how to drag and drop actors on libgdx scene2d?

Question

I\'m developing a game using libGDX and I would like to know how I can drag and drop an Actor. I\'ve made my stage and drawn the actor, but I don\'t know how to trigger that eve

Answer 1

In your main gamescreen class add a multiplexer so you can access events from different classes:

private InputMultiplexer inputMultiplexer = new InputMultiplexer(this); 

After the gamescreen constructor add as an example:

inputMultiplexer = new InputMultiplexer(this);      
inputMultiplexer.addProcessor(1, renderer3d.controller3d);  
inputMultiplexer.addProcessor(2, renderer.controller2d);
inputMultiplexer.addProcessor(3, renderer3d.stage);
Gdx.input.setInputProcessor(inputMultiplexer);

In your class that is using the actors use a DragListener as and example:

Actor.addListener((new DragListener() {
    public void touchDragged (InputEvent event, float x, float y, int pointer) {
            // example code below for origin and position
            Actor.setOrigin(Gdx.input.getX(), Gdx.input.getY());
            Actor.setPosition(x, y);
            System.out.println("touchdragged" + x + ", " + y);

        }

    }));