Báo Cáo Đồ Án Đồ Họa Máy Tính.

i Hc Quc Gia Thnh Ph H Ch MinhTrng ai Hoc Cng Ngh Thng Tin H Chi Minh

BAO CAO HOA MAY TINH TAI : ng Dng Maya.(Animation nhn vt SonGoKu)

Giang Vin Hng Dn : ThS.Mai Tin DungLp : CS105.E22 Sinh Vin Thc Hin : 12520875 Hong Trng Nam 12520974 Nguyn Vn Tin

H Chi Minh, Ngay 4 thang 6 nm 2014MUC LUC

Phn I : Gii Thiu31. Gii thiu s b v Maya32. Gii thiu v Amination nhn vt SonGoKu4Phn II: To Model nhn vt SonGoKu5Phn III: To Khung Xng Cho Nhn Vt10Phn IV: To chuyn ng cho nhn vt.12Phn V: Cc hiu ng nh sng, camera.13Phn VI : Thit K Khung Cnh15Phn VII: Rendering23Phn VIII: Phn Cng Cng Vic26

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Phn I : Gii Thiu1. Gii thiu s b v MayaAutodesk Maya 2014 l phn mm hu ch, n tch hp trit v kt hp cc cng c gi lp, bao gm: cc hiu ng cht lng, vi, lng th, tccng cc cng cc tin ch 3D to ra m hnh, kt cu, hnh nh chuyn ng gip nhng nh chuyn thit k trong lnh vc hot hnh, phim nh, tr chi gii tr, truyn hnh t m phng hnh nh, nhn vt n to nhng hiu ng sinh ng 3 chiu t hiu qu cao nh theo tng ca nh sn xut. Autodesk Maya cng truyn ti v s cc hiu ng hnh nh lm phong ph v khm ph nhng tim nng thit k y sng to ca bn.

Vi nhng c im ni bt sau:

- Nng cao nng sut lm vic: Hiu sut x l c nng cao thng qua s kt hp ca hiu nng v tnh cht cng vic gm cc menu c b tr hp l, cc thao tc 3D, h thng tng tc chn lc mn hnh hin th, cc cng c qun l, v s lng thao tc "undo" khng hn ch. Chc nng qun l khung hnh v d liu nng cao cung cp cho ngi s dng s linh hot ty theo cch h mun.

- Ch m hnh ha 3D v lm mn ton din: Truy cp vo 1 b cng c y ca nh sn xut vi nhng cng c nh polygon, NURBS, subdivision surface modeling v texturing. Cc cng c thao tc a chc nng gm cc chc nng la chn cao cp, cng c chuyn i thuc tnh, ch tng tc UV v unfolding, ng thi cc cng c ti u ha cng c thit k sp xp pht huy hiu qu cng vic 1 cch ti a.

- Chc nng x l nhng hnh nh hot hnh mnh m: Nhn cch ha nhng nhn vt v nhng khung cnh, cc yu t lin quan bng kh nng c trng v a dng, cng vi kh nng x l trn din rng ca b t hp cc cng c nh Keyframe, Nonlinear... b cng c x l tnh cch nng cao bao gm animation layers, graph v dope sheet, constraints, expressions, h thng x l d liu Nonlinear animation , h thng Full-body inverse kinematics (IK) , Skinning functionality, v Maya Muscle.

- Nhng cng c to hiu ng hnh nh nng cao: C th to ra bt k hiu ng hnh nh no m bn c th tng tng ra, t cc hin tng thin nhin thc t c cch iu n cc hnh nh ch c trong th gii "thn tin" bng hiu ng 2D painterly. Phn mm Maya cung cp s tng tc nng ng gia nhng phn cng v do trn tng b phn c th da trn quy tc vt l thc, cng vi cc trng thi sng ca ngh thut chuyn ng, cng ngh o ha ca Maya bao gm Maya nCloth, Maya nParticles, Maya Fluid Effects, Maya Fur, Maya Hair, v nhiu cng ngh khc na.

- Kh nng render linh hot: Vi Maya, ngi s dng c th t do la chn qu trnh render cho d n bt c lc no. Giao din s dng thng nht v cc cng vic c sp xp truy cp nhanh chng ph hp vi h thng phn cng v cc vector renderers, tng t nh cng c mental ray dnh cho Maya v Maya network rendering (Satellite). Bn cnh , ngi s dng cng c th s dng cng c Render Layers v the Render Pass to ra 1 quy trnh lm vic hiu qu da trn gi phn mm Autodesk Toxik v cc gi khc.

