dx.input.setInputProcessor(new InputAdapter() {

            @Override
            public boolean touchDown(int screenX, int screenY, int pointer, int button) {
                // ignore if its not left mouse button or first touch pointer
                if (button != Input.Buttons.LEFT || pointer > 0) return false;

                camera.unproject(origin.set(screenX, screenY, 0), viewport.getScreenX(), viewport.getScreenY(), viewport.getScreenWidth(), viewport.getScreenHeight());
                originSet = true;
                dragged = true;
                released = false;

                return true;
            }

            @Override
            public boolean touchDragged(int screenX, int screenY, int pointer) {
                if (!dragged || pointer > 0) return false;
                if (originSet) {
                    camera.unproject(drag.set(screenX, screenY, 0), viewport.getScreenX(), viewport.getScreenY(), viewport.getScreenWidth(), viewport.getScreenHeight());
                    movePlayer();
                    originSet = false;
                }
                else {
                    camera.unproject(origin.set(screenX, screenY, 0), viewport.getScreenX(), viewport.getScreenY(), viewport.getScreenWidth(), viewport.getScreenHeight());
                    originSet = true;
                }
                return true;
            }