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Foundations of Game Engine Development, Volume 1: Mathematics PDF

195 Pages·2016·14.93 MB·English
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Foundations of GatnEen giDneev eloptnent 1 VüLUME MATHEMATICS byE riLce ngyel TeratShoofnt wLaLrCe LincCoallni,f ornia FoundaotfiGoanEmsne g iDneev elopment Volu1m:Me a thematics ISBN9-7183-: 0-9858117-4-7 Copyr©i2 g0h1bt6yE , r Liecn gyel Alrli grhetsse Nrovp eaodrft.th piusb altiimcoanby e r eprosdtuocireanedn d, informraettirosinye svttaerlma ,n somrui ttitleiidnaz, nfoey rd m e,l ectorro nic mechainnicclapulhd,oi tnogc socpaynidnniiggn,ig t,oi rz irnegc,o rding, without thper ipoerr miosfts hcieoo pny orwingehrt. Fiprsrti nting PublibsyTh eerda tShoofnt LwLaCr e www.terathon.com Serwieebss fiotuen:d ationsofgameenginedev.com Abotuhtce o vTehrce:o viemrai gases cefrnoema g areunet iThte3l 1e ds t, develboytp haeeud t uhsoirtn hTgeo mbsEtnognien e. Preface ix Chap1t eVre ctaonrMdsa trices 1 1.V1e ctFourn damentals 1 1.B2a sViecc tOopre rations 3 1.2M.a1g niatnuSddc ea Mlualrt iplication 5 1.2A.d2d iatniSdou nb traction 8 1.M3a trFiuxn damentals 11 1.B4a sMiact rOipexr ations 16 1.4A.d1d itSiuobcntt,ri aaonnSd,c aMlualrt iplication 16 1.4M.a2t rMiuxl tiplication 16 1.V5e ctMourl tiplication 20 l5.. 1D oPtr uocdt 20 1.5C.r2o Psrso duct 24 1.5S.c3a TlrairPp rloed uct 30 1.V6e ctPorro jection 31 1.M7a trIinxv ersion 36 l7.. 1I denMtaittryi ces 36 1.7D.e2t erminants 37 17.. 3E lemeMnattariiyc es 42 17.. I4n veCraslec ulation 45 l7.. 5I vne rosfSe msa ll Matrices 46 ExercfoirCs heasp1 t er 51 V Cont ents v i Chap2t eTrr ansforms 55 2.C1o oirndaStpea ces 55 2.1T.r1a nsforMmaattriiocne s 56 2.1O.r2t hoTgroannaslfo rms 57 2.1T.r3a nsCfoormmp ons itio 58 2.R2o tations 59 2.2R.o1t aAtbiooaunC t o oirndaAtxei s 59 2.2R.o2t aAtbiooaunntA rbitArxairys 62 2.R3e flections 65 2.S4c ales 69 2.S5k ews 71 2.H6o mogenCeoooiurnsda tes 74 27. Q uaternions 82 27.. 1Q uateFrnuinaodmne ntals 82 2.7R.o2t atWiiotQnhus a ternions 87 ExercfoirCs heasp 2t er 95 Chap3t eGre ometry 97 3.T1r iaMnegslhee s 97 3.N2o rmVaelc tors 99 3.2C.a1l culatiVnegcNtoorrmsa l 99 3.2.2 TrNaonrsmfoVarelmc itnogr s 102 3.L3i naensRd a ys 107 3. .31 P aramLeitnreisc 107 3.3.2 DBiesttwaaeP neocniae n ntadL ine 108 3.3.3 DistTawnocL ei neBse tween 110 3.P4l anes 112 3.4I.m1p lPilcainte s 113 3.4D.i2s tBaentcweae P eonia nntadP lane 115 3.4R.e3fl ecTthiroonauP glha ne 117 3.4I.n4t ersoefaLc itnaienoa dnP lane 119 3.4I.n5t ersoefTc htrPieloean n es 120 3.4I.n6t ersoefTc wtoPi loann es 122 3.4T.r7a nsfoPrlmainnegs 124 Contents vi i 3.P5l ücCkoeorr dinates 125 