- Cc cng c m rng v ty chn ca Maya: C tnh ty chnh, m rng v thao tc a nhim. Vic tch hp hon ton h thng ngn ng nhng Maya Embedded Language (MEL) v ngn ng lp trnh Python gip ngi s dng c c quyn truy cp vo mi gc , mi kha cnh ca phn mm nn c th ty chnh ca s cng nh giao din lm vic, tinh chnh li giao din v cc dng lnh t trang HTML. Hn na, h thng OpenMaya API/SDK hon ton khng gii hn sc mnh ca Maya dnh cho nhng ngi pht trin C++ v Python, cung cp quyn truy cp cp thp n tt c cc khung hnh (scene) yu cu nhiu plugins v mt s th loi khc nh nodes, shaders, manipulators, file importers v exporters...

2. Gii thiu v Amination nhn vt SonGoKu Amination m phng mt vi ng tc n gin ca nhn vt SonGoKu trn v i.Nhn vt SonGoKu l nhn vt trong truyn Dragon Ball ca tc gi Toriyama Akira.

Phn II: To Model nhn vt SonGoKuNhn vt tham kho trn mng.Link tham kho: http://3dmodel.domawe.comPhn III: To Khung Xng Cho Nhn Vt

u tin chuyn sang ch Animation. Sau vo Skeleton-> HumanIK s hin ra hp cng c nh bn di.

Mc Create: t ng tao cho ta 1 b xng ngi c sn ta phi chnh sao cho ph hp vi nhn vt.

Sau khi hiu chnh

xng gn vo vi nhn vt ta chon 2 vt th l xng v nhn vt sau chn trn thanh cng c c 2 hnh ngi v tn cng c l Smooth Bind. Sauk hi Smooth Bind th khung xng s c nhu mu khc nhau.erGn xng cho nhn vt, trn thanh cng c character Controls.Mc Character-> None

Mc Define-> Skeleton

Hnh ngi trn c nhng khp mu trng ta double click vo 1 khp ri click vo ng khp xng trn khung xng th hnh trn s chuyn sang mu xanh l gn xng ng nu sai th nhng khp s chuyn sang mu vng.

Sau khi hon tt thi ta lu li

Sau chn vo khung xng chn vo file khp xng m ta va lm xong Ti mc Source-> Control Rig nh vy nhn vt chng ta c th chuyn ng.

Phn IV: To chuyn ng cho nhn vt.

Sau khi to xong khung xng, ta tin hnh to chuyn ng cho nhn vt .Bc 1: Chn Frame u tin bm S trn thanh Frame s c 1 vt .Bc 2: Cho nhn vt chuyn ng.Bc 3: chn ti Frame kt thc chuyn ng v bm SVy l ta Animation cho nhn vt thnh cng.

Phn V: Cc hiu ng nh sng, camera. Thm ngun sngCreate -> Lights -> Directional Light Thm cameraCreate -> Cameras -> Camera

Phn VI : Thit K Khung CnhKhung cnh y l mt v i trn mt h nc xung quanh c thnh. To v i Create-> Polygon Primitives->Cube

Create-> Polygon Primitives->PlaneleT nhng Cube, Plane v Cylinder v cc cng c Move,Rotate, Scale ta thm vo v i nhng phn khc.

Do bc hnh nhng vt bn ngoi m khng thy c nn khng modeling. to h nc ta chuyn sang mcDynamics-> Fluid Effects->Ocean-> Create Ocean

to thnh xung quanh u tin to Cube sau delete nhng phn khng cn thit. To mt Cylinder Delete 1 na ca Cylinder sau ni vo Cube. Compile 2 vt th thnh 1 vt th ri tin hnh hiu chnh.

Phn VII: RenderingThit lp file output

Thit lp Frame Range

Thit lp Renderable Cameras gm kch thc frame hnh mun render ra, phn gii ca frame.

Cui cng, s dng Batch Render thc hin render

S dng cc phn mm v d nh proshow producer, affter effect lm thnh video.Phn VIII: Phn Cng Cng VicHong Trng Nam: Modeling Background, Animation.Nguyn Vn Tin : Hiu ng nh sng,Camera,Rendering.16