Skill_family: Tutorial Level 2 Version: 5.0 Parent: sharing-and-releasing-projects/xr-development/supported-xr-platforms/developing-for-oculus/OculusHowTo Order: 2 tags: VR topic-image:sharing-and-releasing-projects/xr-development/supported-xr-platforms/developing-for-oculus/OculusHowTo/GuardianSystem\HTGuardian_System_Topic_Image.png prereq:sharing-and-releasing-projects/xr-development/supported-xr-platforms/developing-for-steamvr/HowTo/StandingCamera prereq:sharing-and-releasing-projects/xr-development/making-interactive-xr-experiences/set-up-motion-controllers prereq:sharing-and-releasing-projects/xr-development/supported-xr-platforms/developing-for-oculus/OculusHowTo/GuardianSystem
Oculus Guardian システムは、VR インタラクション エリアの境界をユーザーに表示します。トラックされたデバイスが境界に近づくと、Oculus Runtime が自動的に視覚的なヒントを出してユーザーに知らせます。この操作ガイドでは、デバイスの 1 つがインタラクション エリアに接近またはエリア外に出たことをユーザーに知らせる視覚的ヒントとインタラクションの表示方法を説明します。
ガーディアン システムを使用するためには Oculus App による設定が必要です。設定方法の詳細は、Oculus ガーディアン システム 設定ページをご覧ください。
UE4 からガーディアン システムを無効にすることは できません。また推奨もしません。ただし、ユーザーの境界への接近に対する UE4 の反応はいろいろ変えることができます。
ステップ
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Oculus Rift Boundary を表示するには、まずユーザーのデバイスが範囲に近づくタイミングを知る必要があります。Is Outer Boundary Displayed ノードで行うことができますが、ティックごとに確認しなければなりません。UE4 で行うこともできます。まず、以下のノードをイベントグラフに追加します。
ノード名 値 Event Tick N/A Branch N/A Is Outer Boundary Displayed N/A Oculus Rift Boundary N/A -
Is Outer Boundary Displayed ノードがユーザーのデバイスが境界に接近した時だけ呼び出され、それ以外は何も起きないように、イベントグラフを以下の画像と同じになるように接続します。
クリックしてフルサイズで表示
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次に、ユーザーが Oculus App で設定した境界だけでなく、これらの境界内にフィットする四角いインタラクション エリアも表示されるようにします。まず Get Play Area Points ノードを使って、プレイ エリア内のすべてのポイントを調べます。そして、四角いインタラクション エリアの大きさを判断するために、For Loop を使って各ポイントを調べます。各ポイントで点を描画し、それらを線でつなげてユーザーにこの情報を表示します。イベントグラフを以下の画像と同じになるように接続します。
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"Target"),PinToolTip="Target\nKismet Array Library Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/Engine.KismetArrayLibrary',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/Engine.Default__KismetArrayLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=01395B804D226B8004689BA1CD742F72,PinName="TargetArray",PinToolTip="Target Array\nArray of Vector s\n\nThe array to get an item from ",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=True,PinType.bIsReference=True,PinType.bIsConst=True,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_175 A0ED07004023EA0AA18F56AE3DE49023,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=True,bAdvancedView=False,) CustomProperties Pin (PinId=7B92B2804499E72162447D8B5307E76C,PinName="Index",PinToolTip="Index\nInteger\n\nThe index in the array to get an item from ",PinType.PinCategory="int",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0",AutogeneratedDefaultValue="0",LinkedTo=(K2Node_CallFunction_555 B21F99C242DC61162987FF99AF34760F,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=807DD0AC440EB715E49E72ABE52ABBB5,PinName="Item",PinToolTip="Item\nVector ",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,AutogeneratedDefaultValue="0",LinkedTo=(K2Node_CallFunction_971 EB02B76B45333DD21AF3A2B5B4F3E367,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) End Object Begin Object Class=K2Node_CallArrayFunction Name="K2Node_CallArrayFunction_16" bIsPureFunc=True FunctionReference=(MemberParent=Class'/Script/Engine.KismetArrayLibrary',MemberName="Array_Get") NodePosX=2096 NodePosY=-352 NodeGuid=57FA58A741291929787D30A674147416 CustomProperties Pin (PinId=8E4FE52F403A37B7A080048D77300710,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nKismet Array Library Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/Engine.KismetArrayLibrary',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/Engine.Default__KismetArrayLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=01395B804D226B8004689BA1CD742F72,PinName="TargetArray",PinToolTip="Target Array\nArray of Vector s\n\nThe array to get an item from ",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=True,PinType.bIsReference=True,PinType.bIsConst=True,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_175 A0ED07004023EA0AA18F56AE3DE49023,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=True,bAdvancedView=False,) CustomProperties Pin (PinId=7B92B2804499E72162447D8B5307E76C,PinName="Index",PinToolTip="Index\nInteger\n\nThe index in the array to get an item from *",PinType.PinCategory="int",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0",AutogeneratedDefaultValue="0",LinkedTo=(K2Node_MacroInstance_15 485524BA49C6E2F23DF0DC9247CD6B93,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=807DD0AC440EB715E49E72ABE52ABBB5,PinName="Item",PinToolTip="Item\nVector ",Direction="EGPD_Output",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,AutogeneratedDefaultValue="0",LinkedTo=(K2Node_CallFunction_970 3949361F44C6842D1E1E52A6D30EBB44,K2Node_CallFunction_971 459C46264271A2417FAABDAED1C20724,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) End Object Begin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_970" FunctionReference=(MemberParent=Class'/Script/Engine.KismetSystemLibrary',MemberName="DrawDebugPoint") NodePosX=2320 NodePosY=-480 NodeGuid=13548C7549C296F678A27F8D67E9C576 EnabledState=DevelopmentOnly CustomProperties Pin (PinId=5C92A48C4EC3E621FB3186B24B7F49C9,PinName="execute",PinToolTip="\nExec",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_MacroInstance_15 585876994C3082C336E4F08AB6707724,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=5CCCAED249A381CA5387F0B65B573277,PinName="then",PinToolTip="\nExec",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_971 