3.5I.m1p lLiicniets 126 3.5H.o2m ogenFeoorumsu las 128 3. .53 T ransfLoirnmeisn g 132 ExercfioCsrhe asp3 t er 134 Chap4t eArd vanAclegde bra 137 4.G1r assAmlagnenb ra 138 4.1W.e1d gPer oduct 138 4.1B.i2v ectors 139 4.1T.r3i vectors 142 4.1A.l4g ebSrtariucc ture 143 4.1C.o5m plements 149 4.1A.n6t ivectors 153 4.1A.n7t iwPerdogdeu ct 155 4.P2r ojeGcetoimveet ry 159 4.2L.i1n es 159 4.2P.l2a nes 160 4.2J.o3ai nnMd e et 162 4.2L.i4nC er ossing 163 4.2P.l5a Dnies tance 165 4.2S.u6m maarnlydm plementation 166 4.M3a tIrnivxe rses 170 4.G4e omeAtlrgiecb ra 173 4.4G.e1o mePtrroidcu ct 174 4.4V.e2c tDoirv ision 176 4.4R.o3t ors 178 4.C5o nclusion 181 ExercfioCsrhe asp 4t er 182 Index 185 Preface Thibso opkr ovaid deetsa iinlterdo dtuotc htmeia otnh emuastebidycm so dero gameen gipnreo graTmhmfieer rtssht.r cehea pctoevrteshrt e o poiflc isn aela­r geb(rvae catnomdra st ritcreasn)s,afo nrgdme so,m eitnacr oyn venmtainonnearl commtoomn a noyt hteerx tboonto hksesu bjTehciitsds. o nteop rovaif daem il­ iarwiitttyhh u es uaaplp rosaotc hhia tte' asst yom ake contnose icmtiiloanrs exposoiftt ihsoean mtseo pics ielnts hleeiw theerAraleto tunhrgwee a .yw ,ew ill make severtaofl o raetsthteahdmdeipo stwcs u osfasm iaonni femsotrelely e gant and morem actohrermmeaoctdtie cla lt hiantt hfoeau prpctehhaa rpTsth elera .s t quarotfte hbreo oekn deatvopo rrosva id deee puenrd erstoafmn adnoiyftn hge concdeipstcsu esasrebldyii enrt rodGurcaisnsagml agnenab nrgdae omeatlr­ic gebKrnao.w leodftg heeb srea ncohfme ast hemaaltsioc sua slt loco ownsv ey intuaintpdir oonv diedteai intl hfiser stth rcehea pttheaarrtsde i ffitcofu ilntd anywheelrsee . Oneo ft hgeo aolfts h bioso ikts o g ivper acetnigcianlea edrviiTnchgeii .ss accomplthirsohuegdh s hmocarontdly ei stingst harpopuetgahhrbeoio unotgk showhionwtg h mea themwaet'ivces diiissm cpulsesmeiednn strieeddae l -world gameen giTnoea sv.ofi ildl pianggwe istc ho dlei sttihnaagrtise l lustrrea­tively dundsaonrntde,a tsat rucotrfuu nrcetsir oenfesr einnvc aerdi poluashc aevsie n ­ tentiboenelanelo ftlu yTt h.i hsa ppoennlwsyh etnh feo ramn bde haovfit ohre missciondigeso bviFoouersx .a mpClhea,p1 ti enrc lcuoddelesi sttihndagets­ fiand ea tsat ruacntodup reer ations tcoaot rhrreesep-odnidvmieencngts oiro,n al buitdt o essnh'ostwi micloadforera fo ur-dimevnesciteoovnreta,nhl o uigth' s usebdyo thceordl ei stliantigentsr h b eo obke,c aiuwtso eu bledl argiedleyn ti­ caTlh.ce o mplliebtorefa c ryo dieas v aiolnat bhwleee b sciittbeee dl ow. ix Preface X Wea ssutrnheta htre e ahdaeasrs loi udn derstoafb nadstiirncig g onao rnetry, workkinnogw loefdt ghCee+ +l anguaangsdeo ,rnfa ern iliwairtiht