将原在ItemBase的按键判断移至CameraInteract类中

Assets/Scenes/SampleScene.unity

@@ -620,6 +620,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   rb: {fileID: 944706251}
   animator: {fileID: 0}
+  maxVelocity: 6
 --- !u!54 &944706251
 Rigidbody:
   m_ObjectHideFlags: 0
@@ -645,7 +646,7 @@ Rigidbody:
   m_UseGravity: 1
   m_IsKinematic: 0
   m_Interpolate: 0
-  m_Constraints: 80
+  m_Constraints: 112
   m_CollisionDetection: 1
 --- !u!1 &963194225
 GameObject:
@@ -878,6 +879,7 @@ RectTransform:
   m_ConstrainProportionsScale: 0
   m_Children:
   - {fileID: 1644802856}
+  - {fileID: 1157830469}
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
@@ -885,6 +887,56 @@ RectTransform:
   m_AnchoredPosition: {x: 0, y: 0}
   m_SizeDelta: {x: 0, y: 0}
   m_Pivot: {x: 0, y: 0}
+--- !u!1 &1157830468
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 1157830469}
+  - component: {fileID: 1157830470}
+  m_Layer: 5
+  m_Name: Dialog
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &1157830469
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1157830468}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 1107264578}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 100, y: 100}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!114 &1157830470
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1157830468}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 166525e51f1d41a2addfb1df626096fc, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  dialogsPath: 
+  dialogJson: 
 --- !u!1 &1306517519
 GameObject:
   m_ObjectHideFlags: 0