Embodiments herein describe a throwing apparatus that includes a projectile that slides on a rail. In one example, as the user makes a throwing action, the projectile slides along the rail and locks into place at an end of the rail. In response, the throwing apparatus launches a virtual object representing the projectile along a virtual path extending away from the throwing apparatus. The apparatus may include an emitter that transmits a signal indicative of the signal path of the virtual object. An external device receiving the signal can determine whether the device is on the path and whether it is struck by the virtual object. The apparatus may also include a speaker that outputs a sound simulating the projectile flying through free space. The speaker may change the volume of the sound depending on whether the virtual object is moving away or towards the throwing apparatus.