Top Node

The Fusion node diagram configured in the Fusion panel always starts atwith the top node. AThe Top Node isserves theas root node in the Fusion Diagram.diagram and is fixed, meaning it cannot be deleted from the Fusion Editor.

The topTop nodeNode iscorresponds to the node selected in the scene treetree. andIf Fusion is thelaunched rootfrom node ofwithin the FusionState diagram.Machine Editor, it represents the State Machine Element (such as a State or Transition) that was selected when starting Fusion.

Top Node Connector

The Top Node has a single connector on its right side, which is fixedused to create and cannotconnect be deleted (from theother Fusion Editor)Nodes.

For details on connecting Fusion Nodes, see Basic Operations.

Selecting a Top Node

The following types of nodes that can be usedserve as topthe nodesTop areNode asin follows.a Fusion diagram:

• Predefined CGI Control templatesTemplates
  
• Custom userUser controlControls /and Instantiated control(thiscontrols onewith can have it’s own propertiesuser defined by user)
  properties
• Behavior buildingBuilding blockBlock templateTemplates  
  
• State machineMachine elementsElements (States/Transitionse.g. etc)States, Transitions)
  
• Any of 2D/3D sceneScene nodesNodes
• Behavior groupGroups

To select a Top Node,Node:

click

a node (inIn the Scene Tree)Tree, andclick the "desired node. The adjacent Extra Scene Tree"Tree beside it shows a link called "Fusion..."  for that particular node. Whenlists the "Fusion...Behaviors "and linkEffects is clicked,of the Fusionnode Editor is displayed with the current nodeselected in the Scene Tree along with a [Fusion...] button. Click the [Fusion...] button to open the Fusion Editor. The Fusion Editor will display the selected node as the Top Node in the Fusion Diagram.diagram.

If the Fusion Editor is already currently visible,open, selecting any node in the Scene Tree will automatically showupdate the Fusion DiagramEditor ofto thatdisplay the Fusion diagram for the corresponding node.

The selectionchoice of a Top Node depends on eachthe specific use case. For example,example:

the

Top NodeIt can be a button in the Scene Tree from which you want to detect click eventsevents. from. Or itIt could be a scene node in the scene whose property value you wantneed to check, in ordermonitor to performtrigger somean action.

Essentially, the Top Node is the nodeelement whichthat isacts as the source or recipient of events or values to be processed.

Fusion Node Categories

The Topfollowing Nodetype onlyof has a connector at the right side, from which all other fusion nodes can stem from. See Basic Operations on how to connect Fusion nodes.

Behaviors as Fusion nodes thatbehaviors can be connected connected to the top node arein divided into the following categories. Fusion:

• Action Fusion Node
• Condition Fusion Node
• Behavior Fusion Node
• Behavior Group Fusion Node (BehaviorBuildingBlock)

In addition to these, reference Fusion nodes thatwithin canAction, beCondition, connected other than those listed above include the referenceBehavior Fusion node incan thealso Action/Condition/Behaviorbe Fusion node.connected.

The color of each Fusion node category (- including the topTop node)Node Fusion- nodeas ondisplayed in the Fusion panelEditor can be setcustomized in the Preferences.