文档介绍：AbstractCollisiondetectionproblemhasbeingoneofthemostconcentratingstudiesinvirtualreality,,uratecollisiondetectionissignificantlycrucialtoenhancetheauthenticityofthevirtualenvironmentandtheimmersionofvirtualenvironment;--‘‘Studyinpassengertransportdrivingsimulationsystemfortra衔csafety'’.Firstofall。studiedvariouscollisiondetectionalgorithmswidelyappliedatpresent,andanalyzedtwotypicalalgorithms:spacepartitionmethodandboundingboxmethod,,themainstructureofOpenSceneGraph(osG)andOpenDynamicEngine(ODE)areanalyzedandfocusontheextractionofOSGmodeldatatoconstructthecorrespondingODEgeometrymodelofthecollision,,focusingonthecharacteristicsofmicroscopictraffiCsimulationenvironment,inwhichthree-plexscenes,andcontainingahugenumberofthedynamicobjectsandgeometricfeatures,thisdissertationappliedthescenerenderingmechanismandthecollisiondetectionseparatedmechanism,andrealizedmanagementofscenerenderingbyOSG,asforcollisiondetectionamongscenemodels.“SdissertationconstructedthecorrespondingODECollisiongeometryobjectsinordertoapplycollisiondetectionengineinODEtorealizethecollisiondetectionandsimplere