code: public void setAttenuation(float constant, float linear, float quadratic) {
          setFloat("attenuation_constant", constant);
          setFloat("attenuation_linear", linear);
          setFloat("attenuation_quadratic", quadratic);
      }
docs: Set the three attenuation constants to control how
  light falls off based on distance from the light source.
  {@code 1 / (attenuation_constant + attenuation_linear * D * attenuation_quadratic * D ** 2)}
  @param constant  constant attenuation factor
  @param linear    linear attenuation factor
  @param quadratic quadratic attenuation factor