A brief introduction to GLSL and livecoding, presented at TokyoDemoFest 2018.
BNBHJUBLBZPTJREADYFOR THEBATTLEREADYFOR THEBATTLEREADYFOR THEBATTLE
View Slide
@amagitakayosi
VEDA(GLSLϥΠϒίʔσΟϯάڥ)ͷ࡞ऀͰ͢
ϥΠϒίʔσΟϯάVJͯ͠·͢
ࠓͷϝχϡʔw ϥΠϒίʔσΟϯάJTԿw (-4-ͷجૅw ͕ΜΖ͏
8IBUJT-JWF$PEJOH
ϥΠϒίʔσΟϯάw ϥΠϒͰίʔσΟϯά͢Δ͜ͱw ٕज़ܥΧϯϑΝϨϯεͷσϞͱͯ͠w ઌਐతͳԻָө૾ύϑΥʔϚϯεͱͯ͠
ϥΠϒίʔσΟϯάจԽw 501-"1DPNNVOJUZ ʙw *$-$ ʙw "MHPSBWF
-JWF$PEJOHJO%FNPTDFOF
EFNPTDFOFʹ͓͚ΔϥΠϒίʔσΟϯάw 3FWJTJPOͳͲͷσϞύʔςΟͰ ότϧ͕ߦΘΕΔΑ͏ʹw ٕज़ྗॏࢹw ڥΛଗ͑ͯɺ੍ݶ࣌ؒʹ ͲΕ͚ͩੌ͍ϏδϡΞϧΛ࡞ΕΔ͔ڝ͏w উഊථPSͰܾ·Δ
3FWJTJPOͷΑ͏͢IUUQTXXXZPVUVCFDPNXBUDI W0[&P%%X
සग़ωλw ϨΠϚʔνϯάw ڑؔͰਤܗΛඳըw ϑϥΫλϧw ਤܗΛ࠶ؼతʹมܗ͍ͯ͘͜͠ͱͰ ϝνϟϝνϟෳࡶͳਤܗΛඳ͚Δ
සग़ωλw ϨΠϚʔνϯάw ڑؔͰਤܗΛඳըw ϑϥΫλϧw ਤܗΛ࠶ؼతʹมܗ͍ͯ͘͜͠ͱͰ ϝνϟϝνϟෳࡶͳਤܗΛඳ͚Δレイマーチングこわ……難しそう……
ϨΠϚʔνϯάແ͠ͰউͯΔͧʂw ڈ(-4-(SBQIJDTҐͷ࡞ ϨΠϚʔνϯάͰͳ͍w ΞΠσΞɺ͢͝͞ɺ͔ͬ͜Α͕͞େࣄ
(-4-JOUSPEVDUJPO
͜ͷষͷඪw ϑϥάϝϯτγΣʔμʔ͚ͩͰਤܗΛඳ͘w (-4-ͷجૅจ๏ΛֶͿ
(-4-JTԿw γΣʔμʔݴޠͷҰͭw %$(ͰɺӄӨςΫενϟͷॲཧΛ͢Δҝʹ ࡞ΒΕͨݴޠw ʁʁʁʮ୯ମͰΞχϝʔγϣϯ࡞ΕΔ͡ΌΜʯ ˠσϞΞʔτք۾ͰΘΕΔΑ͏ʹ
γΣʔμʔͷछྨw γΣʔμʔw ϑϥάϝϯτγΣʔμʔw ίϯϐϡʔτγΣʔμʔw δΦϝτϦʔγΣʔμʔ ৄ͘͠ʮϨϯμϦϯάύΠϓϥϯʯͰάάͬͯ͘Εˡࠓճ͜Ε͚ͩ
ϑϥάϝϯτγΣʔμʔͷྲྀΕw γΣʔμʔϐΫηϧຖʹ࣮ߦ͞ΕΔw HM@'SBH$PMPSʹɺͦͷϐΫηϧͷ৭Λ WFD S H C BܗࣜͰೖΕͯ͋͛Δ
ԁΛඳ͍ͯΈΑ͏
ԁΛඳ͍ͯΈΑ͏ݪ͔Βͷڑ͕Ұఆݪ͔Βͷڑ͕Ұఆݪ͔Βͷڑ͕Ұఆ
WFD MFOHUI Q
WFD TUFQ MFOHUI Q
ͷछྨw JOUw qPBUුಈখw WFDdWFDϕΫτϧ
JOUw $ݴޠͳͲͰ͓ͳ͡Έw AJOUBAͱॻ͘w ͋Μ·ΘΜw GPSϧʔϓͷΠϯσοΫε͘Β͍
