Omnidirectional light, such as a light bulb or a candle. An Omnidirectional light is a type of [Light] that emits light in all directions. The light is attenuated by distance and this attenuation can be configured by changing its energy, radius, and attenuation parameters. http://docs.godotengine.org/en/3.0/tutorials/3d/lights_and_shadows.html The light's attenuation (drop-off) curve. A number of presets are available in the Inspector. Maximum distance the light affects. See [enum ShadowDetail]. See [enum ShadowMode].