ํखಈ w *.1035&%ΛίϝϯτΞτͰΓସ͑ w ۂͷ͍͍ײ͡ͷͱ͜Ͱ$USM &OUFS w Ұ൪͍͍ͧ͢ʂʂʂ
ಈըͷΓସ͑ํࣗಈ w UJNFΛͬͯྑ͍ײ͡ʹΓସ͑Δ w lJG NPE UJNF zͨ͠Γ
w lHM@'SBH$PMPS TJO UJNF zͨ͠Γ w WJEFPGSBH͜ͷύλʔϯͰ͢Ͷ
ಈըͷΓସ͑ํ֎෦ೖྗ w Իʹ߹ΘͤͨΓɺ .*%*04$ೖྗΛͬͨΓ w ্ख͘Ͱ͖Δͱ͔͍͍ͬͧ͜ʂʂʂ
GYGSBHΛ࣮ߦͯ͠ΈΑ͏
7+ͰΑ͋͘ΔΤϑΣΫτ w ճస w Ώ͕Έ w ສ՚ڸͬΆ͍ͭ w 3(#ͣΒ͠ w
࠲ඪͣΒ͠
σΟεϓϨΠεϝϯτϚοϓ w WJEFPͷͰɺWJEFPͷදࣔҐஔΛ·ͤΔ
ୈࡾষ γΣʔμʔ
͜ͷষͷඪ w γΣʔμʔͷॻ͖ํΛ֮͑Δ w ઢʹΑΔॳาతͳදݱΛֶͿ
γΣʔμʔʹΑΔγΣʔμʔΞʔτ w IUUQTWFSUFYTIBEFSBSUDPN͕ൃʁ w %σʔλΛ༻͍ͣɺγΣʔμʔ͚ͩͰ ͷҐஔΛܭࢉ͢Δ w WBSZJOHWFDDPMPSͰͷ৭Λઃఆ w WBSZJOHมγΣʔμʔ͔Βϑϥάϝ
ϯτγΣʔμʔͤΔม
WFSUWFSUΛ࣮ߦͯ͠ΈΑ͏
γΣʔμʔͷྲྀΕ w HM@1PTJUJPOʹɺͦͷͷ࠲ඪΛ WFD Y Z [ X ܗࣜͰೖΕͯ͋͛Δ w
Xؾʹ͠ͳͯ͘ྑ͍Ͱ͢ʢৗʹͰʣ w HM@1PJOU4J[Fʹɺͷେ͖͞ΛೖΕΔ
γΣʔμʔͰԁΛඳ͘ w WFSUFY*Eͷ൪߸ w WFSUFY$PVOUͷ૯ w WFSUFY*E͔Β֯Λܭࢉͯ͠ɺTJODPTͰ ࠲ඪΛܭࢉ͢Εྑ͍ w WFSUFY*EWFSUFY$PVOU
ʙͱͳΔ
WFSUWFSU͕ԁΛඳ͘
ϓϦϛςΟϒλΠϓ w ίϝϯτͰWFSUFY.PEFΛมߋͰ͖Δ w 10*/54 -*/&4 53*"/(-&4ͳͲ w งғؾ͕ΨοͱมΘͬͯΓ্͕Δͧʂʂ
WFSUWFSU࠷ऴܗଶ
QBSUJDMFGSBHղઆ w γΣʔμͰਤܗΛඳ͍ͯ ϑϥάϝϯτγΣʔμͰΤϑΣΫτ͔͚ͯΔ w WFSUFY.PEFͰඳըϞʔυΓସ͑ w 53*"/(-&4Ҏ֎ͷͱ͖WFSUFY$PVOUΛ ૿͠·͠ΐ͏ʢຯͳͷͰʣ
None
ୈ࢛ষ ԻೖྗΛར༻͢Δ
͜ͷষͷඪ w ԻʹԠ͢ΔΞχϝʔγϣϯΛֶͿ w ֎෦ೖྗΛ༗ޮ׆༻͢Δํ๏Λߟ͑Δ
7&%"Ͱ֎෦ೖྗΛ͏ w ϑΝΠϧͷઌ಄ʹ ͳͲΛՃ w NJEJͷ࣌ w Χϝϥͷ࣌
Իೖྗ w ҎԼͷVOJGPSN͕͑·͢ w qPBUWPMVNFϘϦϡʔϜ w TBNQMFS%TBNQMFTܗ w TBNQMFS%TQFDUSVNपଳຖͷڧ͞
BVEJPGSBHΛ࣮ߦ
BVEJPGSBHΛ࣮ߦ Volume Spectrum Samples: ܗ
PCKNUMGSBHશ෦Γ
ͦͷଞͷೖྗ w ϚεɺΩʔϘʔυɺ.*%* 04$ 8FCΧϝϥɺήʔϜύουʹରԠ
ԋशλΠϜ
࠷ޙʹ w (-4-ͷָ͠͞ɺϥΠϒίʔσΟϯάͷָ͠͞ ͕ΘΕ͍͍ͳͱࢥͬͯ·͢⚡ w ͥͻ7+ʹઓͯ͠Έ͍ͯͩ͘͞ʂ w 7&%"ͷ࣭ײɺ৽ػೳͷϦΫΤετ 5XJUUFSPS(JU)VCͰ͓ؾܰʹͲ͏ͧʂ
ࢀߟϦϯΫ w 7&%" IUUQTWFEBHM w 5IF#PPL0G4IBEFST IUUQTUIFCPPLPGTIBEFSTDPN MBOKQ w XHMEPSHc(-4-
IUUQTXHMEPSHEHMTM