1. Epic GamesDeveloper
  3. 为Oculus Rift设置坐立式摄像机

为Oculus Rift设置坐立式摄像机

设置虚幻引擎摄像机，打造坐立式Oculus Rift体验。

为Oculus Rift设置坐立式摄像机

开始用UE4开发Oculus Rift上的VR项目时，首先需要考虑的一点便是确定该体验为坐立式或站立式。以下指南将讲述如何设置坐立式Oculus Rift体验的UE4项目VR相机。

步骤

以下内容将讲述如何进行坐立式Oculus Rift体验的Pawn设置。

  1. 首先打开或新建一个Pawn蓝图，然后前往 视口 标签的 组件 部分。在此处用以下命名添加以下两个组件，并将VRCamera设为VRCameraRoot的子项：

    组件命名 值
    场景 VRCameraRoot
    相机 VRCamera

    点击查看全图。

    When

    无论您使用的是何种VR头戴显示器，Epic都推荐以此方式设置VR相机。因为它能在不实际移动相机的情况下实现相机位置的偏移。

  2. 在Pawn蓝图中前往 事件图表（Event Graph），从 Event Begin Play 节点连出引线，显示"可执行操作（Executable Actions）"列表。在列表中搜索 Set Tracking Origin 节点，点击并将其添加到事件图表。

    点击查看全图。

  3. Set Tracking Origin节点拥有两个选项：地面平面（Floor Level） 和 视线平面（Eye Level）。针对坐立式体验，需要将Set Tracking Origin节点的 原点 设为 视线平面。

    点击查看全图。

  4. 接下来在 我的蓝图（My Blueprint） 标签下的 变量（Variables） 部分中新建一个名为 RiftCameraHeight 的 矢量 变量，并将 Z 轴值设为 121。

    对坐立式体验而言，需要将相机的高度设为真实世界中用户的坐立高度（以厘米为单位）。

  5. 然后从Set Tracking Origin节点的输出连出引线，搜索 Set Relative Location 节点，选择 SetRelativeLocation(VRCameraRoot) 选项。

    点击查看全图。

  6. 将 RiftCameraHeight 变量连接到Set Relative Location节点上的 New Location 输入，然后按下"编译"按钮。操作完成后，事件图表与下图类似。

