PlaymodeGraphEditor (beta version)

This project allow to construct and edit a node graph in a Unity game in playmode (at runtime).

I've added support (in progress) for the EditorWindow system as well.

How to use

Clone the project and export the content as a package.

You can take a look at the examples to see how it works.

You can then customize the USS.

Examples

There are two graph examples:

• A simple example, to interact with the graph
• A more complete example, the calculator example, which show how to:
  • Add nodes, remove nodes
  • Use the nodes (to do the computation of the graph)
  • Make custom color connections
  • Save & load the graph

There is also a EditorWindow example, that you can access via "PlaymodeGraphEditor/Open calculator example"

Requirements

I am using Unity 2021.3.3f1.

Known issues

The canvas is not infinite.

When we are zooming, in or out, the TextFields are not displayed any long, when we zoom out, there is a white area instead of the normal background color of the TextFields, this is a limitation of Unity I believe, since I did not setup this and I could not fix it.

If you create an EditorWindow, make sure that the backgrounds are transparent, for the canvases. Otherwise, you will not see the lines of the graph. I opened a thread in Unity's forum for this.

I've encounter some issues while exporting the package, sometimes, Unity does not include necessary ASM definitions.

In an EditorWindow, the drag & drop of the line is a little bugged, it will show the line only after a few seconds, the updates are also only done once every few seconds. I am working at fixing these issue.

Release Notes

0.0.2

• Added support for EditorWindow.

0.0.1

• Initial release of the library.

Credits

I am using the draw connections method of Node_Editor_Framework.

The pointer I am using, to display the forbidden area is created by Freepik - Flaticon and can be found here.