/// <summary>
 /// Suitable for short and snappy shakes in 2D. Moves camera in X and Y axes and rotates it in Z axis.
 /// </summary>
 /// <param name="positionStrength">Strength of motion in X and Y axes.</param>
 /// <param name="rotationStrength">Strength of rotation in Z axis.</param>
 /// <param name="freq">Frequency of shaking.</param>
 /// <param name="numBounces">Number of vibrations before stop.</param>
 public void ShortShake2D(
     float positionStrength = 0.08f,
     float rotationStrength = 0.1f,
     float freq             = 25,
     int numBounces         = 5)
 {
     BounceShake.Params pars = new BounceShake.Params
     {
         positionStrength = positionStrength,
         rotationStrength = rotationStrength,
         freq             = freq,
         numBounces       = numBounces
     };
     shaker.RegisterShake(new BounceShake(pars));
 }
 /// <summary>
 /// Adds a shake to the list of active shakes.
 /// </summary>
 public static void Shake(ICameraShake shake)
 {
     if (IsInstanceNull())
     {
         return;
     }
     Instance.RegisterShake(shake);
 }