    BEGIN OBJECT Begin Object Class=/Script/BlueprintGraph.K2Node_Event Name="K2Node_Event_0" EventReference=(MemberParent=Class'/Script/Engine.Actor',MemberName="ReceiveBeginPlay") bOverrideFunction=True NodePosX=-272 NodePosY=-16 bCommentBubblePinned=True NodeGuid=0A1ED21A4BC4FFF952C8B1BD85346A9C CustomProperties Pin (PinId=0862FFB34FDE75E7C2ED91B15CD1119E,PinName="OutputDelegate",Direction="EGPD_Output",PinType.PinCategory="delegate",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(MemberParent=Class'/Script/Engine.Actor',MemberName="ReceiveBeginPlay"),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=CE164667454B3EB8FFA464B7925FD171,PinName="then",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_0 9B118DD74D13E1A2489FEFBC87651604,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) End Object Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_0" FunctionReference=(MemberParent=Class'/Script/HeadMountedDisplay.HeadMountedDisplayFunctionLibrary',MemberName="SetTrackingOrigin") NodePosX=64 NodePosY=-16 NodeGuid=48B45C91438E818692990A8ACF803845 CustomProperties Pin (PinId=9B118DD74D13E1A2489FEFBC87651604,PinName="execute",PinToolTip="\nExec",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_Event_0 CE164667454B3EB8FFA464B7925FD171,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=DB86848D4CD2762032F965A34161FE78,PinName="then",PinToolTip="\nExec",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_9 DE9FB716426D0575C24DBD90B0B7F9B0,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=CF7045694A0AC748019DB7B16FD84A1F,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\n头戴显示器函数库对象引用",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/HeadMountedDisplay.HeadMountedDisplayFunctionLibrary',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/HeadMountedDisplay.Default__HeadMountedDisplayFunctionLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=6E59CEE64B1A4E275A73499235912077,PinName="Origin",PinToolTip="Origin\nEHMDTrackingOrigin Enum",PinType.PinCategory="byte",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Enum'/Script/HeadMountedDisplay.EHMDTrackingOrigin',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="Eye",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) End Object Begin Object Class=/Script/UnrealEd.EdGraphNode_Comment Name="EdGraphNode_Comment_1" NodePosX=-54 NodePosY=-81 NodeWidth=544 NodeHeight=240 NodeComment="追踪原点应设为视线平面" NodeGuid=9B24193F4ED6C3FBF64C68B01AAFA782 End Object Begin Object Class=/Script/BlueprintGraph.K2Node_VariableGet Name="K2Node_VariableGet_0" VariableReference=(MemberName="VRCameraRoot",bSelfContext=True) NodePosX=624 NodePosY=35 NodeGuid=70636A4A41C97ED0AB31D6B2E8E7AE84 CustomProperties Pin (PinId=D3E17C4549E0A126BF8A2D97653C64D5,PinName="VRCameraRoot",Direction="EGPD_Output",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/Engine.SceneComponent',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_9 560BA9474CC7FF8D01863CB899932E82,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=2C82232F4B776E78BDFA17A5BE5C88D7,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=BlueprintGeneratedClass'/Game/Rift_Pawn_Sitting/Rift_Pawn_Sitting.Rift_Pawn_Sitting_C',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) End Object Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_9" FunctionReference=(MemberParent=Class'/Script/Engine.SceneComponent',MemberName="K2_SetRelativeLocation") NodePosX=800 NodePosY=-31 NodeGuid=4EF05AB24E0197A031C39A8A8B2B8B3A CustomProperties Pin (PinId=DE9FB716426D0575C24DBD90B0B7F9B0,PinName="execute",PinToolTip="\nExec",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_0 DB86848D4CD2762032F965A34161FE78,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=E5FB25D74A81ACC9C7E06593A4BC6E98,PinName="then",PinToolTip="\nExec",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=560BA9474CC7FF8D01863CB899932E82,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="目标\n场景组件对象引用",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/Engine.SceneComponent',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_VariableGet_0 D3E17C4549E0A126BF8A2D97653C64D5,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=4751BC714842E8CEC1B7A294186125C2,PinName="NewLocation",PinToolTip="新位置\n矢量\n\n组件相对于其父项的新位置。",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0, 0, 0",AutogeneratedDefaultValue="0, 0, 0",LinkedTo=(K2Node_VariableGet_47 78E971AE41B9BC4AA335A6BCC9E5AE69,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=42E17DA8407F1D6AE61E5AB8CE56D509,PinName="bSweep",PinToolTip="扫描\n布尔\n\n是否扫描到目标位置，沿途触发重叠，如发生碰撞则停止。只会对根组件扫描和检查阻挡碰撞，子组件移动时不带扫描。碰撞关闭后便无效果。",PinType.PinCategory="bool",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="false",AutogeneratedDefaultValue="false",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=C758BE724ED2C35AF55937B09A2B53F4,PinName="SweepHitResult",PinToolTip="扫描命中结果\n命中结果结构\n\n扫描为true时来自任意影响的命中结果。",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/Engine.HitResult',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=C8D4DFF74546FCDE47077A8F575C2D36,PinName="bTeleport",PinToolTip="瞬移\n布尔\n\n是否瞬移物理状态（如已为此对象启用物理碰撞）。如为true，此对象的物理速度则不会发生改变（因此布偶部件不会受位置变化影响）。如为false，则基于位置变化更新物理速度（影响布偶部件）。如CCD开启且未瞬移，这将影响沿整个扫描体积的对象。",PinType.PinCategory="bool",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="false",AutogeneratedDefaultValue="false",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) End Object Begin Object Class=/Script/BlueprintGraph.K2Node_VariableGet Name="K2Node_VariableGet_47" VariableReference=(MemberName="RiftCameraHeight",MemberGuid=DB0F658D4BD2CC99041C3ABB8058E5EF,bSelfContext=True) NodePosX=576 NodePosY=272 NodeGuid=3B3F090A44BA690E035446B6EEB8BE25 CustomProperties Pin (PinId=78E971AE41B9BC4AA335A6BCC9E5AE69,PinName="RiftCameraHeight",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0, 0, 0",AutogeneratedDefaultValue="0, 0, 0",LinkedTo=(K2Node_CallFunction_9 4751BC714842E8CEC1B7A294186125C2,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=4C94FD9248478C9DD5EA5393075A2807,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=BlueprintGeneratedClass'/Game/Rift_Pawn_Sitting/Rift_Pawn_Sitting.Rift_Pawn_Sitting_C',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) End Object Begin Object Class=/Script/UnrealEd.EdGraphNode_Comment Name="EdGraphNode_Comment_2" CommentDepth=-2 NodePosX=512 NodePosY=-80 NodeWidth=592 NodeHeight=448 NodeComment="偏移VRCameraRoot来移动Rift相机" NodeGuid=E3607E9749F360D6955336BC8E0E7F3A End Object Begin Object Class=/Script/UnrealEd.EdGraphNode_Comment Name="EdGraphNode_Comment_3" NodePosX=528 NodePosY=192 NodeWidth=512 NodeHeight=160 NodeComment="将此项设为使用者的站立高度。" NodeGuid=FB8FE99D4F6E5E1DDE16B1BC685412F1 End Object END OBJECT

    点击上图左上角并按下CRTL + C即可复制完成的蓝图。复制后前往蓝图事件按下CTRL + V进行粘贴。

  7. 将Pawn蓝图从内容浏览器拖入关卡，将其放置在关卡中0,0,0处。

    点击查看全图。

  8. 选中放置在关卡中的Pawn蓝图，然后在 Pawn 设置下的 细节 面板中将 自动拥有玩家（Auto Possess Player） 从 禁用（Disabled） 改为 Player 0。

    点击查看全图。

最终结果

最后前往 主工具栏 将 播放模式（Play Mode） 改为 VR预览（VR Preview），然后按下 播放 按钮。您戴上Oculus Rift头戴显示器坐下观察关卡时，将看到与以下视频相似的内容。

UE4项目下载

可使用以下链接下载用于创建此例的UE4项目。

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page