ys tandard floatinngu-rnpboeAir bnsito.t fc alcauplpueisan Cr hsa p3tb,eu rtfu lgalr aosfp thiisso lateidsn oeutss saegtneott ihraeel os ftt hbeo oOkt.h erawliolsft e h,e rnatherntahtwaietcc osv iesbr u iflrtot rnhg er ouunpAd.d vanrceeaddp eorss­ sessait nhgo rough okfln ionwelaerd grneaa ylw giestbhosr kairn pu cohft he firtswtco h apHtoewresv.we err e,c ornrntehanaldtri e adtearakls eo oaktC hap­ te3rb efoprreo ceteotdh ifeni gnc ahla pbteecra use4 a Cshsauparnft eaesmr i liar­ itwyi tthhn eo taatnicdoo nn cedpettudaaiilsl csu isnCs headp3 t.e r Irnporetqaunatta inokdne rsye sualptpse airnti hntege axrtbe o xweidt ah bluoeu tlTihniiesis. n tebnodttehohd i ghtlhirnego hsvtta luianbfolrem aantdio n torn akieet a stiofie nrwd h euns itnhbgeo oaksa r eference. Eacchh apctoenrc lwuidtaesh se o tfe xercainsrndea sno,yft hoesxee rcises asfko ars hoprrtoo ofsf o rnkei nTdh.ee x ercairdseee ssi tgonp erdo vaidddei ­ tioendaulc avtailoaunneawd,lh irnlaen oyft hehrna veea ssyo lutoitohanersre,s al ittleT ote rnistcuhkrgaieete t rt.i ng 'sdtte upcrkai nvrdyeeo aeodsfaens r rn all buitn terrneastthienrngra etvieclatalht aein osnw,te oar lsol ft heex ercairsee s provoindt ehwdee bsciittbeee dl ow. Thibso oikst hfei rvosltu irnnae s ertihecasot v eawr isd rea nogfte o pics relattoge adrne en gidneev eloTphrnoeeffi nctiw.ae lb sfiottrheF e o undaotfi ons GamEngei neD evelospemrecinaebtnse f ouanttd h foel lowaidndgr ess: foundiaotnsofgarn.eceonrng inedev Thiwse bsciotnet ianifonrsm aatbioaoulontlf t hbeo oiknts h see riinecsl,u ding announceerrnrecanottdlasei,, s tainnadgn ss,wt eoer xse rcises. Perface xi Acknowledgements Thfei vrosltu wmaems a dpeo ssbiyabs luec cecsrsofuwld fucnadmipnagai ngdn , thaeu tohwoerasd eobtfg rattiott huhedu en dorfecd osn triwbhusotu oprpso rted thFeo undaotfGi aomnEesn giDneev elospemrebineetfs eo vreeasn i nwgolred wawsr itten. Sgpote oct ihfoaell l otwphieanongpik lnpse a rtifocrsu hloawri ng extsruap pboymr atk icnogn tritbhueatxtic oetnehcsdeo osfatc opoyft hbeo ok. AlexaAnbdrreeu TreGvroere n NorbNeorptp er LuiAsl varado NicoGluaisl lemoNti kolPaatossi ouras KelvAirnc elay MattGiuansn arssGoeno rPgeetsr yk DanAireclh ard AarGount ierrezI aPnr est RobBeerctk ebans TimoHtehlyd na MikRea msey AndrBeewl l AndrHeesm andezD arrReann alli AndrBeearsg meierH auHkiel debranSdtteR eans mussen MarcBoo uterse JamHeusn tsman GuamReordio lphe LanBcuem s MartHiunr ton YuKruin dSec hlesner DanCiaerle y FranJi;aocicsa rd BiSleli tzinger BertCraarnrde MartJiojons ten MichaeSlh aDh. IgnaCcaisotA agnuoa doT onJcuik ic BriSahna rp S0rCehnr istenseTni mKane SeaSnl avik DanCioelll in SoufKihainaet