3d游戏编程：编码规范

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1、CodingStandardsYanciZhangGameProgrammingIIExtremeProgrammingCodemustbewrittentoagreedstandardCodemustbeformattedtoagreedcodingstandards.Codingstandardskeepthecodeconsistentandeasyfortheentireteamtoreadandrefactor.Codethatlooksthesameencouragescollectiveownership.Commonmis

2、taketoavoidCodingstandardisunnecessarybecauseIamworkingaloneGameProgrammingIIGoodPointsProgrammerscangointoanycodeandfigureoutwhat'sgoingonPeoplenewtoC++aresparedtheneedtodevelopapersonalstyleanddefendittothedeathPeoplenewtoC++aresparedmakingthesamemistakesoverandoveraga

3、inPeoplemakefewermistakesinconsistentenvironmentsGameProgrammingIIBadPointsStandardisusuallystupidIt’smadebysomeoneelseIt'snotwhatIdoStandardsreducecreativityStandardsareunnecessaryaslongaspeopleareconsistentThenew/borrowedcodewon'tfollowthestandardGameProgrammingIINa

4、mingRulesAnameInformingwhatsortofthingthenamedentityisResultoflongdeepthoughtprocessabouttheecologyitlivesinConsistencyismoreimportantthanindividualpreferencesrulesthemselvesTherulesaretherules!GameProgrammingIIFunctionOnefunctionshouldonlyimplementonetaskRefactoryo

5、urfunctionifitislongerthan100linesFunctionnameshouldStartwithasmallletterHaveacapitalletterforeachnewwordNounderscoresPreciselydescribetheworkdoneinthefunctionvoidinit();voidinitComponent();GameProgrammingIIClassThefunctionofclassshouldbesimpleRefactoryourclassifitisl

6、ongerthan500linesClassnameshouldStartwithacapitalletter“C”HaveacapitalletterforeachnewwordNounderscoresclassCRenderer;classCRenderComponent;GameProgrammingIIVariableTypePrefixExamplesstaticvariables_s_Counterglobalvariableg_g_Counterclassmembervariablem_m_IsDirtypointerp

7、pBufferFunctionparametervariablevvBufferGameProgrammingIIConstant1/2Avoidusingnumbersdirectlyinsourcecode(magicnumber)DisadvantagesofmagicnumberIncreaseopportunitiesforsubtleerrorsMakeprogramdifficulttobeextendedinthefuturefloatr=10.0;floatarea=3.14*r*r//badstyleconstflo

8、atPI=3.14;floatr=10.0;floatarea=PI*r*r//goodstyleGameProgrammingIIConstant2