Documentation

Learn how to use NodeCanvas

  1. Getting Started
    1. Framework Concepts
    2. The GraphOwner Component
    3. The "Self" Parameter
    4. BBParameters
    5. Visual Debugging
  2. The Editor
    1. Controls & Shortcuts
    2. Assigning Tasks
    3. Canvas Groups
  3. The Blackboard
    1. Data Binding Variables
    2. Blackboard Parenting
    3. Global Variables
    4. Dynamic Variables
    5. Network Sync
    6. Save & Load
  4. Tasks (Actions & Conditions)
    1. Tasks Included
    2. The Reflection Tasks
    3. Using Task Lists
    4. Creating Custom Tasks
    5. Using Task Attributes
    6. Using BBParameters in Tasks
    7. Creating Generic Tasks
    8. Using FixedUpdate and OnGUI
  5. Behaviour Trees
    1. BT Nodes Reference
    2. Reactive Evaluation
    3. Creating Custom BT Nodes
  6. State Machines (FSM)
    1. FSM Nodes Reference
    2. FSM Callbacks
    3. Creating Custom FSM Nodes
  7. Dialogue Trees
    1. Dialogue Tree Nodes Reference
  8. Mapping Sub Graph Variables
  9. Using Graph Events
  10. Using Signal Events
  11. Working with Custom Types
  12. Working with AOT Platforms
  13. Using the Graph Console
  14. Using the Graph Refactor
  15. Using the Graph Explorer
  16. JSON Import/Export
  17. Scripting
    1. Interfacing with your code
    2. GraphOwner API
    3. Blackboard API
    4. Runtime Instantiation Tips
    5. Creating a Behaviour in Code
    6. Creating Custom Object Drawers
    7. Appending Custom AutoConverters
  18. FlowCanvas Integration
    1. Behaviour Tree -> FlowScript
    2. FSM -> FlowScript
    3. Dialogue Tree -> FlowScript
    4. FlowCanvas -> NodeCanvas
    5. Using Tasks in FlowScripts
  19. Full API

Controls & Shortcuts

Here are the node/canvas controls and shortcuts:

  • Right Click on the canvas to add a new node.
  • Click & Drag to pan the node.
  • Middle Click & Drag to pan the canvas.
  • ALT + Click & Drag to pan the canvas. This is useful in laptops without a middle mouse click!
  • Shift + Click & Drag a node to pan it and all of its children together; panning a branch.
  • Click & Drag from a port over a target node to connect. Right click a connected port to disconnect.
  • Click & Drag from a port into empty canvas space, will show context menu to automaticaly create and connect a new node.
  • Click a connected port or connection itself to select the connection.
  • Delete the selected node or connection with Delete Key, or through the right click context menu.
  • Control + D to duplicate a node, or through the right click context menu.
  • Double Clicking a node will open its script in the IDE, unless it’s a subgraph node in which case the subgraph will open.
  • Relink a connection by click and dragging it over a new node. Hold Shift to relink source instead of target.
  • Hit “F” will focus the canvas to the center of all your nodes within it.
  • Mouse Scroll Wheel will Zoom In/Out the canvas.
  • Left Click and Drag in the canvas, will allow you to create a selection rectangle.
  • Holding Control while making a rectangle selection and upon releasing the mouse button, will create a Canvas Group.

On right click on a node or connection link, a context menu will show up. Depending on the node or connection type there might be different extra options. Following are the common operations:

  • Delete: Deletes the Node or Connection. (available in multiselection as well).
  • Copy Node: Copies the Node possible to Paste later. (available in multiselection as well)
  • Copy Assigned Task: Will copy the task that has been assigned to the Node or Connection.
  • Paste Assigned Task: Will paste the currently copied Task to the Node or Connection and assign it.

Copy-pasting of Nodes and Tasks can be done even across different graphs.

  • To Copy an individual Task, Right Click on the Task in question and select “Copy Task”.
  • To Paste a previously copied Task, hit the “Assign Task” button in the Node inspector where tasks can be assigned and select “Paste Task” option in the pop-up menu.
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