Shader Recipe Series
Pano pano mumakona emagadheni, mapoka haafaniri kuita zvakawanda, asi zvakaitika kune rimwe husiku apo ndakanga ndichichera mazano ekubika mapepa emon lemon kuti ndinogona kutanga mutsara unenge wakasiyana-siyana. - shader recipes .
Zvose "mabhuku ekubika" akanyorwa pane zvigadzirwa nemumvuri muMaya, UDK, 3DS Max, Vray, nezvimwewo.
Icho chinhu chakawanda chevatangisi vane matambudziko, uye nechikonzero chakanaka! Kuvhara mararamiro earcane akadai se "simba rinokonzera" uye "kuisa simba" mukuedza kutevedzera zvisikwa zvenyika zvakadai sehuni, girazi, dombo, kana tereamic tile haisi basa rakanyanya.
Saka, apa tiri.
Kutanga nemafungiro emamiriro ezvinhu , tichazotanga kuisa mamwe maitiro ekushandiswa kwezvimwe zvinhu zvakajairika zvenyika-zvese zvakaoma kusungirira pasi. Tichazoshandisa maMaya munyaya dzino dzakatevedzana, kunyange zvazvo tichigona kupinda muUnreal Development Kit nguva kana maviri. Tiri kufara pamusoro pezvikamu izvi uye tarisira kudzidza zvakawanda kunyora iwe sezvauri kuiverenga!
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Chii chinonzi Ambient Occlusion?
Usarega zita rako rebenzi iwe-ambient occlusion inongova chinhu chakanaka chakanaka chokuvaka, uye icho chinonyanya kukosha.
Haisi chete AO inoshandiswa (yakanaka pasi rose) yekupa mifananidzo-ye-in-progress, iyo inowanzoshandiswa sechinhu chinotangira ku composting nekugadzirwa kwemavara nokuti inobatsira kuburitsa tsanangudzo uye "pasi" zvinhu muchiitiko nekubatanidza mumvuri .
Ambient occlusion inzira yekuzvigadzirisa zvinhu, zvinoreva kuti inoshanda kunyange kana pasina chiedza chiri muchiitiko chako. Panofungidzira, inofanirwa kuenzaniswa kwekujekesa kwenyika yose, uye inofanirwa kutevedzera nzira iyo chiedza chinopararira mukati memukati kana nzvimbo.
Ambient occlusion renders ine chimiro che "kuchena-mumvuri" kutaridzika nekunze kusvibisa chero nzvimbo mbiri dzinoswedera pedyo kana kuti kubatana (makona ekamuri, pasi pezvinhu, nemashoko akanaka, nezvimwewo). Ambient occlusion mifananidzo dzimwe nguva yakanzi "ivhu rinoshandura" nekuda kwekufanana kwavo nekuenzanisa ivhu.
Heanoi muenzaniso wandakaitira semusangano gore rapera unoshandisa masikati machena kuti aratidze fomu yemuenzaniso (pfungwa yezvombo naG Diego Almazan).
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Kugadzira Occlusion Shared Shader:
Kuumba chimiro chekudzidzira shader chekufambira mberi kwemashusho kunokosha kwazvo, uye hakudi chero UVs, mavara emagetsi , kana chiedza.
Pane nzira dzakawanda dzekushandisa mhinduro yemigumisiro yakasiyana-siyana, asi iyo yandichatanga kutaura pano yakanaka uye yakananga, inoda chete imwechete Mental Ray node uye chinhu chinokosha cheMambert.
Heino danho pfupi-nhanho tsanangudzo.
Vhura hwindo reHypershade uye ugadzire chinhu chitsva cheMambert.
Ipa iyo zita zita-ini kazhinji ndinoshandisa chimwe chinhu chakaita sekutauraOcclusion_mat .
Tora kaviri chinhu ichocho kuti uzarure maitiro ayo. Apa ndipo patinoisa mimwe yemiganhu yemuchina.
Nekusava nemuvara wemavara akapararira ndeweti hauna kusimba, asi isu hatidi kuti pfungwa dzedu dzibudirire, saka isu tiri kunyanya kuisa mararamiro pasi kusvika kumucheto wakaoma wemutambo. Tiri kushandisa 0, 0, .38 nokuda kweHSV kukosha pamusana wemuvara , asi iyi inhau yezvamunoda.
Chinhu chinotevera chatinofanira kuita ndechekuvhara chimiro chechimiro chechimiro mune zvinyorwa zvisingabatsiri.
Dzvanya bhokisi re checkered riri pedyo nekambiso ye incandescence . Izvi zvichaunza iyo inopa node window.
Pasi peMental Ray tab, sarudza mavara uye uwane mib_amb_occlusion pane urongwa. Dzvanya, uye node ichazarura muhutano wezvigadziro kurutivi rworudyi rwekrini chako.
Iwe unofanirwa kuona urongwa hwezvakanaka-izvo zvinokosha kwatiri ndezvienzaniso, zvakajeka / zvakajeka, zvakapararira, uye nzvimbo yakareba, kunyange zvakadaro chinhu chete chatinoshandura ndicho nhamba yezvidzidzo.
Muchidimbu chemazuva ano, nhamba ye sampuli inodzora huwandu hwemheremhere mumutauro wako.
Kusiya sampuli pa16 kana 32 zvichange zvichinyanyisa, apo kuisa kukosha kune chimwe chinhu chakadai se 64 kana 128 chichange chichiratidzika zvakanaka. 32 samples yakanaka kukuedza, asi kana ndinoronga pakuratidza mufananidzo ndinozoshandisa 64 kana 128.
Edza shanduro shomanana pane zvakasiyana-siyana shanduro kuti uwane manzwiro ekusiyana-iwe unogona kukuwana iwe sechitarisiko chemafuta pamucheto wezasi wemitambo.
Heino mufananidzo wekufananidza wandakaita uchishandisa nzvimbo yekunze Ndakatarisa zvishoma shure kuratidza musiyano pakati pegwaro reMaya rinoshandura, uye kushandiswa kwemasikati kunoshandiswa ne 64 uye 128 samples. Unoona kuti zviri nani sei chimiro chinotarisa nemafungiro akasiyana?
Iwe unogonawo kutamba uchikomberedza nemamwe maitiro kana uchida:
Kujeka uye kurima kunotora zviduku uye zvigaro zvepamusoro mukupa kwako. Kana iwe ukaona kuti zvidzidzo zvako zvinoputika kana mithunzi yako iri kupwanyika, unogona kushandisa sliders kuti uwane mari. Kupararira uye max kure kunoshandura hutsika / chiitiko chinzvimbo pakati pechiedza chako nerima.
Ikoko iwe unoenda! Tinotarisira kuti wakadzidza zvishoma nezvemaitiro ekugara uye kuti ingashandiswa sei sehurukuro yakanaka yehuturo yezvikamu zvitatu zvemufananidzo wako. Rega ndikuzive pa blog kana uine mibvunzo!