《Unity虚拟现实技术及其应用》 课件 2 unity-interface

GameenginesOpensource….Delta3D,Panda3DWithoutpowerfulvisualEditor,orleveleditor…RelyonintensiveC++orPythoncoding…WhatisUnity3DUnityisAgameengineandecosystemSupportsmoreplatformsthananyotherpublicallyavailabletoolUsedbyhobbyists&students,uptomajorstudiosUnityisnotA2Dimageorvectorgraphiccreationtool(photoshop,gimp)A3Dmodellingenvironment*ItdoeshaveabuiltinterrainsystemAlsosupportsthirdpartypluginsthatenablesome3Dmodelling(ProBuilder)Features/CapabilitiesAAAGameQuality(Triple–A,高成本、高体量、高质量)--AAA+Editorforscene(level)assembly&in-editorgameplayPhysicsProgrammingwithC#,JavaScript,Boo2D&3DSupportAudioParticleEffectsAnimationSystemsAssetStoreNeareverythingyouneedforagameInstallationUnity3Disacommercialgameengine.Thereisastudentversionavailable.Refertoonlinetutorialsfortheinstallation.StartUnity3DHowtocreateanewproject?Unity’sArchitectureMajorComponentsEditorMonoDevelopGameEngineEditorCanplaytestgame(playmode)CanextendeasilyProjectStructure(seethefolds)AssetsAlwaystoplevelfoldershowninUnityEditorEveryfileyoubringintoyourproject,prefabs,art,audio,andmore.LibraryLocalcacheforimportedassets&metadataforassets.ProjectSettingsStoressettingsfromEdit->ProjectSettingsTemp/ObjUsedfortemporaryfilesduringthebuildprocessfromMonoandUnitySceneGameSceneEditorSceneViewGameViewHierarchyView(层级视图)Inspector(检视视图)Projectpanel(项目视图)consoleSceneViewvisuallybuildyourgamefromtheenvironmentonuptopositioninggameobjects.Drag&Drop工具栏TransformToolsQ:手型工具，左键平移场景ALT+左键旋转场景

ALT+右键缩放场景W:移动工具E:旋转工具R:缩放工具选中场景中的物体时…..GameViewcontrolbarofGameViewStats:activatesadisplayofperformancestatisticsFreeAspect:thescreenproportions….HierarchyViewFindaobjectinasceneTypethenameofobjectin“searchfield”ofHierarchyViewClickthenameintheHierarchylistplaceyourmousecursorovertheSceneviewandpresstheFkeyorjustdoubleclickthename,topushtheobjectforwardtoyourfront.InspectorSelectanobjectTherightpanelistheInspectorcorrespondingtothisobjectTheInspectorisusedtoeditthepropertiesofthisobject.Seethescreensnapshotasthefollowingpage:ProjectPanelProjectPanelstoreAlloftheassetsthatmakeupyourgame.Consoledisplaysoutputfromyourgameduringthedevelopmentprocesssuchasmessages,warnings,anderrors.菜单栏File:项目的Buildsettings其他菜单栏，逐步介绍….GameandcomponentsGameobjectPleasenote:gameobjectsarebuiltupasacollectionofcomponents,andthatcollectioncanincludecodestoexecute.Addagameobject:rightclick“Untitled”-

ContentsofaninspectorThefirstcheckbox,activeornot,….RenameagameobjectTagsareusedtoidentifygroupsofgameobjects,suchasplayersorenemies.Layersarealsousedtogroupobjects,butforotherpurposessuchasraycasting,lighting,andrendering.TheStaticcheckboxshouldbecheckedforenvironmentobjectsthatwillnotbemovingaroundinthescene.componentsThetruepoweroftheUnitygameengineisinitscomponents,whichcontrolthelook,behavior,andinteractionofthegameobjects.Pleasecheckthebuilt-incomponents,inthemainmenu,orclickthe“addcomponent”intheInspectorpanel.3DCoordinatesXispointedtoright,YtoupZdependsonLeft-handandright-handsystemsCreateanemptyobjectAddcomponent(script)toaGameObject:Twoways

CreateaGameObjectIntheInspectoroftheGameObject,clickthe“AddComponent”-newscript-inputname--create&addAnotherwayIntheprojectUsethe“create”menuChoose“C#Script”Intheassets,anewfilewithC#language,giveaspecificnameforthisfileDragthisfileontoaGameObjectinthe“hierarchyViewpanel”.visualinformationinagameArtassets(要素、内容、或资产)inUnityTypesofartassetsImageModel,meshobjectMaterial:definesthesurfacepropertiesofany3Dobjectthatthematerialisattachedto.Animation:definesmovementoftheassociatedobject.Particlesystem:createandcontrollargenumberofmovingobjects.

Importmodels右键点击Assets，出现importnewasset按钮WritecodesandrunAdd“Debug.log(“helloworld”);”intheupdatefunction.Savethescript.BacktotheGameView,andclickthe“play”.Youwillseetheoutputintheconsole.Trytoaddthescriptcodeonceagaintothegameobject,andobservetheresult.Howtoremovescriptfora