Floodlights are used to irradiate objects uniformly in all directions from a specific point of view. It is best to use them to analogy light bulbs and candles. Omni lights can be placed anywhere in the scene. For example, it can be placed outside the camera range, or inside the object. It is common to use a lot of different color floodlights at a long distance in a scene. These floodlights can cast shadows and mix them on the model. Due to the large range of floodlights, the effect of floodlights is very easy to predict, and this kind of light has many auxiliary uses. For example, placing floodlights near the surface of an object will produce bright light on the surface of the object.
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