2C80F14646574BCD89C88681C0CD95CC,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=597B36884742B881A517BE9B578D5621,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nKismet System Library Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/Engine.KismetSystemLibrary',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/Engine.Default__KismetSystemLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=508C8C4B4E004C569A21219E8F775F02,PinName="WorldContextObject",PinToolTip="World Context Object\nObject Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/CoreUObject.Object',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),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,) CustomProperties Pin (PinId=3949361F44C6842D1E1E52A6D30EBB44,PinName="Position",PinToolTip="Position\nVector ",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=True,PinType.bIsWeakPointer=False,DefaultValue="0, 0, 0",AutogeneratedDefaultValue="0, 0, 0",LinkedTo=(K2Node_CallArrayFunction_16 807DD0AC440EB715E49E72ABE52ABBB5,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=371502C8439CAF413C6B25BA4B87520B,PinName="Size",PinToolTip="Size\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="10",AutogeneratedDefaultValue="0.0",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=B803AC1A40FE7FB0C1911C903B70ED08,PinName="PointColor",PinToolTip="Point Color\nLinear Color Structure",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.LinearColor',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="(R=0.000000,G=1.000000,B=0.085370,A=1.000000)",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=9A97752C4C102DDC57B4E6A567881E77,PinName="Duration",PinToolTip="Duration\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0.000000",AutogeneratedDefaultValue="0.000000",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) End Object Begin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_971" FunctionReference=(MemberParent=Class'/Script/Engine.KismetSystemLibrary',MemberName="DrawDebugLine") NodePosX=2608 NodePosY=-304 NodeGuid=1CCED43144BB32BA3C6332B6C3872B5A EnabledState=DevelopmentOnly CustomProperties Pin (PinId=2C80F14646574BCD89C88681C0CD95CC,PinName="execute",PinToolTip="\nExec",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_970 5CCCAED249A381CA5387F0B65B573277,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=37772E68420821E6D8FE989492B623A9,PinName="then",PinToolTip="\nExec",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),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,) CustomProperties Pin (PinId=AD09356A4D6E12DEB6874EAB7A066595,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nKismet System Library Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/Engine.KismetSystemLibrary',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/Engine.Default__KismetSystemLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=353C68CE4F2B2D72ADDAEBA325715F00,PinName="WorldContextObject",PinToolTip="World Context Object\nObject Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class'/Script/CoreUObject.Object',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),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,) CustomProperties Pin (PinId=459C46264271A2417FAABDAED1C20724,PinName="LineStart",PinToolTip="Line Start\nVector ",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=True,PinType.bIsWeakPointer=False,DefaultValue="0, 0, 0",AutogeneratedDefaultValue="0, 0, 0",LinkedTo=(K2Node_CallArrayFunction_16 807DD0AC440EB715E49E72ABE52ABBB5,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=EB02B76B45333DD21AF3A2B5B4F3E367,PinName="LineEnd",PinToolTip="Line End\nVector ",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Vector',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=True,PinType.bIsWeakPointer=False,DefaultValue="0, 0, 0",AutogeneratedDefaultValue="0, 0, 0",LinkedTo=(K2Node_CallArrayFunction_17 807DD0AC440EB715E49E72ABE52ABBB5,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=F46FC3744B82648A65ABC8BB8C6323BC,PinName="LineColor",PinToolTip="Line Color\nLinear Color Structure",PinType.PinCategory="struct",PinType.PinSubCategory="",PinType.PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.LinearColor',PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="(R=1.000000,G=0.014920,B=0.000000,A=1.000000)",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=C2B19A7E453BE596D4D31EAC0782E5DD,PinName="Duration",PinToolTip="Duration\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="0",AutogeneratedDefaultValue="0.000000",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) CustomProperties Pin (PinId=3C5AC041439E0A0D435858B3A3A854CF,PinName="Thickness",PinToolTip="Thickness\nFloat",PinType.PinCategory="float",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.bIsMap=False,PinType.bIsSet=False,PinType.bIsArray=False,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultValue="1",AutogeneratedDefaultValue="0.000000",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,) End Object Begin Object Class=EdGraphNode_Comment Name="EdGraphNode_Comment_3" NodePosX=608 NodePosY=-560 NodeWidth=2192 NodeHeight=480 NodeComment="Draw the play area" NodeGuid=5D41106C4E1F47307BF07AAC129F72E9 End Object END OBJECT 画像をクリックしてブループリント コードをコピー
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For Loop が Branch ノードの True 出力に接続されていることを確認してください。ブループリントを必ずコンパイルおよび保存してください。こちらが完成したブループリントのイベントグラフです。
クリックしてフルサイズで表示
最終結果
では Oculus Rift HMD を装着してタッチ コントローラーを持って、VR Review でプロジェクトを起動してみましょう。プロジェクトが起動したら、いずれかのタッチ コントローラーをガーディアン境界に向けてゆっくり動かします。以下の動画のように、ガーディアン境界が表示されると、四角いインタラクション エリアも表示されるようになります。
UE4 プロジェクトのダウンロード
以下のリンクから、このサンプルの作成に使われた UE4 プロジェクトをダウンロードすることができます。