The Game Object Drag Start Event.
This event is dispatched by an interactive Game Object if a pointer starts to drag it.
Listen to this event from a Game Object using:
Note that the scope of the listener is automatically set to be the Game Object instance itself.
To receive this event, the Game Object must have been set as interactive and enabled for drag. See GameObject.setInteractive for more details.
There are lots of useful drag related properties that are set within the Game Object when dragging occurs.
dragStartY and so on.
The Pointer responsible for triggering this event.
The x coordinate where the Pointer is currently dragging the Game Object, in world space.
The y coordinate where the Pointer is currently dragging the Game Object, in world space.