3D bump maps yog maps siv 3D qauv rau artificially tsim tsa textures tsis muaj qauv rau cov neeg paub meej. Sim ua cov qauv kev ntxhib ntxoo muaj peev xwm tsim muaj kev ntxhov siab ntawm ntau txhiab tus uas muaj ntau, muab ntau lub sij hawm los ua qauv tsim, ua kom tsis muaj qauv zoo saib, thiab ua kom lub sij hawm thiab ua kom muaj zog tsis txaus. Yog tsis muaj tseeb 3D textures, ho, 3D qauv yuav saib ncaj nraim thiab tsis muaj sia.
Bump maps yog teb; lawv siv cov xim thaij duab kom zoo nkauj, siv cov grayscale los qhia cov qauv kev ua haujlwm 3D kom deb li deb rau sab polygonal, nrog dub sawv cev tshaj extrusion ntawm extrusion thiab dawb sawv cev ntawm thaj chaw flattest, thaum ntxoov grey sawv cev qib ntawm nruab nrab. Piv txwv li, yog tias koj tau txais daim tawv nqaij ntawm daim tawv nqaij, ib daim ntawv qhia khij rau daim tawv nqaij yuav siv ib lub pob txha nruab nrab raws li lub hauv paus ntawm daim tawv nqaij, nrog dawb rau cov kab nrig tshaj plaws thiab qhov tsos tsaus tsawv pob zeb uas sawv cev ntawm qhov chaw, tag nrho cov no tsis muaj qauv ua ib lub menyuam pob lossis tawg. Koj tuaj yeem siv nws los ua kom ntsej muag zoo nkauj thiab ntxoov ntxoo zoo li muaj tseeb, lossis ntxiv cov ntaub ntawv xws li folds thiab wrinkles rau tus qauv khaub ncaws los yog tej cuab yeej ua rog.
Nws yog ib txoj hauv kev yooj yim los ntxiv ntau ntawm kev nthuav dav yam tsis tau ntxiv ntau ntawm kev ua hauj lwm. Ntau dua li mus manually mus rau hauv thiab xaiv txhua lub pob thev me ntsis tuaj tawm ntawm koj tus qauv, ib daim ntawv qhia bump yuav automate tus txheej txheem rau koj. Nws yuav qhia rau 3D qhov kev pab cuam kom hloov cov duab uas nyob rau hauv kev sib raug zoo rau koj daim npav thav ntawv rau koj es tsis yog koj coj ua koj tus kheej. Nws kuj yog nws procedurally, uas yuav pab txo cov load hauv lub computer thaum nws mus muab nws tawm yog tias koj tau ncaim hauv thiab ua tag nrho cov kaus mom thiab ua rau koj tus kheej.
Tsim ib daim ntawv qhia khawm hauv Photoshop yog ib qho yooj yim, tshwj xeeb tshaj yog tias koj twb tau tsim ib daim ntawv qhia zoo nkauj nrog highlights thiab ntxoov ntxoo pleev xim rau xim. Cov kauj ruam yooj yim:
- Yog koj qhib koj daim ntawv qhia kev muaj xim dawb los yog tsim ib qho hauv Photoshop siv cov cuab yeej pleev xim. Yog tias koj tab tom nrhiav ib qho kev ntxhib los mos tsis zoo thiab tsis muaj dab tsi zoo ib yam li lub ntsej muag shading, koj tuaj yeem siv cov txheej txheej xws li Tus Qauv Overlay los tsim ib qho kev rov ua dua. Rau cov xim uas qhia tau zoo tshaj plaws, koj yuav tsum tau kos daim ntawv qhia kom paub meej tias cov xim tha xim thiab cov duab ntxoov ntxoo rov nrog daim ntawv qhia txog kev thaij duab cov duab thaij duab.
- Tseg ib daim qauv ntawm daim ntawv qhia grayscale . Tig ib lub xim xim rau hauv ib daim ntawv nyeem grayscale, siv Desaturate muaj nuj nqi hauv Image -> Kho cov ntawv qhia. Yog hais tias koj tau tsim koj cov kev ntxhib los mos siv hom txheej thiab kab overlays, koj yuav tsum tau caiv cov txheej kom koj cov kev kho me nyuam tuaj yeem cuam tshuam rau kev ntxhib los mos thiab tsis yog lub hauv paus xim kom tsawg.
- Nyob ntawm cov hom shading koj tau ua, koj yuav tsum tau hloov cov duab. Hauv cov xim thawj xim koj yuav muaj xim ntxoov ntxoo tsaus nti, thiab ntau qhov chaw siab zog yuav tsum muaj zog, ntau dua rau cov teeb pom kev zoo / lub suab hauv shading. Hauv khawm daim ntawv qhia, tab sis, cov chaw sib zog me dua yog qhov chaw tsaus ntuj dua, yog li nws tawm-nws yuav tsim qhov ntxim daim ntawv txawv ntawm qhov koj tuaj yeem ua rau: tus duab ntxoov ntxoo thiab cov ntawv tseem ceeb. Koj tuaj yeem pom txoj haujlwm Invert nyob rau tib qhov chaw uas koj nrhiav tau Desaturate muaj nuj nqi, nyob rau hauv Duab -> Cov Ntawv Teev Tseg.
- Tej zaum koj yuav tsum tweak lub pob khawm los ua kom qhov sib txawv ntawm qhov chaw sib zog thiab tsaus nti. Siv nws li-yog yuav tsis tsim qhov tob ntawm kev nthuav dav uas koj tab tom nrhiav rau hauv koj qhov kev ntxhib los mos. Koj tuaj yeem siv Brightness / Contrast cuab tam raws li Duab -> Cov Ntawv Teev Tseg Zaub mov tuaj yeem hla tus duab thiab nce qhov sib txawv.
- Tseg tau cov ntaub ntawv - dua li hauv hom ntawv tsis muaj lub luag haujlwm nrog theem siab ntawm kev nthuav dav, zoo li BMP / bitmap, tab sis yog koj yuav tau xyuas koj qhov kev pabcuam 3D rau duab hom compatibility.
Thaum koj tau tsim koj daim npav khoob, tag nrho koj yuav tsum tau ua yog xa mus rau koj qhov kev pab cuam 3D animation. Cov kev pabcuam sib txawv muaj ntau txoj kev los ntawm kev sib dhos hauv cov qauv ua qauv lossis qhov sib txawv ntawm polygon, tabsis qhov kev tswjhwm ntawm txoj kab ntawv khoob khawm yuav tsum cia koj txhais ntau yam kom paub tseeb tias cov duab ntawm sab saud thiab kev nyuaj siab tsis ua rau ntau lossis tsawg dua li lawv tsis pom. Ib daim ntawv qhia kev sib tsoo yog ib qho cuab tam zoo nkauj thaum nws tuaj yeem muab cov kev qhia ntau yam tsis muaj ntau txoj haujlwm.