qPBUුಈখw AqPBUBAຢɹɹɹɹɹɹͱͱॻ͘w খΛΕΔͱΤϥʔʹͳΔͷͰҙʂw ϑΝΠϧઌ಄ͷɹɹɹɹɹ qPBUͷਫ਼Λࢦఆ͍ͯ͠Δw MPXQ NFEJVNQ IJHIQͷॱʹਫ਼͕ߴ͘ͳΔw ͍͍ͩͨNFEJVNQͰे
WFD WFD WFDϕΫλʔw AqPBUBɹɹɹɹPSw ͱॻ͍ͯ0, ʢத͕JOUʹͳΔ༁Ͱͳ͍ʣw ɹɹɹɹɹɹɹɹͱ͢Δͱ CWFD ʹͳΔ TXJ[[MF
جຊςΫw ܁Γฦ͠w ϊΠζw CBDLCV⒎FSΛ༻͍ͨදݱw ΦʔσΟΦϦΞΫςΟϒͳԿ͔
܁Γฦ͠w UJNFΛͬͯɺಈ͖ΤϑΣΫτΛ܁Γฦ͠w TJO DPT ͳͲͷࡾ֯ؔw GSBDU NPE Ͱw ࠲ඪΛ܁Γฦ͢ͱɺਤܗΛίϐʔͰ͖Δͧʂ
܁Γฦ͠ಈ͖ͷϧʔϓ
܁Γฦ͠ਤܗͷίϐʔ
ϊΠζw ཚΛݩʹɺ༗ػతͳಈ͖ςΫενϟΛදݱw ΤϑΣΫτಈ͖ͷ੍ޚʹ͏ͱ ܁Γฦ͠ײΛݮΒͤͯΦεεϝʂ
ϊΠζΏ͕Έ
ϊΠζಈ͖
ϊΠζϒϩοΫϊΠζ
CBDLCVGGFSΛ༻͍ͨදݱw CBDLCV⒎FSʹϑϨʔϜલͷ݁Ռ͕ೖͬͯΔw ૾͕ΔΑ͏ʹͨ͠Γʜʜw 3(#ΛͣΒͨ͠Γʜʜ
CBDLCVGGFS૾
CBDLCVGGFS3(#ͣΒ͠
ΦʔσΟΦϦΞΫςΟϒͳԿ͔w 7&%" #PO[PNBUJDͷڥͰ ԻೖྗΛར༻Ͱ͖Δw 7+ͬΆ͍ࣄ͢Δ࣌΄΅ඞਢ
%&.0ʜ
ҰาਐΜͩදݱςΫw TFUDIJ͞ΜͷࢿྉΦεεϝͰ͢w IUUQTEPDTHPPHMFDPNQSFTFOUBUJPOE3SRZ"L'BO,NG-;)WI%$P[&@S,'1M6:7XFK@CD
7+-*7&$0%*/(
ϥΠϒίʔσΟϯάύʔςΟw "MHPSBWFw Γ্͛ॏࢹw 7+ͬͯݴ͏ͱౖΒΕΔ͔
7+γʔϯʹ͓͚Δ(-4-w δΣωϥςΟϒͳ7+ڥͰେମରԠͯ͠Δ ʢ5PVDI%FTJHOFS WWWW FUDʣw 7%.9 $P(FͳͲͷ7+ιϑτରԠw 7%.9*4'ͱ͍͏ಠࣗن֨·Ͱ࡞ͬͯΔ
5PVDI%FTJHOFSw ࠷ۙྲྀߦͬͯΔɺϦΞϧλΠϜॲཧ͚ ΦʔσΟΦϏδϡΞϧڥw (-4-ͷόʔδϣϯΛࣗ༝ʹબΜͩΓɺ ඳըύεΛ؆୯ʹՃͰ͖Δw ίϯϐϡʔτγΣʔμʔͬ͘͞ͱॻ͚Δ
ԻָϥΠϒίʔσΟϯάw 5JEBM$ZDMFT 4POJD1JͳͲw 4IBEFSUPZ 7&%"Ͱ (-4-ͰԻָΛԋͰ͖Δʢʁʁʁʁʣ
࠷ޙʹw (-4-ΊͬͪΌָ͍͠ͷͰ օνϟϨϯδͯ͘͠ΕΔͱ͍͍ͳʙw ࣭ײɺ͜ͷ͋ͱͷۭ͖࣌ؒ 5XJUUFSͰ͓ؾܰʹͲ͏ͧʂ
(-4-ͷࢀߟϦϯΫw 5IF#PPL0G4IBEFST IUUQTUIFCPPLPGTIBEFSTDPN MBOKQw XHMEPSHc(-4- IUUQTXHMEPSHEHMTMw 7&%" IUUQTWFEBHM