Simple, extensible, composition-based Drag and Drop plugin.

Features

• Draggable - A node that can be attached to any Area2D to make it draggable.
• DropZone - A node that can be attached to any Area2D to make it a drop target.
• DropUtils - Utility functions to assist with behavior and action implementations.
• DropBehavior - Extensible resource to define what happens when a Draggable is dropped onto a DropZone.
• DropAction - Extensible resource to define how the DropBehavior is executed.