Daniel Smith ViceCnuteel lar HyukKim SouSfoiu aiaia CourDtaomiise n Yo ungKsiimk TiaSgoou sa PauDle meulenaerCeh ristopher AKairnSogpnse lhery FranDi;eoviisc KierLoann ning JusStqiuni rek Jean-FDruabnec oiKsw onL-eiel TiSmt ewart AshrafEassa Jean-BLaeppteissmtReeu nTahro rstensen WolfgEanngge l William Leu JodeelV ahl FreEdnrgikk vist ShaocLhiunn LarVsi klund BranFdoogne rty YushLuiou KenV oskuil Jean-FFrF aonri;toiinsY unlongMa ShaWwanl ker-Salas Nicholas FranBcrioMsoi kl es IaWnh yte MarcFursi tzsch JavMioeyrPa é rez GrahWaimh lidal TayGleorrp heideM ichMayel le s Nicholas GildDeaMaey ung 1 1 Chapter VectaonrdsM atrices Vectaonrmdsa traircbeea ssm iact hembautiilcbdalilon icgntk hsfe i eolfld i near algeTbhresayh. o uwpi nt hdee veloopfgm aemenent g ipnreasc teivcearlylwyh ere anadr ues etdod escarw iibdaeer roafcy o nceptsfr ormsa inmgppiloneigt n ot s projeccotoirvdteir naantsef oTrhmieam tpioornotsfaa. cn qcueia sr tirniognn tgu i­ tifoornv ecmtaotrh emaantmdia csst etrhfuienn dga mental tchaaalrtce u lations involvedb eo cvaenrnsbotetac taeaudg s reen autm boefgr a meen gine tapies inescadpeapbeolnntyd h esskei Wliltsth.h iinsm inwde,b egaittn h eea rliest possiblpeo isantntbad ur itfrliodnmt g h ger ouunpwd i tath h orionutgrho duction thaasts uomnealsnye xisptrionfigc iinte rnicgyo noontm hepeta orrfytt rheea der. 1.V1e ctFourn damentals Traditbiaosnniauclm leyrq,iu caanlta irtiisieingsn e go mepthryysa,in cmdsa ,n y othfieerla dpsp ltiove idr stiumaull faaltli oinnsbt rooc aatdtw eog coarlsilceeasd­ laarnsvd e ctAos resa.i/ asaq ru anstuicathsdy i stmaanscosert,, i mtehc aatbn e fulldye scruisbiaens dgi nngulmee rviaclrauelep resietsnsit zoierin, tgm s a gni­ tudAev .e citasoq ru antthicatatyr ernioeusig nhfo rmattor ieopnra ed siernetction ins pace int oama adgdniitatisduo ednse bc,er bdiyt hfeo lloewxianmgp les. • Thdei fferbeentcwete wepono icnotnst ianifonrsm aatbiobouonttt hhd ei s­ tanbceet wtehepeno iwnhtisic,tsh h mea gniotftu hdveee ctaontrdh, de i rec­ titohnya otwu o unledet dog ot goe frto mo npeo itnott ho et haelroa ns gt raight line. • Thvee loocfaip tyr ojeaactp tairlteii cnusiltgsaair nv tbe ybn o ithts sp e(etdh e magniatnutddh ede)i reicnwt hiioicnith cs u rrternatvleyl ling.

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The first volume of Foundations of Game Engine Development discusses the mathematics needed by engineers who work on games or other types of virtual simulations. The book begins with conventional treatments of topics such as linear algebra, transforms, and geometry. Then, it introduces Grassmann alg
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